MSLB9061FD

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The MSLB9061FD is an evaluation board fromTexas Instruments (TI)’s C2000 family. It is part of TI’s DRV8xxx series of LED driver integrated circuits (ICs) and is used to evaluate and develop lighting solutions for applications such as automotive headlamps and commercial lighting. The evaluation board supports 60 and 120V operations, and contains an embedded microcontroller or MCU (MSP430F5332) with key components to perform the task of controlling and driving the LEDs. In this article, we will discuss the application field and working principle of the MSLB9061FD evaluation board.

Application Field

The MSLB9061FD evaluation board is designed for evaluating and developing lighting solutions for automotive and commercial lighting applications. It includes a controller and a bridge driver to drive LEDs with up to 60V or 120V power converters. The board is used to directly drive HTSSOP packaged LEDs in automotive headlamps to reduce the complexity of the lighting design. For example, it can be used for a three-channel dimming system for automotive headlamps, using Pulse Width Modulation (PWM) for each color channel. It also can be used for commercial lighting applications, such as LED strip lighting and LED parking lot lights.

Working Principle

The MSLB9061FD evaluation board is based on the DRV8xxx series of LED driver ICs. It consists of a primary MSP430F5332 MCU, an LED controller, a bridge driver, and an LED driver power stage. The MCU provides system control and communications, and implements system-level control algorithms such as PWM dimming, as well as monitoring system status. The LED controller provides a dimming current to the LED driver power stage, while the bridge driver provides a voltage that is converted to a galvanically isolated current to drive the LED array. Finally, the LED driver power stage controls the LED array current and voltage.

The MSLB9061FD evaluation board supports LED current levels up to 20A, and Voltage levels up to 60V. The board has three external connectors for connecting to the LED load, which allows for easy monitoring of the LED current in a three-channel system. It also incorporates a temperature sensor to monitor temperature and ensure the system is operating within safe limits. The MCU is programmed with the TI BOOSTXL™ IDE, which includes various software libraries for developing and debugging firmware code.

In summary, the MSLB9061FD evaluation board from Texas Instruments is used mainly for evaluating and developing lighting solutions for automotive and commercial lighting applications. The board uses a MSP430F5332 MCU, an LED controller, a bridge driver, and an LED driver power stage to provide a full range of power conversion capabilities. The board also supports external LEDs and is programmed with the TI BOOSTXL™ IDE. It is part of TI’s DRV8xxx series of LED driver ICs and is an ideal solution for reducing the complexity of automotive and commercial lighting designs.

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