BQ24705RGERG4 The BQ24705RGERG4 is a high-efficiency, synchronous battery charger from Texas Instruments. It supports multi-chemistry batteries and offers precise voltage and current regulation.
Mfr Part #:

BQ24705RGERG4

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The BQ24705RGERG4 is a high-efficiency, synchronous battery charger from Texas Instruments. It supports multi-chemistry batteries and offers precise voltage and current regulation.
✓ Total Stock: 22,482 pcs
$ Price Range: $0.75

BQ24705RGERG4 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
22,482 pcs
22482 pcs On Request 1 On Request On Request 2010 On Request On Request

BQ24705RGERG4 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Battery Pack Voltage
Charge Current
Current
Efficiency
Fault Protection
Mounting Type
Number of Cells
Operating Temperature
Output Current
Output Voltage
Supplier Device Package
Supply Voltage
Tape & Reel
Voltage

BQ24705RGERG4 Description

Short technical summary and product information.

The Texas Instruments BQ24705RGERG4 is a high-efficiency, synchronous battery charger designed for multi-chemistry battery charging applications. It features integrated compensation and a low component count, making it suitable for space-constrained designs.

 

Key electrical specifications include an 8A charge current, an output voltage range of 8V to 18V, and a supply voltage range of 5V to 24V. The device operates at a switching frequency of 600 kHz and offers high accuracy in voltage and current regulation, with charge voltage accuracy of ±0.5% and charge current accuracy of ±3%. It also includes features like ±3% adapter current accuracy and ±2% input current sense amp accuracy.

 

Designed for robust operation, the BQ24705RGERG4 has a wide operating temperature range of -40°C to 125°C (TJ). It incorporates safety features such as input overvoltage protection (OVP) and dynamic power management (DPM). The charger boasts over 95% efficiency and a maximum effective duty cycle of 99.5%, with a minimum driver dead-time of 30ns.

 

This component is housed in a 24-VQFN (4x4) package, suitable for surface mounting. Its RoHS status is compliant, and it is classified under MSL 1 Unlimited.

BQ24705RGERG4 Quick Information

Product Type: Battery Charger
Canonical Name: BQ24705RGERG4 Battery Charger
Subcategory: Power Management

BQ24705RGERG4 Compliance

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

BQ24705RGERG4 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

BQ24705RGERG4 Features

  • High-efficiency synchronous buck converter.
  • Supports multi-chemistry battery charging.
  • Precise voltage and current regulation.
  • Wide operating temperature range.
  • Compact 24-VQFN package for surface mounting.

BQ24705RGERG4 Applications

  • Ideal for portable electronic devices.
  • Suitable for multi-cell battery systems.
  • Enables space-constrained designs.
  • Provides accurate battery charging control.

BQ24705RGERG4 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the BQ24705RGERG4?

The supply voltage range is 5V to 24V.

What battery chemistries does the BQ24705RGERG4 support?

It supports multi-chemistry batteries, including Li-ion and Li-polymer.

How many cells can the BQ24705RGERG4 charge?

It charges 2 to 4 series cells.

What is the maximum charge current?

The maximum charge current is 8A.

What is the output voltage range?

The output voltage range is 8V to 18V.

What is the operating temperature range?

The operating junction temperature range is -40°C to 125°C.

What package does the BQ24705RGERG4 come in?

It comes in a 24-pin VQFN package measuring 4mm x 4mm with 0.88mm height.

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