Hand-held power tools-士兰微电子英文官网

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Home Appliances

Outdoor Air Conditioner Indoor Air Conditioner Washing Machine Refrigerator Fan Smoke Exhauster Air Purifiers Dishwasher Pump Small Home Appliances Electric Tools Water Pump Relay Driver DC Lamp Driver Step Motor Driver Magnet Valve DC Motor Household Appliances

Electric Vehicle Frequency Converter E-bike Charger Electric Tools Electric Welder Motor Inverter Walkie-talkies Low Voltage Half Bridge Drive Brushless DC Fan Brushless DC Motor Communication Base Station Security Camera Low Power Inverter Photovoltaic Inverter

LED Lamp Ceiling Lamp Down Lamp Street Light Bulb Lamp T5/T8 LED Lamp AC Input LED Lighting Dimming LED Driver Intelligent LED Driver Various LED Lighting Applications LED Dimming Recessed Light GU10 LED Spotlight PAR Lamp Car LED headlights

Car-mounted Charger New Energy Vehicle Drive Automobile air conditioning compressor

Consumer

AC-DC SMPS DC-DC Power Inverter LCD Driver Charger Multi-function Remote Control High-voltage H-bridge PWM Driver Personal Medicine Equipment Password Lock Flat Panel Monitor Adaptor Wrist Strap Mobile Phone Accessories Microprocessors Protection Regulator Circuit Mobile Power Supply Audio Equipment Self-learning Remote Control Mobile Phone Somatosensory Remote Control Navigator Remote Control Air Conditioning Controller Motor Control Power Management Smart Meters Panel Display Wireless Node HID Office Automation The Internet of Things Module Electronic Cigarette PC small serve motor control

CD Player Car Audio Personal Audio MIC Sound Processing Voice System Processing Audio Processing System Soundbar Switch Power Supply

LED Chip

Digital product Phone Backlight Display screen Landscape lighting General lighting Digital tube Mobile lighting Agriculture & horticulture lighting Automative Lighting Traffic light Stage light Security Remote control Optocoupler Electronic whiteboard

Hand-held power tools

Description Topology

Permanent magnet synchronous motor (PMSM) is widely used due to its advantages such as high efficiency, small size, simple structure and fast dynamic response. For the application of power tools, the overall scheme adopts intelligent power controller (SPC5L18A)+ power MOS(SVT042R5NL). The high speed holeless comparator algorithm is used for motor control, and the cost of electronic control is reduced by the Holeless scheme. At the same time, it has the advantages of small volume, large power and so on.

SPC5L18A is a high-performance controller developed specifically for motor control and CNC power control. It uses a single cycle 52 kernel, embedded 16K byte Flash memory, 256 byte internal data memory and 1K byte external data memory. It integrates six NMOS Pre-driver, two LDOs, two high-speed operational amplifiers, four comparators, high-speed ADC and multiplication and division unit (MDU). At the same time, the built-in 16MHz high-precision oscillator, multiple general timers, UART, SPI and special timer T6L for motor control so that users can design such systems with maximum flexibility and minimum overall cost.

Topology

The overall scheme topology of hand-held power tools is as follows:

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