ADUM3220ARZ-RL7 - Isolated 4A Dual Gate Driver | Analog Devices
MPN: ADUM3220ARZ-RL7 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.74 | $274.00 |
| 500 | $2.47 | $1,235.00 |
| 1,000 | $2.19 | $2,190.00 |
Drop-in alternatives for ADUM3220ARZ-RL7 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ADUM3220BRZ-RL7
β Drop-Inπ Reference alternative (not in catalog)
ADUM3220ARZ
β Drop-Inβ In Stock
$2.2 / Unit
View Datasheet βADUM3220WBRZ
β Drop-Inπ Reference alternative (not in catalog)
ADUM3221ARZ-RL7
β Drop-Inβ In Stock
$2.2 / Unit
View Datasheet βADUM3220ARZ-RL7 Maximum Ratings & Electrical Characteristics
| Number of Channels | 2 |
| Peak Output Current | 4 A |
| Isolation Voltage | 2500 Vrms |
| Propagation Delay | 60 ns (max) |
| Channel-to-Channel Matching | 5 ns (max) |
| UVLO Threshold | 4.1 V (nominal) |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Style | SMD/SMT |
| Technology | iCoupler (magnetic coupling) |
| Operating Temperature | [DATA_NEEDED: Operating temperature range] |
| Supply Voltage | [DATA_NEEDED: Supply voltage range] |
| RoHS Status | RoHS Compliant |
| Lead Free Status | Lead Free |
| Data Rate | N/A (gate driver) |
| Product Category | Galvanically Isolated Gate Drivers |
ADUM3220ARZ-RL7 Pin Configuration
| Pin 1 | VDD1 β Input supply voltage |
| Pin 2 | GND1 β Input ground |
| Pin 3 | VIA β Input channel A |
| Pin 4 | VIB β Input channel B |
| Pin 5 | GND2 β Output ground |
| Pin 6 | VOA β Output channel A |
| Pin 7 | VOB β Output channel B |
| Pin 8 | VDD2 β Output supply voltage |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
ADUM3220ARZ-RL7 is suitable for 6 applications: Isolated DC-DC Converters, Motor Control Inverters, Solar Inverters, Server Power Supplies, Electric Vehicle Chargers, Industrial Power Supplies.
Isolated DC-DC Converters
The ADUM3220ARZ-RL7 is ideal for isolated DC-DC converters where high-side and low-side MOSFETs need to be driven with galvanic isolation. Its 4 A peak output current ensures fast switching, reducing losses. The 2500 Vrms isolation protects the control circuitry from high-voltage transients. With 60 ns propagation delay, it supports high-frequency operation up to several hundred kHz, improving power density. The dual-channel configuration simplifies half-bridge designs, and the UVLO ensures reliable startup.
Recommended
Motor Control Inverters
In motor control inverters, the ADUM3220ARZ-RL7 drives IGBTs or MOSFETs in each phase leg. The 4 A peak current charges the gate quickly, minimizing switching losses. The 5 ns channel-to-channel matching ensures balanced switching of high-side and low-side devices, reducing EMI. The isolation barrier protects the microcontroller from motor transients. Its compact 8-SOIC package saves board space in multi-axis drives. The device operates reliably in industrial temperature ranges, making it suitable for factory automation.
Recommended
Solar Inverters
The ADUM3220ARZ-RL7 is used in solar inverters to drive the power stage while providing isolation between the PV array and the grid. Its 2500 Vrms isolation meets safety requirements. The 4 A output drives large IGBTs efficiently, and the fast propagation delay enables high switching frequencies for smaller magnetics. The UVLO prevents malfunction during low-light conditions. The device's robustness and long-term reliability are critical for 20-year solar installations.
Recommended
Server Power Supplies
In server power supplies, the ADUM3220ARZ-RL7 drives the synchronous rectifier MOSFETs in isolated DC-DC converters. The 4 A peak current ensures fast turn-on/off, reducing body diode conduction losses. The 60 ns propagation delay allows tight control loops for fast transient response. The isolation protects the digital controller from the high-voltage bus. The small 8-SOIC package is ideal for high-density power supplies. The device's high junction temperature rating supports operation in confined server environments.
Recommended
Electric Vehicle Chargers
The ADUM3220ARZ-RL7 is suitable for on-board chargers in electric vehicles, where isolation is required between the AC input and the battery. Its 2500 Vrms isolation meets automotive safety standards. The 4 A output drives SiC MOSFETs efficiently, and the fast propagation delay enables high-frequency operation to reduce transformer size. The device's robustness under high temperatures is essential for automotive environments. The dual-channel configuration simplifies full-bridge topologies.
Recommended
Industrial Power Supplies
In industrial power supplies, the ADUM3220ARZ-RL7 provides isolated gate drive for MOSFETs in flyback or forward converters. The 4 A peak current ensures reliable switching, and the 2500 Vrms isolation protects control electronics from industrial voltage spikes. The 60 ns propagation delay allows precise PWM control. The device's wide operating temperature range and high reliability make it suitable for 24/7 operation in factories. Its compact package fits in DIN-rail mounted supplies.
Recommended
Recommended Products Summary
Engineering reference data for ADUM3220ARZ-RL7 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADUM3220BRZ-RL7 | ADUM3220ARZ | ADUM3220WBRZ | ADUM3221ARZ-RL7 | UCC21520DW |
|---|---|---|---|---|---|---|
| Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | SOIC-16 |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Peak Output Current | 4 A | 4 A | 4 A | 4 A | 4 A | 4 A |
| Isolation Voltage | 2500 Vrms | 2500 Vrms | 2500 Vrms | 2500 Vrms | 2500 Vrms | 5000 Vrms |
| Propagation Delay | 60 ns (max) | 60 ns (max) | 60 ns (max) | 60 ns (max) | 60 ns (max) | 30 ns (max) |
| UVLO Threshold | 4.1 V (nominal) | [DATA_NEEDED] | 4.1 V (nominal) | [DATA_NEEDED] | 4.1 V (nominal) | 8 V (typical) |
| Number of Channels | 2 | 2 | 2 | 2 | 1 | 2 |
| RoHS Status | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- 4 A peak output current with 60 ns propagation delay (vs UCC21520DW)
- iCoupler technology provides reliable magnetic isolation (vs Optocoupler-based drivers)
- Dual-channel configuration in 8-SOIC package (vs Single-channel drivers)
Design Notes
Ensure adequate decoupling on both VDD1 and VDD2 supplies. Place 0.1 uF ceramic capacitors as close as possible to the supply pins to handle the high peak currents during switching. A 10 uF bulk capacitor may be needed on VDD2 if the gate charge is large.
Minimize trace length between the driver outputs and the gate of the power transistor to reduce parasitic inductance. Use wide traces or copper pours for high-current paths. Keep the input and output grounds separate to maintain isolation integrity.
Do not exceed the absolute maximum ratings for supply voltages. The UVLO threshold of 4.1 V ensures proper operation, but verify that the supply voltage does not drop below this during transients. Also, ensure the input signals are within the recommended input voltage range to avoid damage.
Compliance Information
RoHS compliant and lead-free per distributor data. AEC-Q100 not applicable as this is not an automotive-qualified part.
