Si834x Isolated Smart Switch Data Sheet

PublishTime：2022-03-25

●The Si834x provides four isolated high-side or low-side switches with low RON. These switches are ideal for driving resistive and inductive loads like solenoids, relays, and lamps commonly found in industrial control systems like Programmable Logic Controllers (PLC). Each switch is galvanically isolated for safety using Skyworks' groundbreaking CMOS-based isolation technology, offering better reliability and performance than the traditional optocoupler-based isolation, including high Common-Mode Transient Immunity (CMTI) over 100 kV/μs.
●The logic interface supports low-power 2.25 V MCUs, while the switches offer a wide supply range of 9 V – 32 V ideal for industrial voltage levels. The switches are capable of providing 0.7 A depending on load conditions. Each switch offers complete fault protection. An innovative multi-voltage clamp efficiently handles an unlimited amount of demagnetization energy (EAS).The over-current protection includes an Inrush Current Mode to drive loads like lamps. Additionally, the device power supplies are monitored, and the switches are safely constrained or shutdown on faults.
●Eight diagnostics are reported through the logic interface, offering an unprecedented level of details and control. Diagnostics are configured, monitored, and cleared via the Serial Peripheral Interface (SPI) or exposed on active-low, open-drain indicator pins for easy access and combination. Diagnostic communication is independent of switch control signals, with separate isolation channels and constant error checking, ensuring long-term reliability.
●Applications:
■Programmable logic controllers;
■Industrial data acquisition;
■Motion controllers;
■Smart solid-state relay.
●KEY FEATURES:
■High-side or low-side switch;
■Logic Supply: 2.25 V – 5.5 V;
■Switch Supply: 9 V – 32 V;
■Fast (10 μs) update rate;
■High continuous current (700 mA)and low RON (145 mΩ);
■Unique multi-voltage output clamp:
◆Unlimited demagnetization (EAS);
◆Efficient and fast turn-OFF;
■Inrush Current Mode: 8 A for 20 ms;
■Current-limited overload protection;
■Over-temperature protection;
■Undervoltage protected supplies;
■Up to 8 different diagnostics:
◆Multiple power supply reports;
◆Over-current, over-temperature;
◆Open-circuit warning;
◆Communication error;
■Channel status indicators;
■Dedicated fault indicator;
■Disable outputs asynchronously;
■Control 128 channels via SPI;
■1.5 kVRMS safety rated isolation;
■Transient immunity > 100 kV/μs;
■Compliant to IEC 61131-2;
■Compact 9x9 DFN-32 package;
■5 kV ESD Protection;
■-40 – 125 ̊C operating temperature.

Brand of Product：	SKYWORKS
Part#：	Si834x 、 Si83404AAA-IF 、 Si83408ADA-IF 、 Si83408AFA-IF 、 Si83414AAA-IF 、 Si83418ADA-IF 、 Si83418AFA-IF 、 Si83404ABA-IF 、 Si83404ACA-IF 、 Si83414ABA-IF 、 Si83414ACA-IF 、 Si834xxxCx 、 Si834xxxDx 、 Si834xxxFx More Part#
Product Category：	Isolated Smart Switch 、 isolated low-side switches 、 isolated high-side switches More
Application：	[ Programmable logic controllers ][ Industrial data acquisition ][ Motion controllers ][ Smart solid-state relay ] More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：	DFN-32
Language：	English Chinese Chinese and English Japanese
Date of Creation：	Deceember 21, 2021
Version Number：	Rev. 0.5
Data Encoding：
Data Size：	2.3 MB

Data section preview(2pages)

- The full preview is over. If you want to read the whole 68 page document,please Sign in/Register -

Download

+1 Like
Add to Favorites

Recommend

Technical Resources

More>

All reproduced articles on this site are for the purpose of conveying more information and clearly indicate the source. If media or individuals who do not want to be reproduced can contact us, which will be deleted.

Integrated Circuits