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BQ27421YZFT-G1A

LiCoO2, Li-Ion Battery Fuel Gauge, Status Monitor, 2.45 V to 4.5 V supply, I2C interface, DSBGA-9

TEXAS INSTRUMENTS BQ27421YZFT-G1A

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Manufacturer Part No:
BQ27421YZFT-G1A
Order Code:
2347004

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Product Overview

The BQ27421YZFT-G1A is a system-side Fuel Gauge with integrated sense resistor. It is a minimally configured microcontroller peripheral that provides system-side fuel gauging for single-cell Li-ion batteries. The device requires very little user configuration and system microcontroller firmware development. The BQ27421-G1 fuel gauge uses the patented Impedance TrackTM algorithm for fuel gauging and provides information such as remaining battery capacity (mAh), state-of-charge (%) and battery voltage (mV). Battery fuel gauging with the fuel gauge requires connections only to PACK+ (P+) and PACK- (P-) for a removable battery pack or embedded battery circuit.
  • Single-cell Li-ion battery fuel gauge
  • Resides on system board Supports embedded or removable batteries
  • Powered directly from battery with integrated LDO
  • Easy-to-configure fuel gauging based on patented Impedance Track™ Technology
  • Automatically adjusts for battery aging, self-discharge, temperature and rate changes
  • Battery state-of-health (Aging) estimation
  • 400kHz I²C Serial interface
  • Configurable SOC interrupt or battery low digital output warning
  • Internal temperature sensor or host-reported temperature
  • Green product and no Sb/Br

Applications

Computers & Computer Peripherals, Power Management, Portable Devices, Consumer Electronics, Audio, Imaging, Video & Vision

Product Information

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:
Fuel Gauge, Status Monitor

:
LiCoO2, Li-Ion

:
2.45V

:
4.5V

:
DSBGA

:
9Pins

:
I2C

:
-40°C

:
85°C

:
-

:
MSL 1 - Unlimited
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