TLC5917IPW

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TLC5917IPW is a new type of integrated power management IC, belonging to the PMIC-LED Drivers products. It is specially designed for lighting, mobile communication, portable device and other applications. TLC5917IPW can provide DC power for the devices, and it has a wide range of advantages.

Application fields

• Lighting: TLC5917IPW is suitable for car dome light, fog lamp, headlights, emergency lighting, decorative lighting and so on.
• Mobile communication: TLC5917IPW can provide DC power for the display of the mobile phone, the backlight of the keyboard, the charging state reminder and other functions.
• Portable device: TLC5917IPW can provide DC power for power supply, integration of various operating peripherals, such as Bluetooth, GPS, shortwave or FM radio, etc.

Working Principle

The working principle of the TLC5917IPW is based on a closed- loop circuit. It adopts simple operation and works without external components. It consists of an input voltage port, an output voltage port, a control port, an oscillator and an ADC module. The TLC5917IPW also has two integrated a/d converters, one for voltage input and one for current output. The a/d converters extract the input voltage or current and convert it into digital signals. The digital signals are compared to the reference voltage and adjusted by the error amplifier. The output voltage or current is monitored by the a/d converter and the reference voltage is adjusted accordingly.

The oscillator allows the TLC5917IPW to switch on and off at a predetermined frequency. The frequency of the oscillation determines the output voltage or current. The output voltage or current is monitored and updated regularly, so as to keep the output voltage or current within the allowable range. In addition, the TLC5917IPW also has overload and short-circuit protection, and its operating accuracy can be adjusted.

In summary, the TLC5917IPW is a new type of integrated power management IC, specially designed for lighting, mobile communication, portable devices and other applications. It has a wide range of advantages, including low power consumption, high reliability, adjustable operating accuracy and excellent protection functions. It can provide DC power for devices and meet various application requirements.

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