48 V DC-DC Power Conversion GaN EPC

More Efficient • Smaller • Lower Cost

Emerging computing applications demand more power in much smaller form factors. In addition to the expanding needs of the server market, some of the most challenging applications are multi-user gaming systems, autonomous cars, and artificial intelligence.

Additionally, automotive systems are moving from 12 V distribution systems to 48 V systems. This change is driven by the increase of power-hungry electronically-driven functions and the emergence of autonomous vehicles creating additional demands from systems such as lidar, radar, camera, and ultrasonic sensors upon the power distribution system.

These advanced applications are putting higher demands on the power converters, and silicon-based power conversion is not keeping pace.

The latest generation of 100 V GaN devices increase the efficiency, shrink the size, and reduce system cost for 48 V power conversion.

Application Brief – eGaN FETs and ICs for DC-DC Conversion

Application Brief – eGaN FETs and ICs for Automotive DC-DC Applications

Request eGaN® FETs and ICs for High Density Servers ebooklet

Compatible 48V Footprint
EPC2052 Footprint
EPC2045 Footprint
EPC2053 Footprint
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48 V Buck Converter Efficiency > 97%
48 V Buck Converter Efficiency > 97%

48 V = GaN: In all the topologies with 48 VIN, the highest efficiency comes with using GaN devices.

Part
Number
Configuration VDS Max
RDS(on)
(mΩ)
(VGS =
5 V)
QG
typ
(nC)
QGS
typ
(nC)
QGD
typ
(nC)
QOSS
typ
(nC)
Max.
Peak
Pulsed ID(A)
(25°C,
Tpulse = 300µs)
Package
(mm)
Half-Bridge
Development
Boards
48 V
Reference Design
How2AppNote
EPC2218 GaN FET
EPC2218 Single 100 3.2 10.5 3.2 1.5 46 231 LGA 3.5 x 1.95 EPC90123 EPC9153 250 W 48 V – 20 V Buck Converter
EPC2053 GaN FET
EPC2053 Single 100 3.8 12 4.1 1.5 45 246 BGA 3.5 x 2 EPC9093 EPC9148
EPC9143
300 W 48 V - 12 V, 9 V, 5 V Brick
48 V - 6 V, 900 W LLC
48 V - 12 V, 900 W LLC
EPC2204 GaN FET
EPC2204 Single 100 6 5.7 1.8 0.8 25 125 LGA 2.5 x 1.5 EPC9097
EPC2045 GaN FET
EPC2045 Single 100 7 5.9 1.9 0.8 25 130 BGA 2.5 x 1.5 EPC9078 EPC9141
48 V – 12 V, 10 A
Buck Converter
48 V - 12 V, 60 A
Multi-Phase
EPC9205 48 V to 5 - 12 V DC-DC
EPC2052 GaN FET
EPC2052 Single 100 13.5 3.6 1.5 0.5 13 74 BGA 1.5 x 1.5 EPC9092
EPC2051 GaN FET
EPC2051 Single 100 25 1.7 0.6 0.3 7.3 37 BGA 0.85 x 1.3 EPC9091
EPC2059 GaN FET
EPC2059 Single 170 9 5.7 1.3 0.9 35 102 BGA 2.8 x 1.4 EPC9098
EPC2207 GaN FET
EPC2207 Single 200 22 4.5 1.3 0.7 23 54 BGA 2.9 x 0.9 EPC90124
EPC2215 GaN FET
EPC2215 Single 200 8 13.6 3.3 2.1 69 162 BGA 4.6 x 1.6 EPC9099
48V size comparision

ePower™ Stage

Part
Number
Configuration Nominal
Logic Supply
Voltage (V)
Max.
Input Voltage
(V)
Typ.
RDS(on)
(mΩ)
Rated Output
Current
(A)
Features Fault Protection Max.
TJ
(°C)
Package
(mm)
Development
Board
EPC2152 GaN FET
EPC2152 Half-Bridge
ePower™ Stage
12 70 10 12.5 Level shifting,
Bootstrap circuits
UVLO 150 LGA 3.65 x 2.59 EPC90120

Application Notes and Design Resources

DC-DC Converter Handbook