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VNH7040AY Datasheet(PDF) 1 Page - STMicroelectronics |
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VNH7040AY Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 48 page  This is information on a product in full production. May 2017 DocID028118 Rev 5 1/48 VNH7040AY Automotive fully integrated H-bridge motor driver Datasheet - production data Features AEC-Q100 qualified Output current: 35 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 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 – High-side power limitation indication – Low-side overcurrent shutdown indication – Output short to VCC detection Output protected against short to ground and short to VCC Standby mode Half bridge operation Package: ECOPACK® Description 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. All 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 dice are assembled in a PowerSSO-36 package equipped with three exposed islands for optimized dissipation performances. This package is specifically designed for the harsh automotive environment and offers improved thermal performance thanks to exposed die pads. A Multisense_EN pin is available to enable the MultiSense diagnostic. The input signals INA and INB can directly interface the microcontroller to select the motor direction and the brake condition. 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 by delivering a current proportional to the motor current value and provides also the diagnostic feedback according to the implemeted truth table. When MultiSense_EN pin is driven low, MultiSense pin is in high impedance condition. 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 LSA and LSB switches. Type RDS(on) Iout Vccmax VNH7040AY 40 m typ per leg) 35 A 38 V PowerSSO-36 TP www.st.com |
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