Automotive LED controller advances front lighting applications, promises Maxim
The MAX20078 synchronous buck, high-brightness light emitting diode (LED) controller is the only controller available which provides both fast response time and low electromagnetic interference (EMI) for exterior LED lighting and improved safety applications, claims Maxim Integrated. It eliminates the conventional trade-off between a fast response time and low EMI for exterior lighting and safety applications, adds the company.
Suitable for advanced lighting applications, the MAX20078 LED controller provides fast response times, enabling smoother transient responses in advanced lighting applications such as matrix lighting, LED drivers and controllers. All of these have challenges when switching LEDs at high speeds which can cause overshoots and undershoots in current. These applications require numerous LEDs located in a densely-concentrated area. EMI can be especially difficult to eliminate, advises Maxim Integrated. Automotive makers spend time, money, and effort trying to achieve low EMI as they experiment with different layouts and filtering methods.
The MAX20078 provides fast response times and also eliminates the need for external compensation components, says Maxim. It also offers a wide dimming ratio and features both integrated fault protection and monitoring circuitry. The MAX20078 allows for fast LED switching and low EMI so that designers no longer need to sacrifice one for the other. Together with simplified design and flexible switching frequencies, the MAX20078 allow designers to achieve faster time-to-market.
An evaluation kit, the MAX20078EVKIT is also offered by Maxim Integrated.
Maxim Integrated develops analogue and mixed-signal products and technologies to make systems smaller and smarter, with enhanced security and increased energy efficiency. It serves automotive, industrial, healthcare, mobile consumer, and cloud data centre customers.
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