ADUM4224ARWZ-RL7 - 4A Isolated Half-Bridge Driver | Analog Devices
MPN: ADUM4224ARWZ-RL7 ✓ NakahandaADUM4224ARWZ-RL7 Ulas
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.
Mga alternatibo na pwedeng ilagay na ADUM4224ARWZ-RL7 — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok ADUM4224ARWZ-RL7 (parehas na form factor at footprint) — pagkakaiba sa Isolation Voltage, Package, Technology, Propagation Delay.
ADUM4224WARWZ
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
ADUM4224WBRWZ-RL
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
ADUM3223ARWZ-RL7
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →ADUM3221ARZ-RL7
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →UCC21520DW
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
ISO5852SDW
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
SI8275GBD-IS
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
ADUM4224ARWZ-RL7 Mga Pinakamataas na Rating at Electrical Characteristics
| Output Current | 4 A peak |
| Isolation Voltage | 5000 V rms |
| Number of Channels | 2 |
| Output Kumpigurasyon | 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 |
| Packhaging | 16-lead SOIC (wide body) |
| Temperature na Operasyon | -40°C to +125°C |
| Technology | iCoupler |
| Dead-Time Control | Yes |
| Tindminan RoHS | Compliant |
| Uri ng Pagpapasok | Surface Mount |
Pin Configuration ng ADUM4224ARWZ-RL7
| Pin 1 | VDD1 — Input supply voltage (2.7 V to 5.5 V) |
| Pin 2 | GND1 — Input ground |
| Pin 3 | VIA — Input signal for high-side driver |
| Pin 4 | VIB — Input signal for low-side driver |
| Pin 5 | DT — Dead-time control input |
| Pin 6 | GND1 — Input ground |
| Pin 7 | NC — No connect |
| Pin 8 | NC — No connect |
| Pin 9 | VDD2 — Output supply voltage (4.5 V to 18 V) |
| Pin 10 | GND2 — Output ground |
| Pin 11 | VOA — High-side gate drive output |
| Pin 12 | VOB — Low-side gate drive output |
| Pin 13 | GND2 — Output ground |
| Pin 14 | NC — No connect |
| Pin 15 | NC — No connect |
| Pin 16 | GND2 — Output ground |
Tipikal na mga Gamit
ADUM4224ARWZ-RL7 ay nararapat para sa 6 aplikasyons: 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.
Inirekomenda
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.
Inirekomenda
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.
Inirekomenda
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.
Inirekomenda
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.
Inirekomenda
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.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for ADUM4224ARWZ-RL7 — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | 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 |
Pangunahing mga Pagkakaiba
- Higher isolation voltage than ADUM3224 (kumpara saADUM3224ARWZ)
- Automotive grade option available (kumpara saADUM4224WARWZ)
- Faster propagation delay than UCC21520 (kumpara saUCC21520DW)
Talaan ng Disenyo
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.
Impormasyon ng Pagsunod sa Kautusan
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified; choose ADUM4224WARWZ for automotive.
