Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| NumberofI/O | 4 |
| Interface | I²C, SMBus |
| InterruptOutput | No |
| Features | POR |
| OutputType | Push-Pull |
| Current-OutputSource/Sink | 10mA, 25mA |
| ClockFrequency | 400 kHz |
| Voltage-Supply | 2.3V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
Tổng quan
Description
The PCA9536DGKR is a low-voltage, 4-bit general-purpose I/O expander designed by NXP Semiconductors. It connects to microcontrollers via the I²C-bus/SMBus and provides additional digital I/O ports for systems with limited GPIO. Each I/O can be configured as input or output and supports high-speed I²C-bus communication (up to 400 kHz). The device operates within a voltage range of 2.3V to 5.5V, making it suitable for a variety of applications, including consumer electronics, industrial automation, and other embedded systems.
The PCA9536DGKR features a flexible pin configuration, enabling different operational modes. Its small footprint, typically in a TSSOP-8 package, allows for integration in space-constrained environments. The device's registers allow for easy programming to control the GPIO states and monitor the pins. Additionally, the PCA9536DGKR provides robust ESD protection and latch-up immunity for reliable performance in harsh conditions. Its low standby current ensures minimal power consumption, which is crucial for battery-powered applications. This I/O expander is ideal for enhancing microcontroller functionality by offloading simple I/O tasks and simplifying circuit design.
The PCA9536DGKR features a flexible pin configuration, enabling different operational modes. Its small footprint, typically in a TSSOP-8 package, allows for integration in space-constrained environments. The device's registers allow for easy programming to control the GPIO states and monitor the pins. Additionally, the PCA9536DGKR provides robust ESD protection and latch-up immunity for reliable performance in harsh conditions. Its low standby current ensures minimal power consumption, which is crucial for battery-powered applications. This I/O expander is ideal for enhancing microcontroller functionality by offloading simple I/O tasks and simplifying circuit design.
Equivalent
The PCA9536DGKR is a 4-bit I2C-bus I/O port with interrupt and reset, made by NXP Semiconductors. Equivalent products include:
1. TCA9536 from Texas Instruments
2. PCF8574 from NXP Semiconductors
3. MCP23008 from Microchip Technology
These components provide similar I2C-bus GPIO port functionality. Ensure you check the specific datasheets for pin compatibility and feature sets, as there may be variations in voltage levels, package types, and additional features.
1. TCA9536 from Texas Instruments
2. PCF8574 from NXP Semiconductors
3. MCP23008 from Microchip Technology
These components provide similar I2C-bus GPIO port functionality. Ensure you check the specific datasheets for pin compatibility and feature sets, as there may be variations in voltage levels, package types, and additional features.
Features
The PCA9536DGKR is a low-voltage, 4-bit I/O port expander with an I2C interface, commonly used in embedded systems. It operates within a voltage range of 1.65V to 5.5V, making it suitable for a wide array of applications. Each of the four I/O pins can be individually configured as an input or output, and are capable of driving high current loads.
Key features include:
- I2C Interface: Supports standard and fast mode I2C communication at speeds up to 400 kHz.
- Low Standby Current: It consumes minimal power when not in active operation, enhancing energy efficiency.
- Configurable I/Os: Each pin can be set as an input or output, offering flexibility for various application needs.
- Interrupt Output: The device can signal an interrupt whenever an input state changes, providing real-time alerts to the host controller.
- Compact Package: Available in a small TSSOP-8 package, making it ideal for space-constrained designs.
Overall, the PCA9536DGKR is well-suited for expanding GPIOs in microcontroller-based systems where additional I/O capacity is needed.
Key features include:
- I2C Interface: Supports standard and fast mode I2C communication at speeds up to 400 kHz.
- Low Standby Current: It consumes minimal power when not in active operation, enhancing energy efficiency.
- Configurable I/Os: Each pin can be set as an input or output, offering flexibility for various application needs.
- Interrupt Output: The device can signal an interrupt whenever an input state changes, providing real-time alerts to the host controller.
- Compact Package: Available in a small TSSOP-8 package, making it ideal for space-constrained designs.
Overall, the PCA9536DGKR is well-suited for expanding GPIOs in microcontroller-based systems where additional I/O capacity is needed.
Pinout
The PCA9536DGKR is a low-voltage, 4-bit I²C-bus I/O port with interrupt and reset. It is designed for general-purpose remote I/O expansion for most microcontroller families. The device operates at a voltage range from 1.65 V to 5.5 V.
The PCA9536DGKR comes in an 8-pin package. The pin functions are as follows:
1. VDD: Power supply.
2. SCL: I²C-bus clock line.
3. SDA: I²C-bus data line.
4. IO0: General-purpose I/O pin.
5. IO1: General-purpose I/O pin.
6. IO2: General-purpose I/O pin.
7. IO3: General-purpose I/O pin.
8. GND: Ground.
This I/O port is useful for applications needing simple I²C-bus expansion and it supports both standard-mode and fast-mode I²C-bus communication up to 400 kHz.
The PCA9536DGKR comes in an 8-pin package. The pin functions are as follows:
1. VDD: Power supply.
2. SCL: I²C-bus clock line.
3. SDA: I²C-bus data line.
4. IO0: General-purpose I/O pin.
5. IO1: General-purpose I/O pin.
6. IO2: General-purpose I/O pin.
7. IO3: General-purpose I/O pin.
8. GND: Ground.
This I/O port is useful for applications needing simple I²C-bus expansion and it supports both standard-mode and fast-mode I²C-bus communication up to 400 kHz.
Manufacturer
The PCA9536DGKR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of integrated circuits (ICs) and other electronic components. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its extensive product portfolio, which includes analog electronics, digital signal processing, and microcontroller technologies. The company serves a variety of sectors including automotive, industrial, personal electronics, communication equipment, and enterprise systems. TI is recognized for its innovation and leadership in semiconductor technology, contributing significantly to the advancement of electronics and computing.
Application
The PCA9536DGKR is a low-voltage 4-bit I²C-bus I/O port with interrupt capability, commonly used in applications requiring simple and flexible I/O expansion. It is suitable for consumer electronics, industrial control, and home automation systems, where it helps to manage limited GPIO availability. This device is also utilized in data communication systems and portable devices for monitoring and controlling peripheral components. Additionally, it can serve in power management tasks, enabling effective control over power distribution. Its small package and low power consumption make it ideal for compact, battery-operated devices.
Package
The PCA9536DGKR is a small outline integrated circuit package known as TSSOP-8 (Thin Shrink Small Outline Package). It typically contains eight pins and is used for applications requiring a digital I/O expander with an I²C interface.
