PCA9501PWManufacturer: PHILIPS, PHI, NXP 8-bit I2C-bus and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins |
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| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9501PW | PHILIPS, PHI, NXP | 2187 | In Stock |
Description and Introduction
8-bit I2C-bus and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins The **PCA9501PW** from Philips is a versatile electronic component designed to facilitate level shifting between different voltage domains in digital circuits. As a bidirectional I²C-bus and SMBus voltage-level translator, it ensures seamless communication between devices operating at distinct logic levels, typically between 1.2V and 5.5V.  
This device is particularly useful in mixed-voltage systems, where compatibility between low-voltage microcontrollers and higher-voltage peripherals is essential. The PCA9501PW features automatic direction sensing, eliminating the need for additional control signals and simplifying system design. Its robust architecture supports hot insertion, making it suitable for applications requiring dynamic connectivity.   Key specifications include low standby current consumption, high noise immunity, and compatibility with standard I²C-bus protocols. The component is housed in a TSSOP-8 package, offering a compact footprint for space-constrained designs.   Common applications include embedded systems, industrial automation, and consumer electronics where reliable voltage translation is critical. By ensuring signal integrity across varying voltage levels, the PCA9501PW enhances system flexibility while maintaining performance.   Engineers value this component for its reliability, ease of integration, and adherence to industry standards, making it a practical choice for modern digital interfaces. |
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Application Scenarios & Design Considerations
8-bit I2C-bus and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins
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