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H-bridge motor driver for automotive DC motor driving

Quantity $ per Unit Savings
1 - 9$6.070%
10 - 24$5.4510%
25 - 99$5.0916%
100 - 249$4.4726%
250 - 300$4.2330%
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Parameter NameParameter Value
Operating RangeAutomotive
Supply Voltage Min Volt4.0
Supply Voltage Max Volt28.0
Packing TypeTape And Reel
RoHs compliantEcopack2
Package NamePWSSO 36

The device is a DC motor driver for automotive applications. It integrates a full protected dual high-side driver and the drivers and protections for the two external power MOSFETs in low-side configuration.

The device is designed using STMicroelectronics’ well known and proven proprietary VIPower technology that allows to efficiently integrate on the same die a true PowerMOSFET with an intelligent signal/ protection circuitry. The device is housed in a PowerSSO-36 exposed pad package to optimize the dissipation performances.

The input signals INA and INB can directly interface the microcontroller to select the motor direction and the brake conditions. Two selection pins (SEL0 and SEL1) are available to address to the microcontroller the information available on the MultiSense. The MultiSense pin allows to monitor the motor current, provides a voltage proportional to the battery value and the information on the temperature of the chip. The integrated protections are: load current limitation, overload active power limitation (with latch-off), overtemperature shutdown (with latch-off) and cross current protection.

Key features
  • AEC-Q100 qualified
  • Output current: 38 A
  • Dual fully protected HSD with MultiSense feedback
  • Two integrated drivers for the external LSDs
  • 3 V CMOS compatible inputs
  • Protections:
    • Undervoltage shutdown
    • Overvoltage clamp
    • Thermal shutdown
    • Load current limitation
    • Self-limiting of fast thermal transients (Power Limitation)
    • Cross current protection
    • Shoot through protection
    • Loss of ground and loss of VCC
    • Electrostatic discharge protection
    • Drain and source voltage monitoring of the external power MOSFETs, configurable via an external resistance (short-to-battery protection)
  • PWM operation up to 20 kHz for external LSDs
  • MultiSense monitoring functions
    • Analog motor current feedback
    • Chip temperature monitoring
    • Battery voltage monitoring
  • MultiSense diagnostic functions
    • Output short to ground detection
    • Thermal shutdown indication
    • OFF-state open-load detection
    • Output short to VCC detection
  • Standby mode
  • Half bridge operation
  • Charge pump output for reverse battery protection
  • Package: ECOPACK