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STD TPS61089 18650 protect and boost 6.2V/2A

License: CC-BY-NC-SA 3.0

Mode: Editors' pick

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Update time: 2023-01-16 16:31:02
Creation time: 2020-12-28 10:27:11
Description

Inspired by https://oshwlab.com/wagiminator/tp4056-lipo-charger-protector-power-booster_copy

Design Drawing
schematic diagram
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ID Name Designator Footprint Quantity
1 MY-18650-01 BT+,BT- BAT-TH_MY-18650-01 2
2 100n C1,C3,CBST,CIN1 C0603 4
3 10u C2 C0603 1
4 470pF CCOMP C0805 1
5 20pF CCOMP1 C0603 1
6 47uF CIN2,CIN3,CIN4,COUT1,COUT2,COUT3 C1210 6
7 10uF CVCC C0603 1
8 560nH L1 IND-SMD_L5.4-W5.2_0518CDMCCDS 1
9 CHG LED1 LED-SMD_L1.7-W0.6-RD 1
10 FULL LED2 LED-SMD_L1.7-W0.6-RD 1
11 LOW LED3 LED-SMD_L1.7-W0.6-RD 1
12 PWR LED4 LED-SMD_L1.7-W0.6-RD 1
13 FS8205 Q2,Q3 SOT-23-6 2
14 1k R1,R2,R4,R6,R7,R8 R0603 6
15 1k1 R3 R0603 1
16 100R R5 R0603 1
17 5k1 R9,R10 R0603 2
18 56.2k RCOMP R0603 1
19 88.7k RFBB R0603 1
20 365k RFBT R0603 1
21 110k RLIM R0603 1
22 301k RT R0603 1
23 K3-1296S-E2 SW1 SW-SMD_K3-1296S-E2 1
24 TP4056 U1 ESOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP 1
25 FS312F-G U2 SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR 1
26 TPS61089 U3 VQFN-HR_L2.5-W2.0-P0.50-TL-EP 1
27 HT7033A-1 U4 SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR 1
28 TYPE-C-31-M-17 USB1 USB-C-SMD_10P-P1.00-L6.8-W8.9 1
29 5 VIN HDR1X2 1
30 Connector VOUT HDR-TH_2P-P2.54-V-F 1

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