TCA9539RGER

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Number of I/O:	16
Interface:	I²C, SMBus
Interrupt Output:	Yes
Features:	POR
Output Type:	Push-Pull
Current - Output Source/Sink:	10mA, 25mA
Clock Frequency:	400kHz
Voltage - Supply:	1.65 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	24-VFQFN Exposed Pad
Supplier Device Package:	24-VQFN (4x4)

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Introduction to Interface - I/O Expanders

Interface - I/O expander is an electronic device that increases the number of available pins on a microcontroller, allowing more analog and digital devices to be attached.It connects to the microcontroller’s I/O lines and communicates with the microcontroller via an I2C, SPI, or UART interface, then expands the number of available I/O lines by translating data received from the microcontroller and sending the data back to the microcontroller.

TCA9539RGER Application Field and Working Principle

The TCA9539RGER is an I/O expander designed by NXP Semiconductors.It is an 8-bit I/O expander and is ideal for applications that need to connect several external components with a single I2C, SPI, or UART interface.The TCA9539RGER can be operated from 1.8V to 5V, and it supports the new I2C and SPI slave protocols, which makes is fast and efficient for data transmission. The TCA9539RGER is ideal for applications such as consumer products, medical devices, automotive systems, and industrial applications.The TCA9539RGER can also be used as an I2C bus core to expand the number of devices that can be attached to the same bus. The TCA9539RGER is designed to use the pulse width modulation (PWM) technology, which means the device can expand the number of available I/O lines by translating the data received from the microcontroller and sending the data back to the microcontroller.By using the PWM technology, the TCA9539RGER can expand the number of available I/O lines to up to 256 total pins, allowing more analog and digital devices to be connected. The TCA9539RGER also features a low-power sleep mode, which is ideal for reducing power consumption. When in sleep mode, the TCA9539RGER consumes only 1 mA, thereby reducing the overall power consumption of the system.The TCA9539RGER can also be configured for a wide range of operating voltages, making it an ideal choice for low-power applications.

Conclusion

The TCA9539RGER is an ideal choice for those looking to increase the number of available I/O lines on their microcontroller.Due to its low-power sleep mode, it can reduce the overall power consumption of the system, and its ability to expand the number of available pins can allow it to connect more analog and digital devices.The TCA9539RGER is an ideal choice for applications in a wide range of areas, such as consumer products, medical devices, automotive systems, and industrial applications.

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