L9352B-LF

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The L9352B-LF is a microcontroller-controlled power distribution switch, load driver, and MOSFET driver. It provides 3-A of controlled output current and up to 26 V of controlled voltage to drive MOSFETs and other high side loads. The device features an I2C/SPI compatible interface and an in-line package with an exposed heat sink pad. The L9352B-LF provides a flexible power distribution, load driving and MOSFET driving solution for multiple applications such as power management, industrial, consumer and automotive systems.

The L9352B-LF is optimized for high current applications and can be used to directly control a wide range of MOSFETs. The device is designed to drive low voltage MOSFETs from 8 V to 26 V and offers an adaptive Zener diode to minimize switching losses and reduce transients during switching events. It also provides an adjustable current limit to ensure a controlled power-up sequence and safe device operation.

The L9352B-LF’s integrated power distribution switch is user-configurable for different applications and can be used to control multiple MOSFETs and loads from a single I2C/SPI interface. The power switches are designed to offer up to 3-A of load current and 2-A of output current and are able to withstand up to -40 V of external power. The device also provides a programmable slew rate control and a reverse-blocking path to protect the system and loads.

The L9352B-LF features a patented overvoltage and overcurrent protection feature called PAT (Protection Against Transients), which helps protect systems from voltage and current transients. The device also has an integrated temperature monitor that measures the temperature of the MOSFET and other components of the system and provides a thermal feedback to the system for improved reliability.

The L9352B-LF provides an integrated load conditioning-compensation network to improve system performance. The load conditioning-compensation network provides a load-transfer resistor, an adjustable diode and bypass capacitor. The diode helps to improve system stability by minimizing load current ripple while the resistor helps to minimize switching losses. The bypass capacitor helps to reduce the amplitude of inrush current sporadically generated by the system, thereby improving overall system reliability.

The L9352B-LF provides a comprehensive set of features and protections, making it the perfect solution for a variety of applications. The device is ideal for high current applications requiring power distribution, load control and MOSFET driving in power management, industrial, consumer and automotive systems.

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