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TP4056 - Lithium Battery Charger with 3.3V OUT and protection

2 years ago 2109
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TP4056 lithium battery charger with a switchable output between 3.3v and 4.2v (Battery volage).

The LDO only draws 50uA (instead of others which are normaly used in Arduinos and so on with around 10mA), so the battery will last much longer. I build this to run my NodeMCU directly via 3v3 PIN instead of VIN. VIN or USB goaes via the onboard LDO which is a pretty bad one, it draws around 10mA for the conversion.

Only downside of the LDO on this boaord is the drop-out-voltage which drops down at cirtain point depending on the current draw. Next version will get a bypass, when the dropout is reached it will automatically switch to the batery output.



TP4056 - 03962A Lithium Battery Charger copy


TP4056 - 03962A Lithium Battery Charger with sense


ID Name Designator Footprint Quantity Manufacturer Part Mounted
1 TP4056 U1,U1 SOP-8_EP_150MIL 2 TP4056 Yes
2 1KΩ R1,R2,R6,R1,R2,R6 0603 6 RC0603FR-071KL Yes
3 1.2KΩ(122) R3,R3 0603 2 RCT021K2JLF Yes
4 DW01A-G U2,U2 SOT-23-6 2 DW01A-G Yes
5 100Ω(100R) R4,R4 0603 2 RK73H1JTTD1000F Yes
6 micro 5PBoard5.9 USB2,USB2 MICRO-USB-1 2 micro 5PBoard5.9 Yes
7 Pad 01 IN+,IN+ CON_PAD_SQUARE_32MIL 2 ? Yes
8 Pad 02 IN-,IN- CON_PAD_SQUARE_32MIL 2 ? Yes
9 Pad 06 OUT-,OUT- CON_PAD_SQUARE_32MIL 2 ? Yes
10 Pad 05 BAT-,BAT- CON_PAD_SQUARE_32MIL 2 ? Yes
11 Pad 04 BAT+,BAT+ CON_PAD_SQUARE_32MIL 2 ? Yes
12 AP2112K-3.3TRG1 U3,U3 SOT-25 2 AP2112K-3.3TRG1 Yes
13 Pad 07 OUT+,OUT+ CON_PAD_SQUARE_32MIL 2 ? Yes
14 HQ19-2232BGC LED1,LED1 LED-0603_X2 2 HQ19-2232BGC Yes
15 100nF C4,C2,C4,C2 0603 4 CL10B104JB8NNNC Yes
16 10uF C3,C3 0603 2 CL10A106MO8NQNC Yes
17 SC12P-AVR SW1,SW1 SC12P-AVR 2 SC12P-AVR Yes
18 FS8205A Q1,Q1 TSSOP-8_3X4.4X065P 2 FS8205A Yes
19 TPS3780BQDBVRQ1 U4,U4 SOT-23-6 2 TPS3780BQDBVRQ1 Yes
20 4.7KΩ R5 0201 1 0201WMF4701TCE Yes
21 10KΩ R7 0805 1 0805W8F1002T5E Yes
22 Pad 08 SENS CON_PAD_SQUARE_32MIL 1 ? Yes
23 MMBT2222A Q2 SOT-23(SOT-23-3) 1 MMBT2222A Yes
24 Pad 09 ACT CON_PAD_SQUARE_32MIL 1 ? Yes
25 100KΩ R8 0402 1 0402WGF1003TCE Yes


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Comments (1)

Arun karan Reply

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