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EPC9528 dsPIC33CK Controller Module
DESCRIPTION The EPC9528 controller module includes the Microchip dsPIC33CK256MP503 16-bit digital controller. It is designed to work with various EPC evaluation boards and modules that require an external controller features include:• Total main connector I/Os: 21 o Up to 4 PWM pairs o Up to 12 analog input channels o Up to 2 internal op-amps• On-board isolated USB o USB to UART (default) o USB to I2C (configurable)• Standard 5-pin programming port o Also reconfigurable as UART • External I2C connection o Also reconfigurable as one PWM pair
REGULATORY INFORMATION This controller module is for evaluation purposes only. No EMI test was conducted. It is not FCC approved.
Figure 1: Overview of the EPC9528 board
J10mainconnector
UART/USB interfaceUSB isolator
J30PC portdsPIC33CK256MP503
Micro-USB
J20programmingheader
Top side Bottom side
Table 1: Maximum RatingsSymbol Parameter Conditions Min Max UnitsVCC 3.3 V Supply 3.0 3.6
V
VDD_USB USB Supply Voltage -0.3 5.5
VIO Voltage on I/O pins
Regular digital and analog pins -0.3 Vcc+0.3
5 V tolerant pin, Vcc ≥ 3.0 V -0.3 5.5
5 V tolerant pin, Vcc < 3.0 V -0.3 Vcc+0.3
TCOperating
temperature -40 125 °C
Table 2: Compatible Demo BoardsDescription Basic SpecificationsEPC9137 Rev 4.0 1.5 kW 48 V/12 V bi-directional converter
EPC9146 Rev 2.1 400 W, 3-phase BLDC Inverter using EPC2152
Table 3: Connector SpecificationsJumper Description Type Mating connectorJ10 Main card edge connector 1.0 mm Micro edge card Samtec, MEC1-120-02-F-D-EM2
J20 Pickit programming header 5-pin .1” male header
J30 I2C external connector 5-pin .05” header (empty)
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EPC9528 dsPIC33CK Controller Module
Table 4: Pin Mapping
EPC9528 J10 dsPIC33CK256MP503
Pin # Pin name Pin # Pin name2 PWMH3 33* TMS/RP42/PWM3H/RB10
4 PWML3 34* TCK/RP43/PWM3L/RB11
6 PWMH2 35* TDI/RP44/PWM2H/RB12
8 PWML2 36* RP45/PWM2L/RB13
10 PWMH1 1* RP46/PWM1H/RB14
12 PWML1 2* RP47/PWM1L/RB15
14 RP38_PWMH6_SCL2 25* PGC3/RP38/PWM6H/SCL2/RB6
Index Slot18 RP37_PWML6_SDA2 24* PGD3/RP37/PWM6L/SDA2/RB5
20 RP51_RC3 16 AN15/CMP2A/IBIAS2/RP51/RC3
22 AN10_RP40 27 PGD1/AN10/RP40/SCL1/RB8
24 AN3 8 DACOUT1/AN3/CMP1C/RA3
26 AN11 28 PGC1/AN11/RP41/SDA1/RB9
28 AN14_OA3IN+ 13 OA3IN+/AN14/CMP2B/ISRC1/RP50/RC2
30 AN13_OA3IN- 12 OA3IN-/AN13/CMP1B/ISRC0/RP49/RC1
32 AN1 19 OA2OUT/AN1/AN7/ANA0/CMP1D/CMP2D/CMP3D/RP34/SCL3/INT0/RB2
34 AN2 26 TDO/AN2/CMP3A/RP39/SDA3/RB7
36 AN9_OA1IN+ 7 OA1IN+/AN9/RA2
37 RP33_RB1 18 OSCO/CLKO/AN6/RP33/RB1
38 RA1_OA1IN- 6 OA1IN-/ANA1/RA1
39 RP32_RB0 17 OSCI/CLKI/AN5/RP32/RB0
40 AN12 4 AN12/ANN0/RP48/RC0
1, 3, 5, 7, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35
GND 11, 15, 22, 31 AVSS , VSS
9, 11, 13 3V3 14, 23, 32 VDD
Table 5: Programming Port
EPC9528 J20 dsPIC33CK256MP503
Pin # Pin name Pin # Pin name1 MCLR 3 MCLR
2 3V3 14,23,32 VDD
3 GND 11, 15, 22, 31 AVSS , VSS
4 PGD 20 PGD2/OA2IN-/AN8/RP35/RB3
5 PGC 21 PGC2/OA2IN+/RP36/RB4
Table 6: External I2C Port
EPC9528 J30 dsPIC33CK256MP503
Pin # Pin name Pin # Pin name1 SCL 30* RP53/PWM5L/ASCL2/RC5
2 GND 11, 15, 22, 31 AVSS , VSS
3 SDA 29* RP52/PWM5H/ASDA2/RC4
4 GND 11, 15, 22, 31 AVSS , VSS
5 3V3 14, 23, 32 VDD
* 5 VDC tolerant. Refer to dsPIC33CK256MP508 family datasheet for detail
* 5 VDC tolerant. Refer to dsPIC33CK256MP508 family datasheet for detail
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EPC9528 dsPIC33CK Controller Module
OPERATING CONSIDERATIONS3.3 V SupplyThis controller module requires external 3.3 V, typically provided by the power module through the main connector J10.
