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RODYNE EV Motor Controller daughter MCU and resolver

3 months ago 114
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Description

Fits on the RODYNE Motor Controller Motherboard.

Dauughter board is seperated from motherboard to allow different MCU and Resolvers to be made if required.

The above project uses a Microchip 100Mhz dsPIC which has several well documented designs for motor control and the Texas Instruments PGA411 Resolver which interfaces the more common magnetic resolver found on the Nissan Leaf and many of the more common EV Motors and converts it to a Quadrature encoder signal which the dsPIC can directly process.

I will be working on the code for the MCU over the coming years and will post updates on my web site

Feel Free to substitute your favourite MCU :-)

Note this is the second revision with corrected pin dimensions and spacings.

Usual disclaimer. This is public domain and while every effort has been made to ensure the circuit is accurate, mistakes may occur and it is up to the system builder to ensure it works, refer to the dsPIC and PGA411 datasheets and reference designs (below) for information on operation.

http://ww1.microchip.com/downloads/en/DeviceDoc/dsPIC33CK256MP508-Family-Data-Sheet-DS70005349F.pdf http://ww1.microchip.com/downloads/en/DesignCenter/00896e.pdf http://ww1.microchip.com/downloads/en/AppNotes/00957a.pdf http://www.ti.com/lit/ds/symlink/pga411-q1.pdf http://www.ti.com/lit/df/tidrl31/tidrl31.pdf http://www.ti.com/lit/ug/tidubi2a/tidubi2a.pdf

Boz. July 2019

Documents

RODYNE EV Motor Controller Daughter Board Schematic

daughter board pcb

BOM

ID Name Designator Footprint Quantity
1 ICSP J1 1X05_LOCK 1
2 dsPIC33CK U1 MCHP-TQFP-PT80 1
3 22p C19,C20 C0805 2
4 8Mhz Q1 HC49UP 1
5 MCU-A P1 HDR-20X2/2.54 1
6 MCU-B P2 HDR-20X2/2.54 1
7 100nF C8,C5,C2,C1,C3,C4,C13,C12,C15,C14,C10,C18,C6,C7,C31,C25,C27 0805 17
8 56uH L1 606045(MM) 1
9 10uF C9,C11 1210 2
10 20MHz X1 SMD-3225_4P 1
11 15pF C16,C17 0805 2
12 68K R20,R15 0805 2
13 68pF C21,C28,C22,C29,C24,C23,C30,C26 0805 8
14 10K R9 0805 1
15 4.7K R1,R2,R4,R5,R6,R7,R8,R10,R11,R12,R3 0805 11
16 27K R16,R17,R21,R22,R18,R19,R23,R24 0805 8
17 51K R13,R14 0805 2
18 20K R25,R26 0805 2
19 SS34 D1,D2,D3,D4,D10,D12,D6,D8,D14,D9,D11,D5,D7,D13 SMAF 14
20 PGA411 Resolver-to-digital U2 HTQFP-64-EP-10X10MM (PGA411) 1
21 OSIN P3 HDR-1X1/2.54 1
22 OCOS P4 HDR-1X1/2.54 1
23 COMAFE P5 HDR-1X1/2.54 1
24 ORS P6 HDR-1X1/2.54 1
25 AOUT P7 HDR-1X1/2.54 1
26 AGND P8 HDR-1X1/2.54 1
27 0 R27 0402 1
28 120 RTERM1 R0805 1
29 SM712.TCT D15 SOT-23(SOT-23-3) 1
30 10Ω R28,R29 0805 2
31 SN65HVD1781DR U4 SOIC-8_150MIL 1
32 120Ω R30 R0805 1
33 MCP2562-E/SN U3 SOP-8_150MIL 1

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