PCAL9535APW,118

Interface - I/O Expanders

PCAL9535APW is an interface - I/O expander, and can monitor multiple digital inputs and control multiple digital outputs. It provides a cost effective solution for systems which require additional general purpose inputs, outputs, or both.

118 Applications Field

PCAL9535APW is a 2-channel I2C-bus / SMBus I/O expander optimized for low-power applications. It is suitable for power management, motor control, visual signal indicators, and heating and cooling control. It can be used for applications such as building automation, industrial control, or automotive applications.

PCAL9535APW can be used to interface a variety of input devices such as buttons, switches, potentiometers, and limit switches, while controlling a variety of output devices such as LEDs, relays, and motors. With its on-board 3.3V regulator and its configurable I/O pins, the PCAL9535APW is versatile and can be used in a variety of applications.

Working Principle

PCAL9535APW has two I2C channels, one for the master and one for the slave. Each port can assume either of two states, an input or an output. When a port is in the input state, it can be used to read digital inputs from external devices. When a port is in the output state, it can be used to control digital outputs in order to drive a variety of devices.

The PCAL9535APW can be used to configure the I/O ports as either inputs or outputs. This versatility makes it possible to use the PCAL9535APW for a wide range of applications. With the ability to configure the I/O ports for either input or output at the same time, this device allows its users to control multiple digital output devices with a single device.

Conclusion

The PCAL9535APW is a versatile and flexible interface - I/O expander which offers a cost effective solution for systems with additional general purpose inputs, outputs, or both. It can be used to interface a variety of input devices and control a variety of output devices with its two configurable I2C channels and on-board 3.3V regulator. With its wide range of applications, the PCAL9535APW is an ideal choice for a variety of low-power applications.