VIPERGAN50 - 50W GaN Power Stage | STMicroelectronics
N.º da peça: VIPERGAN50 ✓ Ativo| Qtd. | Preço unitário | 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 Visão geral
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.
Alternativas drop-in para VIPERGAN50 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com VIPERGAN50 (mesmo formato e footprint) — diferindo em Package, Technology.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
VIPERGAN50TR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
VIPERGAN100
⚡ Mesmo encapsulamento ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
NV6115
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
NV6117
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
VIPERGAN50 Classificações máximas e características elétricas
| Technology | GaN (Gallium Nitride) |
| Drain-Source Voltage (VDS) | 650 V |
| On-Resistance (RDS(on)) | 150 mΩ |
| Maximum Output Power | 50 W |
| Frequência de comutação | Up to 1 MHz |
| Gate Driver | Integrated |
| Encapsulamento | QFN 5x6 mm |
| Temperatura de junção de operação | -40°C to +150°C |
| Proteção contra sobrecorrente | Yes |
| Overtemperature Protection | Yes |
| Under-Voltage Lockout (UVLO) | Yes |
| RoHS | Compliant |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 |
| Lead-Free | Yes |
Configuração de pinos do VIPERGAN50
| Pino 1 | DRAIN — Drain connection of the GaN HEMT |
| Pino 2 | SOURCE — Source connection of the GaN HEMT |
| Pino 3 | GATE — Gate drive input |
| Pino 4 | VCC — Supply voltage for the gate driver |
| Pino 5 | GND — Ground |
| Pino 6 | PAD — Exposed pad for thermal dissipation |
Aplicações típicas
VIPERGAN50 é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para VIPERGAN50 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Integrated gate driver simplifies design (vs NV6115)
- Higher power rating than NV6115 (vs NV6115)
- Wider operating temperature range (vs NV6115)
Notas de projeto
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.
Informações de conformidade
RoHS compliant per STMicroelectronics product page. Other compliance data not available in provided data.
