SM74104SD/NOPB

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PMIC - Gate Drivers are a type of semiconductor integrated circuit (IC) that controls the operation of gate devices. The gate device is usually a metal-oxide-semiconductor (MOS) field-effect transistor (FET) that switches on or off a load device, providing the necessary switching control functionality. PMICs are used in various different applications and are designed to provide the necessary gate control signals while consuming minimal power.

The SM74104SD/NOPB (SM74104) is an example of a PMIC - Gate Driver designed for use in high reliability, low power applications. The device features an input voltage range of 7V to 24V allowing it to be used in a variety of applications, including computer and consumer equipment, automotive electronics, and power supplies. The device is also qualified for the AEC-Q100 Grade 2 temperature range. The SM74104 provides fast switching performance at a minimum gate drive current of 4A and is capable of driving up to 80V MOSFET gates.

The SM74104 is a simple yet feature-rich Gate Driver, providing both logic level and voltage level control. The logic level control provides direct control of the gate voltage, allowing for easy integration into microcontroller-based systems. The voltage level control allows for suppression of the natural ringing resonance that can occur when switching high-side MOSFETs. The device also features a wide supply voltage range, adjustable dead time, thermal protection, and short-circuit protection.

The SM74104SD/NOPB uses a P-channel MOSFET as the output stage to provide the necessary transient performance and power savings. The device can drive up to 70mA at the gate of an N-channel MOSFET when in the ‘On’ state and up to 70mA at the gate of a P-channel MOSFET when in the ‘Off’ state. The device also features a programmable dead time and slope compensation. This allows the SM74104 to accurately control the turn ON/OFF and rise/fall times of the MOSFET, preventing unnecessary losses of energy due to switching.

The SM74104 is an ideal solution for a variety of high-reliability, low power applications. With its wide operating voltage range, adjustable dead time, and programmable dead/slope times, the device can be used in a range of applications, including high-power motor control, point-of-load for step-down converters, and noise reduction for switching power supplies. Additionally, it can also be used for audio power amplifiers and brushless DC motor controllers.

In summary, the SM74104SD/NOPB is an ideal PMIC - Gate Driver for use in high reliability, low power applications. With its wide input voltage range, adjustable dead time, and programmable dead/slope times, the device provides a cost-effective solution for gate drive applications. With its ability to support up to 70mA at its output, the device can be used for a variety of low power applications.

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