TPSI3100-Q1
The TPSI3100-Q1 is a high-voltage, isolated gate driver designed for use in automotive and industrial power conversion systems. It features a robust isolation barrier rated at 5 kV RMS, ensuring reliable operation in harsh electrical environments while maintaining safety compliance with standards such as UL 1577 and IEC 61140. The device supports input voltages from 3.3 V to 5 V, making it compatible with low-power logic controllers like microprocessors and digital signal processors.
This integrated circuit delivers high peak current capability—up to 2 A—to drive high-side and low-side MOSFETs or IGBTs efficiently, minimizing switching losses and improving system efficiency. It includes built-in protection features such as under-voltage lockout (UVLO), desaturation detection, and active clamp functionality, which enhance reliability and reduce the risk of device failure during fault conditions. Additionally, the TPSI3100-Q1 incorporates an internal bootstrap diode and charge pump, simplifying external circuit design and reducing component count.
Designed for applications requiring precise timing control, the device offers adjustable dead time and propagation delay compensation, allowing engineers to optimize switching performance across varying load and temperature conditions. Its low propagation delay—typically less than 100 ns—ensures fast response times critical for high-frequency switching in inverters, motor drives, and DC-DC converters.
The TPSI3100-Q1 is qualified to AEC-Q100 Grade 1, making it suitable for automotive environments where temperature extremes, vibration, and electromagnetic interference are common. It operates reliably over a wide temperature range from -40°C to +125°C, supporting continuous operation in demanding conditions such as electric vehicle powertrains, onboard chargers, and battery management systems.
With its compact 8-pin SOIC package and low quiescent current, the TPSI3100-Q1 provides a space-efficient solution for modern power electronics designs. Its integration of advanced protection mechanisms and high-speed performance enables designers to build more compact, efficient, and safer systems without compromising on robustness or scalability.