Motor and Power Control Solutions
Contents
Feedback and Sensing................. 2
Isolation........................................ 5
Processing Solutions.................... 6
Communication and System
Integration.................................... 7
Power and Support Functions........ 8
Demo and Reference Designs...... 11
Resources and Tools.................. 12
Analog Devices’ industry-leading converter, amplifier, and processor technologies enable
our motor control and inverter customers to design products with greater precision, energy
efficiency, and communications capabilities. Additionally, the breadth of ADI’s analog and
processor portfolio supports the core signal chain, enabling faster time to market, greater
energy efficiency, increased factory automation integration, and lower maintenance costs.
ADI’s transceivers and Blackfin® processors provide the communications technology to
enable increased levels of factory automation. ADI’s MEMS technology supports vibration
detection and positioning control, allowing predictive maintenance and better accuracy to
lower operating costs.
ADI’s power management portfolio supports all these functions to increase energy
efficiency and control.
motorcontrol.analog.com
Feedback and Sensing
Optimizing Speed/Resolution vs. Load Position Using ADI’s RDCs
Many motor control systems operate at variable shaft rotation speeds. To provide the
most accurate position information, a system with flexible resolution is required.
The resolver-to-digital converter that provides resolution change on-the-fly is the
AD2S1210. This converter delivers an integrated solution including an excitation
oscillator with programmable frequency, programmable threshold levels, very wide
analog input range, and information indicating the exact nature of detected faults.
The AD2S1210 provides a high level of functionality required to interface to
resolvers with a reduced number of external components.
AD2S1210 Features
• Variable resolution, 10-bit to 16-bit
• 2.5 arcminutes of accuracy (16-bit resolution)
• 3125 rps maximum tracking rate (10-bit resolution)
• Programmable fault detection thresholds
• Programmable excitation frequency
Integrated RDC/Oscillator Solution
Part Number
AD2S1200
AD2S1205
Description
12-bit tracking RDC, 11 arcmin, 1000 rps
12-bit tracking RDC, 11 arcmin, 1250 rps
Fine Position Sensing Using ADI’s Simultaneous Sampling ADCs
Motor control servo drivers are used in a multitude of applications like precision robotics,
CNC (computer numerical controlled) machining, and factory automation to name but
a few. These systems incorporate shaft position feedback for precise position sensing
to ensure the system’s accurate operation. This feedback is provided by a variety of
encoders with different output characteristics.
The AD7262/AD7264 with integrated PGA and dual simultaneous sampling differential
input ADCs interface directly to various encoders enabling a single device to be utilized
across an assortment of designs. This device minimizes hardware changes and
maximizes software reuse across position feedback platforms — ultimately reducing
development design cycles.
The AD7262/AD7264 incorporate four comparators for interfacing with pole sensors
and also include internal ADC offset, system offset, and gain calibration to ensure the
accuracy of the final ADC result. This single chip solution incorporates all the functionality
required to successfully interface to a position sensor in a single package, reducing BOM
costs and PCB board complexity while providing best-in-class performance.
Features
• 14 bit, 1 MSPS, dual, simultaneous sampling ADC
• Programmable gain amplifier with 14 different gain stages
• High analog input impedance eliminates ADC drive circuitry requirements
• 4 on-chip comparators
Dual Simultaneous Sampling SAR ADC
Part Number
AD7265
AD7266
Description
Dual, 1 MSPS, 12-bit, 3-channel differential/6-channel single-ended
Dual, 2 MSPS, 12-bit, 3-channel differential/6-channel single-ended
2 | Motor and Power Control Solutions
ADI’s MEMS Sensor Technology Provides High Precision and Bandwidth
in Vibration Sensing for Predictive Maintenance
Ensuring manufacturing equipment is operational 24/7 for maximum efficiency and
throughput requires effective monitoring of motor/turbine performance to minimize
downtime for repair.
ADI’s ADIS16220 and ADIS16223 i Sensor® digital vibration sensors and the ADXL001
MEMS accelerometer provide the industry’s widest bandwidth to allow for precision
monitoring of a motor’s natural frequency for earliest detection of maintenance issues.
The small profile of the MEMS sensors and embedded features, such as programmable
capture buffers of the ADIS16220, allows mounting closer to the vibration source and
more accurate data collection.
