TI BQ27426YZFR

电池监控器锂离子-40°C ~ 85°C（TA）

Overview

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Battery fuel gauging with the BQ27426 fuel gauge requires connections only to PACK+ (P+)and PACK– (P–) for a removable battery pack or embedded battery circuit. The tiny, 9-ball, 1.62 mmx 1.58 mm, 0.5 mm pitch NanoFree? chip scale package (DSBGA) isideal for space-constrained applications.

Features

Single-cell li-ion battery fuel gauge

  -Resides on system board

  -Supports embedded or removable batteries

  -Powers directly from the battery with integrated LDO

  -Supports a low-value external sense resistor (10 m?)

Ultra-low power consumption in NORMAL (50 μA) and SLEEP (9 μA) modes

Battery fuel gauging based on patented Impedance Track? technology

400-kHz I2C serial interface

Configurable SOC interrupt or battery low digital output warning

Internal temperature sensor or host reported temperature or external thermistor

Applications

Smartphones, feature phones, and tablets

Wearables

Building automation

Portable medical/industrial handsets

Portable audio

Gaming