ADUM4220ARWZ - 4A Isolated Half-Bridge Gate Driver | Analog Devices
N.º da peça: ADUM4220ARWZ ✓ Ativo| Qtd. | Preço unitário | 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 |
ADUM4220ARWZ Visão geral
Isolated gate drivers are essential components in power electronics that provide galvanic isolation between the low-voltage control circuitry and the high-voltage power stage. They ensure safe and reliable switching of power transistors by transmitting gate drive signals across an isolation barrier, preventing ground loops and protecting sensitive control electronics from high-voltage transients. The ADUM4220ARWZ is part of the ADuM4220 family, which includes variants with different isolation ratings and output configurations.
Key features of the ADUM4220ARWZ include a peak output current of 4 A, which enables fast switching of large gate capacitances, and a high common-mode transient immunity (CMTI) of 100 kV/µs, ensuring reliable operation in noisy environments. The device also features independent high-side and low-side outputs with a dead-time control input, allowing precise timing of complementary switching signals. The 16-lead SOIC package (SOIC-16) is compact and suitable for space-constrained designs.
Technically, the ADUM4220ARWZ uses Analog Devices' proprietary iCoupler technology, which integrates micro-transformers and high-speed CMOS to achieve isolation without the need for external components. This results in lower power consumption and higher reliability compared to traditional optocoupler-based solutions. The device also includes undervoltage lockout (UVLO) on both the input and output supplies, ensuring proper operation during power-up and brownout conditions.
Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation systems. The high isolation voltage and fast switching make it ideal for applications requiring robust galvanic isolation and high-frequency operation. The ADUM4220ARWZ is also suitable for automotive and industrial environments where reliability and safety are paramount.
When designing with the ADUM4220ARWZ, it is important to ensure proper PCB layout to minimize parasitic inductance and maintain signal integrity. The input and output supplies should be adequately decoupled with ceramic capacitors placed close to the device pins. Additionally, the dead-time control input should be configured to prevent shoot-through in half-bridge topologies.
Alternativas drop-in para ADUM4220ARWZ — 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 ADUM4220ARWZ (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:
ADUM4223ARWZ
✅ Drop-In✓ Em estoque
$3.1 / unidade
Ver ficha técnica →ADUM4221ARWZ
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.1 / unidade
Ver ficha técnica →ADUM4222ARWZ
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.1 / unidade
Ver ficha técnica →ADUM3223ARWZ
✅ Drop-In✓ Em estoque
$2.19 / unidade
Ver ficha técnica →ADUM3221ARZ
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.52 / unidade
Ver ficha técnica →ADUM3220ARZ
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.2 / unidade
Ver ficha técnica →UCC21520DW
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ISO5852SDW
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ADUM4220ARWZ Especificações
| Technology | iCoupler (magnetic isolation) |
| Number of Channels | 2 (high-side and low-side) |
| Peak Output Current | 4 A |
| Isolation Voltage | 5000 Vrms |
| Propagation Delay | 38 ns |
| Common-Mode Transient Immunity (CMTI) | 100 kV/µs |
| Input Supply Voltage | 3.0 V to 5.5 V |
| Output Supply Voltage | 4.5 V to 18 V |
| Faixa de temperatura de operação | -40°C to +125°C |
| Encapsulamento | 16-Lead SOIC (SOIC-16) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
| Nível MSL | 1 (unlimited) |
| Dead-Time Control | Yes |
| Undervoltage Lockout (UVLO) | Yes (input and output) |
Configuração de pinos do ADUM4220ARWZ
| Pino 1 | VDD1 — Input supply voltage (3.0V to 5.5V) |
| Pino 2 | GND1 — Input ground |
| Pino 3 | VIA — High-side input signal |
| Pino 4 | VIB — Low-side input signal |
| Pino 5 | DT — Dead-time control input |
| Pino 6 | GND1 — Input ground |
| Pino 7 | NC — No connect |
| Pino 8 | NC — No connect |
| Pino 9 | VOA — High-side output |
| Pino 10 | VOB — Low-side output |
| Pino 11 | VDD2 — Output supply voltage (4.5V to 18V) |
| Pino 12 | GND2 — Output ground |
| Pino 13 | GND2 — Output ground |
| Pino 14 | NC — No connect |
| Pino 15 | NC — No connect |
| Pino 16 | GND1 — Input ground |
Aplicações típicas
ADUM4220ARWZ é adequado para 6 aplicaçãos: Isolated Switch-Mode Power Supplies, Motor Drives, Solar Inverters, Industrial Automation, Electric Vehicle Chargers, Medical Power Supplies.
Isolated Switch-Mode Power Supplies
The ADUM4220ARWZ is ideal for isolated switch-mode power supplies (SMPS) where galvanic isolation between the control and power stages is required. Its 5000 Vrms isolation and 4 A peak output current enable efficient driving of power MOSFETs in flyback, forward, and half-bridge topologies. The fast propagation delay of 38 ns minimizes switching losses, while the high CMTI of 100 kV/µs ensures reliable operation in noisy environments. The device's UVLO on both input and output supplies prevents erratic behavior during power-up, making it a robust choice for industrial and telecom power supplies.