Features
• High performance single axis analog accelerometer
• ±
70 g, i Sensor wideband ranges available (additional ±250 g and ±500 g ranges
with the ADXL001)
• 22 kHz resonant frequency structure
• High linearity (0.2% of full scale)
• Low noise (4 mg/Hz)
Precision Current Sensing for Torque Measurement in DC Motors
DC motors perform a variety of critical functions, from enabling electric power steering
in vehicles to helping people sleep better at night by facilitating air flow in sleep apnea
machines. Motor current sensing is a key function in determining torque and providing
closed-loop control. ADI current sense amplifiers, like the AD8207, monitor motor phase
current in the presence of PWM signals, allowing for a simple, all inclusive current
sensing solution.
The fast switching PWM signals make it very difficult for discrete component systems
to accurately measure the motor current in the shunt resistor. By providing a large input
voltage range, excellent ac common-mode rejection, best-in-class maximum offset drift
of less than 1 μV/°C, bidirectional operation, and high voltage transient protection, the
AD8207 allows for precise instantaneous current measurement. By monitoring current
directly on the motor phase, diagnostics information such as short to ground is readily
available, leading to a more robust motor control solution.
Features
• Offset drift typically < 500 nV/°C
• Ability to reject input PWM common-mode voltages from –4 V to +65 V
• −25 V to +75 V input survival
• 80 dB CMRR from dc to 100 kHz
• Buffered output for driving any standard ADC
Additional Current Sense/Difference Amplifiers
Part Number
CMR (V)
Bandwidth
G = 10 Typ
(kHz)
CMRR (dB)
Gain Range
(Min to Max)
Offset Drift
(𝛍V/°C)
AD8205
–2 to +65
50
78
50
15 (typ)
AD8206
–2 to +65
100
76
20
15 (typ)
AD8207
–4 to +65
150
80
20
1 (max)
AD8210
–2 to +65
450
100
20
8 (max)
AD8216
–4 to +65
3000
80
3
20 (max)
motorcontrol.analog.com | 3
Digitizing High Speed Control Loops in Wind Turbines to Meet Stringent
Grid Controls Using ADI’s AD7656-1
Electricity networks typically suffer from sags or interruptions caused by a variety of
sources. Some wind turbine technologies respond to such events by shutting down
automatically when a voltage drop occurs on the turbine output as it connects to the grid.
This can be an entire windfarm, where both the off event and reloading of the wind farm
onto the grid can have a significant effect on grid stability.
ADI’s AD7656-1 simultaneous sampling ADC is an ideal choice for UPS design to monitor
transformer signal levels in order to maintain turbine to grid connection voltage levels,
allowing continuous operation of wind turbines.
Features
Applications
• 6-channel, 250 kSPS, simultaneous sampling
• Electrical controller for generation and power within
the turbine
• ADC 16-/14-/12-bit product options
• ±10 V, ±5 V bipolar input ranges
• Control of blade pitch
• Parallel, serial, and daisy-chain interface modes
• UPS within turbine or external UPS for retrofit/upgrade
More Bipolar Simultaneous Sampling ADCs
Part Number
AD7606/AD7607
AD7606-4/AD7606-6
AD7366-5/AD7367-5
Resolution (Bits) Throughput Rate
16/14
200 kSPS
16
200 kSPS
12/14
500 kSPS
Number of Channels
8
4/6
2
AD7366/AD7367
12/14
1 MSPS
4
AD7657-1/AD7658-1
14/12
250 kSPS
6
AIN Range
Bipolar 10 V, bipolar 5.0 V
Bipolar 10 V, bipolar 5.0 V
Bipolar 10 V, bipolar 5.0 V, unipolar 10 V
Interface
Parallel, serial, SPI
Parallel, serial, SPI
Serial, SPI
Bipolar (VREF) × 2, bipolar (VREF) × 4, bipolar 10 V, bipolar 5.0 V,
unipolar (VREF) × 4, unipolar 10 V
Bipolar 10 V, bipolar 5.0 V, unipolar 10 V
Parallel, serial, SPI
Precision Amplifiers Provide High Accuracy and Low Drift for Precision
Level Shifting and Low-Side Current Sense Applications
In efficient, integrated motor control applications, accurate low-side current sensing is
critical to overall system performance. Operational amplifiers with low noise, low offset
voltage, low input bias current, and minimal temperature drift are critical to accurately
sensing this current. Precision amplifiers can also be used to accurately level shift
the measured current, so that it can properly interface to low voltage, single supply
analog-to-digital converters.
ADI has a diverse portfolio of precision operational amplifiers, in a large variety of form
factors that suit almost any application in motor control systems. These operational
amplifiers are offered with minimum and maximum specifications over a wide temperature range (–40°C to +125°C) that enable the system designer to confidently calculate
error budgets.
