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BQ27425YZFR-G2B The Texas Instruments BQ27425YZFR-G2B is a system-side battery fuel gauge IC for single-cell Lithium-Ion batteries. It utilizes Impedance Track technology for accurate state-of-charge reporting.
Mfr Part #:

BQ27425YZFR-G2B

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ27425YZFR-G2B is a system-side battery fuel gauge IC for single-cell Lithium-Ion batteries. It utilizes Impedance Track technology for accurate state-of-charge reporting.
✓ Total Stock: 90,340 pcs
$ Price Range: $2.36

BQ27425YZFR-G2B Available from 4 distributors

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✓ Non-Authorised
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Optech Co.,Limited ✓
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30,325 pcs
On Request
30325 pcs On Request 1 On Request On Request 14+ On Request On Request
Smaxon Electronics ✓
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23,515 pcs
On Request
23515 pcs On Request 1 On Request On Request 16+ On Request On Request
Romaks Technologies ✓
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20,000 pcs
On Request
20000 pcs On Request 1 On Request On Request On Request On Request On Request
Unit Electronics Co.,Limited ✓
Non-Authorised Inventory information
16,500 pcs
On Request
16500 pcs On Request 1 On Request On Request On Request On Request On Request
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BQ27425YZFR-G2B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Function
Interface
Mounting Type
Number of Cells
Operating Temperature
Supplier Device Package
Supplier Package
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BQ27425YZFR-G2B Description

Short technical summary and product information.

The Texas Instruments BQ27425YZFR-G2B is an easy-to-configure, system-side fuel gauge IC designed for single-cell Li-Ion batteries. It employs the patented Impedance Track algorithm to provide accurate remaining capacity and state-of-charge (SOC) information, automatically adjusting for battery aging, self-discharge, temperature, and rate changes.

 

This IC supports a battery capacity range from 100 mAh to 4000 mAh and communicates via an I2C interface operating at up to 400 kHz. It includes an integrated low-value sense resistor (10 mΩ typical) and an internal LDO, simplifying system design. The device resides on the system board and can support both embedded and removable batteries.

 

Key features include automatic adjustment for battery aging and state-of-health estimation. The BQ27425YZFR-G2B operates within a temperature range of -40°C to 85°C and is available in a compact 15-DSBGA package, suitable for surface mount applications.

 

This fuel gauge requires minimal user configuration and firmware development, making it an efficient solution for battery monitoring in various electronic devices.

BQ27425YZFR-G2B Quick Information

Product Type: Battery Fuel Gauge IC
Canonical Name: BQ27425YZFR-G2B System-Side Impedance Track Fuel Gauge IC
Subcategory: Power Management ICs

BQ27425YZFR-G2B Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BQ27425YZFR-G2B Estimated Pricing

Qty Low High
1+ $2.36 $2.36

Estimated market price range - modelled values for guidance only, not live distributor offers.

BQ27425YZFR-G2B Features

  • System-side fuel gauge for single-cell Li-Ion.
  • Patented Impedance Track fuel gauging.
  • Supports 100-mAh to 4000-mAh capacity.
  • 400-kHz I2C serial interface.
  • Integrated low-value sense resistor.

BQ27425YZFR-G2B Applications

  • Accurate battery state-of-charge monitoring.
  • Battery aging and self-discharge compensation.
  • System power management applications.
  • Portable electronic devices.

BQ27425YZFR-G2B FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the BQ27425YZFR-G2B?

-40°C to 85°C.

What package is the BQ27425YZFR-G2B available in?

15-DSBGA (15-UFBGA, DSBGA) surface-mount package.

What battery chemistries does the BQ27425YZFR-G2B support?

Li-Ion and Li-Polymer.

How many series cells does the BQ27425YZFR-G2B support?

1 series cell.

What communication interface does the BQ27425YZFR-G2B use?

I2C serial interface operating at 400 kHz.

What battery capacity range does the BQ27425YZFR-G2B support?

100 mAh to 4000 mAh.

What fuel gauging algorithm does the BQ27425YZFR-G2B use?

Impedance Track™.

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