ISL1904DEMO1Z

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ISL1904DEMO1Z is an evaluation board and LED driver IC developed by Renesas. It is well suited for use in applications ranging from automotive headlamps to LED street lights and exterior building lighting systems. The board contains a single-channel LED driver IC that is capable of controlling up to eight LEDs at up to 1.2MHz PWM frequency. The LED driver IC also features a simultaneous LED current control system, which can ensure that the LED brightness is kept constant across varying external conditions.

In addition to its LED driving capabilities, the ISL1904DEMO1Z offers additional features such as temperature protection, which prevents the LED driver IC from overloading itself in the event of extreme external temperatures. It also provides voltage monitoring, allowing the board to detect when the output voltage is higher than desired.

The ISL1904DEMO1Z also contains an onboard power supply, allowing it to be powered directly by an AC power supply. This makes it a versatile product, as it can be used in either AC or DC applications. Additionally, the board contains an integrated power supply bypass, allowing the user to bypass the onboard power supply if necessary.

The ISL1904DEMO1Z evaluation board is based on the RENESAS low-voltage LED driver IC, which is capable of driving up to eight LEDs at up to 1.2MHz PWM frequency. This allows for dynamic adjustability of the LED current and output power, making the board an ideal solution for applications such as the automotive, street lighting, and exterior building lighting industries.

The ISL1904DEMO1Z features an internal operating range of 3V to 52V, and a 6A maximum sink current. This makes it suitable for driving up to four strings of eight LEDs each with very high efficiency and a very low ripple current. Additionally, the board is designed for easy debugging and fine-tuning, with a wide range of test points available that make it possible to quickly and easily monitor the LED current and other signals within the device.

The ISL1904DEMO1Z LED driver IC also features a unique "channel-select" circuit, which is capable of driving multiple strings of LEDs at different PWM frequencies. This feature allows for greater versatility in LED lighting design, as designers can configure the number of channels and PWM frequency to meet the requirements of different lighting systems.

Overall, the ISL1904DEMO1Z evaluation board is an excellent option for both professional lighting designers and amateurs alike. The board features a great range of features, such as temperature protection, voltage monitoring, and a wide range of test points for easy debugging, which make it a great choice for applications ranging from automotive headlamps to LED street lights and exterior building lighting systems.

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