MAX713EPE

镍镉/镍氢电池快速充电控制器 NiCd/NiMH Battery Fast-Charge Controllers

General Description

The MAX712/MAX713 fast-charge Nickel Metal Hydride NiMH and Nickel Cadmium NiCd batteries from a DC

source at least 1.5V higher than the maximum battery voltage. 1 to 16 series cells can be charged at rates up to 4C. A voltage-slope detecting analog-to-digital converter, timer, and temperature window comparatordetermine charge completion.

Features

♦Fast-Charge NiMH or NiCd Batteries

♦Voltage Slope, Temperature, and Timer Fast-Charge Cutoff

♦Charge 1 to 16 Series Cells

♦Supply Battery’s Load While Charging Linear Mode

♦Fast Charge from C/4 to 4C Rate

♦C/16 Trickle-Charge Rate

♦Automatically Switch from Fast to Trickle Charge

♦Linear Mode Power Control

♦5µA max Drain on Battery when Not Charging

♦5V Shunt Regulator Powers External Logic

Applications

Battery-Powered Equipment

  Laptop, Notebook, and Palmtop Computers

  Handy-Terminals

  Cellular Phones

Portable Consumer Products

  Portable Stereos

  Cordless Phones