DC1319B-A

Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Current - Output / Channel:	500mA
Moisture Sensitivity Level (MSL):	--
Outputs and Type:	1, Non-Isolated
Voltage - Output:	80V
Features:	Dimmable
Voltage - Input:	8 V ~ 80 V
Supplied Contents:	Board(s)
Utilized IC / Part:	LT3756-2
Base Part Number:	LT3756

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Introduction
DC1319B-A is a evaluation board of LED drivers which was developed by Texas Instruments. It is specialized in driving high power LED with great efficiency, while managing current and/or temperature. This board is based on the TPS92661 ‘High Brightness LED (HBLED) Driver with 0.25V High Voltage Reference, Analogue Input and Multi-Mode LED Control’, which is a part of the LMH family of LED drivers from TI.
Applications
DC1319B-A can be applied in various applications. For instance, in industrial lighting, the board can target general lighting, office lighting and task lighting with its high performance of PWM control. DC1319B-A is also useful in automotive lighting, such as headlight and taillight applications as it supports analogue input and high precision dimming. Other than this, the board is suitable for uses in biomedical, retail and hospitality systems.
Features
DC1319B-A comes with a series of features which makes it unparalleled in driving high power LED. It has an ‘analogue dimming control with a programmable soft start’, which enables a TCUP-free start and great dimming control with an extremely low power dissipation, making the board a great solution to replace existing dimming solutions. Other than that, the board has a ‘precise, single ADC measurement’, which makes it suitable for use in medical and industrial applications with two-wire communications and analogue international safety systems. These features are also applicable for general lighting systems and automotive illumination control systems.Working Principle
The working principle of the DC1319B-A is based on the TPS92661 from the LMH family of LED drivers from TI. It is a high precision, single-channel LED driver with an internal PWM generator and voltage reference. The chip has an extremely low quiescent current of only 0.1µA and a wide range of analog and digital dimming control options. The evaluation board allows testing of the LED driver’s features in actual LED applications and can be easily programmed with the right parameters for each LED application.Setup
The setup of the DC1319B-A evaluation board is quite straight-forward. Firstly, the external control supply voltage of the device should be determined, then the external supplies should be connected. The appropriate input control device, such as a potentiometer, should be connected and a LED load should be connected to the driver output. The next step is to choose the appropriate circuit settings, such as the LED dimming rate, supply voltage and LED current. Finally, the LED can be tested and the results can be recorded. Conclusion
DC1319B-A evaluation board provides a great solution for driving high power LED with great efficiency, current and temperature management. The board is especially useful for uses in industrial lighting, medical, automotive, retail and hospitality systems. The easy setup and features such as analogue dimming control, precise ADC measurement and single wire communications allows DC1319B-A to be a great alternative to existing dimming solutions.

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