TPS75105EVM-174

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TPS75105EVM-174 is an evaluation board (EB) used to test and measure the performance of high voltage LED drivers in Texas Instruments’ high voltage product portfolio. It includes a TPS75105EVM-174 product component and several other components built around the miniature TPS75105 device. It is an efficient, low-cost solution for evaluating the performance of high voltage LED drivers.

The EB is a small board with a single output that can provide up to 1A of current to drive one or more high voltage LED arrays. It is designed to be plug and play, allowing users to quickly and easily evaluate the performance of the TPS75105 device without having to spend time designing and building a full-scale driver circuit. The EB also gives users access to the product\'s flexible configurations that allow for the rapid prototyping of many different design variations.

The TPS75105EVM-174 EB is based on a pin-compatible surface mount TPS75105 device, which is capable of driving up to 8 high-voltage 16mm (and two 8mm) LEDs or two high-voltage strings of four 16mm LEDs, with several different combinations that the user can choose from. The TPS75105 device operates at a wide operating temperature range (from -40°C to +85°C) and is capable of achieving efficiencies up to 98%. It is also RoHS compliant and UL-recognized.

The TPS75105EVM-174 features features several different modes of operation, dependent on the I/O configuration chosen by the user. These modes include current sink mode, ground sink mode and dimming mode. In current sink mode, the TPS75105 device sinks current from one of the LEDs or LED arrays to the ground pin, regulating the output current accordingly. In ground sink mode, four or eight ground sink pins are available with reverse-polarity and current limiting protection. Finally, in dimming mode, the TPS75105EVM-174 can be used to adjust the brightness of the LEDs by either PWM or voltage input.

In addition to the TPS75105 device and the other components, the TPS75105EVM-174 includes several features that provide the user with greater flexibility in terms of operation. This includes various jumpers, slide switches and a serial interface. The jumpers allow for the selection of different current levels, dimming control operation and option for using either the power supply or external power. The slide switches provide the user with the ability to select between ground sink or current sink modes and to enable or disable the reverse-polarity protection. The serial interface allows for the user to communicate with the board’s microcontroller from a PC via a serial connection.

The TPS75105EVM-174 evaluation board is a valuable tool for evaluating the performance and versatility of Texas Instruments’ high voltage LED drivers in a very cost-effective and convenient package. It provides users with a quick and easy way to prototype their designs, as well as a wide range of flexible configuration options, allowing them to quickly and easily develop and test a variety of LED lighting applications.

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