BQ24401DR The Texas Instruments BQ24401DR is a programmable, monolithic IC for fast-charge management of nickel cadmium (NiCd) and nickel metal-hydride (NiMH) batteries. It supports 1-4 series cells with a maximum charge current of 2A.
Mfr Part #:

BQ24401DR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ24401DR is a programmable, monolithic IC for fast-charge management of nickel cadmium (NiCd) and nickel metal-hydride (NiMH) batteries. It supports 1-4 series cells with a maximum charge current of 2A.
Total Stock: 2,199 pcs
$ Price Range: $2.37

BQ24401DR Available from 2 distributors

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,185 pcs
2185 pcs On Request 1 On Request On Request 11+ On Request On Request
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14 pcs
14 pcs On Request 1 On Request On Request On Request On Request On Request

BQ24401DR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Absolute Maximum Input Voltage
Battery Charge Voltage (Max)
Battery Charge Voltage (min)
Battery Chemistry
Charge Current - Max
Control Interface
Control Topology
Features
Input Voltage Max
Input Voltage Min
Mounting Type
Number of series cells
Operating Temperature
Programmable Features
Supplier Device Package
Voltage

BQ24401DR Description

Short technical summary and product information.

The BQ24401DR from Texas Instruments is a versatile switch-mode battery charger IC designed for NiCd and NiMH battery applications. It supports single to multi-cell configurations, specifically 1 to 4 series cells.

 

Key electrical specifications include a minimum input voltage of 4V and a maximum of 6V, with an absolute maximum rating of 7V. The device can deliver a maximum charge current of 2A. It features a switch-mode buck control topology and operates within a temperature range of -20°C to 70°C. The control interface is standalone and RC-settable.

 

This IC offers advanced charge termination criteria, including rate of temperature rise (ΔT/Δt), maximum temperature, and maximum charge time. Additional features include battery temperature thermistor monitoring, pre-charge qualification for detecting faulty cells, selectable top-off mode for maximum NiMH capacity, and programmable trickle-charge mode for reviving deeply discharged batteries. It also includes built-in battery removal and insertion detection, and a sleep mode for low power consumption.

 

The BQ24401DR is available in an 8-SOIC package with surface mount mounting type. Its robust design makes it suitable for high-power, multi-cell nickel charger applications.

BQ24401DR Quick Information

Product Type: Battery Charger IC
Canonical Name: BQ24401DR Switch-Mode NiCd/NiMH Battery Charger IC
Subcategory: Power Management

BQ24401DR Compliance

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

BQ24401DR Estimated Pricing

Qty Low High
1+ $2.37 $2.37

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

BQ24401DR Features

  • Programmable NiCd/NiMH fast-charge management.
  • Supports 1 to 4 series cells.
  • Maximum charge current of 2A.
  • Wide operating temperature range of -20°C to 70°C.
  • Multiple charge termination criteria.

BQ24401DR Applications

  • Charging portable NiCd and NiMH battery packs.
  • Industrial handheld device battery charging circuits.
  • Consumer electronics with rechargeable battery systems.
  • Embedded battery management in IoT devices.

BQ24401DR FAQs

6 frequently asked questions generated from this part’s specifications.
What battery chemistries does the BQ24401DR support?

The BQ24401DR supports Nickel Cadmium (NiCd) and Nickel Metal-Hydride (NiMH) battery chemistries.

How many series cells can the BQ24401DR charge?

It can charge 1, 2, 3, or 4 series cells.

What is the maximum charge current for the BQ24401DR?

The maximum charge current is 2A.

What is the operating temperature range of the BQ24401DR?

The operating temperature range is -20°C to 70°C.

What package type is the BQ24401DR available in?

The BQ24401DR is available in an 8-SOIC package.

What are the charge termination criteria for the BQ24401DR?

The BQ24401DR provides charge termination based on the rate of temperature rise (ΔT/Δt), maximum temperature, and maximum charge time.

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