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1 Circuit 2 Channel TCA9517DGKRQ1 Voltage Level Translator Bidirectional 8-VSSOP

Product Description Of TCA9517DGKRQ1

TCA9517DGKRQ1 is a bidirectional buffer with level shifting capabilities for I2C and SMBus systems. It supplies bidirectional voltage-level translation (up-translation and/or down-translation) between low voltages (down to 0.9 V) and higher voltages (2.7 V to 5.25 V) in mixed-mode applications. This device enables I2C and SMBus systems to be extended without loss of performance, even during level shifting.

TCA9517DGKRQ1 buffers both the serial data (SDA) and the serial clock (SCL) signals on the I2C bus, thus allowing two buses of up to 400-pF bus capacitance to be connected in an I2C application.

Features Of TCA9517DGKRQ1

AEC-Q100 Qualified for automotive applications

Device temperature: –40°C to 125°C TA

Device HBM classification Level: ±5500-V

Device CDM classification Level: ±1000-V

Two-channel bidirectional buffer

I2C Bus and SMBus compatible

Operating Supply Voltage Range of 0.9-V to 5.25-V on A-side

Operating supply voltage range of 2.7-V to 5.25-V on B-side

Voltage-level translation from 0.9-V to 5.25-V and 2.7-V to 5.25-V

Active-high repeater-enable input

Open-drain I2C I/O

5.25-V tolerant I2C and enable input support mixed-mode signal operation

Accommodates standard mode and fast mode I2C devices and multiple controller

High-impedance I2C pins when powered-off

Latch-up performance exceeds 100 mA Per JESD 78, class II

Applications Of TCA9517DGKRQ1

Servers

Routers (telecom switching equipment)

Industrial equipment

Products with Many I2C targets and/or long PCB traces

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