NCA9548-DTSXR

The NCA9548-DTSXR is an I²C multiplexer from ON Semiconductor, designed to manage multiple I²C buses with a single controller. It features 8 bidirectional channels, allowing communication with up to 8 I²C devices sharing the same address by selecting one channel at a time.
Key features:
- Low-voltage operation (1.65V to 5.5V).
- Software-configurable channel selection via I²C.
- Interrupt output for monitoring downstream devices.
- Hot-swappable to prevent bus contention.
Applications include expanding I²C networks in embedded systems, sensors, and industrial controls. The DTSXR suffix indicates a tape-and-reel packaging for automated assembly.
For detailed specs, refer to the datasheet.

The NCA9548-DTSXR is an I²C multiplexer. Equivalent products include:
- PCA9548APW (NXP)
- TCA9548A (Texas Instruments)
- MAX7313 (Maxim Integrated)
- ADG715 (Analog Devices)
These chips offer similar I²C bus multiplexing functionality with varying features like channel count, voltage range, or package options. Check datasheets for exact compatibility.

The NCA9548-DTSXR is an I²C bus multiplexer with key features:
- 8-channel I²C switch: Routes one master to 8 slave buses.
- Low voltage operation: 1.65V to 5.5V, compatible with mixed-voltage systems.
- High noise immunity: Built-in noise filters on SDA/SCL lines.
- I²C compatible: Supports Standard (100 kHz), Fast (400 kHz), and Fast+ (1 MHz) modes.
- Interrupt support: Per-channel interrupt inputs for event monitoring.
- Small package: 24-pin TSSOP (DTSXR) for space-constrained designs.
- Hot-swappable: Allows live insertion/removal without bus disruption.
Ideal for expanding I²C networks in embedded systems.

The NCA9548-DTSXR is an 8-channel I²C multiplexer with the following key details:
- Pin Count: 24 pins (TSSOP package).
- Functions:
- 1 master I²C port and 8 slave ports for connecting multiple I²C devices.
- Voltage range: 1.65V to 5.5V (supports mixed-voltage systems).
- Interrupt output for monitoring slave devices.
- Low standby current (ideal for power-sensitive applications).
- Software-configurable channel selection via I²C commands.
It is commonly used in systems requiring multiple I²C device management with minimal GPIO usage.

The NCA9548-DTSXR is manufactured by ON Semiconductor, now known as onsemi after rebranding in 2021.
onsemi is a Fortune 500 semiconductor company specializing in power management, sensing, and connectivity solutions. It serves industries like automotive, industrial, and consumer electronics, focusing on energy-efficient innovations.
The NCA9548-DTSXR is an I²C bus multiplexer, enabling communication between multiple I²C devices.

The NCA9548-DTSXR is an I²C multiplexer used in applications requiring multiple I²C device connections with limited bus addresses. Key areas include:
- Embedded Systems: Expands I²C connectivity for sensors, EEPROMs, and peripherals.
- Industrial Automation: Manages multiple sensors/controllers in PLCs and monitoring systems.
- Consumer Electronics: Enables multi-device communication in smart home devices.
- Automotive: Supports infotainment, ADAS, and telematics with segregated I²C buses.
- IoT/Edge Devices: Facilitates sensor hubs and data aggregation.
Its 8-channel switching and low-power operation make it ideal for space-constrained, multi-device designs.

The NCA9548-DTSXR is available in a TSSOP-24 package. This surface-mount package features a thin shrink small outline with 24 pins, suitable for compact PCB designs. It offers reliable performance for I²C bus multiplexing applications.