E522.51/52 Multiple Power Supply Demonstration Board
AN 0132
Nov 24, 2015
Figure 1. Demoboard
1 What you get:
1. E522.51/52 demonstration board
2. Demoboard description (this document)
2 What you need to start:
1. Power Supply Unit, capable of at minimum 3A 50 ms pulse and 40V max. output voltage
2. One or more load resistors of min.1.5A load current carrying capacity (values depending on the output voltages of the
regulators (see section “Features of the Demoboard”) or multichannel active load
3. One or more (digital) voltmeters and ampmeters
4. Optional: oscilloscope (4-channel or more preferred)
3 Connectors
AK1:
AK2:
AK3:
AK4:
AK5:
AK6:
AK7:
Power supply and Ground (positive terminal VBAT)
output of the 1st buck converter
output of the 2nd buck converter
output of the 1st LDO
output of the 2nd LDO
output of the 3rd LDO
output of the 4th LDO
X1:
X2:
X3:
X4:
SPI connector (to external µC)
IC control and monitoring signals
auxiliary outputs of regulators Buck 1, Buck 2, LDO1 – LDO4
IC control signals
Elmos Semiconductor AG
Application Note 1/7
QM-No.: 25AN0132E.00
AN 0132
E522.51/52 Multiple Power Supply Demonstration Board
Nov 24, 2015
4 Jumpers
JP1:1st LDO input selector
JP2: LDO parallelization of LDO2 – LDO4
JP3: VIO source selector
J2:
J3:
J4:
input voltage source selector for LDO4
input voltage source selector for LDO3
input voltage source selector for LDO2
ON1: activation of 1st buck converter
ON2: activation of 2nd buck converter
ON_P: repetitive activation of both buck converters (remote control)
5 Indicators
LD1:
LD2:
Power Good signal (active only with VIO setting)
IC activation (output of the on-board pulse generator, ON_P status)
6 Safety precautions
The E522.51/52 multiple Power Supply demoboard operates with output currents of up to 1.5A. When load resistors are connected to the outputs, the output current can cause the load resistors become hot during demoboard operation!
Handling and operating the demoboard assembly is only allowed in an ESD protected workplace. Follow the instructions to set
up and operating exactly to avoid failures or damages of the demoboard.
7 Features of the demoboard
The E522.51/52 multiple Power Supply demoboard provides up to 6 separate output voltages to external loads. On the AK2 to
AK7 connectors, the output voltages are available. It is possible to interconnect the outputs of the LDO’s to achieve higher output current (parallelization) by setting JP2. Depending on the programming of the E522.51 resp. E522.52 for the desired application, the activation of the buck converters is possible by an on-board pulse generator in an ON/OFF cycle of 1s ON- time and
0.5s OFF-time. The output voltage settings (level, Power sequencing, current limitation and activation control) are internally
programmed and application- tailored. The SPI can be used to analyze status information and to control the IC behavior in a
predetermined characteristic. For monitoring and measuring the output voltages, an auxiliary output pin header is available.
IC control and status information can be captured at the X2 and X4 connector. For further information of parameter settings,
refer to the E522.51/52 data sheet.
8 Jumper settings
JP1:
LDO1 input voltage selector
1-2LDO1 input connected to Buck converter 2 output
3-4LDO1 input connected to Buck converter 1 output
5-6LDO1 input connected to VBAT
JP2:
LDO parallelization
1-2LDO3 || LDO4
3-4, 5-6 LDO2 || LDO3 || LDO4
5-6LDO3 || LDO4
JP3:
VIO source selector (the JP3 jumper setting determines the voltage level of the µC interface)
1-2VIO connected to Buck 2 output
2-3VIO connected to LDO1 output
J2:
LDO4 input selector
1-2LDO4 input connected to Buck 2 output
2-3LDO4 input connected to Buck 1 output
Elmos Semiconductor AG
Application Note 2/7
QM-No.: 25AN0132E.00
AN 0132
E522.51/52 Multiple Power Supply Demonstration Board
Nov 24, 2015
J3:
LDO3 input selector
1-2LDO3 input connected to Buck 2 output
2-3LDO3 input connected to Buck 1 output
J4:
LDO2 input selector
1-2LDO2 input connected to Buck 2 output
2-3LDO2 input connected to Buck 1 output
ON1:
ON2:
ON_P:
