BQ24400 - Programmable NiCd/NiMH Fast-Charge Management

Description

The bq24400 is a programmable, monolithic IC for fast-charge management of nickel cadmium (NiCd) and nickel metal-hydride (NiMH) in single or multi-cell applications.

Features

• 1.
• Safe Management of Fast Charge for NiCd and NiMH Battery Packs.
• High-Frequency Switching Controller for Efficient and Simple Charger Design.
• Pre-Charge Qualification for Detecting Shorted, Damaged, or Overheated Cells.
• Fast-Charge Termination by Peak Voltage (PVD), Maximum Temperature, and Maximum Charge Time.
• Selectable Top-Off Mode for Achieving Maximum Capacity in NiMH Batteries.
• Programmable Trickle-Charge Mode for Reviving Deeply Disc.