(PDF) BA6970FS Datasheet - 2-phase motor driver for VCR cylinder motors

Número de pieza	BA6970FS
Descripción	2-phase motor driver for VCR cylinder motors
Fabricantes	ROHM Semiconductor
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No Preview Available ! Motor driver ICs 2-phase motor driver for VCR cylinder motors BA6970FS The BA6970FS is a direct-drive motor driver suitable for 2-phase, full-wave linear motors. The IC consists of a Hall ampli- fier control circuit, driver circuits, FG / PG signal amplifiers, and hysteresis amplifiers. FApplications VCR cylinder motors FFeatures 1) Linear drive system provides low switching noise. 2) Output current can be controlled by either current or voltage input. 3) Two amplifiers and two hysteresis amplifiers. 4) Constant supply voltage pin for hall devices. 5) High ratio of output current and control current. (4000 typically) 6) Available in a compact surface-mount package. FBlock diagram 594 1 page Motor driver ICs FInput / output circuits (1) ECV (22 pin) BA6970FS (4) I / O of amplifiers 1 and 2 Fig.1 (2) Coil output (8, 6, 5, 3 pin) Fig.2 (3) Hall inputs (9, 10, 11, 12 pin), ECI input Fig.4 (5) I / O of hysteresis amplifiers Fig.3 598 Fig.5 ∗Note that the resistance values can vary ±30% 5 Page

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PDF BA6970FS Data sheet ( Hoja de datos )