TCA9536DGKR +BOM

Description

The Texas Instruments TCA9536DGKR is a remote 4-bit I/O expander with configuration register and interrupt, designed for use in various applications. It provides an interface between I2C bus and GPIO ports, allowing for the expansion of I/O capabilities in microcontroller-based systems. This device features a range of functions, including software reset via I2C general call, integrated pull-up resistors on P ports, and polarity inversion register. It also has internal power-on reset, noise filter on SCL and SDA inputs, and latched outputs with high-current drive capability for directly driving LEDs. The TCA9536DGKR is suitable for a wide range of applications, including LED dimming solutions, automotive systems, keypad scanning, switch monitoring, and relay control automation. It also supports various industrial and consumer electronics applications that require I2C interface connectivity.

Features

According to the product information, the features of TCA9536DGKR are:

• I²C to GPIO expander
• Operating power-supply voltage range of 1.65 V to 5.5 V
• 5-V Tolerant I/O ports
• Software Reset via I²C General Call
• Software-enabled integrated pull-up resistors on P ports
• P3 can be repurposed as INT output
• 1-MHz Fast mode plus I²C bus
• Input and output configuration register
• Polarity inversion register
• Internal power-on reset
• Power-up with all channels configured as inputs
• Noise filter on SCL and SDA inputs
• Latched outputs with high-current drive maximum capability for directly driving LEDs
• ESD protection exceeds JESD 22 (2000-V Human-body model and 1000-V Charged-device model)

These features make it suitable for various applications such as LED dimming, automotive systems, keypad scanning, switch monitoring, relay control automation, and general-purpose I/O expander.

Package

The package type of TCA9536DGKR is VSSOP-8.

Pinout

The TCA9536DGKR has a pin count of 8, packaged in a VSSOP-8 package.

Here's a concise breakdown of the pins:

• P0-P3: Input/Output Pins (GPIO)
• SDA/SCL: I2C Bus Interface Pins
• INT: Interrupt Output Pin
• RST: Software Reset Pin
• GND/VCC: Ground and Power Supply Pins

The TCA9536DGKR is an 8-bit I/O expander that can be used to expand GPIO capabilities in various applications.

Manufacturer

The manufacturer of the TCA9536DGKR is Texas Instruments (TI). TI is a leading semiconductor company that designs, manufactures, tests, and sells analog and embedded processing chips for a wide range of applications, including automotive, industrial, medical, consumer electronics, and more. With over 80 years of experience, TI is known for its innovative products and solutions that enable the development of smart, connected devices.

Applications

The application areas for the TCA9536DGKR are:

• LED dimming solution
• Automotive system application
• Keypad scanning for input, switch monitoring, LED dimming control, relay control automation
• Dimming control for LEDs, switch input monitoring, relay control in automation
• General-purpose I/O expander, various application support, I2C interface connectivity
• Consumer electronics usage, industrial automation control

These applications take advantage of the IC's features such as I/O expanders, remote configuration, and interrupt capabilities.

Equivalent

Based on Texas Instruments' product specifications, some equivalent products to TCA9536DGKR are:

• PCA9545/I2C Bus Multiplexer with Interrupt
• PCF8574/I2C Bus Eight-Bit I/O Expander with Interrupt
• MC9S08DJ64/R8C/16x I/O Ports with INT Output

These devices share similar features such as I2C interface, GPIO expansion, and interrupt capabilities. However, it's essential to consult the datasheets for each product to determine the best match for your specific application requirements.