ROHM Battery Charger IC 1-Cell Lithium-Ion Polymer Linear Charger UMMP10LZ1824 Surface Mount 10-Pin 2.9 V to BD71631QWZ-TR

ROHM BD71631QWZ-TR is a high-performance battery charger integrated circuit designed for 1-cell Lithium-Ion and Polymer batteries. It provides a regulated linear charging solution with input voltages ranging from 2.9 V to 5.5 V. Packaged in a compact UMMP10LZ1824 surface mount 10-pin package, this IC is optimized for space-constrained electronic devices.

The device's charge voltage, charge current, and termination current are configurable via external resistors, allowing precision control for various battery specifications. Its low quiescent current effectively minimizes power loss during battery charging, enhancing overall energy efficiency.

A temperature-qualified charging feature is supported through an NTC thermistor input, ensuring safe and reliable operation by monitoring battery temperature. The open-drain charge indicator LED output facilitates easy visual status indication during operation.

Safety is paramount with integrated fixed 10-hour timers to prevent overcharging, thermal shutdown to guard against overheating, under voltage lockout protection to avoid battery damage during low voltages, and battery over voltage protection mechanisms.

With an operating temperature range from -30°C up to 105°C, this charger IC is suitable for demanding industrial, electronic, and automotive battery management systems where durability and reliability are essential.

The component meets stringent RoHS environmental standards, ensuring it meets current regulatory compliance for hazardous substances. The IC supports surface mount package UMMP10LZ1824 with 10 pins. Adjustable termination current from 50μA to 10mA via external resistors.

Low quiescent battery current optimizes power efficiency. NTC thermistor support for temperature-qualified charging. Open-drain charge indicator LED output for charge status. Fixed 10-hour safety timer for protection. Thermal shutdown prevents overheating.

Under voltage lockout protection safeguards battery. Battery over voltage protection for safety. Compact dimensions: 2.4 mm length x 1.8 mm height x 400 μm width.

This battery charger IC is ideal for applications in electronics manufacturing, power management systems, and battery-operated industrial equipment. Browse EnvMart for more Battery Management ICs and power solutions.