BQ24725RGRR The Texas Instruments BQ24725RGRR is an SMBus controlled buck battery charge controller designed for 2-4 cell Li-Ion batteries. It supports a maximum charge current of 8A and an input voltage up to 24V.
Mfr Part #:

BQ24725RGRR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ24725RGRR is an SMBus controlled buck battery charge controller designed for 2-4 cell Li-Ion batteries. It supports a maximum charge current of 8A and an input voltage up to 24V.
✓ Total Stock: 79,181 pcs
$ Price Range: $4.84

BQ24725RGRR Available from 4 distributors

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✓ Non-Authorised
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29,411 pcs
29411 pcs On Request 1 On Request On Request On Request On Request On Request
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27,325 pcs
27325 pcs On Request 1 On Request On Request 1337+ On Request On Request
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22,245 pcs
22245 pcs On Request 1 On Request On Request 1249+ On Request On Request
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200 pcs
200 pcs On Request 1 On Request On Request 11+ On Request On Request

BQ24725RGRR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Battery Pack Voltage
Current
Fault Protection
Interface
Mounting Type
Number of Cells
Operating Temperature
Supplier Device Package
Voltage

BQ24725RGRR Description

Short technical summary and product information.

The Texas Instruments BQ24725RGRR is an active buck battery charge controller IC that utilizes an SMBus interface for control. It is designed to manage charging for 2 to 4 cell Lithium Ion or Li-Polymer batteries.

 

Key electrical specifications include a maximum charge current of 8A and an input voltage range from 0V to 24V, with an absolute maximum rating of 30V. The device offers precise control with charge voltage accuracy of ±0.5% up to 19.2V and charge current accuracy of ±3% up to 8.128A. It operates within a temperature range of -40°C to 85°C.

 

This charge controller features enhanced safety functions such as over-voltage protection, over-current protection, and short-circuit protection for the battery, inductor, and MOSFETs. It also includes programmable input current, charge voltage, and charge current limits. The device supports programmable adapter detection and indicator functions, along with integrated soft start and loop compensation.

 

The BQ24725RGRR comes in a 20-VQFN (3.5x3.5 mm) package and is designed for surface mounting. Its applications include portable notebook computers, UMPCs, ultra-thin notebooks, netbooks, personal digital assistants, handheld terminals, industrial and medical equipment, and other portable equipment.

BQ24725RGRR Quick Information

Product Type: Battery Charger IC
Canonical Name: BQ24725RGRR SMBus 2-4 Cell Buck Battery Charge Controller
Subcategory: Power Management ICs

BQ24725RGRR Compliance

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

BQ24725RGRR Estimated Pricing

Qty Low High
1+ $4.84 $4.84

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

BQ24725RGRR Features

  • SMBus controlled 2-4 cell Li-Ion charge controller
  • Maximum charge current of 8A
  • Input voltage up to 24V
  • High accuracy charge voltage and current
  • Surface Mount 20-VQFN package

BQ24725RGRR Applications

  • Ideal for portable notebook computers
  • Suitable for UMPCs and netbooks
  • Used in handheld terminals
  • Applicable in industrial equipment
  • Designed for portable devices

BQ24725RGRR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the BQ24725RGRR?

The AC adapter operating range is 9V to 24V, with an absolute maximum input voltage of 30V.

What package options are available for the BQ24725RGRR?

The device is available in a 20-VQFN (3.5x3.5) package and a 20-VFQFN Exposed Pad package.

What is the operating temperature range of the BQ24725RGRR?

The operating temperature range is -40°C to 85°C, with a junction temperature up to 125°C.

What is the maximum charge current supported?

The maximum charge current is 8A.

How many series cells can the BQ24725RGRR charge?

It supports 2, 3, or 4 series Li-Ion/Li-Polymer cells.

What control interface does the BQ24725RGRR use?

It uses an SMBus control interface.

What protection features are included?

Over-current, over-voltage, and short-circuit protection.

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