See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

YZF | 9

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

BQ27421YZFT-G1D


System-Side(tm) Fuel Gauge With Integrated Sense Resistor | Battery Gas Gauge

TI Store Price:

 
 
Qty.Price
1 - 9 $ 2.47
10 - 24 $ 2.22
25 - 99 $ 2.07
100 - 249 $ 1.81
250 - 499 $ 1.70
500 - 749 $ 1.44
750 - 999 $ 1.22
1000 - 9999 $ 1.02

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Texas Instruments BQ27421YZFT-G1D

The Texas Instruments bq27421-G1 fuel gauge 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 bq27421-G1 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 mm × 1.58 mm, 0.5-mm pitch NanoFree™ chip scale package (DSBGA) is ideal for space-constrained applications.

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