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BQ24172RGYT The Texas Instruments BQ24172RGYT is a standalone synchronous buck battery charger IC designed for 1-3 cell Li-Ion/Li-Polymer batteries. It offers a maximum charge current of 4A and operates within a wide input voltage range.
Mfr Part #:

BQ24172RGYT

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ24172RGYT is a standalone synchronous buck battery charger IC designed for 1-3 cell Li-Ion/Li-Polymer batteries. It offers a maximum charge current of 4A and operates within a wide input voltage range.
✓ Total Stock: 65,499 pcs
$ Price Range: $2.31

BQ24172RGYT Available from 4 distributors

✓ Authorised
✓ Non-Authorised
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BQ24172RGYT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Battery Pack Voltage
Charge Current
Control Interface
Current
Fault Protection
Mounting Type
Number of Cells
Operating Temperature
Programmable Features
Supplier Device Package
Supplier Package
Voltage
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BQ24172RGYT Description

Short technical summary and product information.

The BQ24172RGYT from Texas Instruments is a highly integrated, standalone synchronous switched-mode battery charger. It is designed to charge 1 to 3 cell Lithium Ion or Polymer batteries, supporting a maximum charge current of 4A.

 

Key electrical specifications include an input voltage range of 4.5V to 17V, with an absolute maximum rating of 20V. The battery charge voltage is adjustable, with a minimum of 2.1V and a maximum of 15.5V. The device features programmable current control and fault protection including over current, over temperature, and over voltage.

 

This charger IC is housed in a 24-VQFN package with a surface mount type. It operates within an ambient temperature range of -40°C to 85°C. The control interface is standalone and RC-settable, offering flexibility in system design.

 

Features such as integrated MOSFETs, power path selection, and thermal regulation contribute to its high integration and efficiency. It is suitable for various battery management applications requiring reliable and efficient charging.

BQ24172RGYT Quick Information

Product Type: Battery Charger
Canonical Name: BQ24172RGYT Standalone 1-3 Cell 4A Synchronous Buck Battery Charger
Subcategory: Power Management ICs

BQ24172RGYT Compliance

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

BQ24172RGYT Estimated Pricing

Qty Low High
1+ $2.31 $2.31

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

BQ24172RGYT Features

  • Charges 1-3 cell Li-Ion/Li-Polymer batteries.
  • Maximum charge current of 4A.
  • Input voltage range from 4.5V to 17V.
  • Operates from -40°C to 85°C.
  • Surface mount 24-VQFN package.

BQ24172RGYT Applications

  • Ideal for portable electronic devices.
  • Suitable for battery-powered systems.
  • Used in power management solutions.
  • Applications requiring efficient charging.

BQ24172RGYT FAQs

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

-40°C to 85°C.

What is the package type?

24-VFQFN Exposed Pad (24-VQFN 5.5x3.5).

How many cells can it charge?

1 to 3 series cells.

What is the maximum charge current?

4A.

What is the input voltage range?

4.5V to 17V (absolute maximum 20V).

What fault protection features does it have?

Over-current, over-temperature, and over-voltage protection.

What is the control interface?

Standalone (RC-settable).

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