RT9742FGJ5

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RT9742FGJ5 belongs to Product Category of PMIC - Power Distribution Switches, Load Drivers. This device is a single-channel, N-Channel enhancement-mode, Programmable Current Slew-Rate Gate Drivers that can operate from a 6V-35V range, allowing designers to program the peak and valley currents in order to optimize the gate turn-on, turn-off, and reverse current for a wide range of applications. Compared with traditional latching gate drivers, RT9742FGJ5 can provide better switching performance, higher power delivery to the gate, and very low ON-state resistance.

Application field of RT9742FGJ5:

• White Goods – Refrigerators and Washing Machines
• Industrial Motors – AC and DC Motors
• Power Tools – Drills, Sanders, Saws
• Electric Vehichles
• Inverters
• Power Supplies
• Home Appliances – Vacuums and air conditioners

RT9742FGJ5 also provides excellent temperature performance and robust ESD protection. It is AEC-Q100 certified, which makes it suitable for automotive and other harsh environment applications.

Working Principle of RT9742FGJ5:

RT9742FGJ5 can be operated as a power switch, load driver, or even mixed-mode switch depending on the application. The device operates with regulators that supply a regulated low-voltage output for the low-side of a power switch or load driver. The peak and valley currents are programmed using an external resistor divider across the REXT pin, in order to optimize the on, off and reverse currents for a wide range of applications. The device has an enable input which can be set high in order to enable the device and low to enable the lower on resistance mode of the device with a reduced sink current.

When controlling power switches, RT9742FGJ5 is a single output driver, which is capable of controlling a variety of low-side power switches. The device features a high-side driver with a selectable logic level defined by the enable input voltage. It is capable of providing slew-rate control and ESD robustness, while the programmable current ensures the optimal performance of the power switch. The external resistor divider provides a simple method of programming the peak and valley currents to ensure proper control of the power switch.

When controlling load drivers, RT9742FGJ5 is capable of controlling a variety of low-side and high-side drivers. The device provides a higher switching capability due to the programmable current, allowing for higher power delivery to the load drivers. The programmable slew-rate ensures a smooth transition of the load drivers, ensuring a robust and reliable operation. The device also integrates robust ESD protection for enhanced reliability.

The RT9742FGJ5 is a programmable current/slew rate gate driver for various applications. It offers excellent temperature performance, robust ESD protection and AEC-Q100 qualification. This makes it ideal for automotive, industrial, and other harsh environment applications. It can operate in a wide range of voltage, while its programmable current allows designers to optimize the gate turn-on and turn-off, as well as reverse current for a wide range of applications.

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