1. Overview

ICs ideal for Cordless Power Tools

Cordless power tools are widely used both in the home and the workplace. Cordless power tools must betough, compact and lightweight, and also need long-lasting batteries. Safe operation and safety functions are also indispensable. ABLIC supplies a wide range of ICs that are ideal for electric screwdrivers and other cordless power tools. We provide a full line of linear regulators suitable for powering motor control microcontrollers, Hall effect ICs for detecting motor rotation and rotation direction, Rail-to-Rail input CMOS operational amplifiers for calculating current. These ICs all feature low current consumption and compact size to contribute to long life of cordless power tool batteries and compact tool size. Our lineup also includes a great number of battery monitoring ICs for improving the safety of lithium-ion battery packs and secondary protection ICs that provide dual overcharge protection for even greater safety. They also ensure that applications using them comply with UL, IEC and other safety standards. ABLIC supplies a comprehensive range of ICs, from motor control through to battery monitoring that are all specially designed for electric power tools.

2. Block Circuit

  • MCU + analog front-end IC control method
  • Stand-alone protection IC control method
MCU + analog front-end IC control method

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Main unit side Battery pack side LED MCU AFE Lithium-ion battery Motor Shuntresistor Magnet(S/N, non-magnetic) MCU Magnet(switch) Inverter Simplebattery levelindication LDO Hall effectIC Hall effectIC Hall effectIC OPAMP Secondaryprotection IC VD WDT

*VD: Voltage detector (Reset IC) *LDO: Low-dropout regulator *WDT: Watchdog timer *AFE: Analog front-end IC

Stand-alone protection IC control method

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Main unit side Battery pack side LED MCU Lithium-ion battery Motor Shuntresistor Magnet(S/N, non-magnetic) NTCthermistor Magnet(switch) Inverter Simplebattery levelindication Hall effectIC Hall effectIC Hall effectIC OPAMP Battery Protection IC

*VD: Voltage detector (Reset IC) *LDO: Low-dropout regulator *WDT: Watchdog timer *AFE: Analog front-end IC

3. ICs ideal for Cordless Power Tools

ICs ideal for Cordless Power Tools - Linear Regulator

ICs ideal for Cordless Power Tools - DC-DC Converter

ICs ideal for Cordless Power Tools - Voltage Detector

ICs ideal for Cordless Power Tools - Magnetic Sensor

ICs ideal for Cordless Power Tools - Operational Amplifier

ICs ideal for Cordless Power Tools - Battery Protection IC

ICs ideal for Cordless Power Tools - Voltage Monitoring

ICs ideal for Cordless Power Tools - Secondary Protection IC

ICs ideal for Cordless Power Tools - Simple Battery Level Indication

ICs ideal for Cordless Power Tools - Watchdog Timer