Low EMI synchronous buck converters are for infotainment and ADAS
Automotive designers can lower EMI and increase efficiency with the pin-compatible MAX20073 and MAX20074 buck converters, says Maxim Integrated Products. The compact converters are claimed to offer the industry’s lowest EMI performance for low-voltage point-of-load (PoL) applications, and are suitable for automotive infotainment and advanced driver assistance systems (ADAS) applications.
As more automotive features are added in a vehicle design, the number of power rails also increase. Each individual power rail is powered from the car battery through a front-end buck converter and often require specific voltage regulation precision requirements. Designers are also required to meet stringent safety standards in the industry.
The MAX20073 and MAX20074 features higher efficiency than competitive devices, says Maxim Integrated and reduce interference that can impact the function of sub-systems in a small area size with low quiescent current. Combined with Maxim’s spread spectrum oscillator, sync in functionality, forced PWM, skip modes and current-mode architecture, the system quality and performance dramatically improves, reports Maxim, easing overall system designs. Additionally, backend PoL buck converters, such as the MAX20073 and MAX20074, send very specific voltages to the many power rails that come with adding advanced modern features. Its output voltage accuracy makes it suitable for applications that have tight processor and memory voltage requirements.
The ICs also adhere to tight safety standards, operate with low-input voltages across a wide range of temperatures, and minimise radio frequency interference (RFI) while exhibiting high accuracy, high efficiency, and high reliability.
The MAX20073 and MAX20074 operates over the -40 to +125 degree C ambient temperature range. Maxim also offers the MAX20073EVKIT# and MAX20074EVKIT# evaluation kits.
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