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Texas Instruments LMG3622 | Demoboard TIDA-050074
140-W GaN-based USB PD3.1 USB-C® adapter reference design
Overview
| Topology | Power Factor Correction |
| Input voltage | 90-265 V |
| Output 1 | 20 V / 5 A |
| Output 2 | 9 V / 3 A |
| Output 3 | 15 V / 5 A |
| Output 4 | 5 V / 3 A |
| Output 5 | 28 V / 5 A |
| IC revision | A |
Description
This reference design is a gallium nitride (GaN) based, 140W AC-DC power with high effciency and power density. It supports wide input (90VAC to 264VAC) and output (5V to 28V) voltages. It is designed for the application, such as the adaptor design for USB PD3.1 and the charger for power tools.
Features
- Wide output power range from 5V to 28V for USB PD3.1 application
- PFC is designed by TI 120mΩ single GaN with driver integrated and UCC28056 transition mode (TM) PFC controller
- AHB is designed by TI half bridge GaN as 170mΩ/248mΩ GaN device with driver, level shift and bootstrap diode integrated
94% efficiency at 115VAC input and >95.5% efficiency at 230VAC input
- High power density design: 27.33W/in³ with the PCB size: 50mm × 73mm × 23mm
Typical applications
- Mobile wall charger design, Merchant battery charger
- Notebook PC power adapter design, Other AC/DC adapters and PSU
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTX2 Film Capacitors, Across the mains, 68 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance68 nF | Safety ClassX2 | Rate of Voltage Rise400 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch7.5 mm | PackagingBulk | – | – | – | Rated Voltage275 V (AC) | – | – | Length10 mm | Width6 mm | Height12 mm | MountBoxed THT | ||||
| WCAP-FTX2 Film Capacitors, Across the mains, 22 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance22 nF | Safety ClassX2 | Rate of Voltage Rise400 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch10 mm | PackagingBulk | – | – | – | Rated Voltage275 V (AC) | – | – | Length13 mm | Width4.5 mm | Height9.5 mm | MountBoxed THT | ||||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | – | Rated Current2 A | Inductance1 mH | DC Resistance45 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length15 mm | Width7.8 mm | Height18 mm | MountTHT | ||||
 | WE-FI Leaded Toroidal Line Choke, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-FI Leaded Toroidal Line Choke | – | – | – | – | – | – | – | Rated Current2.8 A | Inductance0.068 mH | DC Resistance55 mΩ | – | – | – | Length14 mm | Width8.7 mm | – | MountTHT |