HX-2S-JH20 V1.0 - Chinese BMS Circuit copy

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STD HX-2S-JH20 V1.0 - Chinese BMS Circuit copy

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Update time： 2022-01-31 20:59:24

Creation time： 2019-10-19 01:54:12

Description

Replicating the circuit of HX-2S-JH20 BMS for education purpose. This PCB or schematic will have error and flaws and has not been tested. Edit, Use and recreate it at your own risks.

Design Drawing

schematic diagram

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Sheet_1 copy
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PCB

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HX-S2-JH20 V1.0 copy
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HX-2S-JH20 V1.0 BMS Li-Pol Balanced
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	HY2120CB	U1	SOT-23-6	1
2	HY2213-BB3A	U2,U3	SOT-23-6	2
3	AOD514	Q3,Q4,Q8,Q9	TO252 - D514	4
4	SI2302	Q5,Q6	SOT-23(SOT-23-3)	2
5	MMBT3904LT1G	Q7	SOT-23(SOT-23-3)	1
6	1SMA5924BT3G	D1	SMA(DO-214AC)	1
7	62	R12,R13	2512	2
8	0.005	R14,R15	2512	2
9	B+	B+	BATTERY PAD	1
10	B-	B-	BATTERY PAD	1
11	BM	BM	BATTERY PAD	1
12	330	R1,R2	0603	2
13	100nF	C1,C2,C7,C3	0603	4
14	P-	U4	BATTERY PAD	1
15	P+	U5	BATTERY PAD	1
16	2K	R16	0603	1
17	100	R3,R4	0603	2
18	5.1K	R5	0603	1
19	10K	R6	0603	1
20	1N4148WT	D2	SOD-523	1
21	100nF?	C4,C5	0603	2