SI88421BD-AS

$5.74

Description：LINEAR IC
Series：-

SKU:fd215e81f68f Category: Clock Generators, PLLs, Frequency Synthesizers Brand: Econ Connect

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Product introduction

Product Detailed Parameters

Description：LINEAR IC
Series：-
Package：Tube
Mfr：Econ Connect
PLL：-
Input：-
Output：-
Number of Circuits：-
Ratio - Input:Output：-
Differential - Input:Output：-
Frequency - Max：-
Divider/Multiplier：-
Voltage - Supply：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Type：-
Grade：-
Qualification：-

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SI88421BD-AS

Overview

The SI88421BD-AS is a dual-channel digital isolator from Skyworks Solutions, featuring an integrated isolated DC-DC converter. It provides two unidirectional data channels with a maximum data rate of 100 Mbps and typical propagation delay of 18 ns. The device supports up to 5000 Vrms isolation voltage and operates within a temperature range of -40°C to +125°C. Powered by a 3 V to 5.5 V supply, it utilizes capacitive coupling technology for signal transmission. The component is housed in a 16-pin SOIC-Wide package.

Feature Summary

Integrates a fully-controlled isolated DC-DC converter with secondary sensing feedback
Provides high-speed digital isolation with low electromagnetic emissions
Includes thermal protection and undervoltage lockout mechanisms

Applications

Industrial automation systems
Hybrid electric and electric vehicles
Isolated power supplies
Motor control applications

Procurement Notes

Verify the specific ordering suffix against official Skyworks documentation to confirm package type and electrical characteristics. Confirm RoHS compliance status and check for automotive qualification requirements if deploying in vehicle environments. Ensure the design accounts for external transformer selection based on input/output voltage configurations.

Selection Notes

Select this component when a combined digital isolator and isolated power supply solution is required in a single package. Verify that the external transformer specifications match the intended input and output voltage levels. Consider the need for external components such as rectifying diodes and compensation networks during the circuit design phase.

Part Context

This part belongs to the Si88x2x family of dual digital isolators with integrated DC-DC converters. The series offers various channel configurations and isolation ratings. The SI88421 variant specifically targets applications requiring two unidirectional channels with integrated power conversion capabilities.