MP1529DR-LF-Z

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MP1529DR-LF-Z application field and working principle

MP1529DR-LF-Z, or MP1529, is an LED Driver device in the category of PMIC, or Power Management Integrated Circuits. LEDs, or Light Emitting Diodes, can be found in many devices in our daily lives, including small lamps, flashlights, automotive lighting, home lighting, and many others. Thus, their power needs can vary greatly and MP1529 is designed to meet this need and provide the needed voltage and current for the LEDs.

Application Field

MP1529 can be found in many applications, such as LED lighting, LED displays, LED lighting circuits, LED backlighting, architectural lighting, stage lighting, street lighting, and many more. It can be used in almost any application where an LED needs to be driven with high accuracy, low power consumption, and low current ripple.

Working Principle

MP1529 is an LED Driver with a step-up topology. The device takes in 9-36V input and produces a 6-String output under constant current mode, with an isolated control. The constant current control has a range of 20mA-1500mA. The output voltage range is between 4-36V and 0.2V per string. The PWM dimming frequency is selectable from 200kHz to 1MHz. The device also comes with a thermal protection, short-circuit protection, and over-voltage protection.

The device works by utilizing two transistors, a driver transistor and a control transistor. The driver transistors switch on and off in order to adjust the voltage and current of the LEDs, while the control transistor adjusts the duty cycle to regulate the output current. The duty cycle is adjusted in order to account for the temperature and voltage changes.

MP1529 can also be configured in non-isolated control mode. In this mode, the control circuit is built into the device and does not require an outside source for control. The output current can be adjusted through the use of external resistors, and the output voltage range can be adjusted by using external capacitors. In this mode, the device is capable of supplying up to 1.5A of output current, with an input voltage range of 9-36V.

Conclusion

MP1529 is an LED Driver designed for powering LED lighting systems, with a step-up topology. The device\'s input voltage range is between 9-36V, the output voltage range is between 4-36V, and the constant current control has a range of 20mA-1500mA. The device has many protections, such as thermal protection, short-circuit protection, and over-voltage protection, and can be configured in both isolated and non-isolated control mode. It is ideal for LED lighting, backlighting, LED displays, architectural lighting, stage lighting, street lighting, and many more.

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