Example Application Pin Assignment MapsThe on-board micro-USB port is isolated, and only provides power to the isolated side of the USB interface. It does not provide 3.3 V. By default, the MCP2221A with AduM1201 are configured as USB-UART interface.
The USB interface is routed to RP35 (TX) and RP36 (RX), as shown in Figure x.
To change the USB-UART interface to USB-I2C, please follow the instructions on the schematic.
EXAMPLE APPLICATION PIN ASSIGNMENT MAPSTable 7: Three-phase motor drive
Pin # Pin name Pin #2 PWMH1 VSS 14 PWML1 VSS 36 PWMH2 VSS 58 PWML2 VSS 7
10 PWMH3 VDD 912 PWML3 VDD 1114 EncA VDD 13
Index Slot18 EncB VSS 1720 EncI VSS 1922 Vin VSS 2124 V1 VSS 2326 V2 VSS 2528 V3 VSS 2730 Iin VSS 2932 I1 VSS 3134 I2 VSS 3336 I3 VSS 3538 EN/Pgood LEDerr 3740 Tsns LEDact 39
Table 8: Four-phase DC-DC converterPin # Pin name Pin #
2 PWMH3 VSS 14 PWML3 VSS 36 PWMH4 VSS 58 PWML4 VSS 7
10 PWMH1 VDD 912 PWML1 VDD 1114 PWMH2 VDD 13
Index Slot18 PWML2 VSS 1720 Vin2 VSS 1922 Vin1 VSS 2124 Vout2 VSS 2326 Vout1 VSS 2528 Iout3 VSS 2730 Iout4 VSS 2932 Iout1 VSS 3134 Iout2 VSS 3336 Idc2 VSS 3538 EN/Pgood Tsns2 3740 Idc1 Tsns1 39
PROGRAMMINGThe Microchip dsPIC33CK controller can be programmed through the 5-pin header J20. It supports all of Microchip’s in-circuit programmers/debuggers, such as MPLAB® ICD4, MPLAB® REAL ICE or MPLAB® PICkit4 and previous derivatives.
