ADUM3224ARWZ - 4A Isolated Half-Bridge Driver | Analog Devices
N.º da peça: ADUM3224ARWZ ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $3.5 | $3,50 |
| 10 | $3.15 | $31,50 |
| 100 | $2.8 | $280,00 |
| 500 | $2.5 | $1.250,00 |
| 1.000 | $2.2 | $2.200,00 |
ADUM3224ARWZ Visão geral
An isolated gate driver is a device that transfers switching signals across an isolation barrier, typically using capacitive or magnetic coupling, to control power transistors such as MOSFETs and IGBTs. It ensures that the high-voltage power stage is electrically isolated from the low-voltage control circuitry, protecting sensitive logic and enabling safe operation in noisy environments. The ADUM3224 belongs to the family of isolated gate drivers, which are essential components in power conversion systems like motor drives, inverters, and switch-mode power supplies.
Key features of the ADUM3224ARWZ include a 4 A peak output current, which provides fast and robust gate charging for large power switches, and a wide supply voltage range of 4.5 V to 18 V for the output stage. The device also features a propagation delay of 48 ns (typical) and a minimum pulse width of 50 ns, enabling high-frequency switching. Its 3000 V rms isolation rating ensures reliable operation in high-voltage applications, and it is AEC-Q100 qualified for automotive use.
Technically, the ADUM3224 uses Analog Devices' iCoupler technology, which integrates micro-transformers to achieve isolation, offering superior performance compared to optocouplers in terms of speed, reliability, and power consumption. The driver supports a wide operating temperature range of -40°C to +125°C, making it suitable for harsh environments. Its CMOS inputs are compatible with standard logic levels, simplifying interface design.
Typical applications include isolated switch-mode power supplies, motor control inverters, and automotive systems such as electric vehicle (EV) traction inverters and on-board chargers. The ADUM3224ARWZ is also used in industrial automation and renewable energy systems where robust isolation and high current drive are critical.
When designing with this device, ensure proper PCB layout to minimize parasitic inductance in the gate drive loop, and place decoupling capacitors close to the VDD and VDDA pins. The input side operates from a 3.0 V to 5.5 V supply, while the output side can be powered from 4.5 V to 18 V, allowing flexible interface with various controllers and power stages.
Alternativas drop-in para ADUM3224ARWZ — 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 ADUM3224ARWZ (mesmo formato e footprint) — diferindo em Package, Propagation Delay, Isolation Voltage, Technology, Number of Channels.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ADUM3224WARZ
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ADUM3223ARZ
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ADUM3221ARZ
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.52 / unidade
Ver ficha técnica →Si8233BB-D-IS1
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
UCC21520DW
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ADUM3224ARWZ Classificações máximas e características elétricas
| Isolation Voltage | 3000 V rms |
| Peak Output Current | 4 A |
| Output Supply Voltage (VDDA/VDDB) | 4.5 V to 18 V |
| Input Supply Voltage (VDD1) | 3.0 V to 5.5 V |
| Propagation Delay | 48 ns (typical) |
| Minimum Pulse Width | 50 ns |
| Faixa de temperatura de operação | -40°C to +125°C |
| Encapsulamento | 16-lead SOIC (narrow body) |
| Number of Channels | 2 (high-side and low-side) |
| Tipo de saída | Half-bridge driver |
| Input Logic Compatibility | CMOS |
| AEC-Q100 Qualified | Yes (automotive grade) |
| RoHS Compliant | Yes |
| Tipo de montagem | Surface Mount |
| Technology | iCoupler |
Configuração de pinos do ADUM3224ARWZ
| Pino 1 | VDD1 — Input supply voltage (3.0 V to 5.5 V) |
| Pino 2 | GND1 — Input ground |
| Pino 3 | VIA — Input signal for channel A |
| Pino 4 | VIB — Input signal for channel B |
| Pino 5 | GND1 — Input ground |
| Pino 6 | NC — No connect |
| Pino 7 | NC — No connect |
| Pino 8 | NC — No connect |
| Pino 9 | VDDA — Output supply voltage for channel A (4.5 V to 18 V) |
| Pino 10 | VOA — Output for channel A |
| Pino 11 | GNDA — Output ground for channel A |
| Pino 12 | GNDA — Output ground for channel A |
| Pino 13 | GNDB — Output ground for channel B |
| Pino 14 | VOB — Output for channel B |
| Pino 15 | VDDB — Output supply voltage for channel B (4.5 V to 18 V) |
| Pino 16 | NC — No connect |
Aplicações típicas
ADUM3224ARWZ é adequado para 6 aplicaçãos: Isolated Switch-Mode Power Supplies, Motor Control Inverters, Automotive Traction Inverters, Industrial Automation, Renewable Energy Inverters, Battery Chargers.
Isolated Switch-Mode Power Supplies
The ADUM3224ARWZ drives the primary-side MOSFETs in isolated SMPS designs, providing 4 A peak gate current for fast switching and 3000 V rms isolation between the control and power stages. Its 48 ns propagation delay minimizes switching losses, and the wide output supply range (4.5 V to 18 V) accommodates various gate drive voltages. The device's high common-mode transient immunity (CMTI) ensures reliable operation in noisy power environments, making it ideal for AC-DC converters and DC-DC modules.
