PCA9516APW,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level shifting and voltage translation between different logic levels in I2C bus systems
• Characteristics:
  • Bidirectional voltage level shifting
  • Supports I2C Fast Mode (up to 400 kHz) and Standard Mode (up to 100 kHz)
  • Compatible with both 3.3V and 5V systems
  • Low standby current consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Facilitates communication between devices operating at different voltage levels within an I2C bus system
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 2.3V to 5.5V
• Logic Voltage Levels:
  • VCCA: 1.65V to 5.5V
  • VCCB: 2.3V to 5.5V
• Maximum Data Rate: 400 kHz
• Standby Current: 10 µA (typical)

Detailed Pin Configuration

The PCA9516APW,112 IC has a total of 16 pins. The pin configuration is as follows:

Pin 1: SDA1 Pin 2: SCL1 Pin 3: GND Pin 4: VCCB Pin 5: SDA2 Pin 6: SCL2 Pin 7: OE Pin 8: EN Pin 9: A0 Pin 10: A1 Pin 11: A2 Pin 12: NC Pin 13: NC Pin 14: NC Pin 15: GND Pin 16: VCCA

Functional Features

• Bidirectional voltage level shifting: Allows communication between devices operating at different voltage levels within an I2C bus system.
• Automatic direction sensing: The PCA9516APW,112 automatically senses the direction of data flow and adjusts the voltage levels accordingly.
• Enable and output enable pins: Provides control over the operation of the IC.
• Low standby current consumption: Ensures minimal power consumption when the IC is not actively transferring data.

Advantages and Disadvantages

Advantages: - Simplifies interfacing between devices with different voltage levels in I2C bus systems. - Supports both Fast Mode and Standard Mode I2C communication. - Compatible with a wide range of supply voltages. - Low standby current consumption helps conserve power.

Disadvantages: - Limited to voltage level shifting within I2C bus systems only. - May require additional components for more complex voltage level shifting scenarios.

Working Principles

The PCA9516APW,112 operates by monitoring the SDA (Serial Data) and SCL (Serial Clock) lines of the I2C bus. It automatically detects the direction of data flow and adjusts the voltage levels on the corresponding lines to ensure proper communication between devices with different voltage requirements. The enable and output enable pins provide control over the operation of the IC.

Detailed Application Field Plans

The PCA9516APW,112 is commonly used in various applications where voltage level shifting is required within an I2C bus system. Some specific application field plans include: - Interfacing between microcontrollers and sensors operating at different voltage levels. - Communication between different modules or boards within an electronic system. - Integration of peripherals with different voltage requirements into a single I2C bus network.

Detailed and Complete Alternative Models

• PCA9306DCUR: Similar bidirectional I2C bus voltage level translator with automatic direction sensing.
• TXB0108PWR: Eight-channel bidirectional voltage level translator for various communication protocols, including I2C.
• BSS138: General-purpose N-channel MOSFETs that can be used for level shifting applications.

Note: The above alternative models are provided as examples and may not cover all possible alternatives. It is recommended to refer to the manufacturer's documentation for a comprehensive list of alternative models.

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