Development tools can be found at: https://www.microchip.com/development-tools
MCP2221AADuM1201
Isolator
dsPIC33CK256MP503
USBUART
RX
TXPGD2 / RP35 (U1TX)
PGC2 / RP36 (U1RX)
USB 5 V 3.3 V
Figure 2: Micro-USB interface connection and power diagram
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EPC9528 dsPIC33CK Controller Module
Programming with HEX fileDownload the latest MPLAB® X IPE from Microchip website and follow the five steps below:
https://www.microchip.com/mplab/mplab-integrated-programming-environment
1. Enable Advanced Mode: 5. Erase device, and then program device:
2. Select Device: dsPIC33CK256MP503 and then apply:
3. Select programming tool and then connect:
4. Click ‘Browse’ to select the provided .hex file:
Optional:
dsPIC33EP256MC506 dsPIC33CK256MP503
dsPIC33EP256MC506 dsPIC33CK256MP503
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EPC9528 dsPIC33CK Controller Module
Table 9: Bill of Materials Item Qty Reference Part Description Manufacturer Part #
1 7 C1, C2, C3, C4, C500, C501, C520 0.1 μF, 25 V Yageo CC0402KRX7R8BB104
2 1 C10 1 μF, 25 V Murata GRM155R61E105MA12D
3 1 C20 56 pF, 50 V TDK C1005C0G1H560J050BA
4 2 C30, C31 22 μF, 25 V X7R Taiyo Yuden TMK325B7226MM-TR
5 2 C35, C36 10 μF, 25 V X5R Murata GRM188R61E106MA73D
6 9 C70, C71, C72, C73, C74, C75, C76, C77, C78 220 pF, 50 V Kemet C0402C221K5RACTU
7 2 C502, C503 47 pF, 50 V Yegeo CC0402JRNPO9BN470
8 1 C510 10 μF, 10 V TDK C1005X7S1A105K050BC
9 1 C511 470 nF, 6V3 Murata GRM155R60J474KE19D
10 1 D1 LED 0603 Green Wurth 150060VS75000
11 1 D2 LED 0603 Red Wurth 150060RS75000
12 1 D500 TVS Diode Array 6V Wurth 82400152
13 3 FB35, FB501, FB502 180 Ω @ 100 MHz Murata BLM15PX601SN1D
14 1 J20 .1" Male RA Tyco 4-103185-0-04
15 1 J500 USB Mini Amphenol ICC (FCI) 10118194-0001LF
16 1 L500 90 Ω 550 mA 50 V Wurth 744230900
17 2 R1, R2 261 Ω Panasonic ERJ-2RKF2610X
18 6 R10, R80, R81, R90, R91, R551 0 Ω Panasonic ERJ-3GEY0R00V
19 2 R20, R510 10 k Yageo RC0402FR-0710KL
20 1 R21 100 Ω 1% Yageo RC0402FR-07100RL
21 1 R501 4.7 k Panasonic ERJ-2RKF4701X
22 2 R502, R503 15 Ω Panasonic ERJ-2RKF15R0X
23 2 R530, R531 270 Ω Panasonic ERJ-2RKF2700X
24 1 U1 dsPIC Microchip dsPIC33CK256MP503-E/M5
25 1 U510 USB to I2C and UART Microchip MCP2221A-I/ML
26 1 U520 Digital Isolator Analog ADuM1201CR/ADuM1250ARZ
Table 2: Optional Components Item Qty Reference Part Description Manufacturer Part #
1 1 J30 50 mil straight Sullins GRPB051VWVN-RC
2 4 R82, R83, R92, R93 15 K Yageo RC0603FR-0715KL
3 3 R532, R533, R552 0 Ω Panasonic ERJ-3GEY0R00V
4 4 R520, R521, R534, R535 4.7 k Panasonic ERJ-2RKF4701X
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EPC9528 dsPIC33CK Controller Module
Figure 3: EPC9528 main schematic
FD 1 FD 2 FD 3
MCL R3V3
3V 3
PICKIT PROGRAM HEADER
Local Decoupling for Analog signals
220 pF , 50 VC70
GND
220 pF , 50 VC72
GNDGND
220 pF , 50 VC73
GND
Programming and Communications
220 pF , 50 VC74
GND
GND
AN11AN14_OA3IN+
AN1AN2
AN9_OA1IN+
AN12
Load interface connector
1 μF, 25 VC10
GND
3V3R P38_PW MH6_SC L 2
R P37_PW ML 6_SDA2R P51_R C3
PWMH2PWML 2
AN13_OA3IN-
R P33_R B 1R P32_R B 0
3V3
R A1_OA1IN-
