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VNH7100AS：Automotive fully integrated H-bridge motor driver

The device is a full bridge motor driver intended for a wide range of automotive applications. The device incorporates a dual monolithic high-side driver and two low-side switches.

Both switches are designed using STMicroelectronics’ well known and proven proprietary VIPower^® M0 technology that allows to efficiently integrate on the same die a true Power MOSFET with an intelligent signal/protection circuitry. The three dies are assembled in SO-16N package on electrically isolated leadframes.

Moreover, its fully symmetrical mechanical design allows superior manufacturability at board level. The input signals IN_A and IN_B can directly interface the microcontroller to select the motor direction and the brake condition. A SEL0 pin is available to address the information available on the MultiSense to the microcontroller. The MultiSense pin allows to monitor the motor current by delivering a current proportional to the motor current value.

The PWM, up to 20 kHz, allows to control the speed of the motor in all possible conditions. In all cases, a low level state on the PWM pin turns off both the LS_A and LS_B switches.

Key Features

• Automotive qualified
• Output current: 15 A
• 3 V CMOS-compatible inputs
• Undervoltage shutdown
• Overvoltage clamp
• Thermal shutdown
• Cross-conduction protection
• Current and power limitation
• Very low standby power consumption
• Protection against loss of ground and loss of VCC
• PWM operation up to 20 kHz
• MultiSense diagnostic functions
  • Analog motor current feedback
  • Output short to ground detection
  • Thermal shutdown indication
  • OFF-state open-load detection
  • Output short to VCC detection
• Output protected against short to ground and short to VCC
• Standby Mode
• Half Bridge Operation
• Package: ECOPACK®

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