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34921 Key Features

  • Two Functionally Identical Pulse-Width Modulated (PWM) DC Motor Drivers
  • One Switching, One Linear, and One Dual-Mode Regulator
  • Dual Mode Switching/Linear 5.0 V Regulator
  • Supervisory Functions (Power-ON Reset and Error Reset Circuitry)
  • 8-Channel, 8-Bit Analog-to-Digital Converter (ADC)
  • Charge Pump for High-Side MOSFET Drive
  • Analog Quadrature Encoder
  • Pb-Free package is designated by suffix AE
  • This document contains information on a product under development. Specifications and information herein are subject to

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34921 Description

Freescale Semiconductor Technical Data MC34921 Rev 5.0, 07/2005 Configurable Motor Driver IC with Power Supplies The 34921 power IC integrates multiple motor drivers, multiple power regulators, and most other analog functions a small consumer motion-enabled product needs. The 34921’s circuitry is fully protected with current limiting, short-circuit shutdown, over-temperature, overvoltage, and under-voltage...