TCA6416ZQSR Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
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-VFBGA
Supplier Device Package:	24-BGA MICROSTAR JUNIOR (3x3)
Base Part Number:	TCA6416

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Introduction

The TCA6416ZQSR is a digital IO Expander with and 16-bit I/O port. It is a programmable, interfaced-based, signal switch for controlling individual I/O lines and provides the versatility to replace USB based solution and serial interface solutions. This makes it an ideal choice for embedded applications.

Application field of the TCA6416ZQSR

The TCA6416ZQSR is suitable for a variety of environment, such as consumer, industrial, automotive and medical applications. The device is used in embedded systems, Mobile & Network Applications, Instrumentation & Humidity Detection systems, Relay Technology, Proximity Switches and Security & Automation.The TCA6416ZQSR therefore supports a variety of applications where individual I/O lines need to be controlled. It is also suitable for applications using general-purpose switches, indicators and transducers.

Features of the TCA6416ZQSR

The TCA6416ZQSR features an integrated 16-bit I/O port which can be programmed to perform a variety of digital functions. The device is powered with 1.8V to 5.5V. Its I/O line toggling rate is 1MHz. It has an integrated driver for low-power I²C-compatible Serial Bus Interface and supports 2 wire mode or 3 wire mode. A built-in register bank allows one to configure the TCA6416ZQSR. The device supports up to 7.0MHz operating frequency in fast-mode and can perform auto-incrementing address pointer functions.The TCA6416ZQSR is resistant to short-circuits and has short-circuit current limiting. It is available in several packages including the SIP-14, the SSOP-14 and the QFN-14 packages.

Working principle of the TCA6416ZQSR

The TCA6416ZQSR operates on two principles: the two-wire I²C-compatible Serial Bus Interface and the register bank for configuration.The two-wire I²C-compatible Serial Bus Interface consists of a clock line (SCL) and a data line (SDA). The communication protocol supports a range of addressing modes and commands which can be used to control the I/O lines of the device.The register bank consists of 16-bit Input/Output Registers. This allows the TCA6416ZQSR to store the status of its I/O lines and provides the ability to configure the device depending on the application.The TCA6416ZQSR is configured and controlled via the I²C-compatible Serial Bus Interface and the register bank. When an external device (like a microcontroller) sends a command over the I²C-compatible Serial Bus Interface, it is interpreted by the TCA6416ZQSR. Depending on the command, the TCA6416ZQSR either reads or writes data to/from the register bank, or controls its I/O lines.

Conclusion

In conclusion, the TCA6416ZQSR is a digital IO Expander which is suitable for a range of applications such as consumer, industrial, automotive and medical applications. It features an integrated 16-bit I/O port which can be programmed to perform a variety of digital functions. The two-wire I²C-compatible Serial Bus Interface is used to control the I/O lines of the device and the register bank is used to store the status and configure the device depending on the application. The TCA6416ZQSR is a cost-effective and reliable solution for controlling I/O lines.

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