BQ27425YZFR-G1 by Texas Instruments | Battery Fuel Gauges | Avnet ASIA
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BQ27425YZFR-G1

Texas Instruments

Battery Fuel Gauge 15-Pin DSBGA T/R

Manufacturer Part #: BQ27425YZFR-G1

Avnet Manufacturer Part #: BQ27425YZFR-G1


RoHS Compliant

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Information

The Texas Instruments bq27425 system-side LiCoO2battery fuel gauge is an easy to configuremicrocontroller peripheral that provides fuel gaugingfor single-cell LiCoO2 battery packs. The devicerequires minimal user configurations and systemmicrocontroller firmware development for accuratefuel gauging.

The bq27425 uses the patented Impedance Trackalgorithm for fuel gauging, and provides informationsuch as remaining battery capacity (mAh),state-of-charge (%), and battery voltage (mV).

Battery fuel gauging with the bq27425 requires onlyPACK+ (P+), PACK– (P–), for a removable batterypack or embedded battery circuit. The 15-pin 2,69 ×1,75 mm, 0.5 mm pitch CSP package is ideal forspace constrained applications.

Key Features

  • Battery Fuel Gauge for 1-Series LiCoO2 battery Applications
  • Easy to Configure Battery Fuel Gauging Based on Patented Impedance Track™ Technology
    • Models Battery Discharge Curve for Accurate State-of-Charge Report
    • Automatically Adjusts for Battery Aging, Battery Self-Discharge, and Temperature/Rate Inefficiencies
    • Low-Value Integrated Sense Resistor (10 mΩ typical)
  • Resides on System Main Board
    • Works with Embedded or Removable Battery Packs
    • Integrated LDO allows devices to be powered directly from battery pack
  • Microcontroller Peripheral Provides:
    • Accurate Battery Fuel Gauging
    • Internal Temperature Sensor for Battery Temperature Reporting
    • Configurable Level of State-of-Charge (SOC) Interrupts
  • I2C™ for Connection to System Microcontroller Port
  • Small 15-pin 2,69 × 1,75 mm, 0.5 mm pitch CSP package

Technical Attributes

Description
Value
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Operating Supply Voltage
2.45 to 2.7 V
Lead Finish
Tin/Silver/Copper
Product Dimensions
2.72 x 1.78 x 0.28 mm
Supplier Package
DSBGA
Type
Battery Fuel Gauge
Operating Temperature
-40 to 85 °C
Mounting
Surface Mount
Max Processing Temp
260
MSL Level
1
Pin Count
15

ECCN / UNSPSC

Description
Value
ECCN:
EAR99
SCHEDULE B:
85423900905.1
HTSN:
85423900905.1

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