• Description

SparkFun Battery Babysitter - LiPo Battery

The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager. It’s half battery charger, half battery monitor, and all you’ll ever need to keep your battery-powered project running safely and extensively.

The Battery Babysitter features a pair of Texas Instruments LiPo-management ICs: a BQ24075 battery charger and a BQ27441-G1A fuel gauge. The charger supports adjustable charge rates of up to 1.5A, as well as USB-compliant 100mA and 500mA options. It also features power-path management, guaranteeing power to your project even if the battery has died. The self-calibrating, I2C-based BQ27441-G1A measures your battery’s voltage to estimate its charge percentage and remaining capacity. It’s also hooked up to a current-sensing resistor, which allows it to measure current and power! It’s a handy IC to have, if you ever need to keep an extra eye on your project’s power draw.

Product Video

Quick Spec

• LiPo Charger and LiPo Fuel Gauge combined into one board
• DIP-switch-selectable charge rates of 100mA, 500mA or 1.5A
• MicroUSB port for charging, or external options
• Dynamic power-path managment maintains a reliable output supply
• On/Off switch disconnects the battery for more power saving
• 5V-tolerant I2C interface to fuel gauge
• Fuel gauge measures voltage, percentage, and current

Board Layout

Resources

• Product Page
• Schematic
• Hookup Guide
• BQ24075 Charger Datasheet
• BQ27441-G1 Fuel Gauge Datasheet
• Arduino Library
• GitHub

Shipping List

• 1 x SparkFun Battery Babysitter - LiPo Battery

SparkFun Battery Babysitter - LiPo Battery

• Brand: Sparkfun
• Product Code: PRT-13777
• Product Status : Active

Stock

Warehouse	Stock Status	Location
Centurion	Limited Stock	F41
Stellenbosch	Limited Stock	L24
Bulk Location	No Stock

We ship free of charge between branches to complete your order.

• R384.00 (Inc Tax: R441.60)