In addition to precision offset, noise, and drift specifications, the OP2177 and OP4177
operational amplifiers operate over a wide supply voltage range from ±2.5 V up to 36 V.
They also offer wide input and output dynamic range, making them extremely flexible
for sensing, level shifting, and filtering applications in motor control systems.
Features
• 8.5 nV/√Hz input voltage noise
• 0.7 μV/°C max offset drift
• 60 μV max input offset voltage
• 2 nA max input bias current
Additional Operational Amplifiers
AD8671
AD8512
Number of
Op Amps Per
Package
1
2
AD822
2
100
2 pA
1.9
3
3 to 36
AD8604
4
500
200 fA
8.4
6
2.7 to 6
Part
Number
VOS
(𝛍V)
IB
20
80
3 nA
21 pA
4 | Motor and Power Control Solutions
–3 dB
Slew Rate
Bandwidth
(V/𝛍s)
(MHz)
10
4
8
20
VCC – VEE
(V)
IQ Per
Amp
10 to 36
9 to 36
3.5 mA
2.5 mA
900 μA
1.2 mA
Serial, SPI
Isolation
Integrating Isolation in the Current and Voltage Sense Loop
Current monitoring generally has to be high voltage tolerant with respect to each phase
and with respect to the controlling circuitry. Regulated safety standards from UL, CSA,
and VDE require up to 3.75 kV rms of reinforced isolation on motors.
The AD7400A and AD7401A second-order Σ-Δ modulators convert an analog input
signal into a high speed, 1-bit data stream with on-chip digital isolation based on
Analog Devices’ iCoupler® technology. This enables motor control customers to design
accurate robust boards, which meet the reinforced isolation requirements. The AD7400A
and AD7401A may also be used to monitor voltage or as an isolation amp in conjunction
with a third-order active filter.
Features
• 16 bits, no missing codes
• ±2 LSB INL typical at 16 bits
Applications
• Meets CSA, UL, VDE 3.75 kV rms reinforced isolation standards for motors
• Isolated current monitoring
• ±250 mV input range, temperature range –40°C to +125°C
• Isolated voltage monitoring
Part Number
Viorm (Vpeak)
Resolution (Bits)
Sample Rate (MHz)
Supply (V)
Power Dissipation (mW)
Ain Range
891
891
891
891
16
16
16
16
10
10
20
20
3 to 5.5
3 to 5.5
3 to 5.5
3 to 5.5
95
85
105
94
±200 mV diff
±250 mV diff
±200 mV diff
±250 mV diff
AD7400
AD7400A
AD7401
AD7401A
Operating Temp
Range (°C)
–40 to +105
–40 to +125
–40 to +105
–40 to +125
ADI’s Integrated Isolated Gate Drivers Incorporate Isolated Power and Isolated
Gate Drivers in One Package — Improving System Reliability and Quality
In motor control circuits, both isolation and gate drivers are required. Solutions such as
optocoupler-based isolated gate drivers also require separate isolated power, increasing
solution size and design time.
The ADuM5230 and ADuM6132 are the industry’s first isolated gate drivers that offer
independent and isolated outputs, along with isolated power for the gate drive in one
package. This integration eliminates components, reduces system cost and size by as
much as 50%, and improves system reliability and quality by simplifying designs.
Features
• isoPower® integrated, isolated, high-side supply • 16-lead wide-body SOIC
• Safety and regulatory approvals
• High common-mode transient immunity:
>25 kV/μs
Isolated Gate Drivers
Part
Number
ADuM1233
ADuM1234
ADuM3220
ADuM5230
ADuM6132
ADuM7234
Number of
Channels
2
2
2
2
1
2
Insulation
Rating
(kV rms)
2.5
2.5
2.5
2.5
3.7
1
Isolated
Output Min
(V)
12
12
4.5
12
12.5
12
Isolated
Output Max
(V)
18
18
18
18
17
18
Max Operating
Temperature
(°C)
105
105
125
105
85
105
Isolate USB with a Single Chip
Based on Analog Devices’ proprietary iCoupler technology, the USB 2.0 compliant
ADuM3160 and ADuM4160 are fully isolated to 1.5 Mbps and 12 Mbps and have been
developed to lower system cost, reduce design size, and lessen design time, all while
meeting the most demanding medical and industrial standards. For more information,
visit www.analog.com/iCoupler_USB.
motorcontrol.analog.com | 5
Processing Solutions
ADI DSP Processors Offer Control and Signal Processing Capability,
Enabling Greater Energy Efficiency, Sensorless Vector Control, and High
Level Communications
During the past decade, motor control solutions have steadily evolved to improve
performance, efficiency, and communications — all while breaking cost barriers. With
processors like Blackfin and SHARC,® new technology adoption is possible in fixed,
floating, and mixed-signal data styles.
