STLD20D-C8 Integrated Circuits (ICs)

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The STLD20D-C8 is an innovative PMIC - LED Controller driver designed to meet the needs of high performance and cost efficient applications. It is a cost-effective device with a wide range of applications including home lighting, automotive lighting, and industrial lights.

The device is designed with a standard and maximum load current of 1.25A and 2A respectively and features a wide input voltage range of 2V to 18V, allowing it to be used in a variety of applications. It has a low operating current of 8mA and a wide temperature range of -40°C to 90°C. Furthermore, the device is operable in forward, reverse, and bipolar modes, providing flexibility for many types of LED related applications.

STLD20D-C8 is an efficient device powered by a green 3D2S architecture consisting of an optimized power supply and a simple digital interface, allowing for easy and quick configuration of the controller by the end user. This design also makes the device low power consumption and cost effective. The device is provided with a PWM signal generator and a fast protection circuit which ensures safe operation at higher input voltages.

In addition, STLD20D-C8 also features a high load current sense capability, which can detect the real-time load current thus effectively controlling the over-load and over-temperature conditions. It also has a high-frequency switching frequency up to 750kHz, allowing it to handle high-speed applications with low noise emission.

The working principle of STLD20D-C8 revolves around the main 3D2S architecture which is used to regulate variable current and voltage outputs. According to this architecture, the current and voltage are regulated through the two stages: power drive stage and sense stage. In the power drive stage, an optimized switching power supply is used to convert the input voltage into an output variable current and voltage levels. This current and voltage are then adjusted through the sense stage which includes a sensing circuit and a control circuit.

The sensing circuit is used to measure the real-time load current and identify over-load and over-temperature conditions. The control circuit is used to adjust the current and voltage levels according to the programmed settings. The device also features an excellent soft-start feature which can protect the load during the start-up phase, as well as a fast response circuit to ensure efficient operation when load fluctuates.

Overall, STLD20D-C8 is a great cost-effective device with a wide range of applications such as home lighting, automotive lighting, and industrial lighting. It features a wide input voltage range, low operating current, a high load current sense capability, and a high frequency switching frequency up to 750kHz. Moreover, the 3D2S architecture and integrated protection circuit ensure safe and efficient operation of the device even at higher input voltages.

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