TLX9378(TPL,F

Overview

The TLX9378(TPL,F is a single-channel logic output optocoupler manufactured by Toshiba Semiconductor and Storage. It features an open collector output and operates within a temperature range of -40°C to +125°C. Key electrical parameters include a maximum propagation delay of 100 ns, with rise and fall times of 90 ns and 30 ns respectively. The device supports a continuous output current of 25 mA and dissipates up to 50 mW. It provides an insulation voltage of 3750 Vrms and is housed in an SOIC-6 package. The component is AEC-Q101 qualified for automotive use.

Feature Summary

• AEC-Q101 qualified for automotive reliability standards
• High-speed signal transmission with low propagation delay
• Wide operating temperature range suitable for harsh environments
• Compact surface-mount packaging for space-constrained designs

Applications

• Automotive electronic control units (ECUs)
• Hybrid electric vehicle (HEV) power systems
• Industrial motor control interfaces
• Battery management system isolation

Procurement Notes

Verify the specific suffix TPL,F against the manufacturer's official datasheet to confirm pinout and tape-and-reel specifications. Ensure that the SOIC-6 footprint matches your PCB design guidelines. Confirm AEC-Q101 certification requirements are met for your target automotive application tier before finalizing procurement.

Selection Notes

Select this component when high-speed isolation is required in automotive environments. The open collector output necessitates external pull-up resistors for proper logic level translation. Consider the 10 mA forward current requirement and 1.65 V forward voltage drop when designing the input driver circuitry to ensure reliable switching performance.

Part Context

This part belongs to Toshiba's TLX series of high-speed photocouplers designed specifically for automotive applications. It complements other variants like the TLX9376, which offers different output configurations such as totem pole outputs. The series emphasizes robust insulation and fast response times for critical safety and control systems in modern vehicles.

Replacement Considerations

Direct substitutes may include other AEC-Q101 qualified single-channel optocouplers from Toshiba or competitors with matching SOIC-6 packages. Verify that replacement parts meet the same 3750 Vrms isolation rating and 100 ns max propagation delay. Ensure the output type (open collector) and current capabilities are compatible with the existing circuit design.