Texas Instruments

BQ29412DCTR  

Battery Management ICs

The BQ29412DCTR is a highly integrated, multi-chemistry battery gas gauge from Texas Instruments (TI). It is designed to provide accurate and reliable monitoring of battery status in various applications, such as smartphones, tablets, laptops, and wearable devices.

Description:

The BQ29412DCTR is a compact, low-power gas gauge that uses a coulomb counting method to measure battery capacity and state of charge (SoC). It supports multiple battery chemistries, including lithium-ion (Li-ion), lithium-polymer (Li-Po), and lithium-ion iron phosphate (LiFePO4). The device is available in a 20-pin, 3mm x 3mm WQFN package.

Features:

1. Multi-chemistry support: Compatible with Li-ion, Li-Po, and LiFePO4 batteries.
2. High accuracy: ±5% accuracy in measuring battery capacity and state of charge.
3. Low power consumption: Sleep mode and power-saving features help extend the life of the host battery.
4. I2C and SPI communication interfaces: Enable easy integration with various microcontrollers and systems.
5. Temperature compensation: Accurate measurements across a wide temperature range (-40°C to +85°C).
6. Small form factor: 20-pin, 3mm x 3mm WQFN package for space-constrained applications.
7. Over-discharge and over-charge protection: Safeguards the battery from damage due to over-discharge or over-charge conditions.
8. Programmable alarms: User-configurable alarms for low and high voltage, over-current, and temperature limits.
9. Integrated fuel gauge: Provides real-time information about the battery's state of charge, remaining capacity, and time-to-empty.

Applications:

1. Smartphones and tablets: Accurate battery monitoring and protection against over-discharge and over-charge.
2. Laptops and ultrabooks: Real-time battery status information and protection for extended battery life.
3. Wearable devices: Compact form factor and low power consumption make it suitable for smartwatches, fitness trackers, and other wearable electronics.
4. Portable medical devices: Reliable battery monitoring and protection for portable medical equipment, such as glucose monitors and defibrillators.
5. Power banks and energy harvesting systems: Accurate measurement of stored energy and efficient power management.

The BQ29412DCTR is a versatile and reliable solution for battery monitoring and management in a wide range of applications, providing accurate and real-time information about the battery's state of charge and capacity.

BQ29412DCTR Documents

Download datasheets and manufacturer documentation for BQ29412DCTR

Datasheets :

BQ29410-15, 19      

HTML Datasheet :

BQ29410-15, 19