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PCA9535RGER from TI,Texas Instruments

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PCA9535RGER

Manufacturer: TI

Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
PCA9535RGER TI 17345 In Stock

Description and Introduction

Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-VQFN -40 to 85 # Introduction to the PCA9535RGER from Texas Instruments  

The PCA9535RGER is a versatile 16-bit I²C-bus and SMBus I/O expander designed to enhance system flexibility in embedded applications. This CMOS-based device provides general-purpose remote I/O expansion for microcontrollers, enabling efficient control of multiple digital signals with minimal wiring.  

Featuring an I²C interface, the PCA9535RGER supports bidirectional data transfer and operates at voltages ranging from 2.3V to 5.5V, making it compatible with a wide range of logic levels. Each of its 16 I/O pins can be independently configured as an input or output, offering adaptable connectivity for sensors, switches, LEDs, and other peripherals.  

Key features include programmable polarity inversion, interrupt output for monitoring input changes, and low standby current consumption, ensuring energy-efficient operation. The device also incorporates internal power-on reset functionality for reliable initialization.  

Housed in a compact 24-pin VQFN (RGE) package, the PCA9535RGER is ideal for space-constrained designs in industrial, consumer, and automotive applications. Its robust performance and ease of integration make it a practical solution for expanding I/O capabilities in modern electronic systems.

Application Scenarios & Design Considerations

Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-VQFN -40 to 85

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