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LB1877M - Brushless Motor Driver

General Description

Pin number Pin name Pin voltage VCC 1.8V to 5.0V 18 GND 9 12 VREF 0.7V to 0.9V Equivalent circuit Unit (resistance: Ω, capacitance: F) Pin function Power supply for all circuits Ground for all circuits except FC and power block.

Internal reference voltage.

Key Features

  • Brushless sensorless motor drive (3-phase half-wave drive) Forward/reverse drive possible Built-in speed control function (voltage servo) Built-in reference voltage (0.9V) Soft switching 1.8 max 12.6 1.5 0.15 0.35 1.27 0.59 0.1 SANYO : MFP20 Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Maximum output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max IO max.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ordering number : EN6199A LB1877M Monolithic Digital IC LB1877M Brushless Motor Driver with Speed Control for Portable Cassette Recorders Overview The LB1877M is a motor driver well suited for driving motors of minicassette recorders, headphone stereos, and microcasette recorders that use a 3V power supply. Package Dimensions unit: mm 3036B-MFP20 [LB1877M] 20 11 6.35 Functions and Features • • • • • Brushless sensorless motor drive (3-phase half-wave drive) Forward/reverse drive possible Built-in speed control function (voltage servo) Built-in reference voltage (0.9V) Soft switching 1.8 max 12.6 1.5 0.15 0.35 1.27 0.59 0.