WM320 Gimbal driver roll - randomlettersandnumbers/DJI-Stuff GitHub Wiki
Table of Contents
Function
Variants
Parts
Programming
External interfaces
Service interfaces
Board view
Schematics
Function
The Gimbal Driver Roll board contains ICs to drive the Roll Motor.
Variants
Boards for P3X start from V3, as older versions were for P2V. Each roll board variant has a corresponding pitch board variant.
| Marking | Overview |
|---|---|
| Driver Roll V2 | Phantom 2 Vision+ |
| Driver Roll V3 | Phantom 3 Pro/Adv early |
| P00953.04 | Phantom 3 Pro/Adv update 1 |
| P00953.05 | Phantom 3 Pro/Adv update 2 |
Parts
Version Driver Roll V? components
| Marking | Amt. | Pkg. | Function | Specification |
|---|---|---|---|---|
| HV232Q 4CM ACVS G4 | 1 | 3.3V CAN transciever | datasheet | |
| AEKF | 1 | |||
| RC43 | 1 | |||
| MPFA 3606 967 | 1 | |||
| T120 MeMo | 1 | Quartz oscillator, 12 MHz | ||
| ADEF 044 | 3 | MP1907GQ QFN10; 100V, 2.5A, High Frequency Half-bridge Gate Driver | description | |
| 7804 GV5K18 | 3 | AON7804 30V Dual N-Channel MOSFET; motor control transistors | datasheet | |
| DSPIC33 EP32 MC504 15095 | 1 | digital signal controller; 70 MIPS core with integrated DSP and enhanced on-chip peripherals; 44/VTLA package; motor control MCU | description | |
| pot-3 | 1 | RDC506002A potentiometer; used for sensing arm position | description |
Version P00953.0? components
| Marking | Amt. | Pkg. | Function | Specification |
|---|---|---|---|---|
| HV232Q 57D ABD5 G4 | 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 roll control; reads roll 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; supplies 12V power and CAN bus connection |
Service interfaces
The following service pads exist on this board:
| Marking | Overview |
|---|---|
| PGND | |
| A | |
| B | |
| C | |
| 12V | |
| 5V | |
| 3V3 | |
| CAN_H | |
| CAN_L | |
| PGEC | |
| PGED | |
| CLT | |
| HSA1 | |
| HSA2 | |
| HSA3 | |
| GND |
Board view
Top of a Driver Roll V3 board:
Bottom of the Driver Roll V3 board:
Top of a second Driver Roll V3 board:
Bottom of the Driver Roll V3 board:
Top of a third Driver Roll V3 board:
Bottom of the third Driver Roll V3 board:
Top of a P00953.04 board:
Bottom of the P00953.04 board:
Top of a second P00953.04 board:
Bottom of the P00953.04 board:
View on the P00953.04 clean PCB (without components):
Top of the P00953.05 board:
Schematics
The following schematics were made by enthusiasts: