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STMicroelectronics STSPIN958 Scalable Full-Bridge Driver

STMicroelectronics STSPIN958 Scalable Full-Bridge Driver is a 5A device with a high dynamic performance power stage that allows users to achieve high-frequency PWM control with a precise duty cycle. STSPIN958 features an adjustable threshold current limiter and off-time with slow or mixed decay selection for brushed DC motors. Using an external shunt resistor, two amplifiers with fixed amplification factors provide current sensing. An adjustable slew-rate guarantees the best trade-off between performances and EMI. The STMicroelectronics STSPIN958 Driver provides a versatile power stage with seven different ways of operation for a high level of flexibility and a complete set of protection features, including overcurrent, overtemperature, and low bus voltage detection.

Features

  • Operating voltage up to 58V
  • Maximum output current up to 5ARMS
  • 7x driving methods with dual half-bridge, single full-bridge, and half-bridge parallel mode
  • RDS(ON) HS + LS = 0.33Ω typical
  • Adjustable power MOS slew rate
  • Adjustable OFF-time with slow or mixed decay
  • Integrated amplifiers with 2x different embedded current control techniques
  • Low consumption standby
  • Protections
    • UVLO
    • Overcurrent protection
    • Thermal shutdown

Applications

  • Stage lighting
  • Factory automation
  • ATM and money-handling machines
  • Textile machines
  • Home appliances
  • Robotics
  • Antenna control
  • Vending machines

Specifications

  • 2.8V to 3.6V control logic supply voltage range
  • 5.05V to 58V power stage supply voltage range
  • 3V typical bootstrap overdrive voltage
  • -0.6V to +2V low-side source voltage range
  • 0V to 5V logic input range
  • Up to 5ARMS maximum DC output current
  • Up to 8mA maximum open drain outputs sink current
  • 280ns minimum PWM pulse width
  • 10kΩ to 120kΩ enabled current limiter time setting resistor range
  • 0.1nF to 5.6nF enabled current limiter time setting capacitor range
  • 170µs typical charge pump capacitor charging time
  • 0kHz to 500kHz switching frequency range
  • 1µF typical bootstrap capacitor
  • 100nF typical charge pump capacitor
  • Temperature ranges
    • -40°C to +85°C ambient
    • -40°C to +150°C junction

Block Diagram

Block Diagram - STMicroelectronics STSPIN958 Scalable Full-Bridge Driver

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STMicroelectronics STSPIN958 Scalable Full-Bridge Driver