ADUM3224ARWZ-RL7 - 4A Isolated Half-Bridge Gate Driver | Analog Devices
부품 번호: ADUM3224ARWZ-RL7 ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $3.5 | $3.50 |
| 10 | $3.15 | $31.50 |
| 100 | $2.8 | $280.00 |
| 500 | $2.45 | $1,225.00 |
| 1,000 | $2.1 | $2,100.00 |
ADUM3224ARWZ-RL7 개요
An isolated gate driver is a specialized integrated circuit that provides the necessary voltage and current to drive the gate of power transistors (such as MOSFETs and IGBTs) while maintaining galvanic isolation between the control side and the power side. This isolation is critical in applications where the power stage operates at high voltages or where ground potential differences exist, preventing damage to the low-voltage control circuitry and improving safety. The ADUM3224 belongs to the family of isolated gate drivers, which are essential components in power management systems, motor drives, and switch-mode power supplies.
Key features of the ADUM3224ARWZ-RL7 include 4 A peak output current, 3000 V rms isolation rating, 2-channel operation, and a wide supply voltage range. The device also offers under-voltage lockout (UVLO) protection, which ensures proper operation during power-up and power-down sequences. Its propagation delay is typically 50 ns, and it provides high common-mode transient immunity of 25 kV/us, making it robust in industrial environments.
Technically, the ADUM3224 uses Analog Devices' iCoupler technology, which integrates micro-transformers and high-speed CMOS to achieve isolation without the need for optocouplers. This results in lower power consumption, higher reliability, and better timing accuracy compared to traditional isolation methods. The device is designed to drive both high-side and low-side MOSFETs in half-bridge configurations, with independent inputs and outputs for each channel.
Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation systems. The ADUM3224's high output current and fast switching speed make it ideal for driving large gate capacitances, ensuring efficient and reliable power conversion.
When designing with the ADUM3224, it is important to provide adequate decoupling on the supply pins and to minimize parasitic inductance in the gate drive loop. Proper PCB layout is critical to achieve the specified performance, especially in high-frequency switching applications.
드롭인 대체품: ADUM3224ARWZ-RL7 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
ADUM3224WARZ-RL7
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADUM3224BRZ-RL7
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
ADUM3224WBRZ-RL7
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADUM3224ARWZ-RL7 최대 정격 & 전기적 특성
| Output Current (Peak) | 4 A |
| Isolation Voltage | 3000 V rms |
| Number of Channels | 2 |
| 패키지 | 16-lead SOIC (narrow body) |
| Propagation Delay | 50 ns (typical) |
| Common-Mode Transient Immunity | 25 kV/us |
| Supply Voltage Range | 4.5 V to 18 V |
| Under-Voltage Lockout (UVLO) | Yes |
| 동작 온도 범위 | -40°C to +125°C |
| Technology | iCoupler |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Compliant |
| 출력 유형 | Half-bridge |
| Input Type | CMOS/TTL compatible |
ADUM3224ARWZ-RL7 핀 구성
| 핀 1 | VDD1 — Primary supply voltage |
| 핀 2 | VSS1 — Primary ground |
| 핀 3 | VIA — Input for channel A |
| 핀 4 | VIB — Input for channel B |
| 핀 5 | VOA — Output for channel A |
| 핀 6 | VOB — Output for channel B |
| 핀 7 | VDD2 — Secondary supply voltage |
| 핀 8 | VSS2 — Secondary ground |
| 핀 9 | NC — No connect |
| 핀 10 | NC — No connect |
| 핀 11 | NC — No connect |
| 핀 12 | NC — No connect |
| 핀 13 | NC — No connect |
| 핀 14 | NC — No connect |
| 핀 15 | NC — No connect |
| 핀 16 | NC — No connect |
일반적인 애플리케이션
ADUM3224ARWZ-RL7 적합 용도: 6 애플리케이션s: Isolated Switch-Mode Power Supplies, Motor Drives, Solar Inverters, Industrial Automation, Electric Vehicle Charging, Uninterruptible Power Supplies (UPS).
Isolated Switch-Mode Power Supplies
The ADUM3224ARWZ-RL7 is ideal for isolated switch-mode power supplies (SMPS) where high-side and low-side MOSFETs need to be driven with galvanic isolation. Its 4 A peak output current ensures fast switching of power transistors, reducing switching losses and improving efficiency. The 3000 V rms isolation protects the control circuitry from high-voltage transients, and the 25 kV/us common-mode transient immunity ensures reliable operation in noisy environments. The device's fast propagation delay (50 ns) maintains precise timing, which is critical for synchronous rectification and active clamping circuits.
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Motor Drives
In motor drive applications, the ADUM3224ARWZ-RL7 provides reliable gate drive for IGBTs and MOSFETs in half-bridge configurations. Its 4 A output current can drive large gate capacitances, enabling fast switching and reducing dead time. The 3000 V rms isolation ensures safe operation in industrial environments with high common-mode voltages. The device's high common-mode transient immunity (25 kV/us) prevents false triggering in noisy motor drive systems. The wide operating temperature range (-40°C to +125°C) makes it suitable for harsh industrial conditions.
