PD-IM-7504B

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Evaluation and demonstration boards and kits are tools used to test the functionality, design, and performance of electronic components. The PD-IM-7504B is an evaluation board that supports wide frequency range current sensing and stimulus application. Designed to drive LED light sources, this evaluation board uses analog devices to monitor and analyze current, voltage, and power.

The board allows for low-footprint applications and includes various features, such as a low-cost differential amplifier that accepts wide current ranges and a high-gain LED dimmer detection range that is adjustable to accommodate different levels of input current. It also offers over-current protection and band-gap reference voltage generator functionality. Through its SMBus programmability, it can be used to optimize the power supply system where feedback control is required.

The board features a pair of Triac drivers including zero-crossing detection and deglitching. It also has PMOS and NMOS outputs, allowing it to be adapted to different types of circuit configurations. The system is able to achieve fast over-current protection with a single cycle measurement using a time-dependent comparator.

The board\'s control functions include a signal generator for compensating the low gain of the LED dimmer and a pulse width modulation (PWM) generation for switching current sensing. It also offers closed-loop over-current protection and adjustable current limiter functions. With adjustable voltage reference and hysteresis, it is an ideal solution for automotive and general lighting applications.

In addition to its sensing and stimulus functions, the PD-IM-7504B board offers integral temperature sensing and closed-loop temperature protection for over-temperature conditions. This is achieved through a digital temperature sensor with a 0.5°C resolution. The board also has an open-drain output and a voltage-controlled bias voltage for adjustable PWM control.

The PD-IM-7504B evaluation board supports a wide variety of LED applications. It features a better performance than other evaluation boards in its class in terms of size, cost, and switching loss. This evaluation board is an ideal choice for applications in automobiles, industrial lighting, commercial lighting, and other applications requiring precision current sensing and stimulus application.

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