PCA9531PW,112

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PCA9531PW,112 is a precision low-power digital output programmable blinks driver. This drive implements a constant current output for driving up to 4 LEDs within an adjustable frequency configuration. The maximum continuous individual LED current of 12 mA allows for the combination of multiple strings of high-brightness LEDs effectively. This feature makes PCA9531PW,112 well suited for a variety of design uses such as Illumination, backlighting, display applications, tree and programmable lights.

PCA9531PW,112 can be used in combination with various different controllers or microcontrollers to achieve a controllable and reliable LED system. It has the capability to be directly interfaced with I2C compatible controllers for a versatile and flexible range of applications. The PCA9531PW,112 is used in many applications that are power sensitive such as when driving a battery powered lighting system. It has an operating voltage from 2.2V to 5.5V and is also able to operate at low power levels. It also accepts logic level inputs, allowing it to run at even lower power levels.

The PCA9531PW,112 has sixteen different output configurations available, which can be programmed to blink or maintain the LED state. It is possible to program the frequency rate and duty cycle of the output with a range of 16MHz to 31KHz. The pulse width modulation of the output can also be adjusted, setting the ratio of the ON time and the OFF time of the output You can also program the output timings between toggle states. The output will remain in the programmable OFF state until the reset command is issued. The reset command will set the output to the programmable ON state. The device is capable of pulse width adjustment between 10% and 90%.

The PCA9531PW,112 can drive up to four LEDs with a continuous individual current of 12 mA. The LEDs can be dimmed by varying the duty cycle from 0% up to the maximum of 90% and the frequency can be varied from 16 MHz to 31KHz. The output polarity can be individually programmed for each of the four output channels. The device has programmable EEPROM, making it easy to configure the desired output profile and store it for future use. The EEPROM also makes the device easy to reprogram without the need to remove and replace it.

In summary, the PCA9531PW,112 is a programmable digital output LED blink driver designed for use with I2C boards and controllers. It provides a constant current output for driving up to four LEDs, allowing for an adjustable frequency configuration, and has the capability to be directly interfaced with I2C compatible controllers. The PCA9531PW,112 can be used for a variety of designs, ranging from illumination and backlighting applications to tree and programmable LED lights. The programmable EEPROM allows for a variety of output profiles and makes the device easy to reprogram when necessary.

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