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NXP PCA9545APW112 I2C Switch
The PCA9545A/45B/45C is a quad bi-directional I2C switch with interrupt capabilities and reset function. It supports multi-channel connection with configurable control register, voltage level translation, and hot insertion. Features include low Ron switches, multiple fixed and alternate addresses, and support for 1.8 V to 5 V bus voltages. It is suitable for complex systems requiring multiple I2C buses, ensuring reliable communication, power-on reset, and isolation of malfunctioning channels, making it ideal for advanced electronics and embedded systems.
NXP PCA9545APW112 I2C Switch Specifications:
- Supply Voltage Range: 2.3 V to 5.5 V
- Number of Channels: 4
- Bus Voltage Support: 1.8 V, 2.5 V, 3.3 V, 5 V
- Switch Resistance (Ron): 5 to 55 Ω (Vop=3.6 V, Vo=0.4 V, Iload=15 mA)
- Maximum Junction Temperature: 125°C
- Static capacitance: 10-13 pF
- Input Voltage: -0.5 V to 7.0 V
- Input Current: ±20 mA
- Power Dissipation: 400 mW
- ESD Protection: >2000 V HBM, >1000 V CDM
- Operating Temperature: -40°C to +85°C
- Package Options: HVQFN20, TSSOP20, SOT163-1
- PI Pin: Active LOW reset, interrupt inputs, address pins
- Voltage Level Translation: Enabled via pass gates, limits voltage to bus levels
- Electrical Interface: I2C compatible, SMBus standards
- Supports hot insertion, glitch-free power-up
- Low standby current for efficient power management
Buy the NXP Series PCA9545A I2C Switch: PCA9545APW112
Purchase the NXP PCA9545APW112 online today to enhance your system with a robust 4-channel I2C switch featuring interrupt logic, reset capability, and voltage translation. Designed for seamless integration in complex electronics, it offers low Ron switches, multiple addresses, and support for 1.8 V to 5 V bus voltages, ensuring reliable communication and system stability. Its compact package options and hot-insertion support make it perfect for industrial automation, embedded systems, and high-density electronic applications. Buy now for superior system performance.
Get NXP PCA9545APW112 today—built for advanced I2C bus management and reliable multi-channel switching in modern electronics.
Frequently Asked Questions
Where can I buy NXP PCA9545APW112?
You can click on the BUY or RFQ button to purchase PCA9545APW112 from an authorized NXP distributor.
How do I troubleshoot issues or seek technical support for part PCA9545APW112?
You can download the PCA9545APW112 datasheet or visit the NXP website for support.
Who is the manufacturer of PCA9545APW112?
NXP