• Product Introduction

TPS28225D 8-pin high-frequency 4A suck current synchronous MOSFET driver

illustrate   TPS28225 and TPS28226 are N-channel free and adaptive dead-time control drive power MOSFET high-speed drivers. These drivers are optimized for a variety of uses in high-current one-phase and multi-phase DC-to-DC converters. The TPS28225/6 is a solution that offers high efficiency, small size, and low EMI emmissions. It achieves up to 8.8 10V gate drive voltage, 14 ns adaptive dead time control, 14 ns propagation delay, and high current 2-A source and 4A sink drive functions. 0.4 - Targeting lower gate drive impedance keeps the gate of the power MOSFET below the threshold and ensures that there is no pass-through current conversion at high dV/dT phase nodes. The bootstrap capacitor's internal diode charging allows the use of a half-bridge configuration for N-channel MOSFETs.   characteristic   Adaptive dead time of 14-ns to drive two N-channel MOSFETs Wide gate drive voltage: 4.5 V to 8.8 V for optimal efficiency 7 V to 8 volts Wide power system train input voltage: 3 V to 27 V Wide input PWM signal: amplitude from 2.0 V to 13.2 - V It is capable of driving the current and ≥ of the MOSFET 40 per phase High frequency operation: 14 ns propagation delay 10 ns rise/fall time allows F SW - 2 MHz Capable of propagating "30-ns PWM pulse input The resistor on the low-side driver receiver (0.4) prevents the associated pass-through current of dV/dt Three-state shutdown PWM input power stage Space-saving enables (input) and powers good (output) signals on the same pin Thermal shutdown UVLO protection Built-in bootstrap diode Economical SOIC - 8 and thermally enhanced 3 mm x 3 mm 8-pin DFN packages High popularity of three-state input driver performance replacement apply Multiphase DC-to-DC converters are analog or digitally controlled Desktop and server Vrms and EVRDs Portable/laptop adjustment Isolated power supply with synchronous rectification