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Details for BQ27421YZFT-G1A by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Battery Management
IC BATTERY FUEL GAUGE LI-ION DSBGA-9
BQ27421YZFT-G1A image

BQ27421YZFT-G1A by Texas Instruments

IC BATTERY FUEL GAUGE LI-ION DSBGA-9
Features
Easy-to-Configure Fuel Gauging Based on Patented Impedance Tracku2122 Technology u2013 Reports Remaining Capacity and State-of- Charge (SOC) with Smoothing Filter u2013 Automatically Adjusts for Battery Aging, Self- Discharge, Temperature, and Rate Changes u2013 Battery State-of-Health (Aging) Estimation
Microcontroller Peripheral Supports:
Single-Cell Li-Ion Battery Fuel Gauge u2013 Resides on System Board u2013 Supports Embedded or Removable Batteries u2013 Powered Directly from Battery with Integrated LDO u2013 Low-Value Integrated Sense Resistor (7 mu2126, Typical)
Part Information
BQ27421YZFT-G1A image
RoHS Compliant
Description
The Texas Instruments bq27421-G1 fuel gauge is a minimally configured microcontroller peripheral that provides system-side fuel gauging for single-cell LiIon 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.
Specifications
Battery Management Function:
Fuel Gauge Status Monitor
Battery Type:
LiCoO2 Li-Ion
Supply Voltage Min:
2.45V
Supply Voltage Max:
4.5V
Battery IC Case Style:
DSBGA
No. of Pins:
9Pins
IC Interface Type:
I2C
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
Impedance Battery Monitor, Resistor BGA9 RS Components
IC, BATTERY FUEL GAUGE, LI-ION, DSBGA-9; Battery Management Function:Fuel Gauge, Status Monitor; Battery Type:LiCoO2, Li-Ion; Supply Voltage Min:2.45V; Supply Voltage Max:4.5V; Battery IC Case Style:DSBGA; No. of Pins:9Pins; IC RoHS Compliant: Yes Newark Electronics
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Battery Fuel Gauge Li-Ion 1.8V 9-Pin DS-BGA T/R Avnet Europe