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ISL8491EIBZ-T

Name: ISL8491EIBZ-T
Rating: 4.7 (12 reviews)

IC TRANSCEIVER FULL 1/1 14SOIC

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製造商。部分 #ISL8491EIBZ-T
包 14-SOIC (0.154, 3.90mm Width)
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規格

Supplier	Renesas Electronics America Inc
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Transceiver
Protocol	RS422, RS485
NumberofDrivers/Receivers	1/1
Duplex	Full
ReceiverHysteresis	70 mV
DataRate	10Mbps
Voltage-Supply	4.5V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	14-SOIC (0.154, 3.90mm Width)

概述

Description

ISL8491EIBZ-T is an isolated dual MOSFET gate-driver IC from Renesas/Intersil. It provides galvanic isolation between a low-voltage control side and a high-voltage power side and drives two MOSFETs (typically a half-bridge) in isolated power stages.
Key points:
- Two-channel gate drive with push-pull outputs for fast switching
- Isolation between logic and power sections (galvanic isolation)
- Logic inputs (TTL/CMOS-compatible) with protection features
- Includes basic protection and timing features (e.g., dead-time control to prevent shoot-through)
- Intended for isolated power conversion, motor/generator drives, solar inverters, and similar high-voltage switching applications
The -T suffix indicates packaging/shipping options (e.g., Tape-and-Reel). For exact electrical specs (isolation voltage, drive strength, supply ranges, timing details), consult the datasheet.

Package

ISL8491EIBZ-T comes in an 8-pin SOIC package (D8), with Tape-and-Reel (T) packaging.

Pinout

- Pin count: 8 pins (8-pin package).
- Function: Galvanically isolated single-channel gate driver. It accepts a logic input and provides an isolated gate drive output to drive a MOSFET/IGBT switch, typically with undervoltage lockout and related gate-drive features for isolated power-converter applications.

Manufacturer

The ISL8491EIBZ-T is manufactured by Intersil (now part of Renesas Electronics as the Renesas Intersil brand). Intersil is a global semiconductor company that designs and manufactures analog, mixed-signal, and power-management integrated circuits.

Application

ISL8491EIBZ-T is used for galvanic isolation in signal and control paths. Common application areas:
- Industrial automation and motor drives
- Isolated power-supply interfaces and DC-DC converters
- Automotive electronics requiring isolation between LV controllers and HV sections
- Medical equipment needing electrical isolation
- Telecom and data-communication equipment
- Instrumentation and test systems with isolated sensing/controls
(Any system needing safe, compact isolated data/power links between domains.)

Equivalent

Equivalents depend on the device function. ISL8491EIBZ-T could be a gate-driver, isolated amplifier, or digital isolator. Please share the device’s function and key specs (isolation voltage, input/output type, Vcc, package) or the datasheet link. With that, I’ll provide cross-reference parts from TI, Analog Devices, Infineon, etc.