Switch-mode NiCd/NiMH Battery Charger With Peak Voltage Detection Termination

The BQ24400 is a programmable, monolithic IC for fast-charge management of nickel cadmium (NiCd) and nickel metal-hydride (NiMH) batteries.
The BQ24400 provides a number of charge termination criteria: Peak voltage, PVD (for NiCd and NiMH) Maximum temperature Maximum charge time
For safety, the BQ24400 inhibits fast charge until the battery voltage and temperature are within user-defined limits. If the battery voltage is below the low-voltage threshold, the BQ24400 uses trickle-charge to condition the battery. For NiMH batteries, the BQ24400 provides an optional top-off charge to maximize the battery capacity.
The integrated high-frequency Comparator allows the BQ24400 to be the basis for a complete, high-efficiency power-conversion circuit.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
BQ24400D Texas Instruments Switch-mode NiCd/NiMH Battery Charger with Peak Voltage Detection Termination 8-SOIC -20 to 70
BQ24400DG4 Texas Instruments Switch-mode NiCd/NiMH Battery Charger with Peak Voltage Detection Termination 8-SOIC -20 to 70
BQ24400DR Texas Instruments Switch-mode NiCd/NiMH Battery Charger with Peak Voltage Detection Termination 8-SOIC -20 to 70
BQ24400DRG4 Texas Instruments Switch-mode NiCd/NiMH Battery Charger with Peak Voltage Detection Termination 8-SOIC -20 to 70
BQ24400P Texas Instruments 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8, PLASTIC, DIP-8
BQ24400PWG4 Texas Instruments 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, GREEN, PLASTIC, TSSOP-8
BQ24400PW Texas Instruments Switch-mode NiCd/NiMH Battery Charger with Peak Voltage Detection Termination 8-TSSOP -20 to 70
BQ24400PWRG4 Texas Instruments Switch-mode NiCd/NiMH Battery Charger with Peak Voltage Detection Termination 8-TSSOP -20 to 70
BQ24400PWR Texas Instruments Switch-mode NiCd/NiMH Battery Charger with Peak Voltage Detection Termination 8-TSSOP -20 to 70
BQ24400 's PackagesBQ24400 's pdf datasheet
BQ24400D SOIC
BQ24400DG4 SOIC
BQ24400DR SOIC
BQ24400DRG4 SOIC
BQ24400PW TSSOP
BQ24400PWG4 TSSOP
BQ24400PWR TSSOP
BQ24400PWRG4 TSSOP




BQ24400 Pinout, Pinouts
BQ24400 pinout,Pin out
This is one package pinout of BQ24400,If you need more pinouts please download BQ24400's pdf datasheet.

BQ24400 Application circuits
BQ24400 circuits
This is one application circuit of BQ24400,If you need more circuits,please download BQ24400's pdf datasheet.


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BQ24400 Application Notes BQ24400 RoHS BQ24400 Circuits BQ24400 footprint