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STMicroelectronics' DCP0606Y automotive-grade step-down converter enables designers to develop compact and highly energy-efficient step-down power supplies that can provide a maximum output current of up to 6A at a minimum voltage of 0.6V.

These converters can drive the digital core power of telematics systems, head-up displays, infotainment systems, multimedia systems and cameras. And equipment systems such as ADAS power supplies that require high-current and low-voltage back-end voltage stabilization. The accompanying evaluation board STEVAL-0606YADJ is now available, which can simplify the development entry process and accelerate the development speed.

The DCP0606Y integrates high and low side MOSFET switch tubes, gate drivers, control logic circuits, protection circuits and soft start circuits within a 3mm x 2mm package, completing the entire power supply design with only a few external components. The switching frequency can be set using only one resistor, which can be set to 1.8MHz, 2.25MHz, 3.5MHz or 4MHz, thus allowing the use of smaller capacitors and inductors. The internal frequency jitter function can reduce EMI peaks. The low-power and low-noise modes of the DCP0606Y can be selected using external pins to further optimize the power supply performance. In addition, it is also equipped with a good power indicator pin, an enable pin and a soft start pin, which are used as inputs for output voltage tracking and sequencing.

The average energy efficiency of the power supply based on DCP0606Y is relatively high, reaching 93% at full load current. The DCP0606Y also utilizes pulse jump operation to maximize light-load energy efficiency, with A quiescent current of only 10µ A. Therefore, it can save electricity under all operating conditions.

The operating voltage of DCP0606Y is 3.3V or 5V, and the output voltage can be set from 0.6V to the input voltage VIN. In addition, STMicroelectronics also provides products with fixed output voltages of 1.0V, 1.2V, 1.8V, 3.0V or 3.3V as per customer requirements. In addition, the output discharge circuit is optional. All components are equipped with overvoltage, overcurrent and overheat protection functions, and have an automatic recovery function. These devices comply with the AEC-Q100 Grade 1 standard and operate within a temperature range of -40°C to 150°C.

Products visit https://www.st.com/dcp0606y for details.

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