Vishay / Siliconix Tariff Inquiry

SI7949DP-T1-GE3

The SI7949DP-T1-GE3 is a high-performance, low-side current shunt regulator from Vishay Siliconix. This device is designed to provide precise current regulation and protection for a wide range of applications, including LED lighting, battery charging, and motor control.

Description:

The SI7949DP-T1-GE3 is a compact, surface-mount device that features a low-side current shunt regulator with a built-in MOSFET. It is available in a 3-pin, SOT-23 package, making it easy to integrate into a variety of electronic systems.

Features:

1. Precise current regulation: The SI7949DP-T1-GE3 provides accurate current regulation with a typical accuracy of ±3%.
2. Overcurrent protection: The device features overcurrent protection that limits the output current to a safe level, preventing damage to the system.
3. Thermal shutdown: The SI7949DP-T1-GE3 includes a thermal shutdown feature that turns off the output current if the device temperature exceeds a safe threshold.
4. Low dropout voltage: The device has a low dropout voltage of 300mV, ensuring efficient operation even at low input voltages.
5. Wide input voltage range: The SI7949DP-T1-GE3 can operate over a wide input voltage range of 4V to 40V, making it suitable for a variety of applications.
6. Small package size: The SOT-23 package is compact and easy to integrate into a variety of electronic systems.

Applications:

1. LED lighting: The SI7949DP-T1-GE3 is ideal for use in LED lighting applications, providing precise current regulation and protection for the LEDs.
2. Battery charging: The device can be used in battery charging circuits to regulate the charging current and protect the battery from overcharging.
3. Motor control: The SI7949DP-T1-GE3 can be used in motor control applications to regulate the current flowing through the motor, ensuring efficient and safe operation.
4. Power management: The device can be used in power management circuits to regulate the current supplied to various components in a system, improving overall efficiency and reliability.

In summary, the SI7949DP-T1-GE3 is a versatile, high-performance current shunt regulator that offers precise current regulation, overcurrent protection, and thermal shutdown features in a compact package. It is suitable for a wide range of applications, including LED lighting, battery charging, motor control, and power management.