VIPERGAN50 - 50W GaN Power Stage | STMicroelectronics
Référence : VIPERGAN50 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 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 |
VIPERGAN50 Présentation
A GaN power stage is a type of power semiconductor module that combines a Gallium Nitride high-electron-mobility transistor (HEMT) with driving and protection circuitry. GaN technology offers lower gate charge and output capacitance compared to silicon MOSFETs, allowing faster switching transitions and reduced switching losses. In the hierarchy of power management, a GaN power stage falls under power switches, which are essential components in switching power converters like flyback, boost, and LLC topologies.
Key features of the VIPERGAN50 include a 650V drain-source voltage rating, a typical on-resistance of 150 mΩ, and a maximum output power of 50W in a flyback topology. The integrated driver simplifies PCB layout and reduces component count, while built-in overcurrent, overtemperature, and undervoltage lockout protections enhance system reliability. The device operates over a junction temperature range of -40°C to +150°C, making it suitable for demanding environments.
The VIPERGAN50 leverages STMicroelectronics' proprietary GaN technology, which provides a figure of merit (RDS(on) × Qg) significantly lower than silicon super-junction MOSFETs. This results in higher efficiency at light loads and reduced heat sink requirements. The device's fast switching capability enables smaller magnetic components, contributing to overall system miniaturization.
Typical applications include USB Power Delivery (USB-PD) chargers, AC-DC adapters, and open-frame power supplies for consumer and industrial electronics. The high switching frequency and efficiency make it ideal for designs where space and thermal management are critical.
When designing with the VIPERGAN50, ensure proper PCB layout with short, low-inductance paths for the gate drive loop and power loop. Adequate thermal vias under the exposed pad are essential to dissipate heat effectively. The device's integrated protections reduce external component count, but careful attention to the bootstrap capacitor and dead-time settings is recommended for optimal performance.
Alternatives de remplacement direct pour VIPERGAN50 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec VIPERGAN50 (même facteur de forme et même empreinte) — différant par Package, Technology.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
VIPERGAN50TR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
VIPERGAN100
⚡ Même boîtier ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
NV6115
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
NV6117
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
VIPERGAN50 Valeurs maximales et caractéristiques électriques
| Technology | GaN (Gallium Nitride) |
| Drain-Source Voltage (VDS) | 650 V |
| On-Resistance (RDS(on)) | 150 mΩ |
| Maximum Output Power | 50 W |
| Fréquence de commutation | Up to 1 MHz |
| Gate Driver | Integrated |
| Boîtier | QFN 5x6 mm |
| Température de jonction en fonctionnement | -40°C to +150°C |
| Protection contre les surintensités | Yes |
| Overtemperature Protection | Yes |
| Under-Voltage Lockout (UVLO) | Yes |
| RoHS | Compliant |
| Type de montage | Surface Mount |
| Niveau MSL | 3 |
| Lead-Free | Yes |
Configuration des broches de VIPERGAN50
| Broche 1 | DRAIN — Drain connection of the GaN HEMT |
| Broche 2 | SOURCE — Source connection of the GaN HEMT |
| Broche 3 | GATE — Gate drive input |
| Broche 4 | VCC — Supply voltage for the gate driver |
| Broche 5 | GND — Ground |
| Broche 6 | PAD — Exposed pad for thermal dissipation |
Applications typiques
VIPERGAN50 convient pour 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour VIPERGAN50 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 mΩ | 150 mΩ | 75 mΩ | 120 mΩ |
| 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 | -40°C to +150°C | -40°C to +150°C | -40°C to +150°C | -40°C to +125°C |
Principaux différenciateurs
- Integrated gate driver simplifies design (vs NV6115)
- Higher power rating than NV6115 (vs NV6115)
- Wider operating temperature range (vs NV6115)
Notes de conception
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.
Informations de conformité
RoHS compliant per STMicroelectronics product page. Other compliance data not available in provided data.
