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Std edition CN3058 LiFePO4 Power Board LS 5V

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License: CC-BY-SA 3.0

Published Time: 2022-02-04 22:03:40
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Description

Single cell LiFePO4 charger (CN3058E), protector (HY2112) and 5V booster (MT3608) board with load sharing power path management.

The board was developed for 5V projects that are operated both by battery and external power. The load sharing system interrupts the connection between the battery and the load when an external power supply is connected. In this case, the project is powered by the external power supply while the battery is being charged. This protects the battery and increases its lifespan. The maximum output current is 1A.

IMG_20200717_181618_x.jpg

design drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 Connector VIN,VOUT,BAT1 HDR-1X2/2.54 3
2 HY2112 U2 SOT-23-6 1
3 FULL LED2 LED0603 1
4 22uH L1 IND-SMD_L7.3-W6.8 1
5 POWER OUT USB2 USB-2.0-A-F-90-JCJ-H9.36 1
6 DMP1045U-7 Q2 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 1
7 15k R6 0603 1
8 2k R4,R7 0603 2
9 1k2 R2 0603 1
10 1k R1 0603 1
11 100R R3 0603 1
12 CN3058E U1 SOP-8_EP_150MIL 1
13 POWER IN USB1 USB PWR CONNECTOR 1
14 MT3608 U3 SOT-23-6 1
15 Slide Switch PWR SLIDE SWITCH DPDT 1P2T 1
16 10k R5 0603 1
17 100n C3 0603 1
18 10u C2 0603 1
19 1u C1 0603 1
20 CHARGE LED1 LED0603 1
21 22u C4,C5 1206 2
22 SS34 D2,D1 DIODE-SMA(DO-214AC) 2
23 FS8205 Q1 SOT-23-6 1

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