(static) buck converter 1 activation
(static) buck converter 2 activation
Both ON- inputs connected to the on-board pulse generator
9 Start of operation:
1. Connect the outputs to external load resistors and to the measuring instruments
2. Set the jumpers accordingly to the desired application
3. Connect the input to the PSU.
4. Double-check that everything has been connected and settled correctly
5. Turn the Power Supply Unit on.
Observe the output voltages and /or the output currents (Power sequencing can be observed by a scope)
Elmos Semiconductor AG
Application Note 3/7
QM-No.: 25AN0132E.00
E522.51/52 Multiple Power Supply Demonstration Board
AN 0132
Nov 24, 2015
10 Circuit diagram of the Demoboard:
Figure 2. Schematic
Elmos Semiconductor AG
Application Note 4/7
QM-No.: 25AN0132E.00
E522.51/52 Multiple Power Supply Demonstration Board
AN 0132
Nov 24, 2015
11 PCB assembly
Figure 3. PCB top view
Elmos Semiconductor AG
Application Note 5/7
QM-No.: 25AN0132E.00
AN 0132
E522.51/52 Multiple Power Supply Demonstration Board
Nov 24, 2015
12 Bill of Materials (BOM)
Used Pos.-No.
ON1,ON2,
4
ON_P,JP3
Value
Order-No.
Supplier
JP02,
ASL050G
Schukat
5
JP1,JP2,J2,J3,J4
JP03R
ASL050G
Schukat
2
X1,X4
X03X2DR
1
X2
X04X2DR
1
X3
7
AK1,AK2,AK3,
AK4,AK5,AK6,AK7
C2,C3
C19
C7
C1,C4,C5,C6,
C13,C17,C21,C33
C12,C14,C15
C22
C8,C9
C10
C16,C20,C32
C11,C23
C27,C28,C29,
C30,C31
C25
C18,C24
C26
R19
R11
R7,R16
R14
R1
R4,R8,R9,R21
R3
R2
R10,R15,R17,R18
R5,R6
R20
R12,R13
D3
Q1
Q2
D1
D2
D5,D6,D7,
D8,D9,D10
LD1,LD2
IC1
IC2
L2
L1
L3
2
1
1
8
3
1
2
1
3
2
5
1
2
1
1
1
2
1
1
4
1
1
4
2
1
2
1
1
1
1
1
6
2
1
1
1
1
1
Manufacturer
X06X2DR
45110-26400009000-ND Digikey
(broken)
45110-26400009000-ND Digikey
(broken)
45110-26400009000-ND Digikey
(broken)
Remark
broken pin header single RM2.54
broken pin header single RM2.54
broken pin header dual
RM2.54
broken pin header dual
RM2.54
broken pin header dual
RM2.54
AK130/02
ARK130/2
Schukat
RM5.08
330p
1.5n/50V
10n/50V
311-1192-1-ND
1276-1794-1-ND
399-1158-1-ND
Digikey
Digikey
Digikey
X7R, 0805
X7R, 0805
X7R, 0805
PTR Messtechnik
Yageo
Samsung
Kemet
100n/50V
445-1349-1-ND
Digikey
X7R, 0805
Kemet
470n/10V
1µ/10V
4.7µ/10V
10µ/10V
22µ/10V
22µ/10V
399-9247-1-ND
399-6997-2-ND
445-1605-1-ND
1276-2934-1-ND
445-7615-2-ND
1276-3146-1-ND
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
X7R, 0805
X7R, 0805
X7R, 0805
X7R, 0805
X7R, 0805
X7R, 1206
Kemet
Kemet
TDK
Samsung
TDK
Samsung
100µ/10V
493-2165-1-ND
Digikey
6.3 x.6.3
Nichicon
100µ/16V
100µ/50V
220µ/6.3V
100R
200R
820R
3k3
8k2
10k
12k
14k
18k
82k
1M
1M2
5.6V
2N7002
BC846BSMD
ES2D
SS24
493-4593-1-ND
PCE3917CT-ND
PCE3742CT-ND
RMCF0805JT100RCT-ND
RMCF0805JT200RCT-ND
RMCF0805JT820RCT-ND
RMCF0805JT3K30CT-ND
RMCF0805JT8K20CT-ND
RMCF0805JT10k0CT-ND
RMCF0805JT12k0CT-ND
RMCF0805JT14k0CT-ND
RMCF0805JT18k0CT-ND
RMCF0805JT82k0CT-ND
RMCF0805JT1M0CT-ND
RMCF0805JT1M20CT-ND
568-39-797-1-ND
2N7002NCT-ND
568-6060-1-ND
641-1150-1-ND
SS24T3GOSCT-ND
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
6.3 x.6.3
8 x 10
6.3 x.6.3
0805
0805
0805
