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TA7774F - Stepping Motor Driver IC

Description

Pin No.

Features

  • z One-chip two-phase bipolar stepping motor driver z Power saving operation is available. z Standby operation is available. Current consumption ≤ 115 μA z Built-in punch-through current restriction circuit for system reliability and noise suppression z TTL-compatible inputs INA, INB, and PS pins z High driving ability TA7774P/PG/F/FG : IO(START) 350 mA (MAX): VS1 ENABLE : IO(HOLD) 100 mA (MAX): VS2 ENABLE TA7774FAG : IO(START) 100 mA (MAX): VS1 ENABLE : IO(HOLD) 50 mA (MAX): VS2 ENABLE z Typical.

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Full PDF Text Transcription

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TA7774P/PG/F/FG TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA7774P/PG, TA7774F/FG, TA7774FAG Stepping Motor Driver IC The TA7774P/PG and TA7774F/FG/FAG are two-phase bipolar stepping motor driver ICs designed especially for 3.5- or 5.25-inch FDD head actuator drives. The ICs have a dual-bridge driver supporting the bipolar driving of induced loads, a power-saving circuit, and a standby circuit. They are ideal for achieving reduced set size and lower power consumption. Features z One-chip two-phase bipolar stepping motor driver z Power saving operation is available. z Standby operation is available.
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