LM5100BSD

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The LM5100BSD is an advanced gate driver manufactured by Texas Instruments designed for gate driving of densely packed low- and high-MOSFETs. This PMIC - Gate Driver offers many features to both designers and consumers, including improved efficiency, superior thermal performance, and fast switching capability.

The LM5100BSD contains many components. It includes one N-MOSFET driver and one high-side P-MOSFET driver, each of which can provide a maximum gate driving current of up to 10A. It also contains two low-side regulated outputs, one temperature monitor, one groundable high-side floating source, one charge pump driver, and one general-purpose output.

In terms of control, the LM5100BSD provides both current control and voltage control. Current control is achieved by setting a current limit through an external resistor, while voltage control is accomplished by controlling an external voltage divider. The charge pump driver can be used to provide additional drive current to the high-side output if necessary.

The LM5100BSD provides superior thermal performance, thanks to its low thermal resistance and power SO8 package. It also features fast settling times for faster switching speeds, allowing both high-current and low-current applications to be performed quickly.

The LM5100BSD is most commonly used in applications requiring low- and high-power drives, such as in power converters and power supplies, motor control, lighting control, and charging systems. It is also used in DC-DC converting and mobile terminal applications.

In terms of operation, the LM5100BSD uses two separate circuits to drive the high-side and low-side MOSFETs. A P-MOSFET driver is used to drive the high-side MOSFET and an N-MOSFET driver is used to drive the low-side MOSFET. Both drivers can be enabled or disabled simultaneously, and the low-side driver also supports a skip cycle mode, allowing flexible control of the output current.

The LM5100BSD is a powerful PMIC – Gate Driver, offering superior thermal performance and fast settling times, making it suitable for both low- and high-current applications, such as power converters, power supplies, motor control, lighting control, and charging systems.

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