ADUM4224ARWZ - 4A Isolated Half-Bridge Driver | Analog Devices
MPN: ADUM4224ARWZ ✓ פעילADUM4224ARWZ סקירה
An isolated gate driver is a device that transfers control signals across an isolation barrier to drive power transistors such as MOSFETs and IGBTs. It ensures safety and noise immunity by galvanically isolating the low-voltage control side from the high-voltage power stage. This is essential in applications like motor drives, inverters, and switch-mode power supplies where high voltages and transients are present.
Key features include 4A peak output current, 5000Vrms isolation voltage, and a wide supply voltage range. The device supports both high-side and low-side driving with independent inputs, enabling flexible half-bridge configurations. It also features a UVLO (undervoltage lockout) on both supplies to ensure safe operation during power-up and brownout conditions.
Technically, the ADUM4224ARWZ uses Analog Devices' proprietary iCoupler technology, which integrates micro-transformers to achieve isolation. This provides superior performance compared to optocouplers, including higher data rates, lower power consumption, and better timing accuracy. The driver has a propagation delay of and a minimum pulse width of , ensuring precise switching.
Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation. The device is well-suited for driving power MOSFETs and IGBTs in half-bridge or full-bridge topologies, where its high output current ensures fast switching and reduced switching losses.
When designing with the ADUM4224ARWZ, ensure proper decoupling of the VDD1 and VDD2 supplies with low-ESR capacitors. Also, consider the isolation rating and creepage distances for the PCB layout to maintain the specified isolation voltage.
חלופות תחליף ישיר עבור ADUM4224ARWZ — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם ADUM4224ARWZ (אותו גורם צורה וטביעת רגל) — שונים ב Package, Isolation Voltage, Technology, Propagation Delay, Number of Channels.
ADUM4224WARWZ
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
ADUM3224ARWZ
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ADUM3223ARWZ
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←ADUM3221ARZ
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←ADUM3220ARZ
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←ADUM4224ARWZ דירוגים מרביים ומאפיינים חשמליים
| Isolation Voltage | 5000 Vrms |
| Peak Output Current | 4 A |
| Number of Channels | 2 |
| Technology | iCoupler |
| מארז | 16-SOIC |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
| תצורת מוצא | Half-Bridge |
| Isolation Type | Galvanic |
תצורת פינים של ADUM4224ARWZ
| פין 1 | VDD1 — Primary side supply voltage |
| פין 2 | GND1 — Primary side ground |
| פין 3 | VIA — High-side input A |
| פין 4 | VIB — Low-side input B |
| פין 5 | GND1 — Primary side ground |
| פין 6 | NC — No connect |
| פין 7 | NC — No connect |
| פין 8 | NC — No connect |
| פין 9 | VOA — High-side output A |
| פין 10 | VOB — Low-side output B |
| פין 11 | VDD2 — Secondary side supply voltage |
| פין 12 | GND2 — Secondary side ground |
| פין 13 | NC — No connect |
| פין 14 | NC — No connect |
| פין 15 | NC — No connect |
| פין 16 | GND2 — Secondary side ground |
יישומים טיפוסיים
ADUM4224ARWZ מתאים עבור 6 יישוםs: Isolated Switch-Mode Power Supplies, Motor Drives, Solar Inverters, Industrial Automation, Electric Vehicle Chargers, Renewable Energy Systems.
Isolated Switch-Mode Power Supplies
The ADUM4224ARWZ is ideal for isolated switch-mode power supplies (SMPS) where high-side and low-side MOSFETs need to be driven with galvanic isolation. Its 4A peak output current ensures fast switching, reducing switching losses and improving efficiency. The 5000Vrms isolation provides safety and noise immunity in high-voltage applications. The driver's UVLO feature ensures reliable operation during power-up and brownout conditions, making it suitable for industrial power supplies.
מומלץ
Motor Drives
In motor drives, the ADUM4224ARWZ drives the high-side and low-side IGBTs or MOSFETs in a half-bridge configuration. Its 4A output current provides fast gate charging, minimizing switching losses and enabling high-frequency PWM operation. The 5000Vrms isolation protects the low-voltage control circuitry from high-voltage transients and motor noise. The driver's independent high-side and low-side inputs allow flexible control, making it suitable for three-phase motor drives in industrial automation.
מומלץ
Solar Inverters
The ADUM4224ARWZ is well-suited for solar inverters, where it drives the power switches in the DC-AC conversion stage. Its high isolation voltage (5000Vrms) ensures safe operation in high-voltage photovoltaic systems. The 4A peak output current enables efficient switching of IGBTs, reducing losses and improving inverter efficiency. The driver's robust performance under high temperatures and transients makes it reliable for outdoor solar installations.
מומלץ
Industrial Automation
In industrial automation, the ADUM4224ARWZ is used in various power conversion and motor control applications. Its 5000Vrms isolation provides safety in harsh industrial environments, while the 4A output current ensures reliable driving of power semiconductors. The driver's fast propagation delay and high noise immunity make it suitable for precise control in PLCs, robotics, and factory automation systems.
מומלץ
Electric Vehicle Chargers
The ADUM4224ARWZ is used in electric vehicle (EV) chargers to drive the power switches in the AC-DC and DC-DC conversion stages. Its high isolation voltage (5000Vrms) is essential for safety in high-voltage EV systems. The 4A peak output current enables efficient switching of SiC and GaN devices, reducing charging time and improving efficiency. The driver's automotive-grade variant (ADUM4224WARWZ) is available for AEC-Q100 compliance.
מומלץ
Renewable Energy Systems
The ADUM4224ARWZ is suitable for renewable energy systems such as wind turbines and energy storage systems. It drives the power switches in inverters and converters, providing reliable isolation and high output current. The 5000Vrms isolation ensures safety in high-voltage DC buses, while the driver's fast switching reduces losses and improves system efficiency. Its wide operating temperature range makes it suitable for outdoor installations.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור ADUM4224ARWZ — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | ADUM4224WARWZ | ADUM3224ARWZ | ADUM3223ARWZ |
|---|---|---|---|---|
| Package | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Isolation Voltage | 5000 Vrms | 5000 Vrms | 3000 Vrms | 3000 Vrms |
| Peak Output Current | 4 A | 4 A | 4 A | 2 A |
| Number of Channels | 2 | 2 | 2 | 2 |
| Automotive Grade | No | Yes | No | No |
| Technology | iCoupler | iCoupler | iCoupler | iCoupler |
מבדילים עיקריים
- Higher isolation voltage (5000Vrms) compared to ADUM3224ARWZ (לעומתADUM3224ARWZ)
- Automotive-grade variant available (לעומתADUM3224ARWZ)
- Higher output current than ADUM3223ARWZ (לעומתADUM3223ARWZ)
הערות תכנון
Ensure adequate decoupling on VDD1 and VDD2 with low-ESR ceramic capacitors (e.g., 0.1uF and 10uF) placed close to the pins. This minimizes voltage spikes during high-current switching and ensures stable operation.
Maintain proper creepage and clearance distances on the PCB to meet the 5000Vrms isolation rating. Use a minimum of 8mm creepage between primary and secondary sides, and consider a slot in the PCB to enhance isolation.
The ADUM4224ARWZ dissipates power during switching. Ensure adequate copper area on the PCB for heat dissipation, especially in high-frequency applications. The 16-SOIC package has a thermal resistance of approximately [DATA_NEEDED: theta_JA].
מידע על תאימות
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified; use ADUM4224WARWZ for automotive.
