VIPERGAN50 - 50W GaN Power Stage | STMicroelectronics
MPN: VIPERGAN50 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.5 | $3.50 |
| 10 | $3.15 | $31.50 |
| 100 | $2.8 | $280.00 |
| 500 | $2.52 | $1,260.00 |
| 1,000 | $2.24 | $2,240.00 |
Drop-in alternatives for VIPERGAN50 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
VIPERGAN50TR
β Drop-Inπ Reference alternative (not in catalog)
VIPERGAN100
β‘ Same Packageπ Reference alternative (not in catalog)
NV6115
β Drop-Inπ Reference alternative (not in catalog)
NV6117
β Drop-Inπ Reference alternative (not in catalog)
VIPERGAN50 Maximum Ratings & Electrical Characteristics
| Technology | GaN (Gallium Nitride) |
| Drain-Source Voltage (VDS) | 650 V |
| On-Resistance (RDS(on)) | 150 mΞ© |
| Maximum Output Power | 50 W |
| Switching Frequency | Up to 1 MHz |
| Gate Driver | Integrated |
| Package | QFN 5x6 mm |
| Operating Junction Temperature | -40Β°C to +150Β°C |
| Overcurrent Protection | Yes |
| Overtemperature Protection | Yes |
| Under-Voltage Lockout (UVLO) | Yes |
| RoHS | Compliant |
| Mounting Type | Surface Mount |
| MSL Level | 3 |
| Lead-Free | Yes |
VIPERGAN50 Pin Configuration
| Pin 1 | DRAIN β Drain connection of the GaN HEMT |
| Pin 2 | SOURCE β Source connection of the GaN HEMT |
| Pin 3 | GATE β Gate drive input |
| Pin 4 | VCC β Supply voltage for the gate driver |
| Pin 5 | GND β Ground |
| Pin 6 | PAD β Exposed pad for thermal dissipation |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
VIPERGAN50 is suitable for 6 applications: USB-PD Chargers, AC-DC Adapters, Open-Frame Power Supplies, LED Lighting Drivers, Server Power Supplies, Consumer Electronics.
USB-PD Chargers
The VIPERGAN50 is ideal for USB Power Delivery chargers, providing high efficiency and power density. Its 650V rating and 50W output capability make it suitable for 45W-65W USB-PD adapters. The integrated gate driver simplifies design, and the high switching frequency reduces transformer size, enabling compact charger designs. With overcurrent and overtemperature protection, it ensures reliable operation in consumer applications.
Recommended
AC-DC Adapters
For AC-DC adapters, the VIPERGAN50 offers high efficiency across a wide load range, reducing energy waste and heat generation. Its fast switching capability allows for smaller magnetic components, reducing the adapter's size and weight. The device's integrated protections enhance reliability, making it suitable for laptop adapters and other portable electronics. The wide junction temperature range ensures operation in various environmental conditions.
Recommended
Open-Frame Power Supplies
In open-frame power supplies for industrial and consumer applications, the VIPERGAN50 provides high power density and efficiency. Its 50W output is suitable for auxiliary power supplies in appliances, IoT devices, and industrial controls. The integrated driver reduces component count, simplifying PCB layout and improving reliability. The device's thermal performance, with an exposed pad, allows for effective heat dissipation in confined spaces.
Recommended
LED Lighting Drivers
The VIPERGAN50 can be used in LED lighting drivers, providing efficient power conversion for high-brightness LEDs. Its high switching frequency enables compact driver designs, and the 650V rating is suitable for offline applications. The device's protection features ensure safe operation under fault conditions. With high efficiency, it reduces thermal management requirements, extending LED lifespan.
Recommended
Server Power Supplies
In server power supplies, the VIPERGAN50 contributes to high efficiency and power density, meeting the demanding requirements of data centers. Its fast switching reduces losses, and the integrated driver simplifies design. The device's 50W rating is suitable for auxiliary power rails or as a building block in higher-power designs. The wide temperature range ensures reliable operation in server environments.
Recommended
Consumer Electronics
The VIPERGAN50 is suitable for various consumer electronics requiring efficient power conversion, such as smart home devices, gaming consoles, and audio equipment. Its compact package and high efficiency make it ideal for space-constrained designs. The integrated protections ensure safe operation, and the high switching frequency allows for small external components, reducing overall system cost.
Recommended
Recommended Products Summary
Engineering reference data for VIPERGAN50 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | VIPERGAN50TR | VIPERGAN100 | NV6115 |
|---|---|---|---|---|
| Package | QFN 5x6 mm | QFN 5x6 mm | QFN 5x6 mm | QFN 5x6 mm |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | Navitas Semiconductor |
| Output Power | 50 W | 50 W | 100 W | 65 W |
| Drain-Source Voltage | 650 V | 650 V | 650 V | 650 V |
| On-Resistance | 150 mΞ© | 150 mΞ© | 75 mΞ© | 120 mΞ© |
| Switching Frequency | Up to 1 MHz | Up to 1 MHz | Up to 1 MHz | Up to 2 MHz |
| Integrated Gate Driver | Yes | Yes | Yes | Yes |
| Operating Temperature | -40Β°C to +150Β°C | -40Β°C to +150Β°C | -40Β°C to +150Β°C | -40Β°C to +125Β°C |
Key Differentiators
- Integrated gate driver simplifies design (vs NV6115)
- Higher power rating than NV6115 (vs NV6115)
- Wider operating temperature range (vs NV6115)
Design Notes
For optimal performance, place the VIPERGAN50 close to the transformer and minimize the loop area of the power stage. Use short, wide traces for the drain and source connections to reduce parasitic inductance. Ensure the exposed pad is soldered to a large copper area with thermal vias to dissipate heat effectively.
The VIPERGAN50 can dissipate significant power at high loads. Calculate the junction temperature using the thermal resistance of the QFN package and ensure adequate cooling. For 50W output, a heatsink or forced airflow may be required in high-ambient-temperature environments.
Avoid exceeding the absolute maximum ratings, especially the drain-source voltage. Ensure proper dead-time control when using the device in half-bridge or LLC configurations to prevent shoot-through. Also, verify the bootstrap capacitor value for high-side driving to ensure reliable operation.
Compliance Information
RoHS compliant per STMicroelectronics product page. Other compliance data not available in provided data.
