TLP251(F)

Isolators - Gate Drivers Overview

The TLP251(F) is a high-speed gate driver optical coupler manufactured by Toshiba Semiconductor and Storage. It integrates an AlGaAs LED with a photodetector and a totem-pole output stage, providing a peak output current of 0.4 A. The device features a 2500 Vrms isolation voltage and operates within a temperature range of -20°C to 85°C. Key electrical parameters include a forward voltage of 1.6 V (max 1.8 V), a forward current of 20 mA, and a minimum input current of 10 mA. Packaged in an 8-pin DIP format with through-hole mounting, it measures 6.4 mm in width.

Isolators - Gate Drivers Feature Summary

• Integrates a totem-pole output stage for direct IGBT or MOSFET gate driving
• Provides high-speed signal transmission via AlGaAs LED technology
• Ensures electrical safety with 2500 Vrms isolation capability

Isolators - Gate Drivers Applications

• IGBT gate drive circuits
• MOSFET gate drive circuits
• Inverter systems
• PV inverters
• Induction cooktops

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix designation against the manufacturer's official documentation to confirm pinout configuration and package variant. Ensure compliance with RoHS standards and lead-free requirements as specified in the latest datasheet. Confirm that the procurement source provides authentic Toshiba Semiconductor and Storage products to guarantee performance reliability and technical accuracy.

Isolators - Gate Drivers Selection Notes

Select this component when a dedicated gate driver interface is required between control logic and power switches. The integrated totem-pole output eliminates the need for external pull-up resistors, simplifying circuit design. Consider the 0.4 A peak current capability and 2500 Vrms isolation rating to ensure compatibility with the target power stage voltage levels and switching speed requirements.

Isolators - Gate Drivers Part Context

The TLP251(F) belongs to Toshiba's family of high-speed gate driver optocouplers designed for power electronics applications. It serves as a bridge between low-voltage control circuits and high-voltage power devices. The device is part of a series that includes variants like the TLP250, offering specialized solutions for industrial motor drives and renewable energy systems requiring robust galvanic isolation.

Isolators - Gate Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence with other gate driver optocouplers based on pinout, isolation voltage, and output current specifications before substitution.