BQ25790YBGR The BQ25790YBGR is an I2C controlled, 1-4 cell, 5A buck-boost battery charger from Texas Instruments. It supports a wide input voltage range and USB PD3.0 OTG output.
Mfr Part #:

BQ25790YBGR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The BQ25790YBGR is an I2C controlled, 1-4 cell, 5A buck-boost battery charger from Texas Instruments. It supports a wide input voltage range and USB PD3.0 OTG output.
✓ Total Stock: 9,272 pcs
$ Price Range: $2.90

BQ25790YBGR Available from 1 distributor

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✓ Non-Authorised
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BQ25790YBGR Specifications Quick View

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

BQ25790YBGR Description

Short technical summary and product information.

The Texas Instruments BQ25790YBGR is a highly integrated, switch-mode buck-boost battery charger designed for 1-4 cell Li-ion and Li-polymer batteries. It offers flexible control via I2C and supports autonomous operation.

 

Key electrical specifications include a maximum charging current of 5A with 10mA resolution, a wide input operating voltage range from 3.6V to 24V (30V absolute maximum), and a maximum battery pack voltage of 18.8V. The device features programmable switching frequencies of 750kHz and 1.5MHz, and provides high efficiency, reaching 96.5% with a 9V input at 3A charge current.

 

This charger supports USB Power Delivery 3.0 OTG output with a voltage range of 2.8V to 22V and current regulation up to 3.32A. It integrates essential features like input and charging current sensing, four switching MOSFETs, and a BATFET. Safety features include over-current, over-temperature, over-voltage, and short-circuit protection.

 

The BQ25790YBGR is supplied in a compact 56-DSBGA package suitable for surface mounting. Its operating temperature range is -40°C to 85°C.

BQ25790YBGR Quick Information

Product Type: Battery Charger IC
Series: BQ25790
Canonical Name: BQ25790 I2C Controlled, 1-4 Cell, 5-A Buck-Boost Battery Charger with Dual-Input Selector and USB PD3.0 OTG Output
Subcategory: Switching Mode Buck-Boost

BQ25790YBGR Compliance

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

BQ25790YBGR Estimated Pricing

Qty Low High
1+ $2.90 $2.90

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

BQ25790YBGR Features

  • I2C controlled 1-4 cell buck-boost charger
  • 5A maximum charging current
  • 3.6V to 24V wide input voltage range
  • USB PD3.0 OTG output capability
  • Compact 56-DSBGA surface mount package

BQ25790YBGR Applications

  • Ideal for smartphones and tablets
  • Suitable for drone battery charging
  • Used in portable electronic devices
  • Powers USB OTG devices from battery

BQ25790YBGR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type for the BQ25790YBGR?

The BQ25790YBGR is available in a 56-XFBGA, DSBGA package, specifically a 56-DSBGA (2.9 x 3.32 mm) package.

What is the operating temperature range of the BQ25790YBGR?

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

What is the maximum charging current?

The maximum charging current is 5 A with a resolution of 10 mA.

What is the input voltage range?

The input voltage range is from 3.6 V to 24 V, with an absolute maximum rating of 30 V.

What battery chemistries and cell counts are supported?

It supports Lithium Ion/Polymer batteries with 1 to 4 series cells.

What fault protections are included?

Fault protections include over current, over temperature, over voltage, reverse battery, and short circuit.

What is the charging efficiency?

The charging efficiency is up to 96.5% typical with 9 V input at 3 A charge current, and 94.5% with 15 V input.

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