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規格
| 屬性 | 價值 |
| Packaging | Tube |
| Brand | NXP Semiconductors |
| Product Type | Signal Buffers, Repeaters |
| Factory Pack Quantity:Factory Pack Quantity | 2400 |
| Subcategory | Interface ICs |
| Interface Type | I2C |
| Supply Voltage - Min | 2.3 V |
| Supply Voltage - Max | 3.6 V |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C |
| Mounting Style | SMD/SMT |
| Product | Buffers |
| Unit Weight | 0.006102 oz |
| Type | I2C Bus |
| Operating Supply Voltage | 2.3 V to 3.6 V |
| Shipping Restrictions | Mouser does not presently sell this product in your region. |
| Package / Case | TSSOP-16 |
| Part # Aliases | PCA9516APW,112 |
| Propagation Delay Time | 150 ns |
| Pd - Power Dissipation | 300 mW |
概述
Description
The PCA9516APW is a dual bidirectional I²C bus buffer designed to extend the I²C bus and improve signal integrity in applications where the distance between master and slave devices exceeds typical limits. It operates on a power supply voltage of 3.0V to 5.5V and supports standard I²C data rates up to 1 MHz.
This device is particularly useful in systems with multiple I²C devices, enabling the connection of devices with different supply voltages by isolating them. The PCA9516APW features two channels, allowing separate buffering for each I²C bus line (SDA and SCL), which helps minimize signal degradation.
Key features include low propagation delay, a wide voltage range, and support for both fast-mode and standard-mode I²C communication. It is available in a TSSOP-20 package, making it suitable for compact designs. Overall, the PCA9516APW is an effective solution for enhancing I²C communication in complex electronic systems.
This device is particularly useful in systems with multiple I²C devices, enabling the connection of devices with different supply voltages by isolating them. The PCA9516APW features two channels, allowing separate buffering for each I²C bus line (SDA and SCL), which helps minimize signal degradation.
Key features include low propagation delay, a wide voltage range, and support for both fast-mode and standard-mode I²C communication. It is available in a TSSOP-20 package, making it suitable for compact designs. Overall, the PCA9516APW is an effective solution for enhancing I²C communication in complex electronic systems.
Equivalent
The PCA9516APW is a bus buffer designed for I2C and SMBus applications. Equivalent products include the TCA9516, P82B96, and PCA9515. These alternatives provide similar functionality for voltage level translation and buffering of I2C signals. Always verify specific application requirements and compatibility before substituting components.
Features
The PCA9516APW is an I²C bus buffer that allows multiple I²C devices to communicate without interference. Key features include:
1. Voltage Level Translation: Supports mixed-voltage systems, facilitating communication between devices operating at different voltage levels (1.8V to 5.5V).
2. Bidirectional Buffering: Allows bidirectional data flow, maintaining the integrity of the I²C signals.
3. High-Speed Operation: Supports standard (100 kHz), fast (400 kHz), and fast-mode plus (1 MHz) I²C bus speeds.
4. Low Power Consumption: Designed for low power operation, which is beneficial in battery-powered applications.
5. Wide Operating Temperature Range: Operates from -40°C to +125°C, suitable for various environmental conditions.
6. Multiple Channels: Provides multiple buffer channels, enhancing system flexibility and scalability.
7. Easy Integration: Available in a 16-pin TSSOP package, facilitating straightforward PCB integration.
These features make the PCA9516APW ideal for improving I²C bus reliability and extending communication distances in complex electronic systems.
1. Voltage Level Translation: Supports mixed-voltage systems, facilitating communication between devices operating at different voltage levels (1.8V to 5.5V).
2. Bidirectional Buffering: Allows bidirectional data flow, maintaining the integrity of the I²C signals.
3. High-Speed Operation: Supports standard (100 kHz), fast (400 kHz), and fast-mode plus (1 MHz) I²C bus speeds.
4. Low Power Consumption: Designed for low power operation, which is beneficial in battery-powered applications.
5. Wide Operating Temperature Range: Operates from -40°C to +125°C, suitable for various environmental conditions.
6. Multiple Channels: Provides multiple buffer channels, enhancing system flexibility and scalability.
7. Easy Integration: Available in a 16-pin TSSOP package, facilitating straightforward PCB integration.
These features make the PCA9516APW ideal for improving I²C bus reliability and extending communication distances in complex electronic systems.
