AL9901EV2

The AL9901EV2 is an evaluation board intended for use with the Allegro MicroSystems AL9901 and AL9902 high-power multi-channel LED drivers. This board is designed to facilitate the evaluation of the AL9901/AL9902 in application development. The AL9901EV2 also provides information to assist engineers in the development and implementation of designs involving the AL9901 and/or AL9902. In this article, we will explore the application field and working principle of the AL9901EV2.

Application Field

The AL9901EV2 is used to evaluate the performance of Allegro’s high-power multi-channel LED drivers. The board supports up to two AL9901 or AL9902 devices, allowing evaluation of multiple LED drivers and/or displays in a single board. The board’s design makes it ideally suited for driving high-brightness LEDs used in automotive, industrial and commercial lighting applications. The AL9901EV2 is also designed to evaluate higher-current LED drivers in a thermally efficient design. The board features highly efficient thermal management designed to evaluate current up to 4A in each LED output channel. The board can be powered either directly from the vehicle battery or from an external power source.

Working Principle

The AL9901EV2 evaluation board is designed to facilitate the evaluation of the AL9901 and AL9902 LED driver ICs. The board is designed to allow the user to evaluate multiple LED drivers, or even multiple displays, on a single board. The board also provides insight into the performance of the LED driver ICs, allowing engineers to develop new applications and designs with more confidence.The board uses a multitude of components to evaluate the performance of the LED driver ICs. The programmable ICs used on the board receive inputs from control inputs and regulate the LED outputs accordingly. Current-sense circuitry is used to monitor the outputs, and can provide additional protection for the LED drivers. The board also includes thermal sensors, ensuring adequate temperature control for the LED drivers and helping to prevent any potential damage to the LED chips themselves.Finally, the board includes a wide range of analog, digital and protective interfaces to facilitate evaluation of the AL9901 and AL9902 devices. The board can be powered either directly from a vehicle battery or from an external power source. In addition, the board has a power control circuit to ensure the correct current levels are maintained throughout the operation of the board.

Conclusion

The AL9901EV2 evaluation board is a powerful tool for evaluating Allegro’s high-power multi-channel LED drivers. The board is designed to facilitate the evaluation of multiple LED drivers or displays on a single board, allowing engineers to test their designs and applications with ease. The board also provides a thermally efficient design, ensuring adequate temperature control and helping to protect the LED drivers and LED chips. Finally, the board has a multitude of analog, digital and protective interfaces, as well as a power control circuit, to ensure correct operation throughout its use.

AL9901EV2	Diodes Incor...	46.2 $	5	EVAL BOARD FOR AL9901AL99...
AL9901EV1	Diodes Incor...	46.2 $	3	EVAL BOARD FOR AL9901AL99...
AL9910EV4	Diodes Incor...	41.58 $	1000	EVAL BOARD T8 LED DVR 180...
AL9910EV5	Diodes Incor...	41.58 $	1000	EVAL BOARD T8 LED DVR 240...
AL9910EV6	Diodes Incor...	41.58 $	1000	110V ISOLATED LED DRIV ER...
AL9910AEV1	Diodes Incor...	38.12 $	1	EVAL BOARD FOR AL9910AAL9...
AL9910AEV2	Diodes Incor...	39.14 $	2	EVAL BOARD FOR AL9910AAL9...
AL9910A-5SP-13	Diodes Incor...	0.58 $	5000	IC LED DRIVER OFFLINE DIM...
AL9910-5S-13	Diodes Incor...	--	2500	IC LED DRIVER OFFLINE DIM...
AL9901FDF-13	Diodes Incor...	0.43 $	18000	IC LED DRIVER OFFLINE U-D...
AL9902FDF-13	Diodes Incor...	0.48 $	1000	IC LED OFFLINE DRIVER 12U...
AL9901S16-13	Diodes Incor...	0.43 $	1000	IC LED DRIVER OFFLINE SO1...
AL9902S16-13	Diodes Incor...	0.48 $	1000	IC LED OFFLINE DRIVER 16S...
AL9910ASP-13	Diodes Incor...	--	1000	IC LED DRIVER OFFLINE DIM...
AL9910A-5S-13	Diodes Incor...	--	1000	IC LED DRIVER OFFLINE DIM...
AL9910S-13	Diodes Incor...	--	1000	IC LED DRIVER OFFLINE DIM...
AL9910AS-13	Diodes Incor...	--	17500	IC LED DRIVER OFFLINE DIM...
AL9910SP-13	Diodes Incor...	--	2500	IC LED DRIVER OFFLINE DIM...
AL9910-5SP-13	Diodes Incor...	--	7500	IC LED DRIVER OFFLINE DIM...