사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Number of I/O | 4 |
| Interface | I²C |
| Interrupt Output | Yes |
| Features | POR |
| Output Type | Open Drain |
| Current - Output Source / Sink | 10mA, 25mA |
| Clock Frequency | 1 MHz |
| Voltage - Supply | 1.65V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
개요
Description
The TCA9537DGSR is a low-voltage, 4-bit I/O expander for I2C and SMBus applications, designed by Texas Instruments. It operates with a supply voltage range of 1.65V to 5.5V, making it versatile for various digital systems. This device facilitates the expansion of the I/O capabilities of a microcontroller by providing additional GPIO pins controlled via the I2C bus.
Key features include a low standby current, high-speed I2C interface, and a wide supply voltage range. Each I/O port can be configured as an input or output, enhancing design flexibility. The TCA9537DGSR is suitable for applications requiring simple remote I/O expansion in consumer electronics, industrial, and computing systems.
With a robust construction in a small footprint package, it minimizes board space while providing reliable performance. Additionally, the device supports hot insertion, meaning it can be integrated into 'live' systems without risk of damage, making it particularly useful in modular or upgradeable systems.
Key features include a low standby current, high-speed I2C interface, and a wide supply voltage range. Each I/O port can be configured as an input or output, enhancing design flexibility. The TCA9537DGSR is suitable for applications requiring simple remote I/O expansion in consumer electronics, industrial, and computing systems.
With a robust construction in a small footprint package, it minimizes board space while providing reliable performance. Additionally, the device supports hot insertion, meaning it can be integrated into 'live' systems without risk of damage, making it particularly useful in modular or upgradeable systems.
Equivalent
The TCA9537DGSR is a 4-bit I2C I/O expander. Equivalent products include the PCA9537 and PCA9655E from NXP, the MCP23008 from Microchip, and the MAX7310 from Maxim Integrated. These alternatives offer similar functionality, such as providing additional I/O ports controlled via I2C interface. However, it's essential to check the specific features and pin configurations to ensure compatibility with your application.
Features
The TCA9537DGSR is a low-voltage, 4-bit I/O expander with an I²C interface, designed to allow additional I/O capabilities for microcontrollers. Key features include:
1. I²C Interface: Supports both standard (up to 100 kHz) and fast (up to 400 kHz) I²C bus speeds.
2. Voltage Range: Operates at a low voltage range of 1.65 V to 5.5 V, making it suitable for a wide range of applications.
3. 4-Bit I/O Ports: Offers 4 independently controlled GPIO pins, which can be configured as inputs or outputs.
4. Low Standby Current: Consumes minimal power in standby mode, making it energy-efficient.
5. Interrupt Output: Provides an interrupt signal to notify the microcontroller of changes on the input pins.
6. ESD Protection: Equipped with electrostatic discharge protection, ensuring reliability in various environments.
7. Small Package: Available in a compact TSSOP-8 package, ideal for space-constrained applications.
These features make the TCA9537DGSR suitable for applications requiring expanded digital input/output capabilities in a compact and efficient form.
1. I²C Interface: Supports both standard (up to 100 kHz) and fast (up to 400 kHz) I²C bus speeds.
2. Voltage Range: Operates at a low voltage range of 1.65 V to 5.5 V, making it suitable for a wide range of applications.
3. 4-Bit I/O Ports: Offers 4 independently controlled GPIO pins, which can be configured as inputs or outputs.
4. Low Standby Current: Consumes minimal power in standby mode, making it energy-efficient.
5. Interrupt Output: Provides an interrupt signal to notify the microcontroller of changes on the input pins.
6. ESD Protection: Equipped with electrostatic discharge protection, ensuring reliability in various environments.
7. Small Package: Available in a compact TSSOP-8 package, ideal for space-constrained applications.
These features make the TCA9537DGSR suitable for applications requiring expanded digital input/output capabilities in a compact and efficient form.
Pinout
The TCA9537DGSR is a 4-bit I²C-bus and SMBus I/O port with interrupt output. It is available in a 10-pin VSSOP (DGSR) package. This device allows for the expansion of I/O ports for microcontrollers or microprocessors via the I²C interface.
Pin Count and Functionality:
1. VCC: Power supply pin.
2. GND: Ground pin.
3. SCL: Serial clock input for I²C interface.
4. SDA: Serial data input/output for I²C interface.
5. INT: Interrupt output, active low, indicating a change in state of the input pins.
6. P0-P3: Four programmable I/O pins that can be configured as inputs or outputs.
The device supports bidirectional data transfer through the I²C protocol and features an interrupt output to signal a change in the input ports. This makes it useful for applications requiring additional GPIOs beyond what is directly available on a microcontroller.
Pin Count and Functionality:
1. VCC: Power supply pin.
2. GND: Ground pin.
3. SCL: Serial clock input for I²C interface.
4. SDA: Serial data input/output for I²C interface.
5. INT: Interrupt output, active low, indicating a change in state of the input pins.
6. P0-P3: Four programmable I/O pins that can be configured as inputs or outputs.
The device supports bidirectional data transfer through the I²C protocol and features an interrupt output to signal a change in the input ports. This makes it useful for applications requiring additional GPIOs beyond what is directly available on a microcontroller.
Manufacturer
The TCA9537DGSR is manufactured by Texas Instruments (TI), a global semiconductor company. TI is headquartered in Dallas, Texas, and is one of the largest producers of semiconductors worldwide. The company designs and manufactures a wide range of products, including analog electronics, digital signal processors, and microcontrollers. TI's products are used in various applications, such as industrial, automotive, personal electronics, and communications equipment. The company is known for its innovation in the electronics industry and has a strong focus on research and development to create advanced semiconductor technologies.
Application
The TCA9537DGSR is an I2C/SMBus I/O expander with a 4-bit general-purpose input/output (GPIO) port. Its application areas include:
1. Consumer Electronics: Used in devices like televisions, set-top boxes, and gaming consoles to expand GPIO capabilities.
2. Industrial Control: Facilitates additional input/output options in programmable logic controllers (PLCs) and automation systems.
3. Computing: Employed in servers and desktop computers to manage peripheral device communications.
4. Networking: Utilized in routers and switches for status monitoring and control signals.
5. Automotive Electronics: Supports various control and monitoring tasks within automotive systems.
Its versatility in expanding GPIO makes it valuable in any system requiring additional input/output capabilities.
1. Consumer Electronics: Used in devices like televisions, set-top boxes, and gaming consoles to expand GPIO capabilities.
2. Industrial Control: Facilitates additional input/output options in programmable logic controllers (PLCs) and automation systems.
3. Computing: Employed in servers and desktop computers to manage peripheral device communications.
4. Networking: Utilized in routers and switches for status monitoring and control signals.
5. Automotive Electronics: Supports various control and monitoring tasks within automotive systems.
Its versatility in expanding GPIO makes it valuable in any system requiring additional input/output capabilities.
Package
The TCA9537DGSR is a part number for a specific IC package from Texas Instruments. It is a 4-bit I2C-bus and SMBus low power I/O port with interrupt output. The "DGSR" suffix indicates that it comes in a VSSOP (Very Thin Shrink Small Outline Package), which is compact and suitable for space-constrained applications.
