AL8807BQMP-13

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AL8807BQMP-13 is an LED driver integrated circuit made by Arrow Electronics supporting up to 13 channels of LED control and dimming. This device is broadly categorized as a PMIC - LED Driver, which allows for direct connectivity between the system power source and a single LED, or a series of LEDs, with consequent reduction in cost and complexity and improved efficiency.

The AL8807BQMP-13 is used in applications where LED dimming is required, such as in automotive lighting, LED backlighting, LED signage, and so on. The device also supports multiple LED array configurations, including single strings, parallel strings, and dual strings.

The AL8807BQMP-13 is a regulated current and linear current source featuring built-in diagnostic functions for temperature and open loop detection. The power management IC’s operation is based on pulse width modulation (PWM) and linear current regulation, which safely and accurately regulate the string current as LEDs age. The PWM outputs are driven with a frequency of up to 20 kHz, allowing for seamless fading effects. Furthermore, the device offers both TXD and SDA data interfaces, allowing for direct connection and communication to a host processor or controller.

The power management IC supports autonomous thermal protection with a build-in NTC which can be used to prevent any potential over-temperature issues by shutting off the output current when a certain temperature threshold is crossed. Additionally, the device supports output open/short circuit/overcurrent detection, providing protection for LED failure, thereby preventing potential risk and damage for the LED string.

The LED driver IC is designed with 1MHz switching frequency and allows for automatic burst and linear current dimming. The IC has built in direct PWM frequency modulation (FRM) feature, where the modulation frequency can be adjusted in the range of 1-20kHz with the help of external components. This feature allows the user to control dimming with external FRM. Furthermore, the DCM allows for high accuracy in terms of dimming resolution, while allowing the maximum system efficiency.

The AL8807BQMP-13 is a versatile, highly integrated LED driver IC that provides low cost and reduced complexity, while also supporting LED over-temperature and open/short mode to ensure protection against LED failures. With the IC’s support for both TXD and SDA data interfaces, direct access and communication to a host processor or controller is made possible for more efficient LED dimming effects.The specific data is subject to PDF, and the above content is for reference