NLVPCA9535EMTTXG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: General-purpose I/O Expander
• Characteristics: Low-voltage, 16-bit I2C-bus/SMBus I/O expander with interrupt and reset
• Package: TSSOP-24
• Essence: The NLVPCA9535EMTTXG is a versatile IC that expands the number of available general-purpose input/output (GPIO) pins in electronic systems.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Number of I/O Pins: 16
• I2C-bus/SMBus Interface: Compatible with I2C Fast-mode Plus (Fm+) and SMBus specifications
• Interrupt Output: Open-drain output that can be connected to an interrupt input of a microcontroller or other devices
• Reset Input: Active-low reset input for resetting the device to its default state
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NLVPCA9535EMTTXG has a total of 24 pins arranged as follows:

```

---

| | | U1 | |_______________|

Pin Configuration:

    1 2 3 4 5
   ___________
  |           |

24 -| |- 6 | | 23 -| |- 7 | | 22 -| |- 8 | | 21 -| |- 9 | | 20 -| |- 10 | | 19 -| |- 11 | | 18 -| |- 12 | | 17 -| |- 13 | | 16 -| |- 14 |___________| ```

Functional Features

• GPIO Expansion: Provides 16 additional I/O pins for connecting various devices and peripherals.
• Interrupt Functionality: Supports interrupt output, allowing efficient communication with a microcontroller or other devices.
• Reset Capability: Includes a reset input for resetting the device to its default state.
• Low-Voltage Operation: Can operate at low supply voltages, making it suitable for battery-powered applications.
• I2C/SMBus Compatibility: Compliant with I2C Fast-mode Plus (Fm+) and SMBus specifications, ensuring compatibility with a wide range of systems.

Advantages and Disadvantages

Advantages: - Increases the number of available I/O pins in electronic systems. - Supports interrupt functionality for efficient communication. - Compatible with low-voltage operation. - Compliant with industry-standard I2C and SMBus protocols.

Disadvantages: - Limited to 16 additional I/O pins, may not be sufficient for complex systems requiring more GPIOs. - Requires an external microcontroller or host device for full functionality.

Working Principles

The NLVPCA9535EMTTXG operates as an I/O expander by utilizing the I2C-bus/SMBus interface. It communicates with a microcontroller or host device through this interface, expanding the available GPIO pins. The device can be configured to function as either inputs or outputs, allowing for versatile usage. It also includes interrupt functionality, which can be used to notify the microcontroller of specific events or changes on the I/O pins. The reset input allows the device to be reset to its default state when necessary.

Detailed Application Field Plans

The NLVPCA9535EMTTXG can be used in various applications, including but not limited to: - Consumer Electronics: Adding extra I/O pins for user interface elements such as buttons, switches, and LEDs. - Industrial Automation: Expanding the number of I/Os for controlling sensors, actuators, and other devices. - Automotive Systems: Increasing the available GPIOs for automotive control modules and infotainment systems. - Internet of Things (IoT): Enabling connectivity and control of peripheral devices in IoT applications.

Detailed and Complete Alternative Models

• PCA9535PW, PCA9535BS, PCA9535DB, PCA9535DWR, PCA9535PWT, PCA9535PWTR, PCA9535RGYR, PCA9535RGYT, PCA9535RTWR, PCA9535RTWT

(Note: The list above includes some alternative models of the NLVPCA9535EMTTXG. Please refer to the respective datasheets for detailed specifications and pin configurations of these alternatives.)

This entry provides a comprehensive overview of the NLVPCA9535EMTTXG, including its