ADUM4222ARWZ-RL7 - 4A Isolated Half-Bridge Gate Driver | Analog Devices
N.º de pieza: ADUM4222ARWZ-RL7 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $4.5 | $4,50 |
| 10 | $4.05 | $40,50 |
| 100 | $3.6 | $360,00 |
| 500 | $3.24 | $1.620,00 |
| 1.000 | $2.88 | $2.880,00 |
ADUM4222ARWZ-RL7 Descripción general
An isolated gate driver is a specialized integrated circuit that provides the necessary voltage and current to switch power transistors while maintaining galvanic isolation between the control side and the power stage. This isolation is critical for safety and noise immunity in applications such as motor drives, switch-mode power supplies, and inverters. The ADUM4222ARWZ-RL7 integrates the isolation barrier and driver circuitry in a single package, simplifying design and improving reliability compared to discrete optocoupler-based solutions.
Key features include 4 A peak output current, 5000 Vrms isolation voltage, and a wide supply voltage range. The device supports high-side and low-side outputs with independent inputs, enabling flexible control of half-bridge topologies. It also features a high common-mode transient immunity (CMTI) of 100 kV/µs, ensuring reliable operation in noisy environments. The propagation delay is typically 60 ns, and the device operates over a temperature range of -40°C to +125°C.
The ADUM4222ARWZ-RL7 uses Analog Devices' iCoupler technology, which combines high-speed CMOS and monolithic air core transformer technology. This architecture provides superior performance compared to optocouplers, including higher data rates, lower power consumption, and better timing accuracy. The device is available in a 16-lead SOIC package, making it suitable for space-constrained designs.
Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation. The device is also suitable for automotive applications, with automotive-grade variants available. When designing with this device, ensure proper PCB layout to minimize parasitic inductance and maintain isolation creepage distances.
Alternativas directas para ADUM4222ARWZ-RL7 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ADUM4222ARWZ-RL7 (mismo factor de forma y huella) — difiere en Package, Propagation Delay, Technology, Isolation Voltage, Common-Mode Transient Immunity (CMTI).
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ADUM4223ARWZ-RL7
✅ Sustitución directa✓ En stock
$3.1 / unidad
Ver hoja de datos →ADUM4223ARWZ
✅ Sustitución directa✓ En stock
$3.1 / unidad
Ver hoja de datos →ADUM3223ARWZ-RL7
✅ Sustitución directa✓ En stock
$2.19 / unidad
Ver hoja de datos →ADUM3223ARWZ
✅ Sustitución directa✓ En stock
$2.19 / unidad
Ver hoja de datos →ADUM4223CRWZ-RL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
UCC21520DW
⚡ Mismo encapsulado ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ADUM4222ARWZ-RL7 Valores máximos y características eléctricas
| Output Current (Peak) | 4 A |
| Isolation Voltage | 5000 Vrms |
| Number of Channels | 2 |
| High-Side/Low-Side | Independent |
| Propagation Delay | 60 ns (typical) |
| Common-Mode Transient Immunity (CMTI) | 100 kV/µs |
| Supply Voltage (VDD1) | 3.0 V to 5.5 V |
| Supply Voltage (VDD2) | 4.5 V to 18 V |
| Temperatura de funcionamiento | -40°C to +125°C |
| Encapsulado | 16-Lead SOIC (RW-16) |
| Tipo de montaje | Surface Mount |
| Technology | iCoupler |
| Estado RoHS | Compliant |
Configuración de pines de ADUM4222ARWZ-RL7
| Pin 1 | VDD1 — Primary supply voltage (3.0 V to 5.5 V) |
| Pin 2 | GND1 — Primary ground |
| Pin 3 | VIA — Input for high-side driver |
| Pin 4 | VIB — Input for low-side driver |
| Pin 5 | GND1 — Primary ground |
| Pin 6 | NC — No connect |
| Pin 7 | NC — No connect |
| Pin 8 | NC — No connect |
| Pin 9 | VDD2 — Secondary supply voltage (4.5 V to 18 V) |
| Pin 10 | VOA — High-side output |
| Pin 11 | GND2 — Secondary ground |
| Pin 12 | VOB — Low-side output |
| Pin 13 | GND2 — Secondary ground |
| Pin 14 | NC — No connect |
| Pin 15 | NC — No connect |
| Pin 16 | NC — No connect |
Aplicaciones típicas
ADUM4222ARWZ-RL7 es adecuado para 6 aplicacións: Isolated Switch-Mode Power Supplies, Motor Drives, Solar Inverters, Industrial Automation, Electric Vehicle Chargers, Medical Power Supplies.
