Battery Balancing PCB Layout Rev. 2

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STD Battery Balancing PCB Layout Rev. 2

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Update time： 2019-02-08 04:09:10

Creation time： 2018-10-18 15:07:39

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Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity	Mounted
1	1N4448	D1,D2,D3,D4	D_0603	4	Yes
2	BJT1	BJT1	TO-92(TO-92-3)	1	Yes	undefined
3	1k	R7,R8,R10,R9	R0603	4	Yes
4	BJT2	BJT2	TO-92(TO-92-3)	1	Yes	undefined
5	8Mohm	R1,R3	R0603	2	Yes
6	470 kohm	R2	R0603	1	Yes
7	1Mohm	R4	R0603	1	Yes
8	ERelay	RELAY1,RELAY2,RELAY4,RELAY3	SLA-12VDC-SL-A_5P	4	Yes
9	BJT4	BJT4	TO-92(TO-92-3)	1	Yes	undefined
10	BJT3	BJT3	TO-92(TO-92-3)	1	Yes	undefined
11	Microcontroller	MC	MICROCONTROLLER	1	Yes	C9135
12	1u	C1,C2	C0603	2	Yes
13	Motor	MOTOR	CONNECTOR	1	Yes	C49661
14	12-24V External Source	VDC2	24VCONNECTOR	1	Yes	C49661
15	Battery 2	BAT2	CONNECTOR	1	Yes	C49661
16	Battery 1	BAT1	CONNECTOR	1	Yes	C49661
17	Pwr Resistor	R6,R5	CONNECTOR	2	Yes	C49661
18	L7812ABV	U1	TO-220(TO-220-3)	1	Yes	C16807
19	VAC_Coil	VDC3	CONNECTOR	1	Yes	C49661
20	1u	C3,C4,C5,C6,C7	RAD-0.1	5	Yes
21	MBR0520LT1G	D5,D6,D7,D8,D9	SOD-123	5	Yes	C23848
22	1m	L1,L2,L3	AXIAL-0.4	3	Yes
23	2N7000	Q1	TO-92(TO-92-3)	1	Yes	C9114