Product 產品介紹
Product 產品介紹
DC Motor Driver A4950: Full-Bridge DMOS PWM Motor Driver
DC Motor Driver A4950: Full-Bridge DMOS PWM Motor Driver
DESCRIPTION:
Designed for pulse width modulated (PWM) control of DC motors, the A4950 is capable of peak output currents to ±3.5 A and operating voltages to 40 V.

Input terminals are provided for use in controlling the speed and direction of a DC motor with externally applied PWM control signals. Internal synchronous rectification control circuitry is provided to lower power dissipation during PWM operation.
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Features and Benefits:
  • Low RDS(on) outputs
  • Overcurrent protection (OCP)
    • Motor short protection
    • Motor lead short to ground protection
    • Motor lead short to battery protection
  • Low Power Standby mode
  • Adjustable PWM current limit
  • Synchronous rectification
  • Internal undervoltage lockout (UVLO)
  • Crossover-current protection
  • A4950K is AEC-Q100 Grade 1 qualified
  • Commercial temperature grade (A4950E: -40°C to 85°C )
  • Automotive temperature grade (A4950K: -40°C to 125°C)

Function Block Diagram:



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