ADUM4222ARWZ - 4A Isolated Half-Bridge Gate Driver | Analog Devices
N.º de pieza: ADUM4222ARWZ ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $4.85 | $4,85 |
| 10 | $4.36 | $43,60 |
| 100 | $3.88 | $388,00 |
| 500 | $3.49 | $1.745,00 |
| 1.000 | $3.1 | $3.100,00 |
ADUM4222ARWZ Descripción general
An isolated gate driver is a specialized IC that transmits control signals across an isolation barrier to drive power transistors in half-bridge or full-bridge configurations. It combines galvanic isolation with high-current drive capability, enabling safe and efficient control of high-voltage power stages. In the hierarchy of power management, it sits between the controller and the power switches, providing level shifting, isolation, and current amplification.
Key features include 4 A peak output current, 5000 V rms isolation, 100 kV/us common-mode transient immunity, and a wide operating temperature range. The device supports both high-side and low-side outputs with independent inputs, allowing flexible control of half-bridge topologies. Its propagation delay is typically 50 ns, enabling high-frequency switching.
The ADUM4222ARWZ uses Analog Devices' iCoupler technology, which integrates micro-transformers and CMOS circuitry to achieve isolation without optocouplers. This results in superior timing accuracy, lower power consumption, and higher reliability compared to traditional isolation methods. The wide-body SOIC package provides excellent creepage and clearance for high-voltage applications.
Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation. The device's high output current and fast switching make it ideal for driving large IGBTs and MOSFETs in power conversion systems.
When designing with this device, ensure proper PCB layout to minimize parasitic inductance and maintain isolation spacing. Use appropriate gate resistors to control switching speed and reduce EMI.
Alternativas directas para ADUM4222ARWZ — 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 (mismo factor de forma y huella) — difiere en Package, Isolation Voltage, Technology, Propagation Delay, Number of Channels.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ADUM4223ARWZ
✅ Sustitución directa✓ En stock
$3.1 / unidad
Ver hoja de datos →ADUM3223ARWZ
✅ Sustitución directa✓ En stock
$2.19 / unidad
Ver hoja de datos →ADUM3224ARWZ
✅ Sustitución directa✓ En stock
$2.2 / unidad
Ver hoja de datos →ADUM4223BRWZ
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ISO5852S
⚡ Mismo encapsulado ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
UCC21520
⚡ Mismo encapsulado ⚠️ Especificaciones sin verificar✓ En stock
$1.55 / unidad
Ver hoja de datos →ADUM4222ARWZ Valores máximos y características eléctricas
| Output Current (Peak) | 4 A |
| Isolation Voltage | 5000 V rms |
| Number of Channels | 2 |
| High-Side/Low-Side | Independent |
| Propagation Delay | 50 ns (typical) |
| Common-Mode Transient Immunity | 100 kV/us |
| Supply Voltage (VDD1) | 3.0 V to 5.5 V |
| Supply Voltage (VDD2) | 4.5 V to 18 V |
| Temperatura de funcionamiento | -40C to +125C |
| Encapsulado | 16-SOIC (wide body) |
| Tipo de montaje | Surface Mount |
| Technology | iCoupler (magnetic coupling) |
| Estado RoHS | Compliant |
| Nivel MSL | 1 |
| Input Type | CMOS |
Configuración de pines de ADUM4222ARWZ
| Pin 1 | VDD1 — Primary supply voltage (3.0-5.5V) |
| 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 | VOA — High-side output |
| Pin 10 | VOB — Low-side output |
| Pin 11 | VDD2 — Secondary supply voltage (4.5-18V) |
| Pin 12 | GND2 — Secondary ground |
| Pin 13 | NC — No connect |
| Pin 14 | NC — No connect |
| Pin 15 | NC — No connect |
| Pin 16 | GND2 — Secondary ground |
Aplicaciones típicas
ADUM4222ARWZ es adecuado para 6 aplicacións: Isolated Switch-Mode Power Supplies, Motor Drives, Solar Inverters, Industrial Automation, Electric Vehicle Chargers, Uninterruptible Power Supplies (UPS).
Isolated Switch-Mode Power Supplies
The ADUM4222ARWZ provides isolated gate drive for MOSFETs in SMPS topologies, enabling high-frequency switching with 4 A peak current and 50 ns propagation delay. Its 5000 V rms isolation ensures safe separation between primary and secondary sides, while the high common-mode transient immunity prevents false triggering during fast voltage transitions. This makes it ideal for flyback, forward, and half-bridge converters where clean, isolated drive signals are critical for efficiency and reliability.
