BQ24090DGQR The Texas Instruments BQ24090DGQR is a highly integrated, 1-cell, 1-A Li-ion linear battery charger IC. It operates from USB or AC adapter and features a 4.2V charge voltage.
Mfr Part #:

BQ24090DGQR

Available from 5 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ24090DGQR is a highly integrated, 1-cell, 1-A Li-ion linear battery charger IC. It operates from USB or AC adapter and features a 4.2V charge voltage.
✓ Total Stock: 560,832 pcs
$ Price Range: $0.48

BQ24090DGQR Available from 5 distributors

✓ Authorised
✓ Non-Authorised

BQ24090DGQR 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
Interface
Mounting Type
Number of Cells
Operating Temperature
Programmable Features
Supplier Device Package
Voltage

BQ24090DGQR Description

Short technical summary and product information.

The BQ24090DGQR from Texas Instruments is a highly integrated linear battery charger designed for space-limited portable applications. It supports 1-cell Li-ion and Li-Polymer batteries and can be powered from either a USB port or an AC adapter.

 

Key electrical specifications include a maximum charge current of 1A, a battery charge voltage of 4.2V, and an input voltage range from 4.45V to 6.45V, with an absolute maximum of 12V. The device offers features such as BAT temperature thermistor monitoring, IC thermal regulation, and input overvoltage protection (OVP).

 

This charger IC operates within a temperature range of 0°C to 125°C. It provides features like 1% charge voltage accuracy and 10% charge current accuracy. The package is a 10-pin HVSSOP, suitable for surface mounting.

 

Protection features include over-temperature, over-voltage, and short-circuit protection. The BQ24090DGQR also includes a fixed 10-hour safety timer and status indication for charging and completion.

BQ24090DGQR Quick Information

Product Type: Battery Charger IC
Canonical Name: BQ24090DGQR 1-cell, 1-A, Li-ion linear battery charger
Subcategory: Linear Battery Chargers

BQ24090DGQR Compliance

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

BQ24090DGQR Estimated Pricing

Qty Low High
1+ $0.48 $0.48

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

BQ24090DGQR Features

  • 1-cell, 1-A Li-ion linear battery charger.
  • Operates from USB or AC adapter.
  • 4.2V battery charge voltage.
  • 0°C to 125°C operating temperature range.
  • 10-HVSSOP surface mount package.

BQ24090DGQR Applications

  • Ideal for space-limited portable devices.
  • Suitable for USB-powered applications.
  • Used in Li-ion battery management systems.
  • AC adapter charging solutions.

BQ24090DGQR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the BQ24090DGQR?

The input voltage range is 4.45V to 6.45V, with an absolute maximum rating of 12V.

What is the charge voltage for this charger?

The charge voltage is fixed at 4.2V.

What is the maximum charge current?

The maximum charge current is 1A, programmable via an external resistor.

What battery chemistries are supported?

The charger supports Li-Ion and Li-Polymer batteries.

How many cells can it charge?

It is designed for single-cell (1 series cell) batteries.

What protection features are included?

It includes overvoltage protection (6.6V), thermal regulation (125°C), thermal shutdown (150°C), and a fixed 10-hour safety timer.

What is the operating temperature range?

The operating temperature range is 0°C to 125°C.

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