BQ24171RGYT The Texas Instruments BQ24171RGYT is a standalone, 1-3 cell, 4A synchronous buck battery charger. It offers JEITA compliance and integrated Power Path functionality.
Mfr Part #:

BQ24171RGYT

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ24171RGYT is a standalone, 1-3 cell, 4A synchronous buck battery charger. It offers JEITA compliance and integrated Power Path functionality.
✓ Total Stock: 22,067 pcs
$ Price Range: $2.63

BQ24171RGYT Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
21,806 pcs
21806 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
261 pcs
261 pcs On Request 1 On Request On Request 11+ On Request On Request

BQ24171RGYT Specifications Quick View

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

BQ24171RGYT Description

Short technical summary and product information.

The BQ24171RGYT from Texas Instruments is a highly integrated, 1-3 cell, 4A synchronous buck battery charger designed for Lithium Ion and Li-Polymer battery chemistries. This device features JEITA-compatible battery temperature sensing, ensuring safe charging under various temperature conditions.

 

Key electrical specifications include an input voltage range of 4.5V to 17V, with an absolute maximum rating of 20V. The charger supports adjustable battery charge voltages from 2.1V up to 15.5V and provides a maximum charge current of 4A. It operates with a switching frequency of 1.6 MHz and achieves up to 94% efficiency.

 

Designed for surface mount installation, the BQ24171RGYT comes in a 24-VQFN (5.5x3.5 mm) package. Its features include input current limit (IINDPM), input overvoltage protection (OVP), IC thermal regulation, and an automatic power path selector between the adapter and the battery. Fault protection is provided against over current, over temperature, and over voltage conditions.

 

This charger is suitable for applications requiring robust battery management, such as portable electronics, power tools, and medical devices where precise and safe charging is critical.

BQ24171RGYT Quick Information

Product Type: Battery Charger
Canonical Name: BQ24171 Standalone 1-3 Cell 4A Synchronous Buck Battery Charger
Subcategory: Power Management

BQ24171RGYT Compliance

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

BQ24171RGYT Estimated Pricing

Qty Low High
1+ $2.63 $2.63

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

BQ24171RGYT Features

  • Standalone 1-3 cell 4A synchronous buck charger.
  • JEITA-compliant battery temperature sensing.
  • Integrated Power Path selector.
  • 4.5V to 17V input operating voltage.
  • Up to 94% efficiency.

BQ24171RGYT Applications

  • Ideal for portable electronic devices.
  • Suitable for power tool battery packs.
  • Used in medical device power systems.
  • Supports Li-Ion and Li-Polymer batteries.

BQ24171RGYT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the BQ24171RGYT?

The input operating voltage range is 4.5V to 17V.

What package does the BQ24171RGYT come in?

It is housed in a 24-VQFN Exposed Pad package measuring 5.5mm x 3.5mm.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

How many battery cells can the BQ24171RGYT charge?

It can charge 1 to 3 series Li-Ion or Li-Polymer cells.

What is the maximum charge current?

The maximum charge current is 4A.

Does the BQ24171RGYT include power path management?

Yes, it includes power path management.

What is the switching frequency of the charger?

The switching frequency is 1.6 MHz.

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