Li ion charger with protection
About the Li ion charger with protection PCB
Li ion charger with protection is an open source PCB design by SolderedElectronics, published on GitHub under the TAPR-OHL-1.0 license. It is a 2-layer board measuring 38 × 22 mm, with 32 components from 20 distinct parts.
Other key parts include the TP4056M, DW01 (C686633) and FS8205A. By type, the board carries 9 relays, 8 resistors, 3 ICs, 3 jumpers, 3 capacitors and 2 diodes.
It belongs with the power & battery designs in this gallery.
From the project
Hardware design, BOM, gerbers and 3D files for Li-ion-charger-with-protection designed by Soldered Electronics.
Lithium batteries are charged differently than regular batteries and devices. You’ll need a li-ion charger like this one to charge them. Integrated with the CC/CV charging technology, it is the simplest way to charge a lithium-ion battery. Protection activated in cases of undervoltage, overvoltage and short circuit, which is enough protection for most batteries.
Main components on the Li ion charger with protection
Li ion charger with protection bill of materials (BOM)
32 components, 20 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TP4056M | TP4056M-MSOP8 | U1 |
| 1 | DW01 (C686633) | Sot23-6 | U2 |
| 1 | FS8205A | TSSOP8 | U3 |
| 4 | HOLE_3.2mm | HOLE_3.2mm | H1, H2, H3, H4 |
| 1 | SMD_JUMPER | SMD_JUMPER | JP1 |
| 1 | SMD-JUMPER-CONNECTED | SMD_JUMPER_CONNECTED | JP2 |
| 1 | SMD-JUMPER-CONNECTED_TRACE_SLODERMASK | SMD-JUMPER-CONNECTED_TRACE_SLODERMASK | JP3 |
| 1 | U262-161N-4BVC11 | U262-161N-4BVC11 | K1 |
| 7 | HEADER_MALE_1X1 | HEADER_MALE_1X1 | K2, K3, K4, K5, K6, K8, K9 |
| 1 | JST-2pin-SMD | JST-2pin-SMD | K7 |
| 1 | purple | 0402LED | D1 |
| 1 | red | 0402LED | D2 |
| 2 | 2u2 | 0603C | C1, C2 |
| 1 | 100n | 0603C | C3 |
| 2 | 5k1 | 0603R | R1, R2 |
| 2 | 2k2 | 0402R | R3, R6 |
| 1 | 4k7 | 0603R | R4 |
| 1 | 2k49 | 0603R | R5 |
| 1 | 1k | 0603R | R7 |
| 1 | 100R | 0603R | R8 |
Li ion charger with protection design files
The KiCad project lives in the SolderedElectronics/Li-ion-charger-with-protection-hardware-design repository on GitHub; these links point at the commit this page was built from.
Li ion charger with protection: common questions
How big is the Li ion charger with protection PCB?
The Li ion charger with protection measures 38 × 22 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Li ion charger with protection?
32 components, from 20 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Li ion charger with protection design files?
From the SolderedElectronics/Li-ion-charger-with-protection-hardware-design repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Li ion charger with protection design in my own project?
Yes, under the terms of its TAPR-OHL-1.0 license, which SolderedElectronics chose for the repository.
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