HA13605A - Hitachi Semiconductor

HA13605A Three-Phase Brushless Motor Driver

The HA13605A is a three-phase brushless motor driver IC that provides digital speed control on chip. It was developed for use as the drum motor driver in plain paper copiers and has the following functions and features. Functions • • • • • • • • • • Three-phase output circuit that can provide a maximum of 4.5 A at 35 V per phase Digital speed control Crysta.

Features

Functions
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• Three-phase output circuit that can provide a maximum of 4.5 A at 35 V per phase Digital speed control Crystal oscillator circuit (10 MHz maximum) FG amplifier Speed monitor (lock detection output) Current control circuit Overvoltage protection circuit (OVSD) Thermal protection circuit (OTSD) Low voltage protection circuit (LVI) Forward/reverse switching circuit Features
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• High breakdown voltage, large currents Direct PWM drive outputs Employs DMOS Low on resistance: 0.7 Ω/DMOS maximum No lower arm flywheel diode is required HA13605A Pin Description Pi.