Recomendado
Motor Drives
In motor drive applications, the ADUM4220ARWZ provides isolated gate drive signals for the high-side and low-side switches in a three-phase inverter. Its 4 A peak output current ensures fast switching of IGBTs and MOSFETs, reducing switching losses and improving efficiency. The independent high-side and low-side outputs with dead-time control prevent shoot-through, enhancing reliability. The high isolation voltage protects the control circuitry from motor transients, and the wide operating temperature range (-40°C to +125°C) suits industrial motor drives. The device's CMTI of 100 kV/µs ensures stable operation in the presence of high dv/dt events.
Recomendado
Solar Inverters
The ADUM4220ARWZ is well-suited for solar inverter applications, where it drives the power switches in DC-AC conversion stages. Its 5000 Vrms isolation ensures safe separation between the PV panel side and the grid side, meeting safety standards. The 4 A peak output current enables efficient switching of high-capacitance IGBTs, while the fast propagation delay of 38 ns supports high-frequency PWM operation. The device's UVLO features protect against undervoltage conditions, and its high CMTI ensures reliable operation in the presence of fast voltage transients common in solar inverters. The compact SOIC-16 package saves PCB space in space-constrained designs.
Recomendado
Industrial Automation
In industrial automation, the ADUM4220ARWZ is used in isolated gate drive circuits for motor control, robotics, and power supplies. Its high isolation voltage and robust design make it suitable for harsh industrial environments. The device's 4 A peak output current drives power transistors efficiently, while the fast propagation delay ensures precise timing in high-frequency switching applications. The wide operating temperature range and high CMTI provide reliable operation in noisy industrial settings. The ADUM4220ARWZ's compatibility with standard logic levels simplifies interfacing with PLCs and microcontrollers, making it a versatile choice for automation systems.
Recomendado
Electric Vehicle Chargers
The ADUM4220ARWZ is suitable for electric vehicle (EV) charger applications, where it drives the power switches in AC-DC and DC-DC converters. Its 5000 Vrms isolation provides the necessary galvanic isolation between the mains and the vehicle battery, ensuring safety. The 4 A peak output current enables efficient switching of high-power IGBTs and MOSFETs, while the fast propagation delay of 38 ns supports high-frequency operation. The device's UVLO and thermal protection features enhance reliability in demanding automotive environments. The compact SOIC-16 package is ideal for space-constrained charger designs.
Recomendado
Medical Power Supplies
In medical power supplies, the ADUM4220ARWZ provides isolated gate drive for power switches, ensuring patient safety through galvanic isolation. Its 5000 Vrms isolation meets stringent medical safety standards, while the 4 A peak output current drives power transistors efficiently. The fast propagation delay of 38 ns minimizes switching losses, and the high CMTI ensures reliable operation in the presence of electrical noise. The device's wide operating temperature range and UVLO features make it suitable for medical equipment that requires high reliability. The compact SOIC-16 package is ideal for space-constrained medical devices.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ADUM4220ARWZ — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ADUM4223ARWZ | ADUM3223ARWZ | UCC21520DW |
|---|---|---|---|---|
| Package | 16-Lead SOIC | 16-Lead SOIC | 16-Lead SOIC | 16-Lead SOIC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Isolation Voltage | 5000 Vrms | 5000 Vrms | 3000 Vrms | 5000 Vrms |
| Peak Output Current | 4 A | 4 A | 4 A | 4 A |
| Propagation Delay | 38 ns | 38 ns | 38 ns | 19 ns |
| CMTI | 100 kV/µs | 100 kV/µs | 100 kV/µs | 100 kV/µs |
| Input Supply Voltage | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V |
| Output Supply Voltage | 4.5V to 18V | 4.5V to 18V | 4.5V to 18V | 4.5V to 18V |
Principais diferenciais
- Higher isolation voltage compared to ADUM3223ARWZ (vs ADUM3223ARWZ)
- Faster propagation delay compared to UCC21520DW (vs UCC21520DW)
- Same package and pinout as ADUM4223ARWZ (vs ADUM4223ARWZ)
Notas de projeto
Place decoupling capacitors (0.1 µF and 10 µF) close to the VDD1 and VDD2 pins to ensure stable supply voltages. Use a solid ground plane for GND1 and GND2 to minimize noise and parasitic inductance. Keep the high-side and low-side output traces short and wide to reduce inductance and improve switching performance.
The ADUM4220ARWZ can dissipate significant power when driving large gate capacitances at high frequencies. Ensure adequate PCB copper area for heat dissipation, especially in high-temperature environments. The SOIC-16 package has a thermal resistance of approximately 80°C/W; consider adding thermal vias if operating near maximum ratings.
Do not exceed the absolute maximum ratings for VDD1 and VDD2. Ensure the dead-time control input (DT) is properly configured to prevent shoot-through in half-bridge topologies. Verify that the input signals (VIA and VIB) are within the specified logic levels and have sufficient pulse widths to meet the minimum pulse width requirement.
Informações de conformidade
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified; for automotive applications, consider ADUM4223ARWZ-Q1 if available.
