TLP352(S)

Isolators - Gate Drivers Overview

The TLP352(S) is a high-speed photovoltaic gate driver optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates a GaAlAs infrared LED with a high-gain, high-speed photo-IC detector on a single chip. The device features a built-in Faraday shield to ensure high common-mode transient immunity of ±20 kV/µs. It operates within a supply voltage range of 15 V to 30 V and supports an output peak current of ±2.5 A. The component is rated for a working temperature range from -40°C to +125°C and provides an isolation voltage of 3750 Vrms.

Isolators - Gate Drivers Feature Summary

• Integrates a GaAlAs infrared LED and a high-gain, high-speed photo-IC detector on a single chip for compact design.
• Features a built-in Faraday shield layer to provide high common-mode transient immunity against noise.
• Capable of directly driving medium-capacity IGBTs or power MOSFETs without additional external drivers.
• Maintains specified performance and electrical characteristics across an extended operating temperature range.

Isolators - Gate Drivers Applications

• IGBT gate drive circuits in industrial inverters
• Power MOSFET gate drive applications
• Photovoltaic (PV) inverters
• Induction cooktop control systems

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix designation when ordering, as variations such as (S), (LF1,F), or (TP1,F) indicate differences in package type or reel configuration. Confirm that the required isolation voltage and thermal specifications align with the target application's safety standards. Ensure compatibility with the intended switching frequency and load requirements before finalizing procurement.

Isolators - Gate Drivers Selection Notes

Select this component for applications requiring direct gate driving capability with high noise immunity. The integrated Faraday shield makes it suitable for environments with significant electromagnetic interference. Consider the ±2.5 A output current capacity when sizing for specific IGBT or MOSFET loads. Verify that the 15 V to 30 V supply voltage range matches the system's available power rails.

Isolators - Gate Drivers Part Context

The TLP352 series belongs to Toshiba's line of logic-output optocouplers featuring totem-pole outputs. These devices are designed to replace discrete driver circuits by combining optical isolation with signal amplification. The series offers various package options to suit different PCB layout constraints while maintaining consistent electrical performance and isolation ratings.

Isolators - Gate Drivers Replacement Considerations

Public documentation identifies the TLP350 and TLP250 as alternative models for cost-effective substitution in similar gate drive applications. Verify pinout compatibility and electrical parameter alignment before replacing the TLP352(S) with these alternatives.