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MP6654 - BLDC Fan Driver

Description

The MP6654 is a single-phase brushless DC (BLDC) fan driver with integrated power MOSFETs and a Hall-effect sensor.

It can achieve up to 1A of peak current (IPEAK) across a wide 3V to 18V input voltage (VIN) range.

Features

  • a built-in, configurable curve speed function that is ideal for cooling fan.

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Full PDF Text Transcription

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MP6654 18V, Single-Phase, ESD-Enhanced, BLDC Fan Driver with Integrated Hall Sensor DESCRIPTION The MP6654 is a single-phase brushless DC (BLDC) fan driver with integrated power MOSFETs and a Hall-effect sensor. It can achieve up to 1A of peak current (IPEAK) across a wide 3V to 18V input voltage (VIN) range. The MP6654 controls the rotational speed through the pulse-width modulation (PWM) signal on the PWM pin. The device features a built-in, configurable curve speed function that is ideal for cooling fan applications, which require flexible speed curve control. The MP6654 provides rotational speed detection. The rotational speed detector (the FG/RD pin) is an open-drain output. It outputs a high or low voltage relative to the internal Hall comparator’s output.
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