Between Blackfin and SHARC, ADI offers a balance of fixed- or floating-point DSP and
control processing, aligned with the required system needs. Blackfin and SHARC product
portfolios offer a variety of processor solutions — optimized for simple controllers or more
advanced vector or sensorless systems where high processing performance combined
with competitive cost is needed.
Features
• Unique processor core for DSP and control functions with dynamically controlled
power consumption
• Enhanced Harvard architectures offer predictable controllers and systems accuracy
• Rich peripheral set including ePWM/GPIO and communications interfaces
• Complete set of code-compatible DSP families from sub $5 to 600 MHz
Other DSP Offerings
Part Number
ADSP-BF506F
ADSP-BF518
ADSP-21469
ADSP-21478/
ADSP-21479
ADSP-21488/
ADSP-21489
Description
400 MHz Blackfin processor with integrated 4 MB executable flash, integrated
true 12-bit ADC, and dual 3-phase PWM units for unmatched price/
performance and system-level integration
400 MHz Blackfin processor with 3-phase PWM unit and Ethernet MAC with
IEEE 1588 support for motor control applications requiring network connectivity
450 MHz SHARC processor with PWM support provides highest level of
floating-point performance and precision
266 MHz, lowest power, 363 mW typical, 32-bit floating-point SHARC processor
with PWM outputs
400 MHz, highest performing 32-bit floating-point processor with PWM outputs
in a QFP package
Optimizing Loop Response Time in Motor Control Applications
The ADuC7128/ADuC7129 allow accurate and fast monitoring of dc motor currents
through the on-chip 1 MSPS, 12-bit ADC. Should the motor currents become too high,
possibly due to an object blocking the motor arm, rapid action can be taken.
The ADC results can be interpreted by the powerful 41 MIPS ARM7 core, which shortens
significantly the time to adjust or shut down the PWM interface, protecting the motor
from burning out.
Features
• DDS — for example, for resolver excitation
• Encoder input
• 6-channel PWM — with additional H-bridge mode
• 126 kB flash
Other Precision Microcontrollers
Part Number
ADuC7020
ADuC84x
Description
44 MHz ARM7TDMI® microcontroller with 32 kB/64 kB flash/8 kB SRAM,
12-bit multichannel, 1 MSPS ADC, 12-bit DAC, 3-phase PWM unit, and
programmable logic array (PLA)
12 MHz single cycle 8052 microcontroller with 8 kB/32 kB/64 kB flash/2 kB
SRAM, 16-/24-bit Σ-∆ ADC, 12-bit DAC, and flexible PWM unit
6 | Motor and Power Control Solutions
Communication and System Integration
Enabling Real-Time and Precise Communications to Meet the Most
Demanding Applications
The Blackfin series of processors are the future-proof processors that will help you
reduce time to market, cost, and power consumption — while simplifying the design
process at the same time. For a broad spectrum of industrial communications
applications, they are the highest performance low power processors in the world.
Innovation in the solution domains on standard controllers is enabling advances in the
local and global network services being offered at a system level — with Blackfin processors, the offer of a scalar family allows mixture of true processing, from communication
along with applications-specific needs for the drive or system controller.
Features
• Unique processor core for DSP and control functions with dynamically controlled
power consumption
• C/C++ compliant core with RISC instruction set
• Large on-chip flash memory
Applications
• USB/Ethernet and CAN
• ADSP-BF5xx family for all general communication
standards
• Dedicated IEEE 1588 MAC
Other Embedded Communications Offerings
Part Number
ADSP-BF518
ADSP-BF526
ADSP-BF536
ADSP-BF542
Description
400 MHz Blackfin processor with 3-phase PWM unit and Ethernet MAC with
IEEE 1588 support
400 MHz Blackfin processor with USB controller and dual CAN controller
400 MHz Blackfin processor with Ethernet MAC and embedded CAN
400 MHz Blackfin processor with USB controller and dual CAN controller
• ADSP-BF51x family for high performance
IEEE 1588 MAC layer
ADI’s Signal and Power Isolated Transceivers Provide Safety and
Protection in Distributed Control Communications
In typical industrial distributed control communication systems involving motor control
and inverters, harmful levels of current surges can be present due to nearby high power
voltage sources or ground loops between distant communication nodes.
ADI’s ADM2582E and ADM2587E are the industry’s most highly integrated signal
and power isolated RS-485/RS-422 transceivers. The isolation has been integrated
into the physical layer device to help protect both people and equipment from these
harmful events.