Recomendado
Motor Control Inverters
In motor drives, the ADUM3224ARWZ provides isolated gate drive for the high-side and low-side IGBTs or MOSFETs in the inverter bridge. Its 4 A peak output ensures rapid gate charging, reducing switching losses and enabling high PWM frequencies. The 3000 V rms isolation protects the microcontroller from the high-voltage DC bus, and the AEC-Q100 qualification makes it suitable for automotive traction inverters. The device's wide operating temperature range (-40°C to +125°C) supports harsh industrial environments.
Recomendado
Automotive Traction Inverters
The ADUM3224ARWZ is AEC-Q100 qualified, making it suitable for automotive traction inverters in electric vehicles. It provides 4 A peak gate drive for the IGBTs in the inverter, ensuring efficient power conversion. The 3000 V rms isolation isolates the low-voltage control circuitry from the high-voltage battery pack, enhancing safety. Its fast propagation delay (48 ns) and high CMTI enable reliable operation in the noisy automotive environment, and the wide temperature range supports under-hood conditions.
Recomendado
Industrial Automation
In industrial automation, the ADUM3224ARWZ is used in variable frequency drives (VFDs) and servo drives to provide isolated gate drive for power switches. Its 4 A output current and 48 ns propagation delay enable high-frequency PWM control, improving motor efficiency. The 3000 V rms isolation protects PLCs and control systems from high-voltage transients, and the device's robust design ensures long-term reliability in factory environments. The wide supply voltage range allows flexible integration with various gate drive circuits.
Recomendado
Renewable Energy Inverters
The ADUM3224ARWZ is well-suited for solar and wind power inverters, where it drives the IGBTs in the DC-AC conversion stage. Its 4 A peak output ensures efficient gate charging, reducing switching losses and improving inverter efficiency. The 3000 V rms isolation provides safety isolation between the PV array or wind turbine and the grid, and the wide operating temperature range supports outdoor installations. The device's high CMTI ensures reliable operation in the presence of high dV/dt transients common in power inverters.
Recomendado
Battery Chargers
In battery charging systems, the ADUM3224ARWZ provides isolated gate drive for the power stage of the charger. Its 4 A peak output current enables fast switching of the MOSFETs, improving charging efficiency. The 3000 V rms isolation isolates the battery pack from the AC mains, enhancing safety. The device's wide output supply range (4.5 V to 18 V) accommodates different gate drive voltages, and its AEC-Q100 qualification makes it suitable for automotive battery chargers in electric vehicles.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ADUM3224ARWZ — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ADUM3224WARZ | ADUM3223ARZ | Si8233BB-D-IS1 | UCC21520DW |
|---|---|---|---|---|---|
| Package | 16-lead SOIC (narrow body) | 16-lead SOIC (narrow body) | 16-lead SOIC (narrow body) | 16-lead SOIC (narrow body) | 16-lead SOIC (narrow body) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Silicon Labs | Texas Instruments |
| Isolation Voltage | 3000 V rms | 3000 V rms | 3000 V rms | 2500 V rms | 5700 V rms |
| Peak Output Current | 4 A | 4 A | 2 A | 4 A | 4 A |
| Propagation Delay | 48 ns (typ) | 48 ns (typ) | 48 ns (typ) | 60 ns (typ) | 30 ns (typ) |
| Output Supply Voltage | 4.5 V to 18 V | 4.5 V to 18 V | 4.5 V to 18 V | 6.5 V to 24 V | 9.2 V to 25 V |
| AEC-Q100 Qualified | Yes | Yes | No | No | No |
Principais diferenciais
- Automotive-grade option available (vs ADUM3223ARZ)
- Higher output current than ADUM3223 (vs ADUM3223ARZ)
- Faster propagation delay than Si8233 (vs Si8233BB-D-IS1)
Notas de projeto
For optimal performance, place the ADUM3224ARWZ close to the power switches to minimize gate drive loop inductance. Use separate ground planes for the input and output sides, and connect them only at the isolation barrier. Place 0.1 uF decoupling capacitors close to VDD1, VDDA, and VDDB pins to ensure stable supply voltages.
The ADUM3224ARWZ dissipates power primarily during switching. At 4 A peak output and high switching frequencies, ensure adequate PCB copper area for heat dissipation. The junction-to-ambient thermal resistance (theta_JA) is approximately 100°C/W; keep the junction temperature below 150°C by providing sufficient thermal vias and copper pour.
Do not exceed the absolute maximum ratings for VDD1 (6 V) and VDDA/VDDB (20 V). Ensure the input signals have fast rise/fall times to avoid excessive propagation delay. Also, avoid floating the input pins; tie unused inputs to GND1. Refer to the datasheet for proper power-up sequencing to prevent latch-up.
Informações de conformidade
AEC-Q100 qualified per datasheet. RoHS compliant per Analog Devices product page.
