
SparkFun's Battery Babysitter board outline: 33.02 by 33.02 mm with 8 plated holes, traced from the Eagle board file SparkFun publish for product 13777, with the component bodies eagleUp rendered on it.
One of the Battery Charger family.
- Made by
SparkFun
- SKU
- 13777
- Kind
- Circuit board (PCB)
- Licence
- CC-BY-SA-4.0
- Keywords
- babysitter, battery, board, pcb, sparkfun, lipo, li-po, charger, fuel gauge, bq27441, i2c
| Overall size (X × Y × Z) | 33.1 × 33.4 × 7.2 mm |
|---|---|
| PCB size | 33 × 33 mm |
| PCB thickness | 1.6 mm |
| Mounting holes | 4 × Ø3.3 mm |
| Through-hole pads | 30 |
| Components | 26 |
| Function | LiPo charger and fuel gauge |
| Form factor | board |
| Chip | BQ24075, BQ27441-G1A |
| USB connector | Micro-B |
| Interface | I2C |
| Supply voltage | 4.35-6.4 V |
| Output | 3-5.5 V |
| Current | 100 mA, 500 mA or 1.5 A charge, DIP-switch selectable |
| Qty | Part | Value | References | Datasheet |
|---|---|---|---|---|
| × 4 | SMD Resistor0603 | 10K | R2, R15, R16, R17 | RC_L series datasheet (Yageo) |
| × 2 | SMD Capacitor0805 | 10uF | C2, C3 | X7R SMD MLCC series datasheet (KEMET) |
| × 2 | SMD Resistor0603 | 4.7K | R13, R14 | RC_L series datasheet (Yageo) |
| × 2 | SMD Resistor0603 | 100k | R8, R12 | RC_L series datasheet (Yageo) |
| × 1 | QFN / DFNQFN-16 3x3 P0.5 | BQ24075 | U1 | BQ24075 datasheet (Texas Instruments) |
| × 1 | QFN / DFNSON-12 2.5x4 P0.4 | BQ27441-G1 | U2 | BQ27441-G1 datasheet (Texas Instruments) |
| × 1 | SMD Capacitor0603 | 0.47uF | C4 | X7R SMD MLCC series datasheet (KEMET) |
| × 1 | SMD Capacitor1206 | 1.0uF | C1 | X7R SMD MLCC series datasheet (KEMET) |
| × 1 | SMD Capacitor0603 | 1.0uF | C5 | X7R SMD MLCC series datasheet (KEMET) |
| × 1 | SMD DIP SwitchCopal CHS-02B | SW_DIP-2_SMD | S2 | CHS-02B datasheet (Nidec Components) |
| × 1 | SMD LED0603 · blue | BLUE | D1 | |
| × 1 | SMD LED0603 · red | RED | D2 | |
| × 1 | SMD Resistor1206 | 0.01 | R11 | RC_L series datasheet (Yageo) |
| × 1 | SMD Resistor0603 | 1.1k | R7 | RC_L series datasheet (Yageo) |
| × 1 | SMD Resistor0603 | 1K | R10 | RC_L series datasheet (Yageo) |
| × 1 | SMD Resistor0603 | 180 | R9 | RC_L series datasheet (Yageo) |
| × 1 | SMD Resistor0603 | 590 | R5 | RC_L series datasheet (Yageo) |
| × 1 | SMD Slide SwitchPCM12 | RIGHT_ANGLE_SLIDE_SWITCH_SMD | S1 | |
| × 1 | USB ReceptacleMicro-B | USB-AB-MICRO-SMD_V03 | JP1 | |
| × 1 | Wire-to-Board ConnectorPH SMD side entry · 2 | JP6 | JST PH datasheet (JST) |
Variations
Micro Lipo Charger USB-CAdafruit
PowerBoost 1000CAdafruit
PowerBoost 1000C with Terminal BlockAdafruit
PowerBoost 1000C with Bare Output PadsAdafruit
SparkFun LiPo Charger Basic microUSBSparkFun
SparkFun LiPo Charger Basic miniUSBSparkFun
SparkFun USB LiPoly Charger Single CellSparkFun
SparkFun Battery BlockSparkFun
SparkFun Battery BabysitterSparkFun


