The TDK Group has recently introduced the new BCEM series of EPCOS high-current chokes, specifically designed for buck-boost converters in automotive 48 V power systems. These advanced SMD inductors utilize an ERU27 ferrite core combined with a flat winding design, allowing them to maintain a remarkably compact size of just 27.5 mm x 29.5 mm x 14.5 mm. With inductance values ranging from 3 μH to 11 μH and saturation currents reaching up to 50 A, these components are ideal for high-power applications. They operate efficiently within a wide temperature range of -40°C to +150°C and are suitable for switching frequencies between 100 kHz and 200 kHz. Additionally, they comply with RoHS standards and meet the rigorous AEC-Q200 quality certification requirements.
These new chokes are commonly used as storage inductors in buck-boost converters for both 12 V and 48 V power supplies. By employing a six- or eight-phase interleaved converter configuration, ripple current is significantly reduced, enabling higher power output. Since each converter stage requires a storage choke, the BCEM series offers a clear advantage due to its small size and high current handling capability.
**Key Applications**
· Boost converter for buck configurations in 48 V automotive power systems
**Main Advantages and Features**
· High saturation current: Up to 50 A
· Compact design: 27.5 mm x 29.5 mm x 14.5 mm
· Environmentally friendly: RoHS compliant
· Automotive-grade reliability: AEC-Q200 certified
Whether you're working on next-generation vehicle electronics or high-efficiency power systems, the BCEM series provides a reliable and space-saving solution that meets the demands of modern automotive applications.
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