SI8232AC-D-IS1

Isolators - Gate Drivers Overview

The SI8232AC-D-IS1 is a dual-channel isolated gate driver from the Si823x series, manufactured by Skyworks Solutions Inc. It features two independent drivers within a single package, providing up to 3750 Vrms input-to-output isolation. The device operates with a supply voltage range of 6.5V to 24V and delivers a peak output current of 500mA. Key electrical parameters include a maximum propagation delay of 45ns, rise and fall times of 20ns, and a power dissipation of 1.2W. It supports TTL logic inputs and functions within an operating temperature range of -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Provides galvanic isolation between control and power stages using capacitive coupling technology.
• Features high electromagnetic immunity (EMI) suitable for industrial environments.
• Includes built-in overlap protection and programmable dead-time functionality.

Isolators - Gate Drivers Applications

• Motor drive and control systems
• Industrial power management circuits
• Inverter bridge driving applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS1R versus IS1 against official datasheets to confirm packaging type, as distribution listings may vary. Ensure the order matches the required isolation rating and channel configuration. Cross-reference the manufacturer part number with authorized distributor catalogs to avoid counterfeit components. Confirm RoHS compliance status and AEC-Q100 qualification if automotive application is intended.

Isolators - Gate Drivers Selection Notes

Select this component when dual isolated gate driving is required with moderate current capabilities. The 500mA peak output suits standard MOSFET and IGBT switching speeds. Consider the 3750 Vrms isolation barrier for safety-critical designs. Evaluate the 45ns propagation delay against system timing requirements. Compare against higher-current variants like the SI8233 series if load demands exceed 500mA.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x family of isolated gate drivers, which utilize Silicon Labs' proprietary silicon isolation technology. The family offers various configurations including high-side/low-side and dual isolated options. These devices are designed to replace traditional optocouplers in modern power electronics, offering improved reliability and smaller form factors.

Isolators - Gate Drivers Replacement Considerations

SI8232AC-D-IS1R serves as a reel-pack alternative to the tube-packaged SI8232AC-D-IS1. For higher current needs, the SI8233 series provides up to 4A output capability. Single-channel equivalents include the SI8231 series. Verify pinout compatibility and isolation ratings before substituting with other manufacturers' products.