STCF03PNR Integrated Circuits (ICs)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

PMIC, or Power Management Integrated Circuit, is a type of integrated circuit used for controlling and managing the power consumption of electrical appliances, such as LED drivers. STCF03PNR is a Power Management Integrated Circuit for LED drivers, with several application fields and working principles.

Application Field

STCF03PNR, which is developed by STMicroelectronics, is an ideal choice for controlling common anode LED drivers, in which the anodes of the LEDs are connected to the positive supply and their cathodes are separately connected to the output pins in the PMIC. It can drive up to 24 LEDs, without sound disturbance and heater effect, even when working at a low power level. In some cases, the total output current can reach 1.5A. This device is typically used in automotive lights, like sunrise or fog lights.

Apart from the automotive lights, STCF03PNR is applicable for general lighting as well. It is easy to install and can be connected to the power supply through standard connectors. This PMIC is suitable for both indoor and outdoor lighting applications. Its non-isolated architecture simplifies operation and ensures the safety of users.

Working Principle

The working principle of STCF03PNR is based on a type of novel Control MOSFET (CMOS) technology. In this PMIC, an N-type DMOS output transistor is used as the switch to make the connection between the power source and the LEDs. This transistor is controlled by an internal CF amplifier and has a fast response time (<1us), which is able to detect the amount of current consumption and adjust the LED\'s brightness in real time. Furthermore, the current-mode feedback design makes the output current stable, regardless of the input voltage. This PMIC also comes with a proprietary dynamic current balancing system, which ensures that the LEDs are evenly distributed, even when the output current is high.

STCF03PNR also has advanced thermal protection system, which makes sure the PMIC stays within the safe temperature range when working. In addition to that, an integrated soft-start feature allows the LED drivers to start up slowly, without causing any sudden surges in current.

Conclusion

STCF03PNR is a power management integrated circuit for LED drivers with various application fields and working principles. It is easy to install and can drive up to 24 LEDs. The CF amplifier and dynamic current balancing system enable fast and accurate control of the LED current. It is suitable for both indoor and outdoor applications, and its thermal protection system allows safe operation of the device without sudden surges. In conclusion, STCF03PNR is an ideal choice for controlling and managing the power consumption of LED drivers.

The specific data is subject to PDF, and the above content is for reference