AP3039AMTR-G1 Integrated Circuits (ICs)

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PMIC - LED drivers are necessary for many applications in both our technological and everyday lives. AP3039AMTR-G1 is one such device included in the PMIC – LED driver family. The AP3039AMTR-G1 is a monolithic integrated DC-DC converter specifically designed for ultra-low power LED lighting applications. It is a cost-effective solution for embedded LED lighting applications and provides an efficient, reliable, and low-cost illumination control.

One of the primary applications for the AP3039AMTR-G1 is to provide dimming control for LED backlighting applications. The device is designed to step down a regulated input voltage and convert it to a regulated current source to power the LED string. This ensures the LED backlight is maintained at the desired brightness level while achieving high efficiency and low power consumption. The AP3039AMTR-G1 can also be used to provide a steady and bright illumination for injection-molded active-matrix organic light-emitting diode (AMOLED) displays.

The AP3039AMTR-G1 is a highly integrated device that features a high-side current sense amplifier, two low-side buck regulators, a programmable low-ripple current source, dynamic headroom control, and adjustable brightness control. The device can be used to control the peak and average current of a multiplexed LED string or a single LED. The device also utilizes a dynamic headroom control circuitry to reduce LED stress levels and extend LED lifetime. The device is also capable of providing a wide range of LED brightness in both the low and mid-power range.

The AP3039AMTR-G1 also has a built-in safety feature that allows the device to automatically shut down in case of an over-current condition. This ensures that the device is protected from potential damage caused by excessive current. The device is also designed with an integrated temperature monitor that automatically shuts down the device in case of an overtemperature condition. This ensures that the device is protected from potential damage caused by excessive heat.

In addition to the safety features, the AP3039AMTR-G1 also incorporates software and hardware features to further enhance its functionality. The software features include programmable over-current and overtemperature protection, diagnostics, and PWM dimming control. The hardware features include on/off control, low-side PWM dimming, or direct high-side PWM dimming control. All of these features make the AP3039AMTR-G1 an easy and reliable device for LED lighting applications.

The AP3039AMTR-G1 is designed to operate over an extended input voltage range of 1.8V to 6.0V. It provides an adjustable output current range of -20mA to +20mA, which can be controlled using the integrated digital dimming feature. The device also provides an adjustable signal-to-noise ratio feature that allows precise adjustment of the dimming signal. The device can also detect and respond to short-term current overload events with minimal dimming artifacts.

To sum up, the AP3039AMTR-G1 is a highly integrated DC-DC converter specifically designed for ultra-low power LED lighting applications. It provides efficient, reliable, and low-cost illumination control for a wide range of LED lighting applications. The device is suitable for the high-side current sense applications and can be used in conjunction with dynamic headroom control circuitry to reduce LED stress levels, extend LED lifetime and power consumption. The AP3039AMTR-G1 also provides integrated temperature monitoring, overtemperature and over-current protection, as well as adjustable signal-to-noise ratio and over-current protection. The device is a cost-effective solution for embedded LED lighting applications.

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