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NXP PCA9544APW118 I2C Multiplexer
The PCA9544A is a 4-channel I2C-bus multiplexer with interrupt logic, enabling bidirectional communication between multiple I2C devices. It supports voltage level translation, has active LOW interrupt inputs, and an active LOW interrupt output. The device offers flexible address configuration via three address pins, operates over a voltage range of 2.3 V to 5.5 V, and features low ON-resistance switches for efficient signal switching. It is suitable for applications requiring controlled channel selection, voltage translation, and interrupt handling in complex I2C systems.
NXP PCA9544APW118 I2C Multiplexer Specifications:
- Supply Voltage: 2.3 V to 5.5 V
- Package Options: HVQFN20, TSSOP20, HVQFN20
- Maximum Junction Temperature: 125°C
- Input Voltage Range: -0.5 V to 7.0 V
- I2C-bus Frequency: 0 to 400 kHz
- Alarm/Interrupt Inputs: INTO, INT1 to INT3, active LOW
- Control Register: 8-bit, with channel selection bits
- Voltage Level Translation: Supports 1.8 V, 2.5 V, 3.3 V, and 5 V buses
- On-Resistance (Ron): Typical 16-55 Ω depending on Vpp
- ESD Protection: >2000 V HBM, >1000 V CDM
- Power-On Reset: Automatic at Vpp start-up
- Thermal Resistance (HVQFN20): 32°C/W junction-to-ambient
- Pin Count: 20 pins
- Approvals: UL listed, CSA certified
Buy the NXP PCA9544A – Reliable I2C Multiplexer for Industrial Applications
Discover the NXP PCA9544A 4-channel I2C-bus multiplexer with interrupt logic, optimized for industrial automation and complex systems. With voltage level translation, active LOW interrupt inputs, and low ON-resistance switches, it ensures reliable and flexible communication between multiple I2C devices operating at different voltage levels. Suitable for applications requiring precise channel control, fast switching, and robust noise immunity. Available with various package options, the PCA9544A offers high ESD protection and efficient thermal management, making it a dependable choice for demanding environments. Purchase online now to upgrade your system with industry-leading quality and flexible connectivity capabilities.
Order your NXP PCA9544A series 4-channel I2C-bus multiplexer with interrupt logic today and enhance your system’s communication reliability with proven voltage translation and robust interrupt handling solutions.
Frequently Asked Questions
Where can I buy NXP PCA9544APW118?
You can click on the BUY or RFQ button to purchase PCA9544APW118 from an authorized NXP distributor.
How do I troubleshoot issues or seek technical support for part PCA9544APW118?
You can download the PCA9544APW118 datasheet or visit the NXP website for support.
Who is the manufacturer of PCA9544APW118?
NXP