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BQ24400DR The BQ24400DR from Texas Instruments is a switch-mode battery charger IC designed for NiCd and NiMH battery packs. It supports multi-chemistry configurations.
Mfr Part #:

BQ24400DR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The BQ24400DR from Texas Instruments is a switch-mode battery charger IC designed for NiCd and NiMH battery packs. It supports multi-chemistry configurations.
✓ Total Stock: 5,328 pcs
$ Price Range: $4.85

BQ24400DR Available from 1 distributor

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✓ Non-Authorised
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Optech Co.,Limited ✓
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5,328 pcs
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5328 pcs On Request 1 On Request On Request 18+ On Request On Request
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BQ24400DR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Control Interface
Mounting Type
Operating Temperature
Programmable Features
Supplier Device Package
Supplier Package
Voltage
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BQ24400DR Description

Short technical summary and product information.

The Texas Instruments BQ24400DR is a programmable, monolithic IC for fast-charge management of nickel cadmium (NiCd) and nickel metal-hydride (NiMH) batteries in single or multi-cell applications. This switch-mode buck controller offers efficient charging with features like battery temperature monitoring, pre-charge qualification, and selectable top-off mode for maximum capacity.

 

Key electrical specifications include a maximum charge current of 2A, an input voltage range of 4V to 6V (absolute max 7V), and battery charge voltages from 0.95V to 8V. The control interface is standalone and RC-settable. The operating temperature range is -20°C to 70°C.

 

Packaged in an 8-SOIC surface mount configuration, the BQ24400DR is suitable for high-power, multi-cell nickel charger applications. It provides safe management of fast charge with termination by peak voltage, maximum temperature, and maximum charge time. Additional features include programmable trickle-charge mode, battery removal/insertion detection, and sleep mode for low power consumption.

 

Note: This product is in the process of being discontinued. New designs should consider an alternate product.

BQ24400DR Quick Information

Product Type: Battery Charger IC
Canonical Name: BQ24400DR Switch-mode NiCd/NiMH Battery Charger
Subcategory: Power Management

BQ24400DR Compliance

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

BQ24400DR Estimated Pricing

Qty Low High
1+ $4.85 $4.85

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

BQ24400DR Features

  • Switch-mode buck controller for NiCd/NiMH.
  • Supports 1-4 series cells.
  • 2A maximum charge current.
  • Peak voltage termination.
  • 8-SOIC surface mount package.

BQ24400DR Applications

  • Charging NiCd and NiMH battery packs.
  • Portable consumer electronics and tools.
  • Industrial and medical battery-powered devices.
  • Standalone charger designs with minimal external components.

BQ24400DR FAQs

6 frequently asked questions generated from this part’s specifications.
What battery chemistries does the BQ24400DR support?

The BQ24400DR supports NiCd and NiMH battery chemistries.

What is the maximum charge current for the BQ24400DR?

The maximum charge current for the BQ24400DR is 2A.

What is the input voltage range for the BQ24400DR?

The input voltage range is from 4V to 6V, with an absolute maximum of 7V.

What is the operating temperature range of the BQ24400DR?

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

What package type is the BQ24400DR available in?

The BQ24400DR is available in an 8-SOIC package.

How is fast charging terminated in the BQ24400DR?

Fast charge termination is achieved by peak voltage (PVD), maximum temperature, and maximum charge time.

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