Features
• 2.5 kV rms integrated signal and power isolation
• 500 kbps/16 Mbps RS-485/RS-422 compliant transceiver
• 256 node, open- and short-circuit fail-safe receiver function
• 15 kV enhanced ESD
• Short-circuit and thermal shutdown protection
Other RS-485 Transceivers
Part Number
ADM2491E
ADM2486
ADM1486
ADM1491E
ADM485
Description
5 kV rms signal isolated full-/half-duplex, 16 Mbps RS-485 transceiver
2.5 kV rms signal isolated, PROFIBUS® compliant, half-duplex, 16 Mbps RS-485
transceiver
5 V, PROFIBUS compliant, half-duplex, 16 Mbps RS-485 transceiver
5 V, full-duplex, 16 Mbps RS-485 transceiver
5 V, half-duplex, 5 Mbps RS-485 transceiver
motorcontrol.analog.com | 7
Power and Support Functions
ADI’s Ultralow Noise LDOs Increase Precision in Fine-Position Sensing
Applications
The ADP150 LDO provides clean analog supplies to ADCs such as the AD7266
3-channel, dual, simultaneous sampling ADC, increasing the sensing accuracy in
applications such as fine-position sensing in precision robotics.
The 70 dB @ 10 kHz power supply rejection of the ADP150 ensures that supply noise is
rejected by the LDO, and the noise does not degrade the performance of the AD7266.
Features
• PSRR performance of 70 dB at 10 kHz
• Initial output voltage accuracy: ±1%
• Ultralow noise: 9 μV rms, independent of VOUT
• 5-lead TSOT package
ADI’s Supervisors Provide Protection for Motor Control Processors During
Real-World Supply Noise Events
The ADM6316 simple power monitor and reset generator protects expensive FPGAs and
processors from power transients that may be seen on the power line due to motor fault
events. These simple devices also provide the system designer with the flexibility to reset
the system manually.
Features
• 26 reset threshold options (2.5 V to 5 V in 100 mV increments)
• 4 reset timeout options (1 ms, 20 ms, 140 ms, and 1120 ms minimum)
• 4 watchdog timeout options (6.3 ms, 102 ms, 1600 ms, and 25.6 sec typ)
ADI Switching Power Technology Extends Backup Battery Lifetime in Small
Scale Photovoltaic Inverter Applications
Power efficiency is critical to battery life in photovoltaic applications, such as solarpowered street lighting, that use a backup battery to power the control electronics
during static standby conditions.
The ADP2301 dc-to-dc step-down regulator facilitates optimal power design based on
switching technology. During battery-operated standby conditions, the regulator will
automatically operate in PFM (pulse frequency modulation) mode to minimize light
load losses.
The ADP2301 optimizes the efficiency of the standby power loop, directly translating to
increased battery lifetime, measurable in days (based on conversion to 1.8 V supply).
Features
• Over 90% peak efficiency
• 1.2 A maximum load current
• 3 V to 20 V input supply range
For more information on Analog Devices power management solutions,
please visit www.analog.com/power.
8 | Motor and Power Control Solutions
Precision Positioning of Open-Loop Motors Using ADI’s DACs
Precise and stable motor control is required in a wide range of end applications from
precision tooling, robotic control, laser positioning, and CNC machining. These systems
require micro- or nanopositioning of the motor to set the armature position and to ensure
the system’s accurate operation. With the AD5764R product family, precise and stable
operation is guaranteed.
The AD5764R is a multichannel 16-bit DAC with an integrated precision voltage
reference. With an accuracy of 1 LSB linearity and best-in-class temperature and time
drift specification, this device has the performance required in high end open-loop
systems. Also included on chip are user-programmable system calibration features,
allowing quick and easy calibration in the end application.
Features
• 16-bit resolution and accuracy
• Nominal output span of ±10 V
• Integrated precision reference
• System calibration allowing user programmable gain and offset
High Performance Voltage References Provide Highest Accuracy
and Lowest Drift
Precision data converters with 14-bit to 24-bit resolution perform best with an external
voltage reference. External voltage references provide the highest initial accuracy and
the lowest drift due to temperature changes and over time (aging).
Ratiometric applications are not as demanding on the reference, so the internal
reference found in an ADC or DAC are more than adequate. But when ultrahigh
resolution and dc precision is needed, low frequency (1/f) noise is also critical for
consistent and accurate measurements.
Also, when multiple ADCs and DACs need to operate from the same voltage, external
voltage references are best, with their higher drive capability, in addition to their source
and sinking capability.
The table below lists high performance voltage references over a range of price and
performance for the most demanding requirements in measurement and control.
Part Number
Initial
Accuracy
(%)
Temperature
Low Frequency
Coefficient
Noise (𝛍V p-p)
(ppm/°C)
ISY Max
(𝛍A)
VSY Max
(V)
lOUT Source,
Sink (mA)
Load
Regulation
(ppm/mA)
Line
Regulation
(ppm/V)
Stability
(ppm)
ADR420B
0.04
3
3.4
600
18
30, 20
70
35
50
ADR430B
0.05
3
3.5
800
18
30, 20
15
20
40
ADR440B
REF19x
ADR360B
0.04
0.04
0.15
3
5
9
2.3
20
6.8
3750
45
190
18
15
15
10, 5
25
5
5O
10
181
20
10
51.3
5O
240
50
ADR34xx
0.10
10
10
70
5.5
10, 3
150
5O
50
Package
8-lead MSOP,
8-lead SOIC
8-lead MSOP,
8-lead SOIC
8-lead SOIC
8-lead SOIC
5-lead TSOT
6-lead
SOT-23
Price ($U.S.)
4.34
4.34
2.65
1.38
1.20
0.90
motorcontrol.analog.com | 9
10 | Motor and Power Control Solutions
Feedback and Sensing
Applications
Drives
•
•
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Servos
Application
Specific
and
Motor Control Robotics
•
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Technology/Product Type
Application
Specific Power
Control
Part Number
Description
AD2S1200/AD2S1205/AD2S1210
AD7262/AD7264
AD7265/AD7266
ADIS16220
ADXL001
AD8210
AD8205/AD8206
AD8207
AD8213/AD8215
AD8216
AD8671
AD8512
AD822
AD8604
AD7656-1/AD7657-1/AD7658-1
AD7606/AD7607
AD7606-4/AD7606-6
AD7366/AD7367
AD7366-5/AD7367-5
AD7400A/AD7401A
12-bit, 12-bit, 10-bit to 16-bit variable resolution resolver-to-digital converters with internal reference oscillator
Dual, 2-channel, 1 MSPS, 12-/14-bit, simultaneous sampling SAR analog-to-digital converters with PGA and 4 comparators
Dual, 3-channel, 1 MSPS/2 MSPS, 12-bit, simultaneous sampling SAR analog-to-digital converters with PGA and 4 comparators
Programmable digital vibration sensor (iSensor technology)
High performance wide bandwidth iMEMS® accelerometer
High voltage bidirectional current shunt monitor
Single supply difference amplifier for amplifying small differential voltages in the presence of large common-mode voltages
Zero drift, high voltage, bidirectional current shunt monitor
High voltage, unidirectional current shunt monitor
High voltage, high speed, bidirectional current shunt monitor
Single, precision, very low noise, low input bias current operational amplifiers
Precision, very low noise, low input bias current, wide bandwidth JFET operational amplifier (dual)
Single-supply, rail-to-rail, low power FET-input op amp
Quad, rail-to-rail input and output amplifier with very low offset voltage and wide bandwidths
250 kSPS, 6-channel, simultaneous sampling, bipolar 16-/14-/12-bit ADCs
8-channel, 200 kSPS, 16-/14-bit simultaneous sampling ADCs
4-/6-channel, 200 kSPS, 16-bit simultaneous sampling ADCs
Dual 12-/14-bit, 1 MSPS, SAR analog-to-digital converters
Dual 12-/14-bit, 500 kSPS, SAR ADCs
Isolated Σ-Δ modulators
UPS
•
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•
ResolverSimultaneous 𝚺-𝚫
to-Digital
iSensor iMEMS
Sampling ADC ADC
Converter
•
•
•
•
•
Current
Sense
Amplifier
Signal Conditioning
and Sensing
Operational Amplifiers
•
•
•
•
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•
Isolation
Applications
Drives
Application Specific Motor Control
Servos and Robotics
Application Specific Power Control
UPS
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Technology/Product Type
Part Number
Description
AD7400/AD7401
ADuM5230
ADuM6132
ADuM1233/ADuM1234
ADuM1420
ADuM3220
ADuM4160/ADuM3160
ADuM7234
Isolated Σ-Δ modulators
Isolated half bridge gate driver with integrated high-side supply
Isolated half bridge gate driver with integrated isolated high-side supply (high-side and low-side channels isolated)
Isolated, half bridge gate drivers
Quad isolated gate driver
4 A isolated, dual-channel gate driver
Full/low speed USB digital isolators
