CAT4201AEVB

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The CAT4201AEVB Evaluation Board is a universal LED driver circuit designed to drive multiple light-emitting diodes (LEDs). It is designed to operate with both AC and DC voltage inputs and provides a versatile solution for efficient power conversion. The board has a wide range of applications in sign and display lighting installations.

CAT4201AEVB Features

• Wide input voltage range of 9V-135V
• High power efficiency
• Flexible control options
• Low EMI and interference emission
• Shutdown and dimming modes

Application fields and working principle

The CAT4201AEVB evaluation board is suitable for both indoor and outdoor lighting and signage applications. It is capable of supplying up to 10W of power, making it a good solution for powering multiple LEDs in various types of installations. The evaluation board features a wide array of control options and flexible dimming sequences that can be configured through an on-board SPI interface.

The CAT4201AEVB evaluation board is based on the CAT4201A LED driver IC. This driver IC is composed of a number of key components, such as an input stage, control logic, power MOSFETs, and a low temperature coefficient current sense resistor. The board has an internal inverse rectifier which helps drive multiple LED strings in series. The input stage helps provide a clean DC voltage input and limit any potential EMI/RFI interference.

The control logic provides flexibility and is used to control the dimming, shutdown mode, and brightness levels of the LEDs. The power MOSFETs are used to efficiently transfer power to the LEDs, while the low temperature coefficient current sense resistor helps measure the current of the LEDs for current control.

The CAT4201AEVB evaluation board also integrates additional protective features. It is designed with short circuit and over-temperature protection to prevent potential damage to the LEDs in case of an unexpected fault or error. The evaluation board is designed to provide a simple, easy to use solution for powering two string of LEDs.

Conclusion

The CAT4201AEVB Evaluation Board is a convenient and reliable LED power solution that provides high efficiency and flexibility. It can be used for both indoor and outdoor lighting applications and is equipped with protection features for reliable operation. The board is easy to use and configure and provides a great solution for driving multiple LED strings.

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