Allicdata Part #: | MP4653GY-Z-ND |
Manufacturer Part#: |
MP4653GY-Z |
Price: | $ 1.30 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Monolithic Power Systems Inc. |
Short Description: | IC LED DRIVER |
More Detail: | LED Driver IC 1 Output AC DC Offline Switcher Half... |
DataSheet: | MP4653GY-Z Datasheet/PDF |
Quantity: | 1000 |
1000 +: | $ 1.18188 |
Voltage - Output: | -- |
Supplier Device Package: | 20-SOIC |
Package / Case: | 20-SOIC (0.295", 7.50mm Width) |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Applications: | Backlight, Lighting |
Dimming: | Analog, PWM |
Frequency: | -- |
Current - Output / Channel: | -- |
Series: | -- |
Voltage - Supply (Max): | 30V |
Voltage - Supply (Min): | 9V |
Number of Outputs: | 1 |
Internal Switch(s): | No |
Topology: | Half-Bridge |
Type: | AC DC Offline Switcher |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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PMIC - LED Drivers
The MP4653GY-Z is an advanced power management integrated circuit (PMIC) that is specifically designed for use with light-emitting diode (LED) applications. It is a four-channel PMIC that offers both DC and PWM output with an adjustable constant current up to 750 mA per channel, adjustable output voltage and superior efficiency. This PMIC is also capable of delivering high-frequency modulation to the LED providing smooth dimming control.
Application Field
The MP4653GY-Z provides an efficient and high-performance power solution for LED displays, LED strips and LED tube lighting applications. It features 12-bit PWM dimming that allows for a wide range of dimming effects and is also capable of driving up to 4 LED channels. This PMIC also provides an adjustable output voltage range from 3.2 to 24V that enables it to power a range of LED devices, from high-power LED lighting to lighting for displays.
The MP4653GY-Z is particularly suitable for applications that require smooth dimming control with high efficiency, such as LED backlit displays, LED light bars and LED billboards. It is also commonly used in LED accent lighting and LED decorative lighting applications. Additionally, this PMIC is compatible with up to 1024 dimming level settings, providing accurate and efficient dimming control.
Working Principle
The MP4653GY-Z utilizes a power switch MOSFET integrated in the PMIC to provide up to 750mA per channel output and adjustable output voltage. The MOSFET is driven using a digitally-modulated DC source and incorporated synchronous rectification to attain high efficiency. This DC source is connected to the input and output terminals for the MOSFET to provide RDS(on) current-sensing feedback and voltage regulation.
The MP4653GY-Z also features 12-bit PWM dimming, which provides 1024 different dimming levels. The PWM dimming is implemented by using the MOSFET to periodically turn the current to the LED on and off with a given duty cycle. The duty cycle is varied gradually over time to provide a smooth dimming effect.
This PMIC also features adjustable over temperature protection and adjustable output voltage, ensuring that the LED maintains optimal and safe operating conditions. This adjustable protection can be set to a specific temperature threshold, making it suitable for applications that require additional protection from high temperatures.
Conclusion
The MP4653GY-Z PMIC is an advanced and efficient power solution for LED applications. It is capable of providing DC and PWM output with adjustable constants current up to 750 mA per channel, adjustable output voltage and superior efficiency. It also features adjustable over temperature protection and adjustable output voltage, making it ideal for applications such as LED displays, LED strip and LED tube lighting. The 12-bit PWM dimming provides 1024 different dimming levels, enabling it to provide smooth dimming control to the LED.
The specific data is subject to PDF, and the above content is for reference
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