SP7685ER-L/MTR

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PMICs, or Power Management ICs, play an important role in a variety of applications, from mobile phones to laptops. Among them is the LED driver, which is essential for powering LED displays or LED modules in a wide range of applications. The SP7685ER-L/MTR is a PMIC targeted at portable applications such as mobile phones and tablets and it provides moderate cost, low power consumption and high performance LED drivers. This article will discuss the application field and working principle of the SP7685ER-L/MTR.

The SP7685ER-L/MTR PMIC features two general-purpose LED drivers. These two LED drivers can be used to drive all kinds of battery powered and portable electronic devices, including mobile phones, tablets, digital cameras, MP3 players, and portable game consoles. They can also be used to drive various types of LEDs, including full color, RGB, and single color LEDs.

The two drivers are capable of direct driving up to 70mA maximum current per channel. They are also able to operate a wide variety of current ranges from less than 10μA all the way up to 70mA depending on the desired output luminance and viewing angle. Additionally, the drivers are compatible with over voltage protection, current rise time optimization and dimming. With the in-built over voltage protection, the drivers are able to protect themselves from over voltage situations, which can help to ensure their performance under the most demanding applications.

In terms of working principle, the SP7685ER-L/MTR PMIC is based on a buck-type constant current approach, which allows it to provide stable current and voltage output that can be adjusted by the user depending on their specific application. When the VIN voltage is higher than the switch\'s on-time, the buck converter operates as a step-down voltage regulator, driving the current out of the L/MDR channel to the LED with a constant current. When the VIN voltage is lower than the switch\'s on-time, the buck converter operates as a step-up voltage regulator, driving the current into the L/MDR channel with a constant current. This two-step voltage regulation ensures the SP7685ER-L/MTR PMIC delivers high performance and low power consumption for its applications.

In conclusion, the SP7685ER-L/MTR PMIC is a very versatile PMIC targeted at battery powered and portable devices. Its two LED drivers provide both constant current and constant voltage output, and are capable of direct driving LED modules up to 70 mA. Additionally, the drivers are compatible with over voltage protection, current rise time optimization, and dimming, which makes them suitable for applications requiring high performance and low power consumption. The SP7685ER-L/MTR is a great choice for anyone looking for a high-performance PMIC for their application.

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