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Texas Instruments LMG3622 | Demoboard LMG3622EVM-082
LMG3622 evaluation module for 65-W quasi-resonant flyback converter with USB Type-C® PD
Overview
| Topology | Flyback Converter |
| Input voltage | 90-265 V |
| Switching frequency | 180 kHz |
| Output 1 | 15 V / 3 A |
| Output 2 | 20 V / 3.25 A |
| Output 3 | 9 V / 3 A |
| Output 4 | 5 V / 3 A |
| IC revision | A |
Description
LMG3622EVM-082 demonstrates high efficiency and high density for a 65-W USB Type-C® Power Delivery (PD) off-line adapter using the LMG3622 integrated GaN FET with current sense emulation. The input supports a universal 90 VAC to 265 VAC and the single output can be set to 5 V, 9 V and 15 V all at 3-A max and 20 V at 3.25-A max, which can be adjusted with the USB PD interface controller. High-frequency operation up to 200-kHz nominal enables small solution size while the multi-mode operation maintains high efficiency. Synchronous rectification is used on the output to increase efficiency.
Features
- 93-94% Efficiency under full-load operation under entire input voltage range
- 28W/in3 Power density enabled by 180-kHz maximum switching frequency
- Current sense emulation greatly reduces power losses associated with traditional current sensing circuitry
- Integration of GaN, driver, OCP, and OTP simplifies design, reduces BOM count, and increases system robustness
- USB-C output enables full system-level evaluation for end-equipments like adapters, notebook chargers, USB wall outlets
Typical applications
- High-density AC-to-DC converters / Adapters for notebook computers, tablet computers, TV, and set-top box, USB-C PD Power Adapters
- AC-to-DC or DC-to-DC auxiliary power supplies
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Pitch (mm) | Packaging | Tol. C | Size | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | ISAT (A) | RDC (mΩ) | fres (MHz) | Interface Type | Type | Gender | Pins (pcs) | IR (A) | Working Voltage (V (DC)) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890324023015 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTX2 Film Capacitors | Across the mains | 47 nF | X2 | 300 | 0.1 | 30 GΩ | 10 | Bulk | ±10% | Pitch 10 mm | -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 275 | – | – | 13 | 4.5 | 9.5 | Boxed THT | ||
 | 632723300011 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-COM USB 3.1 Type C Receptacle Horizontal THR / SMT | USB 3.1 | – | – | – | – | 1000 MΩ | – | Tape and Reel | – | – | -40 °C up to +105 °C | – | – | – | – | – | – | Type C | Horizontal | Receptacle | 24 | – | 20 | 5 | – | – | – | – | – | – | – | – | THR | |
 | 744821201 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 11 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | – | – | – | XS | -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | 4 | 2 | – | 2 | 1 | 45 | 250 | 1500 | MnZn | 15 | 7.8 | 18 | THT | ||
 | 74404064220 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LQS SMT Power Inductor | – | – | – | – | – | – | – | – | – | 6045 | -40 °C up to +125 °C | – | – | – | 2.5 | 89 | 15 | – | – | – | – | – | – | 2.1 | 0.022 | – | – | – | – | 6 | 6 | 4.5 | SMT | ||
 | 885012205061 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | 1 nF | – | – | – | 10 GΩ | – | 7" Tape & Reel | ±10% | 0402 | -55 °C up to +125 °C | 2.5 | X7R Class II | 0.25 | – | – | – | – | – | – | – | – | – | – | – | – | 50 | – | – | 1 | 0.5 | 0.5 | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890324023015 | SPEC | |
| 632723300011 | SPEC | – |
| 744821201 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 74404064220 | SPEC | |
| 885012205061 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Pitch (mm) | Packaging | Tol. C | Size | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | ISAT (A) | RDC (mΩ) | fres (MHz) | Interface Type | Type | Gender | Pins (pcs) | IR (A) | Working Voltage (V (DC)) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|
