600-V Superjunction MOSFET Targets EVs, SMPS, and Solar Inverters

Why It Matters

Higher efficiency and power density at 600 V reduce system cost and energy loss in high‑power applications, accelerating EV and renewable‑energy adoption. Competitive pricing and early production availability give OEMs a timely solution for next‑generation power electronics.

Key Takeaways

• 600V MOSFET built on AOS MOS E2 platform.
• 37 mΩ RDS(on) enables high efficiency in SMPS.
• Robust body diode reduces reverse recovery losses.
• 16‑week lead time, $5.58 per 1k units.
• Targets EVs, solar inverters, data‑center power supplies.

Pulse Analysis

Superjunction MOSFETs have reshaped high‑voltage power electronics by stacking alternating p‑ and n‑type regions, dramatically lowering on‑resistance while maintaining voltage rating. AOS’s MOS E2 platform leverages this architecture to push performance at 600 V, a sweet spot for automotive chargers, server power supplies, and grid‑connected inverters. The new AOTL037V60DE2 exemplifies how refined silicon engineering can deliver sub‑40 mΩ RDS(on) values, directly translating into reduced conduction losses and smaller heat‑sink footprints, which are critical for compact, high‑density designs.

For electric‑vehicle powertrains and solar‑inverter modules, efficiency gains of even a few percentage points can yield substantial energy savings over a product’s lifecycle. The device’s robust intrinsic body diode with lowered reverse‑recovery charge mitigates stress during hard‑commutation events, enhancing reliability in harsh operating conditions. Coupled with strong inrush current handling and wide safe operating area, designers can simplify gate‑drive circuitry and adopt soft‑switching topologies like PFC and PSFB without sacrificing performance, ultimately lowering bill‑of‑materials and improving overall system robustness.

Pricing at $5.58 per thousand units and a 16‑week production lead place the AOTL037V60DE2 competitively against legacy silicon and emerging SiC alternatives. While silicon‑carbide devices promise even lower losses, their higher cost and limited availability keep silicon solutions relevant for volume markets. AOS’s early‑stage production run signals confidence in supply chain readiness, offering OEMs a reliable source as demand for high‑efficiency converters surges. Continued advancements in the MOS E2 platform could further narrow the gap between silicon and wide‑bandgap technologies, shaping the next wave of power‑electronics innovation.