TCAL9539-Q1 Datasheet (Texas Instruments) - Automotive Low-Voltage SMBus I/O Expander

TCAL9539-Q1, Automotive Low-Voltage SMBus I/O Expander

The TCAL9539-Q1 device provides general purpose parallel input/output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol and is designed for 1.08-V to 3.6-V VCC operation.

The device supports 100-kHz (Standard-mode), 400-kHz (Fast-mode), and 1-MHz (fast-mode-plus) I2C clock

TCAL9539-Q1 Features

* AEC-Q100 qualified for automotive applications:

* Temperature grade 1:

* 40°C to +125°C, TA

* Functional safety-capable

* Documentation available to aid in functional safety system design

* Operating power-supply voltage range of 1.08 V to 3.6 V