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Si83416 - Isolated Smart Switch

Download the Si83416 datasheet PDF. This datasheet also covers the Si83401BAA-IF variant, as both devices belong to the same isolated smart switch family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (Si83401BAA-IF-Skyworks.pdf) that lists specifications for multiple related part numbers.

General Description

The Si834x provides up to 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.

Overview

DATA SHEET Si834x Isolated Smart Switch Data Sheet.

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 and low RON - 4 channels: 700 mA (155 mΩ) - 2 channels: 1.25 A (78 mΩ) - 1 channel: 2.5 A (41 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.