IC manufacturers Texas Instruments

IC manufacturers (96)

Texas Instruments LMG3522 | Demoboard PMP23069

3.6-kW single-phase totem-pole bridgeless PFC reference design with a > 180-W/in³ power density

Overview

TopologyPower Factor Correction
Input voltage85-265 V
Output 15 V / 0.4 A
Output 2380 V / 4.74 A
Output 3380 V / 9.47 A

Description

This reference design is a GaN-based 3.6-kW single-phase continuous conduction mode (CCM) totem-pole power factor correction (PFC) converter targeting maximum power density. The power stage is followed by a baby boost converter, which helps to greatly reduce the size of the bulk capacitor. The LMG3522 top-side cooled GaN with integrated driver and protection enables higher efficiency and reduces power supply size and complexity. The F28004x or F28002x C2000 controller is used for all the advanced controls, including fast relay control, baby boost operation during AC drop-out event, reverse current flow protection and communication between PFC and house keeping controller. The PFC operates at a switching frequency of 65 kHz and achieves peak efficiency of 98.7%.

Features

  • 180W/in³ power density in an x-y dimension of less than 68-mm x 121-mm space and maximum height of 32 mm

  • Peak efficiency of 98.7%
  • Semiconductor relay increases power density and reliability
  • GaN optimized with driver integratio

Typical applications

  • Digital controlled industrial AC/DC, Network PSU with 48V output, Server PSU with 12V output & digital control (>1kW), Single digital controller with primary side control

More information

Products

Order Code Data­sheet Simu­lation Downloads Product seriesApplicationCVR
(V (AC))
Safety ClassdV/dt
(V/µs)
DF @ 1 kHz
(%)
RISOOperating TemperaturePitch
(mm)
L
(mm)
W
(mm)
H
(mm)
PackagingTol. CSizeOperating TemperatureDF
(%)
Ceramic TypeFl
(mm)
L
(µH)
IRP,40K
(A)
ISAT,30%
(A)
RDC typ.
(mΩ)
fres
(MHz)
V
(V)
MountVINVOut1
(V (DC))
IOut1
(A)
Type of Insulationfswitch
(kHz)
∫Udt
(Vµs)
NPRI : NSECVT
(V (AC))
Samples
890334026034CSSPEC
8 files WCAP-FTXX Film Capacitors Across the mains2.2 µF 310 X2 170 0.14.55 GΩ -40 °C up to +105 °C 22.5 26 15 25 Carton ±10% Pitch 22.5 mm -40 °C up to +105 °C Boxed THT
890334026030SPEC
8 files WCAP-FTXX Film Capacitors Across the mains1.5 µF 310 X2 140 0.16.67 GΩ -40 °C up to +105 °C 22.5 26 10 21 Bulk ±10% Pitch 22.5 mm -40 °C up to +105 °C Boxed THT
74438336022SPEC
9 files WE-MAPI SMT Power Inductor 3 3 2 3020 -40 °C up to +125 °C 2.2 3.6 5.55 67 42 80 SMT
885012206052SPEC
8 files WCAP-CSGP MLCCs 16 V(DC)1 µF 160.1 GΩ 1.6 0.8 0.8 7" Tape & Reel ±10% 0603 -55 °C up to +125 °C 10 X7R Class II 0.4
760390014SPEC
7 files WE-PPTI Push-Pull Transformers -40 °C up to +125 °C 6.73 10.2 4.19 Tape and Reel 1006 -40 °C up to +125 °C 475 SMT 5 V (DC) 5 0.6 Functional 300 - 620 11 1:1.3 2500
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesApplicationCVR
(V (AC))
Safety ClassdV/dt
(V/µs)
DF @ 1 kHz
(%)
RISOOperating TemperaturePitch
(mm)
L
(mm)
W
(mm)
H
(mm)
PackagingTol. CSizeOperating TemperatureDF
(%)
Ceramic TypeFl
(mm)
L
(µH)
IRP,40K
(A)
ISAT,30%
(A)
RDC typ.
(mΩ)
fres
(MHz)
V
(V)
MountVINVOut1
(V (DC))
IOut1
(A)
Type of Insulationfswitch
(kHz)
∫Udt
(Vµs)
NPRI : NSECVT
(V (AC))
Samples