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For automotive applications, designing a DC/DC buck converter requires special consideration of the following conditions:due to the nearby car radio receiver’s stringent requirements regarding EMI/noise generation and the extremely broad operating temperature range.
Electronics that must function reliably in the harsh automotive environment necessitate careful design and frequently call for automotive-qualified parts.
The car battery voltage fluctuation must be taken into consideration when designing voltage regulators that need to step down an intermediate voltage from the supply.
All design aspects must take into account the entire operating temperature range, and temperature must be checked on all component parameters.
Because the car radio receiver is close by, any radiated switch-mode converter emissions must be minimized to avoid coupling switch noise to the car radio receiver.
The global automotive constant current buck regulator market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
A line of step-down, auto-grade, high current DC-DC buck converters from Dialog is now available. Two devices are currently part of the DA914X-A family. With a single channel and four phases, the DA9141-A can convert up to 40A of output current. With a capacity of up to 20 A, the DA9142-A functions as a single-channel, dual-phase buck converter
. All of the devices are suitable for a wide range of low power systems because they have input voltage ranges of 2.8 V to 5.5 V and output voltage ranges of 0.3 V to 1.3 V.
