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BA6870S - 3-phase motor driver

Description

BA6870S FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC1 = 5V, VM = VCC2 = 12V) FCircuit operation (1) Pseudo-linear output and torque ripple cancellation The IC generates a trapezoidal (pseudo-linear) output current, whose waveform phase is 30 degrees ahead of that of the Ha

Features

  • 1) 3-phase, full-wave, pseudo-linear driver system. 2) High performance torque ripple cancellation circuit. 3) Reversal braking by detecting the motor direction. 4) Saturation prevention circuit for high- and low-side output transistors. FAbsolute maximum ratings (Ta = 25_C) 5) Motor power supply series regulators. 6) Built-in circuit for output-to-GND short-circuit detection. FRecommended operating conditions (Ta = 25_C) 666 Motor driver ICs FBlock diagram BA6870S 667 Motor driver ICs FP.

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Datasheet Details

Part number BA6870S
Manufacturer ROHM
File Size 135.04 KB
Description 3-phase motor driver
Datasheet download datasheet BA6870S Datasheet
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Full PDF Text Transcription

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Motor driver ICs 3-phase motor driver BA6870S The BA6870S is a 3-phase, full-wave, pseudo-linear motor driver suited for VCR capstan motors. The IC has a torque ripple cancellation circuit to reduce wow and flutter, and an output transistor saturation prevention circuit that provides superb motor control over a wide range of current. The built-in motor power series regulator allows applications with low power consumption. FApplications 3-phase VCR capstan motors FFeatures 1) 3-phase, full-wave, pseudo-linear driver system. 2) High performance torque ripple cancellation circuit. 3) Reversal braking by detecting the motor direction. 4) Saturation prevention circuit for high- and low-side output transistors. FAbsolute maximum ratings (Ta = 25_C) 5) Motor power supply series regulators.
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