BQ24740RHDTG4 The Texas Instruments BQ24740RHDTG4 is a host-controlled, multi-chemistry battery charger IC. It supports 2-4 series Li+ cells with up to 10A charge current and operates from a 5-24V input range.
Mfr Part #:

BQ24740RHDTG4

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ24740RHDTG4 is a host-controlled, multi-chemistry battery charger IC. It supports 2-4 series Li+ cells with up to 10A charge current and operates from a 5-24V input range.
Total Stock: 236 pcs
$ Price Range: $0.75

BQ24740RHDTG4 Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
236 pcs
236 pcs On Request 1 On Request On Request 2010 On Request On Request

BQ24740RHDTG4 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AC/DC-Adapter Operating Range
Adapter Current Accuracy
Adapter Current Limit
Battery Chemistry
Battery Pack Voltage
Charge Current
Charge Current Accuracy
Charge Voltage
Charge Voltage Accuracy
Current
Driver Dead-Time
Efficiency
Fault Protection
Frequency
Input Current Sense Amp Accuracy
Maximum Effective Duty Cycle
Mounting Type
Number of Cells
Off-state Current
Operating Temperature
Operating Voltage
SVHC Present
Supplier Device Package
Supplier Package
Voltage

BQ24740RHDTG4 Description

Short technical summary and product information.

The BQ24740RHDTG4 from Texas Instruments is a high-efficiency, synchronous battery charger IC designed for multi-chemistry charging applications. It supports charging of two, three, or four series Li+ cells, delivering up to 10A of charge current.

 

Key electrical specifications include a wide 5-24V AC/DC adapter operating range, ±0.5% charge voltage accuracy, and ±3% charge current accuracy. The device integrates features like input overvoltage protection (OVP) and dynamic power management (DPM) with status indication. It operates with a 300 kHz frequency and offers high efficiency exceeding 95%.

 

This charger is suitable for a variety of portable devices, including notebook computers, ultra-mobile computers, portable data-capture terminals, and medical diagnostic equipment. Its integrated compensation and soft-start capabilities contribute to high regulation accuracies.

 

The BQ24740RHDTG4 is available in a compact 28-pin, 5x5mm VQFN package, making it ideal for space-constrained designs. It features surface mount mounting type for easy integration into PCBs.

BQ24740RHDTG4 Quick Information

Product Type: Battery Charger
Series: BQ24740
Canonical Name: Texas Instruments BQ24740RHDTG4 Host-Controlled Multi-Chemistry Battery Charger
Subcategory: Charge Management

BQ24740RHDTG4 Compliance

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

BQ24740RHDTG4 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

BQ24740RHDTG4 Features

  • Supports multi-chemistry battery charging.
  • Charges 2-4 series Li+ cells.
  • High charge current up to 10A.
  • Wide 5-24V adapter operating range.
  • Precise voltage and current regulation.

BQ24740RHDTG4 Applications

  • Ideal for notebook computers.
  • Suitable for ultra-mobile devices.
  • Used in portable data-capture terminals.
  • Applicable to medical diagnostic equipment.
  • Supports battery bay chargers.

BQ24740RHDTG4 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the BQ24740RHDTG4?

The operating voltage range is 5V to 24V.

What package type is the BQ24740RHDTG4 available in?

It is available in a 28-VFQFN Exposed Pad package.

What is the operating temperature range for this battery charger IC?

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

What battery chemistries does the BQ24740RHDTG4 support?

It supports multi-chemistry batteries, including Li+, NiCd, NiMH, and Lead Acid.

What is the maximum charge current for the BQ24740RHDTG4?

The maximum charge current is 10A.

How many series cells can the BQ24740RHDTG4 charge?

It can charge two, three, or four series Li+ cells.

What is the charge voltage accuracy of the BQ24740RHDTG4?

The charge voltage accuracy is ±0.5%.

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