TLC5917IPWR

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PMIC - LED Drivers are widely used in almost all kinds of electronic products. The most common ones are TLC5917IPWR, which is a type of I2C-bus constant current output LED drivers. This type of LED driver is designed to control up to 16 independent channels with 4-bit switch current regulation. It features an 8-bit resolution current regulation, allowing you to control the output current with smooth gradation. In addition, the built-in I2C-bus command can be used to read register or write data.

TLC5917IPWR\'s application field is that it can be used for a varity of lighting systems that require high brightness and low power consumption, such as smartphone backlight, laptop backlight, automotive lighting, monitors, lighting fixtures, etc. These applications can take maximum advantage of this LED driver\'s current adjustable capabilities. To maximise the output of various LED products, the voltage range of TLC5917IPWR can be adjusted from 4.5V to 27V depending on the customer\'s requirements.

The working principle of the TLC5917IPWR is quite simple. Firstly, the LEDdriver connects to the LED light string, and the LED light string connects with the external power supplies. Then the LED driver regulates the voltage input to the LED light string accordingto the pre-programming regulation function. It will search and adjust the most suitable constant current to match with the LED lighting string. As a result, the LED will be very consistent in terms of brightness and color temperature. Since the power supply voltage and the LED string are regulated by the same circuit, the voltage and current of the LEDs remain safe and reliable.

Furthermore, this LED driver is also capable of high temperature operating. It is able to operate at temperatures ranging from -20℃ to +85℃. The maximum peak current should be less than 20mA per channel while the maximum sustained current should be no more than 10mA per channel. TLC5917IPWR is also equipped with the fault protection feature. It is particularly useful in bad weather conditions as it can protect the LED driver from over-voltage and over-temperature.

In conclusion, TLC5917IPWR is a highly efficient LED driver, packed with advanced features and designed to meet the needs of modern LED systems. Its adjustable current options enable it to increase the LED\'s output intensity and brightness range, making it ideal for a variety of LED-related applications. The built-in I2C-bus command allows for easy communication and its robust design ensures exceptional reliability. With these features, TLC5917IPWR is an excellent choice for any LED system.

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