SCLT3-8BT8

Current Regulation/Management Overview

The SCLT3-8BT8 is an octal industrial digital input IC designed to reduce power dissipation in digital input modules. It features eight current-sinking inputs configurable for IEC 61131-2 Type 1, 2, or 3 standards. The device includes a serial interface that translates and serializes data to CMOS-compatible signals via SPI. It offers adjustable current limitation, integrated glitch filtering, reverse polarity protection up to 35 V, and daisy-chain capability. Available in HTSSOP-38 and QFN-48L packages with 500 µm pitch.

Current Regulation/Management Feature Summary

• Configurable current-sinking inputs supporting IEC 61131-2 Type 1, 2, and 3 characteristics
• Serial interface translating data to CMOS-compatible SPI signals with optional parity and diagnostics
• Integrated EMC robustness through selectable glitch and debounce filters
• Daisy-chain SPI architecture reducing isolation channel requirements

Current Regulation/Management Applications

• Industrial digital input modules requiring low power dissipation
• Automation systems needing I/O density enhancement
• Applications complying with IEC 61131-2 safety standards
• Systems utilizing SPI-based serial communication for state transfer

Current Regulation/Management Procurement Notes

Verify the specific package variant (HTSSOP-38 or QFN-48L) against design constraints. Confirm compatibility with IEC 61131-2 Type 1, 2, or 3 input configurations. Ensure SPI interface voltage levels match system requirements. Review application note AN2846 for detailed implementation guidelines. Validate thermal performance within the specified ambient temperature range.

Current Regulation/Management Selection Notes

Choose this component for applications prioritizing reduced heat dissipation and high I/O density. The adjustable current limitation supports energy-efficient designs. Daisy-chaining capabilities simplify isolation channel management. Integrated filtering enhances EMC robustness without external components. Suitable for environments requiring strict compliance with industrial input standards.

Current Regulation/Management Part Context

Part of the SCLT3 series, which focuses on optimizing industrial digital input module efficiency. The series aims to minimize power consumption while maintaining robust signal integrity. Designed to replace traditional optocoupler-heavy solutions, offering a compact alternative for modern automation hardware.

Current Regulation/Management Replacement Considerations

No public confirmed substitute part numbers are available in official documentation.

Current Regulation/Management FAQ

What input types does the SCLT3-8BT8 support?

It supports IEC 61131-2 Type 1, Type 2, and Type 3 digital inputs.

How is the data serialized?

Data is translated, conditioned, and serialized to CMOS-compatible signals through an SPI interface.