ADUM4224ARWZ-RL7 - 4A Isolated Half-Bridge Driver | Analog Devices
MPN： ADUM4224ARWZ-RL7 ✓ 啟用中ADUM4224ARWZ-RL7 概覽
An isolated gate driver is a specialized integrated circuit that transfers control signals across an isolation barrier to drive the gate of a power transistor while maintaining electrical isolation between the low-voltage control side and the high-voltage power side. This isolation protects sensitive control electronics from high-voltage transients and ground loops, and is essential in applications such as motor drives, power inverters, and switch-mode power supplies. The ADUM4224 belongs to the family of digital isolators and gate drivers, which are critical components in modern power electronics.
Key features of the ADUM4224 include 4 A peak output current, 5000 V rms isolation voltage, and a wide supply voltage range from 4.5 V to 18 V on the output side. The device supports a logic input voltage range of 2.7 V to 5.5 V, making it compatible with a variety of microcontrollers and digital controllers. It also features a dead-time control input, allowing precise timing of high-side and low-side switching to prevent shoot-through current. The propagation delay is typically 60 ns, and the common-mode transient immunity is 100 kV/us, ensuring reliable operation in noisy environments.
The ADUM4224 uses Analog Devices' iCoupler technology, which integrates micro-transformers and high-speed CMOS circuits to achieve isolation and signal transfer. This architecture provides superior performance compared to optocoupler-based drivers, including higher speed, lower power consumption, and better reliability. The wide-body SOIC-16 package offers excellent creepage and clearance distances, meeting stringent safety standards for industrial and automotive applications.
Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and electric vehicle charging systems. The device is also suitable for industrial automation and robotics, where high-voltage isolation and robust gate drive are required. Its high output current and fast switching speed make it ideal for driving large power MOSFETs and IGBTs in high-frequency power converters.
When designing with the ADUM4224, it is important to provide adequate decoupling on both the input and output supply pins, and to minimize parasitic inductance in the gate drive loop. The dead-time control pin should be configured to match the switching characteristics of the power transistors to avoid cross-conduction. Proper PCB layout with sufficient copper area for heat dissipation is recommended for high-current applications.
直接替換替代品，適用於 ADUM4224ARWZ-RL7 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ADUM4224ARWZ-RL7 （相同外形與佔位） — 差異在於 Isolation Voltage, Package, Technology, Propagation Delay.
ADUM4224WARWZ
✅ 直接替換📋 參考替代品（不在目錄中）
ADUM4224WBRWZ-RL
✅ 直接替換📋 參考替代品（不在目錄中）
ADUM3223ARWZ-RL7
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →ADUM3221ARZ-RL7
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →UCC21520DW
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
ISO5852SDW
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
SI8275GBD-IS
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
ADUM4224ARWZ-RL7 最大額定值與電氣特性
| Output Current | 4 A peak |
| Isolation Voltage | 5000 V rms |
| Number of Channels | 2 |
| 輸出配置 | Half-bridge |
| Input Supply Voltage | 2.7 V to 5.5 V |
| Output Supply Voltage | 4.5 V to 18 V |
| Propagation Delay | 60 ns typical |
| Common-Mode Transient Immunity | 100 kV/us |
| 封裝 | 16-lead SOIC (wide body) |
| 工作溫度 | -40°C to +125°C |
| Technology | iCoupler |
| Dead-Time Control | Yes |
| RoHS 狀態 | Compliant |
| 安裝類型 | Surface Mount |
ADUM4224ARWZ-RL7 腳位配置
| 腳位 1 | VDD1 — Input supply voltage (2.7 V to 5.5 V) |
| 腳位 2 | GND1 — Input ground |
| 腳位 3 | VIA — Input signal for high-side driver |
| 腳位 4 | VIB — Input signal for low-side driver |
| 腳位 5 | DT — Dead-time control input |
| 腳位 6 | GND1 — Input ground |
| 腳位 7 | NC — No connect |
| 腳位 8 | NC — No connect |
| 腳位 9 | VDD2 — Output supply voltage (4.5 V to 18 V) |
| 腳位 10 | GND2 — Output ground |
| 腳位 11 | VOA — High-side gate drive output |
| 腳位 12 | VOB — Low-side gate drive output |
| 腳位 13 | GND2 — Output ground |
| 腳位 14 | NC — No connect |
| 腳位 15 | NC — No connect |
| 腳位 16 | GND2 — Output ground |
典型應用
ADUM4224ARWZ-RL7 適用於 6 應用s: Isolated Switch-Mode Power Supplies, Motor Drives, Solar Inverters, Electric Vehicle Charging Systems, Industrial Automation and Robotics, Uninterruptible Power Supplies (UPS).
