PCA9515ADGKTG4
Product Overview
Category: Integrated Circuit (IC)
Use: Level shifting and translating between different voltage levels in I2C bus applications.
Characteristics: - Bidirectional voltage level translation - Supports I2C Fast Mode Plus (Fm+) with speeds up to 1 MHz - Compatible with both 3.3V and 5V systems - Provides buffering for unidirectional data transfer - Supports hot insertion - Low standby current consumption
Package: VSSOP-8
Essence: The PCA9515ADGKTG4 is a level translator IC designed specifically for I2C bus applications, allowing communication between devices operating at different voltage levels.
Packaging/Quantity: The PCA9515ADGKTG4 is available in tape and reel packaging, with 2500 units per reel.
Specifications
- Supply Voltage Range: 2.3V to 5.5V
- Operating Temperature Range: -40°C to +85°C
- Maximum Data Rate: 1 MHz
- Standby Current: 10 µA (typical)
- Rise/Fall Time: 20 ns (maximum)
Pin Configuration
The PCA9515ADGKTG4 has a total of 8 pins arranged as follows:
___________
| |
SDA |1 8| VCC
SCL |2 7| OE
GND |3 6| A1
GND |4 5| A0
|___________|
Functional Features
- Bidirectional voltage level translation between two I2C buses operating at different voltage levels.
- Allows communication between devices with different supply voltages.
- Provides buffering for unidirectional data transfer.
- Supports hot insertion, allowing devices to be added or removed from the bus without disrupting communication.
- Compatible with both 3.3V and 5V systems.
Advantages
- Simplifies interfacing between I2C devices operating at different voltage levels.
- Supports high-speed data transfer up to 1 MHz.
- Low standby current consumption helps conserve power.
- Hot insertion capability allows for easy device integration.
Disadvantages
- Limited to level shifting and translation within the I2C bus protocol.
- Not suitable for applications requiring bidirectional voltage translation beyond the I2C bus.
Working Principles
The PCA9515ADGKTG4 utilizes a bidirectional voltage level translator to enable communication between I2C devices operating at different voltage levels. It employs a voltage-level detection circuit that automatically adjusts the logic thresholds to match the respective supply voltages. This ensures reliable data transfer between devices with varying voltage requirements.
Detailed Application Field Plans
The PCA9515ADGKTG4 is commonly used in various applications where level shifting and translation are required in I2C bus communication. Some typical application fields include:
- Embedded Systems: Used to interface microcontrollers and sensors operating at different voltage levels.
- Industrial Automation: Enables communication between devices with different supply voltages in industrial control systems.
- Consumer Electronics: Facilitates interconnection between components operating at different voltage levels in audio/video equipment, gaming consoles, etc.
- Automotive Electronics: Allows communication between automotive modules operating at different voltage levels, such as infotainment systems and vehicle control units.
Detailed and Complete Alternative Models
- PCA9306: Bidirectional I2C-bus and SMBus voltage-level translator with automatic direction sensing.
- TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing.
- SN74LVC1T45: Single-bit dual-supply bus transceiver with configurable voltage-level translation.
These alternative models offer similar functionality and can be considered as alternatives to the PCA9515ADGKTG4 for level shifting and translating in I2C bus applications.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af PCA9515ADGKTG4 i tekniske løsninger
Sure! Here are 10 common questions and answers related to the application of PCA9515ADGKTG4 in technical solutions:
Q: What is PCA9515ADGKTG4? A: PCA9515ADGKTG4 is a level-translating I2C-bus repeater that provides bidirectional voltage-level translation between low-voltage (down to 0.9V) and higher-voltage (up to 5.5V) I2C-bus or SMBus applications.
Q: What is the purpose of using PCA9515ADGKTG4 in a technical solution? A: PCA9515ADGKTG4 allows communication between devices operating at different voltage levels, enabling seamless integration of components with varying voltage requirements in an I2C-bus or SMBus system.
Q: How many channels does PCA9515ADGKTG4 have? A: PCA9515ADGKTG4 has two bidirectional channels, allowing for voltage-level translation between two different voltage domains.
Q: What is the maximum data rate supported by PCA9515ADGKTG4? A: PCA9515ADGKTG4 supports a maximum data rate of 400 kHz, making it suitable for high-speed I2C-bus or SMBus applications.
Q: Can PCA9515ADGKTG4 be used as a standalone device? A: Yes, PCA9515ADGKTG4 can be used as a standalone device or integrated into larger systems, depending on the specific application requirements.
Q: Does PCA9515ADGKTG4 require external power supply? A: Yes, PCA9515ADGKTG4 requires an external power supply to operate. It supports a wide voltage range from 1.65V to 5.5V.
Q: Can PCA9515ADGKTG4 handle level shifting for bidirectional communication? A: Yes, PCA9515ADGKTG4 supports bidirectional voltage-level translation, allowing for seamless communication between devices operating at different voltage levels.
Q: What is the typical quiescent current consumption of PCA9515ADGKTG4? A: The typical quiescent current consumption of PCA9515ADGKTG4 is very low, typically around 2 µA, making it suitable for power-sensitive applications.
Q: Is PCA9515ADGKTG4 compatible with other I2C-bus or SMBus devices? A: Yes, PCA9515ADGKTG4 is fully compatible with other I2C-bus or SMBus devices and can be used in conjunction with them without any issues.
Q: Are there any application-specific considerations when using PCA9515ADGKTG4? A: It is important to consider factors such as voltage level compatibility, data rate requirements, and power supply considerations when integrating PCA9515ADGKTG4 into a technical solution. Additionally, proper decoupling and layout techniques should be followed for optimal performance.