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MAX1737 - Stand-Alone Switch-Mode Lithium-Ion Battery-Charger Controller

General Description

The MAX1737 is a switch-mode lithium-ion (Li+) battery charger that charges one to four cells.

It provides a regulated charging current and a regulated voltage with only a ±0.8% total voltage error at the battery terminals.

Key Features

  • Stand-Alone Charger for Up to Four Li+ Cells.
  • ±0.8% Accurate Battery Regulation Voltage.
  • Low Dropout: 98% Duty Cycle.
  • Safely Precharges Near-Dead Cells.
  • Continuous Voltage and Temperature Monitoring.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX173 Complete 5s CMOS 10-Bit A/D Converter
MAX1733 Low-Voltage / Step-Down DC-DC Converters in SOT23
MAX1735 200mA / Negative-Output / Low-Dropout Linear Regulator
MAX1736 SOT23 / Single-Cell Li+ Battery Charger for Current-Limited Supply
MAX1739 Wide Brightness Range CCFL Backlight Controllers
MAX170 Serial Output 5.6us 12-Bit A/D Converter
MAX1700 Step-Up DC-DC Converters
MAX1702B Triple-Output Power-Management IC
MAX1703 1-Cell to 3-Cell / High-Power 1.5A / Low-Noise / Step-Up DC-DC Converter
MAX1705 1- to 3-Cell / High-Current / Low-Noise / Step-Up DC-DC Converters

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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EVALUATION KIT AVAILABLE AVAILABLE MAX1737 Stand-Alone Switch-Mode Lithium-Ion Battery-Charger Controller General Description The MAX1737 is a switch-mode lithium-ion (Li+) battery charger that charges one to four cells. It provides a regulated charging current and a regulated voltage with only a ±0.8% total voltage error at the battery terminals. The external N-channel switch and synchronous rectifier provide high efficiency over a wide input voltage range. A built-in safety timer automatically terminates charging once the adjustable time limit has been reached. The MAX1737 regulates the voltage set point and charging current using two loops that work together to transition smoothly between voltage and current regulation.