1 RP46/PWM1H/RB14RP47/PWM1L/RB15/MCLRAN12/ANN0/RP48/RC0OA1OUT/AN0/CMP1A/IBIAS0/RA0OA1IN-/ANA1/RA1OA1IN+/AN9/RA2DACOUT/AN3/CMP1C/RA3OA3OUT/AN4/CMP3B/IBIAS3/RA4AVDDAVSSOA3IN-/AN13/CMP1B/ISRC0/RP49/RC1VDDAN15/CMP2A/IBIAS2/RP51/RC3OSCI/CLKI/AN5/RP32/RB0OSCO/CLKO/AN6/RP33/RB1
RP45/PWM2L/RB13TDI/RP44/PWM2H/RB12TCK/RP43/PWM3L/RB11
TMS/RP42/PWM3H/RB10VDDVSS
RP53/ASCL2/RC5RP52/ASDA2/RC4
PGC1/AN11/RP41/SDA1/RB9PGD1/AN10/RP40/SCL1/RB8TDO/AN2/CMP3A/RP39/RB7
PGC3/RP38/SCL2/RB6PGD3/RP37/SDA2/RB5
VDDVSS
PGC2/OA2IN+/RP36/RB4PGD2/OA2IN-/AN8/RP35/RB3
OA2OUT/AN1/AN7/ANA0/CMP1D/CMP2D/CMP3D/RP34/INT0/RB2
23
56789
101112
14
1718 19
2021
2425262728
313233343536
4
13
1516
2223
2930
dsPI C33CK 64MP103T-I /M5dsPI C33CK 32MP103T-I /M5
U1dsPI C33CK 256MP503-E /M5
12345678910
11121314
171819202122232425262728
1 mm x 62 mil PCB
293031323334353637383940
J10
.1" Male RA
12345
J20
TX
R X
GND
3V3GP0
GP1
GP2
GP3
GNDF
USB
AP1018_Rev1_2_IsoMicroUSBinterface.SCHDOC
PGD_T X _SD APGC_R X _SC L
AN10_RP40AN11
AN14_OA3IN+
AN1
AN2
AN9_OA1IN+AN3
AN12
R P38_PW MH6_SC L 2R P37_PW ML 6_SDA2
R P51_R C3
PWMH1PWMH2
PWMH3
PWML 1PWML 2
PWML 3
AN13_OA3IN-
R A1_OA1IN-
R P33_R B 1R P32_R B 0
MCL R
GND
3V 3
GND
GND
GND
3V 3A
3V 3 3V 3
3V3
10 kR 20
Iso Mini USB Interface
PGD_T X _SD A
PGC_R X _SC LLED 0603 Green
D1
LED 0603 Red
D2
261 ΩR 2
261 ΩR 1
GND GND
Status Indicators
A
K
A
K
External Power & I2C Communications
GND
0.1 μF , 25 VC1
GND
0.1 μF , 25 VC2
0.1 μF , 25 VC3
GND
3V 3A
3V 3
GND
15 K 1% 0603R 93
E MPT Y
15 K 1% 0603
R 92
E MPT Y
Op-Amp Con�g
3V3
0.1 μF , 25 VC4
GND
3V3
R P33_R B 1R P32_R B 0
Active Error
GND
OA3OUT
OA1OUT
OA1OUT
OA3OUT
AN14_OA3IN+
R A1_OA1IN-
AN9_OA1IN+
AN13_OA3IN-
Remove R82, R83, R92, R93 if using Analog Inputs
R80, R81, R90, R91 = 15 k if using OpAmp InputsR80, R81, R90, R91 = 0 Ω if using Analog Inputs
0ER 80
0ER 810ER 90
0ER 91
GND
15 K 1% 0603R 83
E MPT Y
15 K 1% 0603
R 82
E MPT Y
22 μF , 25 V X 7R
C30
22 μF , 25 V X 7R
C31
GND GND
GND
GND
3V33V3
0 Ω
R 10
GND3V3
180 Ω @ 100 MH z1 2
FB 35
3V3
10 μF , 25 V X 5RC36
3V3A
GND
10 μF , 25 V X 5RC35
GND
220 pF , 50 VC71
220 pF , 50 VC75
GND
220 pF , 50 VC77
GNDGND
220 pF , 50 VC78
GND
220 pF , 50 VC76
100 Ω 1%R 21
56 pF , 50 VC20
AN3AN1 AN2 AN10_RP40
AN9_OA1IN+ AN13_OA3IN- AN14_OA3IN+AN12
AN11
GND
PGD_T X _SD APGC_R X _SC L
PWMH1PWML 1
PWMH3PWML 3
50mil straight
12345
J30
Default = Use Analog Inputs
Default = Use Analog Inputs
Remove R1, R2 if using Ditial I/O from Load
Default = Use LEDs
ASDA2ASC L 2
ASDA2
ASC L 2
AN3AN10_RP40
ATTENTIONELECTROSTATIC
SENSITIVE DEVICE
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EPC9528 dsPIC33CK Controller Module
1 2FB502
12
34
50
IDD
+D
-+5
VG
ND
J500
USB 2.0 Mini
47 pF, 50 V
C503
25
TVS Diode Array 6 V
1,63,4
D500
3
1
4
2
90 Ω 550 mA 50 V
L 500
L ine Filter 0603
180 Ω @ 100 MHz
180 Ω @ 100 MHz1 2
FB501
USB_D-
USB_D+
USBinterface
Busmatrix
I2Cinterface
UARTinterface
G IO
16
1 23
4
56 7
8
9
10
11
12
13 17
SCL
SDA
RX
TX
E P
RST
GP
3
V S S
D-
D+
VDD VUSB
GP
2
GP
1
GP
0
U510MCP2221A-I/ML
10 kR 510
4.7 kR 534
E MPT Y
0.1 μF , 25 VC501
GNDF
GNDFGNDF
GND
10 μF, 10 VC510
0.1 μF , 25 VC500
15 ΩR 502
15 ΩR 503
270 ΩR 530
270 ΩR 531
4.7 kR 535
E MPT Y
TX
R X
GND
3V3
GNDF GNDF
4k7R 501
GNDF
GNDF
47 pF, 50 V
C502
470 nF, 6 V3C511
5V
