LM5101ASD Integrated Circuits (ICs)

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The LM5101ASD is a power management integrated circuit (PMIC) designed as a GateDriver. This device provides two N-channel MOSFET gate drive outputs that are each capable of sourcing up to 10A and sinking up to 8A. The LM5101ASD also features an integrated parallelable current-limit circuit that is capable of limiting the load current up to 25A.

The LM5101ASD features a power supply voltage range of 4.5V to 20V and is suitable for use in a variety of industrial and automotive applications. Its wide operating temperature range (-40°C to +105°C) and low power dissipation make it suitable for applications requiring extended temperature range operation.

The LM5101ASD is a versatile Gate Driver that can be used in a variety of applications. It can be used as an Inverter, Buck, Boost, Half-Bridge, Single-Ended Primary Inductor Converter (SEPIC) or Cuk Converter. It can also be used for driving fans, solenoids, relays and high power LEDs.

The LM5101ASD is suitable for driving high-side power MOSFETs and IGBTs. It features an insulated gate drive and control circuitry with protection features that help prevent accidental conduction of the power MOSFETs or IGBTs. The device also features a programmable gate drive voltage, which allows the user to choose the optimal voltage for their application.

In addition, the LM5101ASD features a PWM or pulse-width modulation output, which can be used to control the output current or frequency. The PWM has an adjustable current limit to prevent overcurrent conditions. The PWM dimming function allows for smooth control of current for dimming applications.

The working principle of the LM5101ASD is based on active voltage clamping. This circuitry actively monitors the voltage at the output and clamps any overvoltage conditions. The resulting clamping voltage is adjustable, thus providing flexibility in the design. The active voltage clamping also enables improved power efficiency, since it prevents excessive power dissipation.

The LM5101ASD is an ideal power management integrated circuit for driving high-side power devices in a variety of industrial and automotive applications. Its wide operating temperature range and low power dissipation make it suitable for extended temperature range applications.

The device features an integrated current-limit protection circuit and programmable gate-drive voltage, as well as a PWM output for controlling output current and dimming applications. Its active voltage clamping ensures improved power efficiency and reduces power dissipation.

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