NLVPCA9535EDTR2G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: General-purpose I/O Expander
• Characteristics:
  • Low-voltage, low-power consumption
  • High-speed I2C interface
  • Wide operating voltage range
  • Small package size
• Package: TSSOP-24
• Essence: The NLVPCA9535EDTR2G 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 GPIO Pins: 16
• I2C Bus Frequency: Up to 400 kHz
• Operating Temperature Range: -40°C to +85°C
• Input/Output Logic Levels: Compatible with both 3.3V and 5V systems
• Maximum Output Current: 25 mA per pin

Detailed Pin Configuration

The NLVPCA9535EDTR2G has a total of 24 pins arranged as follows:

1 A0 2 A1 3 A2 4 GND 5 P00 6 P01 7 P02 8 P03 9 P04 10 P05 11 P06 12 P07 13 VDD 14 SDA 15 SCL 16 INT 17 P10 18 P11 19 P12 20 P13 21 P14 22 P15 23 GND 24 RESET

Functional Features

• GPIO Expansion: The NLVPCA9535EDTR2G provides 16 additional GPIO pins, allowing for increased flexibility in system design.
• I2C Interface: It features a high-speed I2C interface, enabling easy communication with the host microcontroller.
• Low Power Consumption: The IC is designed to operate at low voltage and consume minimal power, making it suitable for battery-powered devices.
• Interrupt Output: The INT pin can be configured to generate an interrupt signal based on specific conditions, enhancing system responsiveness.

Advantages and Disadvantages

Advantages: - Compact Size: The small TSSOP-24 package allows for space-efficient integration into electronic systems. - Wide Operating Voltage Range: The IC supports a wide range of supply voltages, providing compatibility with various system configurations. - Versatility: The NLVPCA9535EDTR2G can be used in a wide range of applications due to its general-purpose nature.

Disadvantages: - Limited Number of GPIO Pins: While the IC expands the number of available GPIO pins, it is still limited to 16, which may not be sufficient for complex systems requiring a large number of I/Os.

Working Principles

The NLVPCA9535EDTR2G operates as an I2C slave device, controlled by a master microcontroller. It communicates with the master using the I2C bus protocol, allowing the microcontroller to read or write data to the GPIO pins. The IC acts as an interface between the microcontroller and external devices, expanding the number of available I/Os.

Detailed Application Field Plans

The NLVPCA9535EDTR2G finds application in various fields, including but not limited to: 1. Consumer Electronics: Used in smart home devices, remote controls, and wearable gadgets. 2. Industrial Automation: Integrated into control systems, sensors, and actuators. 3. Automotive: Employed in automotive lighting systems, climate control modules, and infotainment systems. 4. Medical Devices: Utilized in patient monitoring equipment, diagnostic devices, and medical imaging systems.

Detailed and Complete Alternative Models

1. PCA9535PW: Similar general-purpose I/O expander IC from Texas Instruments with the same pin configuration but different package (TSSOP-20).
2. MCP23017-E/SP: I2C-based general-purpose I/O expander IC from Microchip with 16 GPIO pins and a similar pin configuration.
3. MAX7313AUG+: General-purpose I/O expander IC from Maxim Integrated with 16 GPIO pins and an I2C interface.

These alternative models offer similar functionality to the NLVPCA9535EDTR2G and can be considered as alternatives based on specific requirements.

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