EPC‘s New EPC9165 Bidirectional Converter that Delivers 2kW with 96.8% Peak Efficiency
The EPC9165 is a two-phase, regulated output voltage, 48V – 14V Bidirectional Converter that delivers 2kW with 96.8% peak efficiency
EL SEGUNDO, Calif.— February 2022 — EPC announces the availability of the EPC9165, a 2 kW, two-phase 48 V – 14 V bidirectional converter that operates with 97 % peak efficiency in a small footprint. This solution is ideal for high-density and high-power 48V battery packs such as those required for eMobility and light mobility.
The solution is scalable; two converters can be paralleled for 4 kW, three converters for 6 kW or only one phase can be used for 1 kW. In this application, the output voltage is 14V; however, since the topology is a hard-switching buck converter, the output voltage can easily be adjusted for voltages between 12 V and 36 V.
The EPC9165 reference design features the EPC2302 GaN FET, which uses EPC’s latest generation 100 V GaN technology. The EPC2302 delivers 101 A continuous current and 390 A pulsed current. The thermally enhanced QFN package with an exposed top improves the thermal dissipation to the heatsink. It delivers 0.2 degC/W thermal resistance to the heatsink, and wettable flanks simplify assembly inspection and improve robustness for thermal cycles. The EPC2302 GaN FET offers a super small typical RDS(on), of just 1.4 mOhm typical and 1.8 mOhm maximum, together with very small QG of 23 nC typical, QGD of 2.3 nC typical, QOSS of 85 nC typical, and zero QRR for low conduction and switching losses.
The EPC9165 reference design features the new MPS MPQ1918 100 V automotive half-bridge driver developed specifically for use with GaN FETs. The MPQ1918 is available in a small 3x3mm FCQFN package with wettable flanks to enable optical inspection. The device has a peak source current of 1.6A with a 0.2Ω / 1.2Ω pull-down/pull-up resistance to enable usage of high power FETs with faster switching edges to maximize efficiency and increase power density. Compared to other automotive half-bridge GaN drivers, this device provides higher efficiency, improves EMI, and is very cost effective.
“GaN FETs and ICs provide the fast switching, small size, and high efficiency needed to further reduce the size and weight of 48 V to 12 V/14 V converters,” said Alex Lidow, CEO of EPC. “. By utilizing the MPS 100 V automotive gate driver and EPC’s first packaged device, the EPC2302, the EPC9165 reference design showcases a solution that increases efficiency, increases power density, and simplifies design; in space and weight critical designs like eMobility.”
“The new MPS MPQ1918 is designed to fully utilize the high performance of GaN FETs to maximize efficiency and power density for high power solutions. As EPC is one of the key players providing power eGaN FET’s, we are glad to collaborate to bring this solution to market to improve efficiency and reduce solution size in bidirectional converters” said Maurice Sciammas, VP of Sales & Marketing at MPS.
About EPC
EPC is the leader in enhancement-mode gallium nitride-based power management devices. EPC was the first to introduce enhancement-mode gallium-nitride-on-silicon (eGaN) FETs as power MOSFET replacements in applications such as DC-DC converters, wireless power transfer, envelope tracking, automotive, power inverters, remote imaging and sensing technology (Lidar), and Class-D audio amplifiers with device performance many times greater than the best silicon power MOSFETs. EPC also has a growing portfolio of eGaN-based integrated circuits that provide even greater space, energy, and cost efficiency.
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本文由江枫转载自EPC，原文标题为:EPC Collaborates with MPS to Develop a 2 kW, 48 V/14 V, Regulated Output Voltage, DC-DC Reference Design Board，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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