TPS61040EVM-002

Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Current - Output / Channel:	20mA
Moisture Sensitivity Level (MSL):	--
Outputs and Type:	1, Non-Isolated
Voltage - Output:	--
Features:	Dimmable
Voltage - Input:	3 V ~ 4.2 V
Supplied Contents:	Board(s)
Utilized IC / Part:	TPS61040

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Introduction

The TPS61040EVM-002 Evaluation Board is a complete solution for LED driver applications. It uses the TPS61040 low quiescent current synchronous step-down converter with a 2.5A guaranteed peak current with an operating voltage range from 2.3V to 5.5V. This allows users to power a wide range of LED strings from single-string to multi-string series. The board is configured with a wide range of features and settings allowing for the user to adjust the LED current, turn on/off the IC, adjust over-voltage, under-voltage, and over-temperature protection, and adjust current setting. This board is a great solution for LED driver applications and can be used in both automotive and industrial applications.

Design

The board is designed with a 32-pin QFN package that provides user access to the TPS61040EVM-002. The board includes a USB interface which can be used to program and configure the settings as well as monitor the current and voltage readings. The PCB design allows for a wide range of tilt, wall-mount, and free-standing options. Additionally, the board has embedded protections for over-voltage, under-voltage, and over-temperature.

Control Method

The board is designed to be controlled via the TI LM339 dual-channel comparator. This control method allows for precise control of the output voltage. The TP61040EVM-002 also offers a range of current adjustment settings, ranging from 3A to 2.5A peak. This allows users to adjust the amount of current their applications require.

Working Principle

The TPS61040EVM-002 board utilizes a synchronous step-down converter which operates in a continuous conduction mode. This mode provides a predictable and stable output voltage, which is controlled by an internal voltage feedback loop. The TPS61040EVM-002 also provides users with an additional adjustable over-voltage and under-voltage protection, as well as an adjustable over-temperature protection.

Applications

The TPS61040EVM-002 makes a great evaluation board for LED applications. Its wide range of features, adjustability, and robust design make it the ideal choice for a wide range of applications, including automotive, industrial, and consumer electronics. This board is perfect for applications that require a wide range of LED strings and can be used to power both single and multi-string LED systems.

Conclusion

The TPS61040EVM-002 is an ideal evaluation board for LED driver applications. It offers a range of features and settings, providing users with the ability to precisely control their LED current and protect the system from over-voltage, under-voltage, and over-temperature events. This board is perfect for automotive, industrial, and consumer electronics applications.

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