SX1501I087TRT

Product Overview

• Category: Integrated Circuit (IC)
• Use: GPIO Expander
• Characteristics: Low-voltage, 16-bit I/O expander with interrupt output and reset input
• Package: 24-pin TSSOP package
• Essence: The SX1501I087TRT is a versatile GPIO expander designed to provide additional input/output (I/O) pins for microcontrollers or other digital devices.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage: 1.65V to 3.6V
• Number of I/O Pins: 16
• Interrupt Output: Yes
• Reset Input: Yes
• Operating Temperature Range: -40°C to +85°C
• Package Type: TSSOP-24

Detailed Pin Configuration

The SX1501I087TRT has a total of 24 pins, which are configured as follows:

1. INT - Interrupt output pin
2. RESET - Reset input pin
3. SDA - Serial data input/output pin
4. SCL - Serial clock input pin
5. GND - Ground
6. VCC - Power supply voltage
7. IO0 - I/O pin 0
8. IO1 - I/O pin 1
9. IO2 - I/O pin 2
10. IO3 - I/O pin 3
11. IO4 - I/O pin 4
12. IO5 - I/O pin 5
13. IO6 - I/O pin 6
14. IO7 - I/O pin 7
15. IO8 - I/O pin 8
16. IO9 - I/O pin 9
17. IO10 - I/O pin 10
18. IO11 - I/O pin 11
19. IO12 - I/O pin 12
20. IO13 - I/O pin 13
21. IO14 - I/O pin 14
22. IO15 - I/O pin 15
23. VCC - Power supply voltage
24. GND - Ground

Functional Features

• Low-voltage operation allows compatibility with a wide range of microcontrollers and digital devices.
• Interrupt output pin provides a convenient way to notify the host device of any changes in the input status.
• Reset input pin allows for easy reset of the expander.
• Serial data input/output pins enable communication with the host device using the I2C protocol.
• Each I/O pin can be individually configured as an input or output, allowing for flexible usage.

Advantages and Disadvantages

Advantages: - Wide operating voltage range enables compatibility with various systems. - Interrupt output simplifies event-driven programming. - Compact TSSOP package saves board space. - Versatile I/O configuration options provide flexibility in system design.

Disadvantages: - Limited number of I/O pins may not be sufficient for complex applications requiring a large number of inputs/outputs. - Requires knowledge of I2C protocol for communication with the host device.

Working Principles

The SX1501I087TRT operates by receiving commands from the host device through the I2C bus. The host device can configure each I/O pin as either an input or an output. When configured as an input, the expander monitors the status of the corresponding pin and generates an interrupt if any changes are detected. When configured as an output, the expander drives the corresponding pin high or low based on the command received from the host device.

Detailed Application Field Plans

The SX1501I087TRT is commonly used in various applications, including but not limited to:

1. Consumer electronics: Used to expand the number of I/O pins in devices such as smart home controllers, remote controls, and gaming consoles.
2. Industrial automation: Enables additional I/O capabilities in industrial control systems, PLCs (Programmable Logic Controllers), and robotics.
3. Automotive electronics: Integrated into automotive modules for controlling various functions like lighting, sensors, and switches.
4. Internet of Things (IoT): Facilitates connectivity and control in IoT devices, such as smart sensors, wearable devices, and home automation systems.

Detailed and Complete Alternative Models

1. MCP23017 - 16-bit I/O expander with I2C interface
2. PCA9538 - 8-bit I/O expander with I2C-bus/SMBus interface
3. MAX7313 - 16-bit I/O expander with serial interface
4. PCF8574 - 8-bit I/O expander with I2C-bus interface
5. TCA6416A - 16-bit I/O expander with I2C-bus interface

These alternative models offer similar functionality and can be considered as alternatives to