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BQ24120RHLR The Texas Instruments BQ24120RHLR is a highly integrated, standalone synchronous buck battery charger IC. It supports 1- to 3-cell Li-ion and Li-polymer battery packs with a charge rate up to 2A.
Mfr Part #:

BQ24120RHLR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ24120RHLR is a highly integrated, standalone synchronous buck battery charger IC. It supports 1- to 3-cell Li-ion and Li-polymer battery packs with a charge rate up to 2A.
✓ Total Stock: 33,058 pcs
$ Price Range: $2.22

BQ24120RHLR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Unit Electronics Co.,Limited ✓
Non-Authorised Inventory information
24,258 pcs
On Request
24258 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
8,800 pcs
On Request
8800 pcs On Request 1 On Request On Request 09+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BQ24120RHLR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Battery Pack Voltage
Charge Current
Controller Type
Current
Fault Protection
Mounting Type
Number of Cells
Operating Temperature
Package Quantity
Programmable Features
SVHC Present
Supplier Device Package
Tape & Reel
Voltage
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BQ24120RHLR Description

Short technical summary and product information.

The Texas Instruments BQ24120RHLR is a standalone, synchronous, switched-mode battery charger IC designed for Li-ion and Li-polymer battery packs. It offers enhanced EMI performance and is suitable for 1-, 2-, or 3-cell battery configurations, providing a charge rate of up to 2A.

 

Key electrical specifications include a 1.1 MHz fixed-frequency PWM controller with 0% to 100% duty cycle, a 16V voltage rating, and a programmable current feature. The device also includes fault protection for over-temperature conditions. It operates within a temperature range of -40°C to 85°C.

 

The BQ24120RHLR is available in a compact 20-pin VQFN package measuring 3.5mm x 4.5mm, with surface mount mounting type. This integration makes it ideal for portable applications where space and power efficiency are critical.

 

Additional features include high-accuracy voltage and current regulation, status outputs for host processor interface, battery temperature monitoring, and automatic sleep mode for low power consumption. The device also has a 20V absolute maximum voltage rating on IN and OUT pins.

BQ24120RHLR Quick Information

Product Type: Battery Charger IC
Canonical Name: BQ24120 Standalone 1-2 cell 2A synchronous Buck battery charger
Subcategory: Battery Management ICs

BQ24120RHLR Compliance

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

BQ24120RHLR Estimated Pricing

Qty Low High
1+ $2.22 $2.22

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

BQ24120RHLR Features

  • Standalone 1-2 cell 2A synchronous buck charger.
  • Enhanced EMI performance integrated.
  • Suitable for 1-, 2-, or 3-cell Li-ion/Polymer packs.
  • 1.1 MHz fixed-frequency PWM controller.
  • Available in 20-pin VQFN package.

BQ24120RHLR Applications

  • Ideal for portable electronic devices.
  • Used in battery-powered equipment.
  • Suitable for compact designs.
  • Enables efficient battery charging.
  • Supports Li-ion and Li-Polymer batteries.

BQ24120RHLR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum charge current of the BQ24120RHLR?

The BQ24120RHLR supports a programmable charge current up to 2A.

What battery chemistries does the BQ24120RHLR support?

It supports Lithium Ion and Lithium Polymer battery chemistries.

How many cells can the BQ24120RHLR charge?

It is suitable for 1-, 2-, or 3-cell Li-Ion and Li-Polymer battery packs.

What is the operating temperature range of the BQ24120RHLR?

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

What type of controller is the BQ24120RHLR?

It is a synchronous fixed-frequency PWM controller.

What is the switching frequency of the BQ24120RHLR?

It operates at 1.1 MHz.

What package is the BQ24120RHLR available in?

It is available in a 20-VFQFN Exposed Pad package (20-VQFN, 3.5x4.5 mm).

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