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TC78S121FTG - Dual-Stepping Motor Driver

Description

of Motor Drive Modes TC78S121FTG (1) Stepping Motor (S) × 2 control mode pin name and assignment (2) DC Motor (L) × 2 control mode pin name and assignment (3) Stepping Motor (L) × 1 control mode pin name and assignment (4) DC Motor (S) × 4 control mode pin name and assignment (5) Stepping Motor (

Features

  • Single-chip motor driver for bipolar stepping motor control QFN48-P-0707-0.50 Weight: 0.137 (g).
  • Monolithic IC structured by CD process.
  • Low ON-resistance: Ron = 0.6 Ω In large mode, ON-resistance of combined H-bridges is (Ron) is 0.3 Ω.
  • Over-current detection (ISD), thermal shutdown (TSD) and VM power-on reset circuits.
  • Since the IC incorporates the VCC regulator for internal circuit operation, an external power supply (5 V) is not required.
  • Package: QFN48-.

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Full PDF Text Transcription

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TC78S121FTG TOSHIBA CD Process Integrated Circuit Silicon Monolithic TC78S121FTG PWM Chopper Type Dual-Stepping Motor Driver The TC78S121FTG is a PWM chopper type dual-stepping motor driver. Two stepping motor drivers can drive up to four brushed DC motors. Incorporating two pairs of H-bridge drivers, the TC78S121FTG can drive two DC motors or a single stepping motor. Features ● Single-chip motor driver for bipolar stepping motor control QFN48-P-0707-0.50 Weight: 0.137 (g) ● Monolithic IC structured by CD process. ● Low ON-resistance: Ron = 0.6 Ω In large mode, ON-resistance of combined H-bridges is (Ron) is 0.
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