GNDF GNDF
3V3
5 V
I2CUART
DNP
R551
Do Not Connect
5
7
63
2
41 8
VDDA VDDB
GNDA GNDBU520
ADuM1201CR/ADuM1250ARZTX
R X
SDA
SCL 0 ΩR 532 EMPTY
0 Ω EMPTYR 533
GNDGNDF
3V3
5 VV USB
V USB
Data type selector
0 ΩR 551
0 ΩR 552
E MPT Y
Default set to UART using 5 V
0.1 μF , 25 VC520
GND
3V3
Use ADuM1201 for UART (Default)
for I2C only
4.7 kR 520
E MPT Y4.7 kR 521
E MPT Y
Use ADuM1250 forI2C
3V3 3V3
3V3F 3V3F
5 V 3V3
R552
Install
R534R535
R532R533
R520R521
DNP
R552
Install
R534R535
R532R533
R520R521
R530R531
R551
R530R531
GP0
GP1
GP2
GP3Shield
GNDF
GNDF
Figure 4: EPC9528 USB interface schematic
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EPC9528 dsPIC33CK Controller Module
EPC would like to acknowledge Microchip Technology Inc. (www.microchip.com) for their support of this project.
Microchip Technology Incorporated is a leading provider of smart, connected and secure embedded control solutions. Its easy-to-use development tools and comprehensive product portfolio enable customers to create optimal designs, which reduce risk while lowering total system cost and time to market. The company’s solutions serve customers across the industrial, automotive, consumer, aerospace and defense, communications and computing markets.
The EPC9137 system features the dsPIC33CK256MP503 16-Bit Digital Signal Controller with High-Speed ADC, Op Amps, Comparators and High-Resolution PWM. Learn more at www.microchip.com.
EPC Products are distributed through Digi-Key.www.digikey.com
For More Information:
Please contact [email protected] your local sales representative
Visit our website: www.epc-co.com
Sign-up to receive EPC updates atbit.ly/EPCupdates or text “EPC” to 22828
Demonstration Board NotificationThe EPC9528 board is intended for product evaluation purposes only. It is not intended for commercial use nor is it FCC approved for resale. Replace components on the Evaluation Board only with those parts shown on the parts list (or Bill of Materials) in the Quick Start Guide. Contact an authorized EPC representative with any questions. This board is intended to be used by certified professionals, in a lab environment, following proper safety procedures. Use at your own risk. As an evaluation tool, this board is not designed for compliance with the European Union directive on electromagnetic compatibility or any other such directives or regulations. As board builds are at times subject to product availability, it is possible that boards may contain components or assembly materials that are not RoHS compliant. Efficient Power Conversion Corpora-tion (EPC) makes no guarantee that the purchased board is 100% RoHS compliant.The Evaluation board (or kit) is for demonstration purposes only and neither the Board nor this Quick Start Guide constitute a sales contract or create any kind of warranty, whether express or implied, as to the applications or products involved. Disclaimer: EPC reserves the right at any time, without notice, to make changes to any products described herein to improve reliability, function, or design. EPC does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, or other intellectual property whatsoever, nor the rights of others.
