2024年1月24日发(作者：)

Microchip MTD6505三相BLDC马达控制解决方案

公司的MTD6505是三相全波无BLDC马达控制器,具有180度正弦驱动,modulation (PSM) or pulse-width modulation ().

The compact packaging and the minimal bill-of material make the

MTD6505 device extremely cost efficient in fan applications. For

高转矩输出和宁静驱动,工作2V到5.5V,内置频率发生器(FG),锁住庇example, the CPU cooling fans in notebook computers require

护和自动复原,过流限制,热关断庇护和风细雨过压庇护.主要用在笔记designs that provide low acoustic noise, low mechanical

本电脑CPU冷却风扇和5V三相BLDC马达.本文介绍了MTD6505主要特vibration, and are highly efficient. The frequency generator (FG)

性,方框图,典型应用电路以及三相BLDC无传感器风扇控制器演示板主output enables precision speed control in closed-loop

要特性,和材料清单.

applications.

The MTD6505 device is a 3-phase full-wave sensorless driver for

The MTD6505 device includes Lockup Protection mode to turn off

brushless DC (BLDC) motors. It features 180° sinusoidal drive,

the output current when the motor is in a lock condition, with

high torque output and silent drive. With the adaptive features,

an automatic recovery feature to restart the fan when the lock

parameters and wide range of power supplies (2V to 5.5V), the

condition is overcurrent limitation and thermal

MTD6505 is intended to cover a broad range of motor

shutdown protection are included for safety enhanced operations.

characteristics, while requiring minimum external components.

The MTD6505 is available in a compact, thermally enhanced, 3mm

Speed control can be achieved through either power supply

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