VN920D-B5

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VN920D-B5 is an innovative power management integrated circuit (PMIC) designed for use in automotive and light commercial vehicle applications. It provides dependable power conversion, component protection, and power distribution that is suitable for truck, bus, and RV applications. This PMIC is designed to reduce board level components as much as possible for thermal and reliability reasons. The integrated power control, discrete voltage control, and operational safety features also make this product capable of providing general purpose and mobile vehicle platforms with the power they need.

This integrated circuit features a 4A high side power switch and an independent low side MOSFET driver, both of which can be configured 16V to 42V. In addition to the power switching functions, VN920D-B5 also provides a number of system protection features including overvoltage protection and thermal shutdown. The integrated adjustable current limit, fast on-chip transient voltage limiter and fault detect also provide system protection against faults including supply voltage, junction temperature, overcurrent, and ESD.

VN920D-B5 designed for applications such as automotive and light commercial vehicle applications. The device is designed for applications such as power module designs, automotive battery charging, automotive power windows, and vehicle motion control. For the automotive industry, the IC can be used in circuit designs for lighting and climate control, airbag inflation, rear view camera bus control, power seat control, and power steering. In mobile vehicle platforms, the device is suitable for applications such as door and window control, cargo motor control, and RV power systems.

VN920D-B5 works by regulating voltage, monitoring temperature, and supplying power. The power control is designed to detect current or voltage levels that are not in the specified range and react accordingly. The voltage regulation is provided by current control and voltage limit circuitry which ensures that voltage across the load remains within a desired range. The temperature control works by monitoring junction temperature and turning off the power switches when a specified threshold is exceeded. The power supply is managed through independent power switches which can be switched on and off as required in order to optimize efficiency and power distribution.

VN920D-B5 is a highly versatile and dependable power distribution switch, load driver and temperature control PMIC. It is designed to offer system designers an efficient, robust and reliable solution for various automotive and light commercial vehicle applications. The device features an adjustable current limit, overvoltage protection, Thermally control shutdown, fast on-chip transient voltage limiter, and Fault detect. The integrated 4A high side power switch and independent low side MOSFET driver can be configured 16V to 42V. This makes VN920D-B5 an ideal choice for power supply, voltage regulation, power distribution, system protection, and more.

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