Description
The PCA9548A is a versatile 8-channel I2C switch that enables bidirectional communication between multiple I2C buses. It resolves I2C slave address conflicts by providing separate downstream channels controlled via a programmable register. Supporting voltage-level translation, it ensures compatibility between different bus voltage levels, making it ideal for applications requiring flexible, reliable I2C communication.
Features:
- Bidirectional Translating Switches: 1-of-8 configuration.
- I2C/SMBus Compatibility: Seamless integration with standard protocols.
- Reset Functionality: Active-low reset to recover from errors.
- Hot Insertion: Supports adding devices without powering down.
- Voltage-Level Translation: Works across 1.8 V, 2.5 V, 3.3 V, and 5 V buses.
- Power-Up Behavior: Channels deselected by default for safety.
- Low On-Resistance (RON): Ensures minimal signal degradation.
- Standby Current: Low power consumption during idle state.
- Expandable Addressing: Three hardware address pins allow up to eight PCA9548A devices on the same bus.
Applications:
- Server and network equipment
- Factory automation systems
- Products with I2C slave address conflicts (e.g., multiple sensors)
- Telecom switching equipment
Package Include :
1 x PCA9548A Low Voltage 8-Channel I2C Switch with Reset