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Solar Inverters
The ADUM3224ARWZ-RL7 is well-suited for solar inverter applications, where it drives the MOSFETs in the DC-AC conversion stage. Its 4 A peak output current ensures efficient switching of power transistors, minimizing losses and improving overall system efficiency. The 3000 V rms isolation provides safety isolation between the PV panel side and the grid side, protecting control electronics from high voltages. The device's fast propagation delay and high common-mode transient immunity ensure reliable operation in the presence of switching noise. Its compact SOIC package saves board space in space-constrained inverter designs.
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Industrial Automation
In industrial automation, the ADUM3224ARWZ-RL7 is used in programmable logic controllers (PLCs), robotics, and factory automation equipment. Its isolated gate drive capability allows safe interfacing between low-voltage control logic and high-voltage power stages. The 4 A output current drives IGBTs and MOSFETs in motor control and actuator circuits. The device's robust isolation (3000 V rms) and high common-mode transient immunity (25 kV/us) ensure reliable operation in electrically noisy industrial environments. The wide temperature range and RoHS compliance make it suitable for global industrial applications.
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Electric Vehicle Charging
The ADUM3224ARWZ-RL7 is used in electric vehicle (EV) charging stations to drive the power switches in AC-DC and DC-DC converters. Its 4 A peak output current enables efficient switching of high-power IGBTs and MOSFETs, reducing charging time and improving efficiency. The 3000 V rms isolation provides safety isolation between the grid and the vehicle, meeting stringent safety standards. The device's fast propagation delay and high common-mode transient immunity ensure reliable operation in high-voltage environments. Its automotive-grade variant (ADUM3224WARZ-RL7) is available for automotive applications.
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Uninterruptible Power Supplies (UPS)
In UPS systems, the ADUM3224ARWZ-RL7 drives the MOSFETs in the inverter stage, ensuring reliable power conversion during outages. Its 4 A output current provides fast switching, reducing losses and improving efficiency. The 3000 V rms isolation protects control circuitry from high-voltage DC buses. The device's high common-mode transient immunity (25 kV/us) ensures stable operation in the presence of switching noise. Its wide operating temperature range and RoHS compliance make it suitable for various UPS designs, from small home units to large industrial systems.
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추천 제품 요약
엔지니어링 참조 데이터: ADUM3224ARWZ-RL7 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ADUM3224WARZ-RL7 | ADUM3224BRZ-RL7 | ADUM3224WBRZ-RL7 | ADUM4224ARWZ-RL7 |
|---|---|---|---|---|---|
| Package | 16-lead SOIC (narrow body) | 16-lead SOIC (narrow body) | 16-lead SOIC (narrow body) | 16-lead SOIC (narrow body) | 16-lead SOIC (wide body) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Isolation Voltage | 3000 V rms | 3000 V rms | 3000 V rms | 3000 V rms | 5000 V rms |
| Output Current (Peak) | 4 A | 4 A | 4 A | 4 A | 4 A |
| Propagation Delay | 50 ns | 50 ns | 50 ns | 50 ns | 50 ns |
| Common-Mode Transient Immunity | 25 kV/us | 25 kV/us | 25 kV/us | 25 kV/us | 25 kV/us |
| Automotive Grade | No | Yes (AEC-Q100) | No | Yes (AEC-Q100) | No |
| Supply Voltage Range | 4.5 V to 18 V | 4.5 V to 18 V | 4.5 V to 18 V | 4.5 V to 18 V | 4.5 V to 18 V |
주요 차별점
- Automotive-grade variant available (vs ADUM3224ARWZ-RL7)
- Higher isolation option (vs ADUM4224ARWZ-RL7)
- Same package and pinout across variants (vs ADUM3224BRZ-RL7)
설계 노트
Place decoupling capacitors (0.1 uF and 10 uF) close to the VDD1 and VDD2 pins to ensure stable supply voltages. Use a solid ground plane for VSS1 and VSS2 to minimize noise. Keep the gate drive loop (output pins to MOSFET gate) as short as possible to reduce parasitic inductance and ringing.
The ADUM3224ARWZ-RL7 can dissipate significant power when driving large gate capacitances at high frequencies. Ensure adequate copper area on the PCB for heat dissipation. The thermal resistance of the SOIC package is moderate; for high-frequency operation, consider adding thermal vias under the package to improve heat transfer to the ground plane.
Do not exceed the absolute maximum ratings for supply voltage (18 V) or output current. Ensure that the input signals are within the specified logic levels to avoid damage. Also, be aware of the UVLO threshold; the device will not operate correctly if the supply voltage is below the UVLO level. Always refer to the datasheet for complete operating conditions.
규정 준수 정보
RoHS compliant per Analog Devices product page. AEC-Q100 qualification only on W-grade variants.
