SPF5018 DK

Overview

The SPF5018 DK is a high-side power switch IC manufactured by Sanken Electric. It operates within a junction temperature range of -40°C to 150°C and utilizes a 16-HSOP or 16-SOIC exposed pad package. The device features an internal current sense resistor with high-accuracy sample-and-hold output. Typical on-resistance is 140mOhm, supporting CMOS input interfaces with PWM control capabilities.

Feature Summary

• Integrated high-accuracy current monitor output utilizing a sample and hold function
• Built-in protection circuits for overcurrent and thermal conditions
• Supports PWM input interface with CMOS logic compatibility

Applications

• High-side load switching in automotive electronic systems
• Power distribution management in industrial equipment
• General purpose load driver applications requiring current monitoring

Procurement Notes

Verify the specific suffix designation against official Sanken Electric documentation to confirm pinout and feature variations. Ensure the package type matches the required board layout, as HSOP and SOIC variants may differ in physical dimensions. Confirm active status through authorized distributors to avoid obsolete stock.

Selection Notes

Select this component when precise current monitoring via a sample-and-hold output is required alongside high-side switching. The wide operating temperature range suits harsh environments. Verify that the 140mOhm typical resistance meets system efficiency requirements and that the 16-pin package fits the available PCB space.

Part Context

This part belongs to Sanken Electric's high-side power switch series designed for robust load management. It integrates sensing and protection functions typically found in discrete solutions, simplifying circuit design for automotive and industrial applications requiring reliable power distribution and fault detection.

Replacement Considerations

Consult official substitution lists for equivalent high-side switches with similar current monitoring capabilities. Verify package compatibility and electrical specifications before replacing.

FAQ

What type of input interface does the SPF5018 DK support?

It supports a PWM input interface compatible with CMOS logic levels.

Does the device include protection mechanisms?

Yes, it includes built-in overcurrent and thermal protection circuits.