DroneCore.Power-Connector-description-and-pins-assignment.md

Board to board top connector

-board supplies B2B connector with VDD_MAIN_SWITCHED which is VDD_MAIN controlled by MCU on the board

pin	function	pin	function
1	reserved	41	reserved
2	reserved	42	reserved
3	UART1_RX	43	I2C1_SDA
4	UART1_TX	44	I2C1_SCL
5	CAN_L_2	45	AUX_BAT_V
6	CAN_H_2	46	AUX_BAT_A
7	5V_BACKUP	47	5V_BACKUP
8	5V_BACKUP	48	5V_BACKUP
9	5V_BACKUP	49	5V_BACKUP
10	5V_BACKUP	50	5V_BACKUP
11	5V_BACKUP	51	5V_BACKUP
12	5V_BACKUP	52	5V_BACKUP
13	GND	53	GND
14	GND	54	GND
15	GND	55	GND
16	GND	56	GND
17	GND	57	GND
18	GND	58	GND
19	GND	59	GND
22	GND	60	GND
21	GND	61	GND
22	GND	62	GND
23	GND	63	GND
24	GND	64	GND
25	GND	65	GND
26	GND	66	GND
27	GND	67	GND
28	5V_EXTERN	68	5V_EXTERN
29	5V_EXTERN	69	5V_EXTERN
30	5V_EXTERN	70	5V_EXTERN
31	5V_EXTERN	71	5V_EXTERN
32	5V_EXTERN	72	5V_EXTERN
33	5V_EXTERN	73	5V_EXTERN
34	5V_EXTERN	74	5V_EXTERN
35	VDD_MAIN_SWITCHED	75	VDD_MAIN_SWITCHED
36	VDD_MAIN_SWITCHED	76	VDD_MAIN_SWITCHED
37	VDD_MAIN_SWITCHED	77	VDD_MAIN_SWITCHED
38	VDD_MAIN_SWITCHED	78	VDD_MAIN_SWITCHED
39	VDD_MAIN_SWITCHED	79	VDD_MAIN_SWITCHED
40	VDD_MAIN_SWITCHED	80	VDD_MAIN_SWITCHED

Top side connectors

 

CONFIG

• matching connector JST GHR-03V-S

pin	function
1	GND
2	NC
3	COM

EXT. BUTTON

• matching connector JST GHR-03V-S

pin	function
1	3V3
2	BUTTON
3	GND

EXT. CAN

• matching connector JST GHR-04V-S
• solder SB3(solder bridge) to power this connector with 5V

pin	function
1	GND
2	CAN N
3	CAN_P
4	5V

LED FRONT L, LED FRONT R, LED BACK L, LED BACK R, LED ADD

• matching connector JST GHR-03V-S
• sum of current of all led channels on 5V line is limited to 2.5A

pin	function
1	5V
2	PWM
3	GND

Bottom side connectors

 

BAT CELLS

• matching connector JST GHR-06V-S

pin	function
1	CELL6
2	CELL5
3	CELL4
4	CELL3
5	CELL2
6	CELL1

BMS I2C

• matching connector JST GHR-04V-S

pin	function
1	GND
2	I2C_SDA
3	I2C_SCL
4	3V3