0805
0805
0805
0805
0805
0805
0805
0805
0805
SOD80C
SOT23
SOT23
SMB
SMB
Nichicon
Panasonic
Panasonic
Stackpole
Stackpole
Stackpole
Stackpole
Stackpole
Stackpole
Stackpole
Stackpole
Stackpole
Stackpole
Stackpole
Stackpole
NXP
Fairchild Semi
NXP
Comchip
ON Semi
1N4148
CDSSC4148N-G-ND
Digikey
0805
Comchip
ChipLED
NE555
522.51
LPS6225-223
MSS1038-683
74479885147
475-1410-1-ND
NE555S-14DICT-ND
E522.51
Direct call
Direct Call
732-3026-1-ND
Digikey
Digikey
0805
SOIC-8
QFN48L7
sample request
sample request
0805
OSRAM
Diodes Inc.
Elmos Semiconductor AG
Elmos
Coilcraft
Coilcraft
Digikey
Application Note 6/7
MPE Garry
MPE Garry
MPE Garry
MPE Garry
MPE Garry
Elmos
Coilcraft
Coilcraft
Würth
QM-No.: 25AN0132E.00
E522.51/52 Multiple Power Supply Demonstration Board
AN 0132
Nov 24, 2015
Usage Restrictions
Elmos Semiconductor AG provide the E522.51/52 Demonstration Board simply and solely for IC evaluation purposes in laboratory.
The Kit or any part of the Kit must not be used for other purposes or within non laboratory environments. Especially the use or
the integration in production systems, appliances or other installations is prohibited.
The pcb´s are delivered to customer are for the temporary purpose of testing, evaluation and development of the Elmos IC´s only.
Elmos will not assume any liability for additional applications of the pcb.
Disclaimer
Elmos Semiconductor AG shall not be liable for any damages arising out of defects resulting from (1) delivered hardware or software, (2) non observance of instructions contained in this document, or (3) misuse, abuse, use under abnormal conditions or
alteration by anyone other than Elmos Semiconductor AG. To the extend permitted by law Elmos Semiconductor AG hereby expressively disclaims and user expressively waives any and all warranties of merchantability and of fitness for a particular purpose,
statutory warranty of non-infringement and any other warranty or product liability that may arise by reason of usage of trade,
custom or course of dealing.
Elmos Semiconductor AG – Headquarters
Heinrich-Hertz-Str. 1 | 44227 Dortmund | Germany
Phone + 49 (0) 231 - 75 49 - 100 | Fax + 49 (0) 231 - 75 49 - 159
sales-germany@elmos.com | www.elmos.com
Note Elmos Semiconductor AG (below Elmos) reserves the right to make changes to the product contained in this publication without notice. Elmos assumes no responsibility for the use of any circuits described herein, conveys no licence under any patent or other right, and makes no representation that the circuits are free of patent infringement. While the information in this publication has been checked,
no responsibility, however, is assumed for inaccuracies. Elmos does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be
expected to cause failure of a life-support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications.
Copyright © 2015Elmos Reproduction, in part or whole, without the prior written consent of Elmos, is prohibited.
Elmos Semiconductor AG
Application Note 7/7
QM-No.: 25AN0132E.00