Isolated precision half bridge gate driver
Isolated 𝚺-𝚫 Converter
Isolated Gate Driver
•
•
•
•
•
•
•
•
Processing Solutions/Communications and Systems Integration
Applications
Drives
Technology/Product Type
Application
Servos
Application Specific
Specific
and
Power Control
Motor Control Robotics
•
•
•
•
•
•
•
•
ADSP-BF506F
•
•
ADSP-BF518
•
ADSP-21469
•
ADuC702x
•
•
•
•
Part Number
UPS
Description
•
•
ADuC84x
•
•
•
•
ADM2491E
•
•
•
•
ADM2486
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
ADM1486
ADM1491E
ADM485
ADM3251E
ADM3101E/ADM3232E
•
•
•
•
•
•
•
•
400 MHz Blackfin with integrated 4 MB executable flash, integrated true
12-bit ADC, and dual 3-phase PWM units for unmatched price/performance
and system-level integration
400 MHz Blackfin with 3-phase PWM unit and Ethernet MAC with IEEE 1588
support motor control applications requiring network connectivity
450 MHz SHARC with PWM support provides highest level of floating-point
performance and precision
44 MHz ARM7TDMI microcontroller with 32 kB/64 kB flash/8 kB SRAM,
12-bit multichannel 1 MSPS ADC, 12-bit DAC, 3-phase PWM unit, and PLA
(programmable logic array)
12 MHz, single cycle 8052 microcontroller with 8 kB/32 kB/64 kB flash/
2 kB SRAM, 16-/24-bit Σ-Δ ADC, 12-bit DAC, and flexible PWM unit
5 kV rms signal Isolated, full/half-duplex, 16 Mbps RS-485 transceiver
2.5 kV rms signal isolated, PROFIBUS compliant, half-duplex, 16 Mbps
RS-485 transceiver
5 V, PROFIBUS compliant, half-duplex, 16 Mbps RS-485 transceiver
5 V, full-duplex, 16 Mbps RS-485 transceiver
5 V, half-duplex, 5 Mbps RS-485 transceiver
2.5 kV rms signal isolated 1 Tx/1 Rx RS-232 transceiver
1 Tx/1 Rx and 2 Tx/2 Rx 3.3 V RS-232 transceivers
FloatingPoint
DSP
FixedPoint
DSP
ARM
8052
IEEE 1588
CAN
USB
Physical RS-485/
PWM ADC Ethernet
UART
RS-232
Controller Core
Support Controller Controller
Layer
RS-422
•
•
•
•
•
•
•
•
•
Isolated
•
•
•
•
•
USB
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Supervisor
Watchdog
•
•
Power and Support Functions
Applications
Drives
Application
Specific Motor
Control
•
Servos and
Robotics
Technology/Product Type
Application Specific
Power Control
•
UPS
Part Number
Description
Multichannel 16-bit DAC with integrated precision voltage reference
Ultraprecision, second generation eXtra implanted junction FET (XFET®) voltage references featuring low noise, high
accuracy, and excellent long-term stability in SOIC and MSOP footprints
Ultralow noise XFET voltage references with current sink and source capability
Low cost, low power, high precision voltage references featuring ±0.1% initial accuracy, low operating current, and
low output noise in a small SOT-23 package
Supervisory circuit with watchdog, manual reset, and active low/push-pull
5.5 V input, 300 mA/500 mA, low quiescent current linear regulators with fixed output voltage
Ultralow noise (9 μV), low dropout linear regulator that operates from 2.2 V to 5.5 V and provides upto 150 mA of
output current
Compact, 600 mA, 3 MHz, step-down dc-to-dc converter
1.2 A, 20 V, 1.4 MHz nonsynchronous step-down switching regulators
•
AD5764R
•
•
•
•
•
ADR420B
•
•
•
•
•
ADR430B
•
•
•
•
•
ADR34xx
•
•
•
•
•
•
•
•
•
•
ADM6316
ADP122/ADP124
•
•
•
•
•
ADP150
•
•
•
•
•
•
•
•
•
•
ADP2108
ADP2300/ADP2301
For more product offerings, please visit motorcontrol.analog.com.
LDO
Switching
Regulator
Reference
DAC
•
•
•
•
•
•
•
•
Demo and Reference Designs
Analog Devices has developed a set of demonstration platforms with
full signal chain technology alignment that are bound together with high
level software tools like the Mathworks MATLAB® or Analog Devices own
development tools, such as the VisualDSP++® development and debug
environment. This enables a complete understanding about how motor
control systems work.
