FM FM05PF Lithium-Ion Battery Protection IC TSSOP-20 FM05PF

Product Overview

The FM05PF, manufactured by Fine Made Microelectronics Group Co., Ltd., is a highly integrated protection IC specifically designed for 5-cell rechargeable battery packs. It is engineered for demanding applications such as power tools, electric bicycles, and uninterruptible power supply (UPS) systems.

Core Specifications

• Manufacturer: Fine Made Microelectronics Group Co., Ltd.

• Function: 5-cell rechargeable battery protection IC.

• Key Detection Voltages (Typical):

  • Overcharge Detection: 3.75 V (±25 mV at +25°C).

  • Overcharge Recovery: 3.60 V.

  • Over-discharge Detection: 2.20 V.

  • Over-discharge Recovery: 2.40 V.

• Discharge Overcurrent Protection: 3-stage detection (0.10 V, 0.20 V, and 0.40 V for short-circuit).

• Charging Overcurrent Detection: -0.05 V.

Key Features

• High-Precision Voltage Monitoring: Ensures the safety of each individual battery cell within the 5-cell series stack.

• Adjustable Delay Times: Protection delay times for overcharge, over-discharge, and overcurrent conditions can be customized by adjusting the value of external capacitors.

• Comprehensive Protection: Monitors cell voltage, charge/discharge current, and ambient temperature to trigger safety shutdowns during overcurrent, short-circuit, or overcharge/discharge events.

• High Integration: Combines complex monitoring logic into a single device to reduce component count in battery management systems.

Applications

• Electric Tools: Provides necessary safety features for high-drain power tool battery packs.

• Electric Bicycles (E-bikes): Manages safety for multi-cell battery configurations.

• UPS Power Supplies: Ensures reliable battery maintenance for back-up power systems.