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TPT29546 - 4-channel I2C Switch

General Description

The TPT29546 is a 1:4 bidirectional translating I2C switch.

The SCL/SDA upstream pair fans out to four downstream channels.

Any single SCn/SDn channel or combination of channels can be selected, determined by the programmable control register.

Key Features

  • Bidirectional Translator of 1:4 I2C Switch.
  • Active-Low Reset Input.
  • Two Address Terminals, Allowing up to Four Devices on the I2C Bus.
  • Operating Power-Supply Voltage Range of 2.3 to 5.5V.
  • Allow Voltage-Level Translation among 2.5V, 3.3V, and 5V Buses.
  • Support Standard Mode and Fast Mode I2C Devices，0 to 400 kHz Clock Frequency.
  • Low RON Switches.
  • Latch-Up Performance Exceeds 200 mA per JESD 78.
  • ESD Protection Exceeds JESD 22.
  • ±4000V Human-Bod.

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Datasheet Details

Part number TPT29546
Manufacturer 3PEAK
File Size 873.39 KB
Description 4-channel I2C Switch
Datasheet download datasheet TPT29546 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
TPT29546 4-channel I2C Switch with Reset Features  Bidirectional Translator of 1:4 I2C Switch  Active-Low Reset Input  Two Address Terminals, Allowing up to Four Devices on the I2C Bus  Operating Power-Supply Voltage Range of 2.3 to 5.5V  Allow Voltage-Level Translation among 2.5V, 3.3V, and 5V Buses  Support Standard Mode and Fast Mode I2C Devices，0 to 400 kHz Clock Frequency  Low RON Switches  Latch-Up Performance Exceeds 200 mA per JESD 78  ESD Protection Exceeds JESD 22 − ±4000V Human-Body Model − ±1500V Charged-Device Model Applications  Servers/Storages  Routers (Telecom Switching Equipment)  Factory Automation  Products with I2C Slave Address Conflicts (e.g. Multiple, Identical Temp Sensors) Description The TPT29546 is a 1:4 bidirectional translating I2C switch.