The demonstration platforms embrace the different technologies that have
been shown previously in this brochure and align critical needs of a typical
motor control system.
MOTION
CONTROLLER
MOTOR
CURRENT
MONITORING
DEMAND
INTERFACE
NETWORK
INTERFACE
ROTOR/LOAD
POSITION FEEDBACK
FB
VOLTAGES AND
CURRENTS
DSP HARDWARE
FOR CONTROL
3 PAIR PWM
ISOLATION LAYER
ISOLATION LAYER
ISOLATION LAYER
VOLTAGE AND
CURRENT
INVERTER
POWER
STAGE
VOLTAGE
MONITORING
VOLTAGE AND
CURRENT
RECTIFIER
GATE
DRIVER
𝛃
Ib
Is𝛃
Is
CLARK
TRANSFORM
(a, b, c) → (𝛂, 𝛃)
One of the platforms that covers a high variety of products features.
• 1 kW power inverter/stage (IGBT — IPM)
Is𝛂
• Isolation of high power to DSP and sensor circuitry
• Feedback interfaces for encoder or resolvers
𝛂
Ia
Is𝛂 = Ia
• Interfaces to PC
• Complete set of evaluation software linked to either MATLAB
or VisualDSP++
Is𝛃 =
Ic
1
√3
Ia +
2
√3
Ib
Ia + Ib + Ic = 0
More Details on the Hardware
OUTPUT
• ADSP-BF506 EZ-KIT Lite® for evaluation of software and hardware
capability in a real-time motor control system
• ADuM130x and ADuM140x for local isolation of gate drivers
and interfaces
• AD7401 and Hall Effect sensors for isolated current and voltage
measurement
• Resolver-to-digital interface: AD2S1210 along with excitation
through AD8664
+1
–𝛑
–𝛑/2
+𝛑/2
–1
0
+𝛑
+1
𝛉
• Local power supplies ADP3330 and ADP3630
• Other features and application interfaces are supported by families like
AD866x/ADM63x and ADM248x
–1
For more information contact your local ADI representative or find more
information at motorcontrol.analog.com.
motorcontrol.analog.com | 11
Resources and Tools
New Motor Control Website Features our Leading Measurement, Processing,
and Communications Solutions
From low end motor control to servos and robotics to UPS and advanced power supply designs, Analog Devices
offers a complete product portfolio to optimize system-level and applications-oriented designs.
As one of the few companies providing the full range of required analog and digital signal processing technologies,
we are well-equipped to address a variety of design implementations across the signal chain. Enhanced performance and system integration enable innovative design topologies, which add value and help differentiate our
customer’s systems.
Now we make it even easier to design and deploy these systems with a dedicated online resource highlighting
our systems-level expertise, product recommendations, news, articles, and more. Explore the new website at
motorcontrol.analog.com.
Analog Devices, Inc.
Worldwide Headquarters
Analog Devices, Inc.
Three Technology Way
P.O. Box 9106
Norwood, MA 02062-9106
U.S.A.
Tel: 781.329.4700
(800.262.5643,
U.S.A. only)
Fax: 781.461.3113
Circuits from the Lab™ by Analog Devices is a new design assistance resource that
provides engineers with tested circuit solutions for many common applications.
Circuits from the Lab pairs at least two complementary components, such as an
ADC and amplifier, to present a circuit optimized for a targeted application.
Each circuit has been built and tested in the lab and can be easily integrated into
designs, resulting in reduced design risk and faster time to market.
Circuit note documentation accompanies each Circuits from the Lab and describes the circuit function,
benefits, and implementation in detail, with common variations noted.
View the collection of circuit notes available for motor control designs at www.analog.com/circuits.
Analog Devices, Inc.
Europe Headquarters
Analog Devices, Inc.
Wilhelm-Wagenfeld-Str. 6
80807 Munich
Germany
Tel: 49.89.76903.0
Fax: 49.89.76903.157
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Japan Headquarters
Analog Devices, KK
New Pier Takeshiba
South Tower Building
1-16-1 Kaigan, Minato-ku,
Tokyo, 105-6891
Japan
Tel: 813.5402.8200
Fax: 813.5402.1064
Analog Devices, Inc.
Southeast Asia
Headquarters
Analog Devices
22/F One Corporate Avenue
222 Hu Bin Road
Shanghai, 200021
China
Tel: 86.21.2320.8000
Fax: 86.21.2320.8222
©2010 Analog Devices, Inc. All rights reserved.
Trademarks and registered trademarks are the property
of their respective owners.
Printed in the U.S.A.
BR08704-4-10/10(A)
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