STMicroelectronics Launches 3A Single-Chip Buck DC/DC Converter for Home and Industrial Appliances
STMicroelectronics has announced the DCP3603, a 3A single-chip step-down DC/DC converter designed for home appliances and industrial equipment. It offers high efficiency, a small footprint (3x1.6mm), and supports input voltages from 3.3V to 36V. The device is currently in mass production, priced at approximately $0.44 in 1,000-piece quantities.
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- 📰 Published: March 26, 2026 at 22:55
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STMicroelectronics (NYSE: STM) has introduced the DCP3603, a monolithic step-down DC/DC converter with a 3A output capacity in a compact 3 x 1.6mm footprint. It simplifies design, reduces board space, shortens development time, and improves system reliability. Supporting a wide input voltage range of 3.3V to 36V, it is suitable for smart meters, home appliances, and 24V industrial systems. The device achieves 93% efficiency at a 600mA load and is available in two modes: forced PWM and pulse-skipping. The evaluation board STEVAL-3603BC1 is also available. It is currently in mass production, with unit prices around $0.44 for 1,000 units.
FAQ
What is the application of the DCP3603?
It is mainly intended for smart meters, home appliances, and 24V industrial systems.
Is there an evaluation board?
Yes, a dedicated evaluation board, 'STEVAL-3603BC1', is available.