Isolated Switch-Mode Power Supplies
The ADUM4224ARWZ-RL7 is ideal for isolated switch-mode power supplies (SMPS) where high-voltage isolation and robust gate drive are required. Its 4 A peak output current ensures fast switching of power MOSFETs, while the 5000 V rms isolation protects the control circuitry from high-voltage transients. The device's 100 kV/us common-mode transient immunity prevents false triggering in noisy power environments, ensuring reliable operation in AC-DC converters and DC-DC converters.
推薦
Motor Drives
In motor drive applications, the ADUM4224ARWZ-RL7 provides isolated gate drive for IGBTs and MOSFETs in half-bridge configurations. Its 4 A peak output current and fast 60 ns propagation delay enable precise control of motor phase currents, reducing switching losses and improving efficiency. The 5000 V rms isolation and high common-mode transient immunity ensure reliable operation in industrial environments with high voltage transients and electromagnetic interference.
推薦
Solar Inverters
The ADUM4224ARWZ-RL7 is well-suited for solar inverters, where it drives the power stage of DC-AC converters. Its high isolation voltage (5000 V rms) meets the safety requirements for photovoltaic systems, while the 4 A peak output current ensures efficient switching of high-power IGBTs. The device's wide output supply range (4.5 V to 18 V) accommodates various gate drive voltages, and its robust common-mode transient immunity prevents false switching during grid transients.
推薦
Electric Vehicle Charging Systems
In electric vehicle (EV) charging systems, the ADUM4224ARWZ-RL7 provides isolated gate drive for the power conversion stages. Its 5000 V rms isolation ensures safety between the high-voltage battery and the control electronics, while the 4 A peak output current enables efficient switching of power semiconductors. The device's wide operating temperature range (-40°C to +125°C) makes it suitable for automotive environments, and its high common-mode transient immunity ensures reliable operation in the presence of high-voltage switching noise.
推薦
Industrial Automation and Robotics
The ADUM4224ARWZ-RL7 is used in industrial automation and robotics for driving servo motors and actuators. Its isolated gate drive protects control logic from high-voltage transients, while the 4 A peak output current ensures fast and precise motor control. The device's 100 kV/us common-mode transient immunity is critical in factory environments with high electromagnetic interference, ensuring reliable operation of robotic systems.
推薦
Uninterruptible Power Supplies (UPS)
In UPS systems, the ADUM4224ARWZ-RL7 provides isolated gate drive for the inverter stage, ensuring reliable power conversion during mains failure. Its 5000 V rms isolation protects the control circuitry from high-voltage DC bus transients, while the 4 A peak output current enables efficient switching of IGBTs. The device's fast propagation delay and high common-mode transient immunity contribute to stable operation under varying load conditions.
推薦
推薦產品摘要
工程參考資料，適用於 ADUM4224ARWZ-RL7 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ADUM4224WARWZ | ADUM4224WBRWZ-RL | ADUM3224ARWZ | UCC21520DW |
|---|---|---|---|---|---|
| Package | 16-lead SOIC (wide body) | 16-lead SOIC (wide body) | 16-lead SOIC (wide body) | 16-lead SOIC (narrow body) | 16-lead SOIC (wide body) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Isolation Voltage | 5000 V rms | 5000 V rms | 5000 V rms | 3000 V rms | 5700 V rms |
| Output Current | 4 A peak | 4 A peak | 4 A peak | 4 A peak | 4 A peak |
| Common-Mode Transient Immunity | 100 kV/us | 100 kV/us | 100 kV/us | 100 kV/us | 100 V/ns |
| Input Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 3 V to 18 V |
| Output Supply Voltage | 4.5 V to 18 V | 4.5 V to 18 V | 4.5 V to 18 V | 4.5 V to 18 V | 9.2 V to 25 V |
主要差異化特點
- Higher isolation voltage than ADUM3224 (對比ADUM3224ARWZ)
- Automotive grade option available (對比ADUM4224WARWZ)
- Faster propagation delay than UCC21520 (對比UCC21520DW)
設計說明
Place decoupling capacitors (0.1 uF and 10 uF) close to the VDD1 and VDD2 pins to ensure stable supply voltages. Use a ground plane to minimize parasitic inductance in the gate drive loop. Keep the gate drive traces short and wide to reduce ringing and improve switching performance.
The ADUM4224ARWZ-RL7 can dissipate significant power when driving large capacitive loads at high frequencies. Ensure adequate copper area on the PCB for heat dissipation, and consider thermal vias under the device if operating at high ambient temperatures. The junction-to-ambient thermal resistance is [DATA_NEEDED: theta_JA].
Do not exceed the absolute maximum ratings for VDD1 and VDD2. Ensure the dead-time control pin is properly configured to prevent shoot-through current in the half-bridge. Avoid floating input pins; connect unused inputs to GND1 or VDD1 as appropriate.
合規資訊
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified; choose ADUM4224WARWZ for automotive.