Isolated Switch-Mode Power Supplies
The ADUM4222ARWZ-RL7 provides 4 A peak gate drive with 5000 Vrms isolation, enabling efficient driving of power MOSFETs in isolated SMPS topologies. Its fast 60 ns propagation delay and 100 kV/µs CMTI ensure reliable switching in high-frequency converters, reducing switching losses and improving efficiency. The independent high-side and low-side outputs simplify half-bridge designs, while the wide VDD2 range (4.5 V to 18 V) accommodates various gate drive voltages.
Recomendado
Motor Drives
In motor drive applications, the ADUM4222ARWZ-RL7 drives the high-side and low-side MOSFETs of an inverter stage with 4 A peak current, ensuring fast switching and minimal dead time. The 5000 Vrms isolation protects the microcontroller from high-voltage transients, while the 100 kV/µs CMTI prevents false triggering in noisy industrial environments. The device's wide temperature range (-40°C to +125°C) suits demanding motor control cabinets.
Recomendado
Solar Inverters
The ADUM4222ARWZ-RL7 is ideal for solar inverter applications, where galvanic isolation between the DC-DC converter and the grid-tied inverter is essential. Its 4 A gate drive capability efficiently switches IGBTs in high-power stages, while the 5000 Vrms isolation ensures safety compliance. The fast propagation delay and high CMTI enable precise PWM control, maximizing energy harvest and reducing harmonic distortion.
Recomendado
Industrial Automation
In industrial automation, the ADUM4222ARWZ-RL7 provides reliable gate driving for motor controllers and power supplies in factory equipment. The high isolation voltage and CMTI ensure robust operation in electrically noisy environments, while the 4 A output current drives large power devices. The device's small SOIC package saves PCB space, and its wide temperature range supports operation in unheated factory floors.
Recomendado
Electric Vehicle Chargers
The ADUM4222ARWZ-RL7 is suitable for on-board chargers and DC-DC converters in electric vehicles, where isolation and high-temperature operation are critical. Its 5000 Vrms isolation meets safety standards, while the 4 A gate drive ensures efficient switching of SiC and GaN power devices. The device's fast propagation delay and high CMTI support high-frequency operation, reducing the size of magnetic components.
Recomendado
Medical Power Supplies
In medical power supplies, the ADUM4222ARWZ-RL7 provides the necessary isolation and drive capability for safe patient isolation. The 5000 Vrms isolation ensures compliance with medical safety standards, while the 4 A output current drives power switches in high-efficiency converters. The device's low propagation delay and high CMTI contribute to stable operation in sensitive medical equipment.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ADUM4222ARWZ-RL7 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ADUM4223ARWZ-RL7 | ADUM3223ARWZ-RL7 | UCC21520DW |
|---|---|---|---|---|
| Package | 16-Lead SOIC (RW-16) | 16-Lead SOIC (RW-16) | 16-Lead SOIC (RW-16) | 16-Lead SOIC (DW) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Output Current (Peak) | 4 A | 4 A | 2 A | 4 A |
| Isolation Voltage | 5000 Vrms | 5000 Vrms | 5000 Vrms | 5000 Vrms |
| Propagation Delay | 60 ns | 60 ns | 60 ns | 19 ns |
| CMTI | 100 kV/µs | 100 kV/µs | 100 kV/µs | 100 V/ns |
| Input Configuration | Two independent inputs | Single input with enable | Two independent inputs | Two independent inputs |
| Supply Voltage (VDD2) | 4.5 V to 18 V | 4.5 V to 18 V | 4.5 V to 18 V | 6 V to 25 V |
Diferenciadores clave
- Higher output current than ADUM3223 (frente a ADUM3223ARWZ-RL7)
- Two independent inputs (frente a ADUM4223ARWZ-RL7)
- Faster propagation delay than UCC21520 (frente a UCC21520DW)
Notas de diseño
For optimal performance, place the ADUM4222ARWZ-RL7 close to the power switches to minimize gate loop inductance. Use separate ground planes for primary and secondary sides, and maintain proper creepage distances for 5000 Vrms isolation. Refer to the datasheet layout guidelines for recommended PCB stack-up.
Ensure adequate decoupling on VDD1 and VDD2 with low-ESR ceramic capacitors (e.g., 0.1 µF and 10 µF) placed close to the pins. The 4 A peak output current can cause supply droop; a bulk capacitor on VDD2 is recommended to maintain gate drive voltage during switching.
The ADUM4222ARWZ-RL7 dissipates power proportional to switching frequency and gate charge. For high-frequency operation, calculate power dissipation and ensure the SOIC package has adequate copper area for heat sinking. The device's thermal resistance is not specified in the provided data; refer to the datasheet for thermal metrics.
Información de cumplimiento
RoHS compliant per Analog Devices product page. Automotive-grade variants may have different compliance.
