PCA9501Manufacturer: PHILIPS 8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9501 | PHILIPS | 201 | In Stock |
Description and Introduction
8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins The **PCA9501** from Philips is a versatile **level-translating I²C-bus repeater** designed to facilitate seamless communication between devices operating at different voltage levels. This component is particularly useful in mixed-voltage systems, where it ensures reliable data transfer without signal degradation.  
Featuring bidirectional voltage translation, the PCA9501 supports voltage ranges from **1.0V to 3.6V** on the low-voltage side and **2.7V to 5.5V** on the high-voltage side. Its built-in buffering capability enhances signal integrity over long bus lines, making it ideal for applications such as embedded systems, industrial controls, and consumer electronics.   The PCA9501 incorporates **automatic direction sensing**, eliminating the need for additional control signals and simplifying system design. It also provides **hot-swap capability**, reducing the risk of data corruption during live insertion or removal. With a low standby current and robust ESD protection, this repeater ensures both efficiency and durability in demanding environments.   Engineers will appreciate its compatibility with **Standard-mode and Fast-mode I²C-bus protocols**, ensuring broad interoperability. Whether bridging legacy and modern systems or extending bus reach, the PCA9501 delivers a reliable solution for voltage-level translation challenges. |
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Application Scenarios & Design Considerations
8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins
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