WM320 Gimbal driver pitch - randomlettersandnumbers/DJI-Stuff GitHub Wiki
Table of Contents
Function
Variants
Parts
Programming
External interfaces
Service interfaces
Board view
Schematics
Function
The Gimbal Driver Pitch board contains ICs to drive the Pitch Motor.
Variants
Boards for P3X start from V3. Each pitch board variant has a corresponding roll board variant.
| Marking | Overview |
|---|---|
| Driver Pitch V3 | Phantom 3 Pro/Adv early |
| Driver Pitch V4 | Phantom 3 Pro/Adv update 1 |
| P00954.05 | Phantom 3 Pro/Adv update 2 |
Parts
Version Driver Pitch V? components
| Marking | Amt. | Pkg. | Function | Specification |
|---|---|---|---|---|
| HV232Q 4CM ACVS G4 | 1 | 3.3V CAN transciever | datasheet | |
| AEKF | 1 | |||
| MPFA 3806 | 1 | |||
| ADEF 329 | 3 | MP1907GQ QFN10; 100V, 2.5A, High Frequency Half-bridge Gate Driver | description | |
| 7804 | 3 | AON7804 30V Dual N-Channel MOSFET | datasheet | |
| DSPIC33 EP128 MC504 ? | 1 | digital signal controller; 70 MIPS core with integrated DSP and enhanced on-chip peripherals; motor control MCU | description | |
| pot-3 | 1 | RDC506002A potentiometer; used for sensing arm position | description |
Version P00954.05 components
| Marking | Amt. | Pkg. | Function | Specification |
|---|---|---|---|---|
| HV232Q 4CM | 1 | 3.3V CAN transciever | datasheet | |
| DRV8313 571C AQKP | 1 | 2.5A Three Phase Brushless DC Motor Driver (PWM Ctrl) | description | |
| T120 | 1 | Quartz oscillator, 12 MHz |
Programming
| Chips | Firmware | Description |
|---|---|---|
| DSPIC33 | [gimbal arm Firmware](/randomlettersandnumbers/DJI-Stuff/wiki/Firmware-DSPIC33-gimbal-arm) | Gimbal pitch control; reads pitch arm position potentiometer and supplies control signal to the motor driver circuit. Pre-programmed and not included in firmware updates. |
External interfaces
There are two connectors on the board:
| Marking | Overview |
|---|---|
| 14-pin FFC con. | Flex flat cable connector |
| 10-pin FFC con. | Flex flat cable connector |
Service interfaces
The service pads marking and placement is identical to the Gimbal driver roll board.
Board view
Top of a Driver Pitch V4 board:
Bottom of the Driver Pitch V4 board:
Bottom of another Driver Pitch V4 board:
Bottom of a P00954.05 board:
View on the P00954.05 clean PCB (without components):
Schematics
The following schematics were made by enthusiasts: