Product Summary

The BQ24400PW is a programmable, monolithic IC for fast-charge management of nickel cadmium (NiCd) and nickel metal-hydride (NiMH) in single or multi-cell applications. The applications of the BQ24400PW include Nickel Charger and High-Power, Multi-Cell Charger.

Parametrics

BQ24400PW absolute maximum ratings: (1)VCC, VCC relative to VSS: –0.3 to 7 V; (2)VT, DC voltage applied on any pin, relative to VSS: –0.3 to VCC V; (3)TOPR, Operating ambient temperature: –20 to 70℃; (4)TSTG, Storage temperature: –40 to 125℃; (5)TSOLDER, Soldering temperature (10 s max.): 260℃.

Features

BQ24400PW features: (1)Safe Management of Fast Charge for NiCd and NiMH Battery Packs; (2)High-Frequency Switching Controller for Efficient and Simple Charger Design; (3)Pre-Charge Qualification for Detecting Shorted, Damaged, or Overheated Cells; (4)Fast-Charge Termination by Peak Voltage (PVD), Maximum Temperature, and Maximum Charge Time; (5)Selectable Top-Off Mode for Achieving Maximum Capacity in NiMH Batteries; (6)Programmable Trickle-Charge Mode for Reviving Deeply Discharged Batteries and for Postcharge Maintenance; (7)Built-in Battery Removal and Insertion Detection; (8)Sleep Mode for Low Power Consumption.

Diagrams

BQ24400PW functional block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
BQ24400PW
BQ24400PW

Texas Instruments

Battery Management Prog NiCd/NiMH Fast-Charge Device

Data Sheet

0-1: $2.73
1-25: $2.27
25-100: $2.00
100-250: $1.74
BQ24400PWG4
BQ24400PWG4

Texas Instruments

Battery Management Prog NiCd/NiMH Fast-Charge Device

Data Sheet

0-1: $2.18
1-25: $2.00
25-100: $1.54
100-250: $1.46
BQ24400PWRG4
BQ24400PWRG4

Texas Instruments

Battery Management Prog NiCd/NiMH Fast-Charge Device

Data Sheet

0-1570: $1.19
1570-2000: $1.16
BQ24400PWR
BQ24400PWR

Texas Instruments

Battery Management Prog NiCd/NiMH Fast-Charge Device

Data Sheet

0-1570: $1.19
1570-2000: $1.16