Datasheet4U Logo Datasheet4U.com

MAX1909 Datasheet Multichemistry Battery Charger

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: MAX1909/MAX8725 EVALUATION KIT AVAILABLE Multichemistry Battery Chargers with Automatic System Power Selector.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The MAX1909/MAX8725 highly integrated control ICs simplify construction of accurate and efficient multichemistry battery chargers.

The MAX1909/MAX8725 use analog inputs to control charge current and voltage, and can be programmed by a host microcontroller (µC) or hardwired.

High efficiency is achieved through use of buck topology with synchronous rectification.

Key Features

  • Precise Measurement Improves Safety and Performance.
  • ±0.5% Accurate Charge Voltage (0°C to +85°C).
  • ±3% Accurate Input Current Limiting.
  • ±5% Accurate Charge Current.
  • Analog Inputs Control Charge Current and Charge Voltage.
  • Charge Any Battery Chemistry: Li+, NiCd, NiMH, Lead Acid, etc.
  • Up to 17.65V (max) Battery Voltage.
  • Maximum 28V Input Voltage.
  • Programmable Charge Current > 4A.
  • Intelligent AC Adapter Int.

MAX1909 Distributor