LTC4300A-1CMS8#TRPBF

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LTC4300A-1CMS8#TRPBF

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IC ACCELERATOR I2C HOTSWAP 8MSOP

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Especificações

Atributo Valor
Supplier Analog Devices Inc.
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Buffer, Accelerator
Applications I²C - Hotswap
Input 2-Wire Bus
Output 2-Wire Bus
DataRate(Max) 400kHz
NumberofChannels 2
Capacitance-Input 10 pF
Voltage-Supply 2.7V ~ 5.5V
Current-Supply 5.1mA
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Visão Geral

Description

LTC4300A-1CMS8#TRPBF is an 8‑pin Linear Technology (now Analog Devices) device that functions as an I2C bus switch with voltage-domain isolation and fault protection for hot‑swap systems. It enables connecting two I2C buses that run at different voltages while providing level translation, fault protection, and a simple enable/status interface. The “-1” denotes a specific option/voltage family within the LTC4300A line; CMS8 indicates the 8‑pin MSOP package; and #TRPBF denotes Pb‑free Tape & Reel packaging. Typical applications include microcontroller systems with multiple voltage domains, backplane nodes, and other I2C networks requiring safe bus isolation.
For exact electrical specs, pinout, and example circuits, consult the LTC4300A datasheet and product page. If you tell me the exact variant you’re after, I can summarize the key figures (voltage ranges, I2C timing, enable behavior, fault flags) quickly.

Features

Here are the typical features of the LTC4300A-1CMS8#TRPBF:
- Dual bidirectional I2C bus buffer/level shifter with automatic direction sensing
- Independent I2C sides with level translation between VCCA and VCCB (1.65V–5.5V range typical)
- Supports I2C/SMBus speeds up to 1 MHz (Standard/Fast-Mode)
- Overvoltage/short-circuit protection and current limiting on I/O lines
- Undervoltage lockout and power-down safe operation
- Low quiescent current for battery-powered applications
- ESD protection on SDA/SCL and robust protection for I/O pins
- 8-pin MSOP (CMS8) package, RoHS-compliant; available in Tape & Reel (TRPBF)
Note: For exact electrical limits and timing, refer to the official datasheet.

Pinout

- Pin count: 8 pins (CMS8 package).
- Function: One-channel I2C/SMBus bus protector and hot-swap power-switch controller. It provides a safe, controlled power path to an I2C device and isolates/protects the I2C bus during power-up/power-down (hot-plug protection and current-limit features).

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI).
- About the company: A multinational American semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits; the LTC line (including LTC4300A) originated from Linear Technology, which ADI acquired in 2017.

Application

Main application areas:
- Hot-swap power switches for I2C/SMBus devices
- I2C-controlled power-path management with current limiting and fault protection
- Power sequencing and backplane isolation in servers, data storage, telecom and networking equipment
- Protection of peripheral/daughter-board interfaces during module insertion/removal
- Modular embedded and industrial systems requiring safe, automatic insertion/removal of circuits (sensors, ADCs, DACs, MCUs)
- Multi-rail systems/backplane architectures needing controlled startup/shutdown and overcurrent/short-circuit protection

Package

Package type: 8-lead MSOP (MSOP-8) package, Pb-free. TRPBF = Tape‑and‑Reel, Pb‑free finish.

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