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BA6825FS Datasheet 2-phase Motor Driver For Vcr Cylinder Motors

Manufacturer: ROHM

Overview: Motor driver ICs 2-phase motor driver for VCR cylinder motors BA6825FS / BA6826FS The BA6825FS and BA6826FS are direct-drive motor drivers suitable for 2-phase, full-wave linear motors. They consist of a Hall amplifier control circuit and driver circuits.

Datasheet Details

Part number BA6825FS
Manufacturer ROHM
File Size 103.19 KB
Description 2-phase motor driver for VCR cylinder motors
Datasheet BA6825FS_Rohm.pdf

General Description

s 581 Motor driver ICs FInput / output circuits (1) Hall and ECI inputs BA6825FS / BA6826FS (2) Coil output FCircuit operation (1) The signal from the Hall device is amplified by the Hall amplifier and then supplied to the driver circuit.

The driver gain, which is constant, is regulated by changing the Hall amplifier gain with the input current on the output current control pin (ECI pin).

The motor rotational speed is sensed by the FG, and the output of which is F / I-converted and supplied to the ECI pin as a feedback signal, so that a constant rotational speed is maintained as follows : (1) The motor speed decreases.

Key Features

  • 1) Linear drive system provides low switching noise. 2) Constant supply voltage pin for hall devices. 3) High ratio of output current against control current. (4000 Typ. ) FBlock diagram 4) Available in compact surface-mount packages. 580 Motor driver ICs FAbsolute maximum ratings (Ta = 25_C) BA6825FS / BA6826FS FRecommended operating conditions FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 12V) FPin.

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BA6825FS Distributor