MP3416GJ-Z

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The MP3416GJ-Z is a current-mode, constant-current peak-current controlled LED driver integrated circuit with embedded MCU control and built-in protections. It belongs to power management IC family and is designed specifically for driving light emitting diodes (LED). This device is intended to be used in high-brightness LED applications such as order-entry systems, transport signage, car exterior lighting systems, expressway tunnel lighting and headlamps.

General Features

• LED Driver IC
• Operating voltage from 4.5V to 40V
• Output current up to 1.4A
• Operating frequency up to 1MHz
• Built-in high-side MOSFETs
• Built-in heat sink temperature sensing
• Internal clock for MCU control loops
• Built-in high/low temperature protection
• Programmable LED current, LED dimming speed and LED turn-on/off time
• Programmable LED dimming modes including broadband, quick-start, dimming speed, PWM, etc.
• Built-in output short-circuit protection

Application Field and Working Principle

The MP3416GJ-Z is a device designed for driving high brightness LEDs. It can work with a wide range of operating voltages and currents to efficiently deliver the desired current to the load. It also features built-in protections and analog-to-digital converters to ensure the safety of the circuit. The various protection features include over-temperature protection, LEDs short-circuit protection, and open-load protection, among others.

The MP3416GJ-Z provides a wide range of LED dimming modes such as, broadband dimming, quick-start dimming, dimming speed, PWM dimming, etc. It also allows for customization of the LED dimming parameters, such as LED current, dimming speed and LED turn-on/off time. Thus, users can easily achieve desired dimming level and effect according to the specific requirements of their projects.

The MP3416GJ-Z offers an internal clock which helps to ensure stable and precise timing control. With this clock, the MCU control loops are preserved even during power-down events, thus providing uniform LED illumination. Furthermore, the internal heat sink temperature sensing helps in preventing LED thermal runaway, limiting the LED junction temperature to acceptable levels.

In conclusion, the MP3416GJ-Z is an excellent choice for LED driver applications that require wide range of operating voltages and currents, high dimming capabilities and ease of customization. It is especially suitable for order-entry systems, transport signage, car exterior lighting systems, expressway tunnel lighting and headlamps due its high efficiency, compact size and programmed capabilities.

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