Pinout
The PCA9516APW is a dual bidirectional I²C and SMBus bus buffer that operates with a pin count of 16.
Pin Functions:
1. VCC (Pin 1, 16): Power supply (2.3V to 5.5V).
2. GND (Pin 8): Ground reference.
3. SDA (Pins 2, 3): Serial Data lines for I²C communication.
4. SCL (Pins 4, 5): Serial Clock lines for I²C communication.
5. A (Pins 6, 7): Connection for the "A" side I²C bus.
6. B (Pins 9, 10): Connection for the "B" side I²C bus.
7. Enable (Pin 11): Active high for enabling the buffer.
8. NC (Pins 12, 13, 14, 15): No connection.
This device allows for increased bus capacitance and isolation between I²C segments, facilitating longer distance communication without degradation of the signal integrity.
Pin Functions:
1. VCC (Pin 1, 16): Power supply (2.3V to 5.5V).
2. GND (Pin 8): Ground reference.
3. SDA (Pins 2, 3): Serial Data lines for I²C communication.
4. SCL (Pins 4, 5): Serial Clock lines for I²C communication.
5. A (Pins 6, 7): Connection for the "A" side I²C bus.
6. B (Pins 9, 10): Connection for the "B" side I²C bus.
7. Enable (Pin 11): Active high for enabling the buffer.
8. NC (Pins 12, 13, 14, 15): No connection.
This device allows for increased bus capacitance and isolation between I²C segments, facilitating longer distance communication without degradation of the signal integrity.
Manufacturer
The PCA9516APW is manufactured by NXP Semiconductors, a global company known for its expertise in high-performance mixed-signal and standard product solutions. NXP designs and manufactures a wide range of integrated circuits, including those for automotive, industrial, and consumer applications. The PCA9516APW specifically is a dual bidirectional I²C bus and SMBus buffer, which helps extend the range and improve the performance of I²C communications in various electronic systems.
NXP Semiconductors is a leading player in the semiconductor industry, focusing on innovation and developing products that enable secure connections and infrastructure for a smarter world. The company was formed in 2006 after being spun off from Philips and has since expanded its portfolio through acquisitions and organic growth. NXP serves a broad market, including automotive, IoT, mobile, and security sectors, emphasizing providing solutions that enhance connectivity and efficiency in modern technologies.
NXP Semiconductors is a leading player in the semiconductor industry, focusing on innovation and developing products that enable secure connections and infrastructure for a smarter world. The company was formed in 2006 after being spun off from Philips and has since expanded its portfolio through acquisitions and organic growth. NXP serves a broad market, including automotive, IoT, mobile, and security sectors, emphasizing providing solutions that enhance connectivity and efficiency in modern technologies.
Application
The PCA9516APW is a dual bidirectional I2C bus buffer designed to extend the I2C communication range and improve signal integrity. It is commonly used in applications such as:
1. Consumer Electronics: Enhancing communication between microcontrollers and peripherals.
2. Industrial Automation: Connecting multiple I2C devices over longer distances.
3. Automotive Systems: Facilitating communication between sensors and controllers.
4. Medical Devices: Enabling reliable data transfer in diagnostic equipment.
5. Smart Home Devices: Integrating various I2C components in home automation systems.
Overall, it helps maintain signal quality in complex I2C networks.
1. Consumer Electronics: Enhancing communication between microcontrollers and peripherals.
2. Industrial Automation: Connecting multiple I2C devices over longer distances.
3. Automotive Systems: Facilitating communication between sensors and controllers.
4. Medical Devices: Enabling reliable data transfer in diagnostic equipment.
5. Smart Home Devices: Integrating various I2C components in home automation systems.
Overall, it helps maintain signal quality in complex I2C networks.
Package
The PCA9516APW is packaged in a TSSOP (Thin Shrink Small Outline Package) format. It typically features 16 pins and is designed for surface mounting on printed circuit boards.