Recomendado
Motor Drives
In motor drive applications, the ADUM4222ARWZ drives the high-side and low-side IGBTs or MOSFETs in a half-bridge configuration. Its 4 A peak output current ensures fast charging of gate capacitances, reducing switching losses. The 5000 V rms isolation protects low-voltage control circuitry from high-voltage bus transients, while the 100 kV/us CMTI ensures reliable operation in noisy industrial environments. This makes it suitable for brushless DC motors, servo drives, and variable frequency drives.
Recomendado
Solar Inverters
The ADUM4222ARWZ is well-suited for solar inverter applications, where it drives the power switches in the DC-AC conversion stage. Its high isolation voltage (5000 V rms) provides the necessary galvanic isolation between the PV panel side and the grid side, enhancing safety. The 4 A peak output current and fast propagation delay enable efficient switching at high frequencies, improving inverter efficiency. The wide operating temperature range (-40C to +125C) ensures reliable operation in outdoor environments.
Recomendado
Industrial Automation
In industrial automation, the ADUM4222ARWZ provides isolated gate drive for power stages in PLCs, robotics, and factory equipment. Its robust isolation and high CMTI ensure reliable operation in electrically noisy environments. The 4 A output current can drive a wide range of power switches, while the 16-SOIC package is compact for space-constrained designs. The device's high reliability and long lifespan make it suitable for 24/7 industrial operation.
Recomendado
Electric Vehicle Chargers
The ADUM4222ARWZ is used in electric vehicle (EV) chargers to drive the power switches in the AC-DC and DC-DC conversion stages. Its 5000 V rms isolation meets the stringent safety requirements for automotive applications, while the 4 A peak output current ensures efficient switching of high-power IGBTs and MOSFETs. The wide supply voltage range and fast propagation delay support high-frequency operation, reducing the size of magnetic components. This makes it ideal for onboard chargers and off-board charging stations.
Recomendado
Uninterruptible Power Supplies (UPS)
In UPS systems, the ADUM4222ARWZ drives the power switches in the inverter stage, providing isolated gate drive for reliable AC output. Its high isolation voltage ensures safety between the battery and output, while the 4 A peak output current enables efficient switching of high-power devices. The fast propagation delay and high CMTI ensure stable operation during load transients. This makes it suitable for online and line-interactive UPS systems.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ADUM4222ARWZ — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ADUM4223ARWZ | ADUM3223ARWZ | ADUM3224ARWZ | ADUM4223BRWZ | ISO5852S | UCC21520 |
|---|---|---|---|---|---|---|---|
| Package | 16-SOIC (wide body) | 16-SOIC (wide body) | 16-SOIC (wide body) | 16-SOIC (wide body) | 16-SOIC (wide body) | 16-SOIC (wide body) | 16-SOIC (wide body) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Texas Instruments |
| Peak Output Current | 4 A | 4 A | 4 A | 4 A | 4 A | 4 A | 4 A |
| Isolation Voltage | 5000 V rms | 5000 V rms | 3000 V rms | 5000 V rms | 5000 V rms | 5700 V rms | 5700 V rms |
| Propagation Delay | 50 ns | 50 ns | 50 ns | 50 ns | 50 ns | 76 ns | 30 ns |
| Common-Mode Transient Immunity | 100 kV/us | 100 kV/us | 100 kV/us | 100 kV/us | 100 kV/us | 100 kV/us | 100 kV/us |
| Input Configuration | Two isolated inputs | One input + enable | Two isolated inputs | Two inputs + enable | One input + enable | One input + enable | Two isolated inputs |
| Price (1pc) | $4.85 | $4.85 | $4.20 | $5.10 | $5.50 | $3.50 | $2.80 |
Diferenciadores clave
- Two isolated inputs provide flexible control (frente a ADUM4223ARWZ)
- Higher isolation than ADUM3223 (frente a ADUM3223ARWZ)
- Same package as TI alternatives but different pinout (frente a ISO5852S)
Notas de diseño
For optimal performance, place the ADUM4222ARWZ close to the power switches to minimize gate loop inductance. Use separate ground planes for primary and secondary sides, and maintain proper creepage and clearance distances for the 5000 V rms isolation rating. Refer to the datasheet layout guidelines for recommended PCB patterns.
Ensure the secondary supply (VDD2) is adequately decoupled with a 1 uF ceramic capacitor placed close to the VDD2 and GND2 pins. The primary supply (VDD1) should also be decoupled with a 0.1 uF capacitor. This helps maintain stable operation and reduces noise coupling.
Do not exceed the absolute maximum ratings for VDD1 (6V) and VDD2 (20V). Also, ensure that the input signals (VIA, VIB) are within the specified input voltage range. Incorrect logic levels can cause malfunction or damage. Always verify the input configuration matches your control signals.
Información de cumplimiento
RoHS compliant per Analog Devices datasheet. Not AEC-Q100 qualified; for automotive, consider ADUM4223BRWZ or other automotive-grade variants.
