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SI8932D-IS4

Name: SI8932D-IS4
Rating: 4.7 (12 reviews)

POWER ISOLATION

제조업체
Mfr.부분 #SI8932D-IS4
패키지 SOIC-8
데이터시트 SI8932D-IS4 DataSheet
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사양

Package	Tube
ProductStatus	Active
Type	Isolation
Applications	Automotive, Inverters, Power Supplies, UPS
MountingType	Surface Mount
Package/Case	8-SOIC (0.295, 7.50mm Width)

개요

Description

SI8932D-IS4 is a dual high-side load switch IC used to power two loads from a common supply while protecting the hardware. It integrates two independent switches with protection and control features, simplifying power distribution in battery-powered and automotive electronics.
Key features (typical):
- Two protected high-side switches with enable inputs
- Overcurrent/short‑circuit protection and thermal shutdown
- Current limiting and soft-start to reduce inrush
- Fault/status signaling for each channel (and/or common)
- Small package (IS4/8-pin variant) for compact PCBs
Common uses:
- Powering microcontrollers, sensors, peripherals, or LEDs from a single supply
- Inrush control and protection in battery/automotive applications
- Reducing PCB layout complexity vs. discrete MOSFETs
Note: exact electrical specs (current limit range, dropout, quiescent current) and packaging variants depend on the specific datasheet revision. For precise details, refer to the official SI8932D-IS4 datasheet.

Features

I don’t have the exact datasheet in front of me, but SI8932D-IS4 is typically an Ethernet PHY. Key features you’d expect:
- 10/100/1000 Mbps Ethernet PHY (IEEE 802.3 compliant) for copper cables
- Auto-Negotiation with link status and speed/duplex advertisement
- MDIO/MDC management interface for PHY registers
- MAC interface support: MII, RMII, and/or RGMII (variant dependent)
- 1000BASE-T PCS/PMA/PMD with auto polarity correction
- Energy Efficient Ethernet (EEE) support for low power
- Low-power modes and fast wake/standby options
- Diagnostic and test features: loopback, pattern tests, status indicators
- Small-footprint IS4 package suitable for embedded designs
- Industrial temperature range (typical for automotive/industrial variants)
For exact specifications (voltage rails, IO tolerances, pinout, package details, and supported MAC interfaces), please share the datasheet link or confirm you want me to pull the official spec.

Pinout

SI8932D‑IS4 is an 8‑pin digital isolator. Function: a dual‑channel galvanic isolation IC that transfers two independent logic signals across an isolation barrier. Typical pins are VDD1/GND1 (input side power), IN1/IN2 (input signals) and VDD2/GND2 (output side power), OUT1/OUT2 (isolated outputs).

Manufacturer

Manufacturer: Silicon Laboratories (Silicon Labs).
What kind of company: Silicon Labs is a fabless semiconductor company (headquartered in Austin, Texas) that designs and supplies mixed-signal and wireless integrated circuits—including digital isolators, gate drivers, microcontrollers, RF transceivers and IoT/industrial connectivity solutions.

Application

- Automotive power management (isolated gate driver for MOSFETs in DC-DC converters and motor drives)
- Industrial motor control and drives
- Switch-mode power supplies and DC-DC converters
- Battery management and energy-storage systems
- Telecom/data-center power modules
Note: SI8932D-IS4 is typically used where isolated MOSFET drive and protection are required.

Equivalent

SI8932D-IS4 is a dual-channel isolated gate driver. Common equivalents (match specs before substituting): Analog Devices ADuM4135 / ADuM4137, Texas Instruments UCC21520 / UCC21710 or TI ISOxx isolated-driver family, Infineon 1EDxxx isolated gate-driver series, and Silicon Labs Si823x family. Check isolation voltage, peak output current, propagation delay and package pinout for exact compatibility.