2sBatteryCharger
jsjolund·sailoraid·Hardware/Gasgauge/2sBatteryCharger.kicad_pcb
About the 2sBatteryCharger PCB
2sBatteryCharger is an open source PCB design by jsjolund, published on GitHub. It is a 2-layer board measuring 85 × 50.5 mm, with 83 components from 56 distinct parts.
Other key parts include the bq24133, bq28z610 and LM2596. By type, the board carries 16 resistors, 12 capacitors, 4 connectors, 3 ICs, 3 transistors and 3 diodes.
It belongs with the sensors designs in this gallery.
From the project
Sensor package for the Laser Pico sail boat
BlueNRG (Old Bluetooth module) Datasheet

Main components on the 2sBatteryCharger
2sBatteryCharger bill of materials (BOM)
83 components, 56 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | bq24133 | VQFN-24_5.5x3.5mm_Pitch0.5mm | U1 |
| 1 | bq28z610 | Texas_S-PDSO-N12 | U2 |
| 1 | LM2596 | TO-263-5_TabPin3 | U3 |
| 2 | CSD16412Q5A | TDSON-8-1 | Q1, Q2 |
| 1 | PMOS | SOT-23 | Q3 |
| 1 | Battery | JST_XH_S04B-XH-A_04x2.50mm_Angled | J1 |
| 1 | ACadapter | JST_XH_S02B-XH-A_02x2.50mm_Angled | J2 |
| 1 | Power | JST_XH_S02B-XH-A_02x2.50mm_Angled | J3 |
| 1 | SCL/SDA | JST_XH_S02B-XH-A_02x2.50mm_Angled | J4 |
| 1 | 2.2u | C_1206 | Cin1 |
| 8 | 0.1u | C_0603 | Cz1, Cz2, Cz3, Cz4, Cz5, Cz6, Cz8, Cz9 |
| 1 | 2.2u | C_0603 | Cz7 |
| 1 | 1u | C_0805_HandSoldering | Cz10 |
| 1 | 680uF | CP_Elec_8x10 | Cz11 |
| 1 | 220uF | CP_Elec_6.3x5.8 | Cz12 |
| 1 | DZ1 | D_SOD-323F | Dz1 |
| 1 | DZ2 | D_SOD-323F | Dz2 |
| 1 | 1N5824 | D_5W_P10.16mm_Horizontal | Dz3 |
| 1 | Fuse | Fuseholder5x20_horiz_open_lateral_Type-II | F1 |
| 1 | 33uH | L_12x12mm_h8mm | Lz1 |
Show 36 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 2N7002 | SOT-23 | Qz1 |
| 2 | CSD16412Q5A | TDSON-8-1_HandSoldering | Qz2, Qz3 |
| 1 | 103AT | R_Axial_DIN0309_L9.0mm_D3.2mm_P2.54mm_Vertical | RT1 |
| 1 | 20m | R_2512 | Rac1 |
| 1 | 2 | R_2010 | Rin1 |
| 1 | 10m | R_2512 | Rsr1 |
| 6 | 100 | R_0603 | Rz1, Rz2, Rz3, Rz5, Rz6, Rz7 |
| 1 | 1-3m | R_2512 | Rz4 |
| 1 | 10k | R_0603 | Rz8 |
| 2 | 10M | R_0603 | Rz9, Rz14 |
| 1 | 10 | R_0603 | Rz10 |
| 2 | 5.1k | R_0603 | Rz11, Rz15 |
| 1 | 100 | R_2512 | Rz12 |
| 1 | 5 | R_2512 | Rz13 |
| 1 | NTC | R_Axial_DIN0309_L9.0mm_D3.2mm_P2.54mm_Vertical | TH1 |
| 1 | D1 | D_SOD-323F | D1 |
| 1 | D2 | D_SOD-323F | D2 |
| 1 | LED | LED_D3.0mm | D3 |
| 1 | 3.3u | L_7.3x7.3_H3.5 | L1 |
| 1 | 1u | C_0805 | C1 |
| 5 | 100n | C_0603 | C2, C3, C5, C7, C12 |
| 1 | 10u | C_1206 | C4 |
| 2 | 1u | C_0603 | C6, C11 |
| 2 | 10u | C_1210 | C8, C9 |
| 1 | 47n | C_0603 | C10 |
| 1 | 10 | R_1206 | R1 |
| 1 | 5.23k | R_0603 | R2 |
| 1 | 30.1k | R_0603 | R3 |
| 2 | 4.02k | R_0603 | R4, R6 |
| 1 | 1.5k | R_0603 | R5 |
| 1 | 232k | R_0603 | R7 |
| 2 | 32.4k | R_0603 | R8, R13 |
| 1 | 1k | R_0603 | R9 |
| 4 | 100k | R_0603 | R10, R11, R12, R15 |
| 1 | 1M | R_0603 | R14 |
| 1 | 0 | R_0603 | R16 |
2sBatteryCharger design files
The KiCad project lives in the jsjolund/sailoraid repository on GitHub; these links point at the commit this page was built from.
2sBatteryCharger: common questions
How big is the 2sBatteryCharger PCB?
The 2sBatteryCharger measures 85 × 50.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 2sBatteryCharger?
83 components, from 56 distinct parts. The full bill of materials is listed on this page.
Where can I download the 2sBatteryCharger design files?
From the jsjolund/sailoraid repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the 2sBatteryCharger design in my own project?
The repository has no license, so all rights stay with jsjolund. Use it as a reference, and ask the author before reusing the design.
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