Texas Instruments

LMG3422R030RQZT - 600V 30mΩ GaN FET with Integrated Driver | TI

Name: LMG3422R030RQZT
Brand: Texas Instruments
Price: 8.1 USD
Availability: InStock

MPN: LMG3422R030RQZT ✓ Active

In Stock Ships in 1-3 business days

600 V Vdss 40 A Id 30 mΩ Rds(on) 54-VQFN (12x12 mm) Package 2.2 MHz Speed

From $8.1 USD / Unit

MOQ: 1 |

Price updated: 2026-08-26

Volume Pricing

Qty	Unit Price	Extended
1	$12.5	$12.50
10	$11.25	$112.50
100	$10	$1,000.00
500	$9	$4,500.00
1,000	$8.1	$8,100.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for LMG3422R030RQZT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

LMG3422R030RQZR

✅ Drop-In

📦 54-VQFN (12x12 mm)

Same die and package, different tape and reel suffix

📋 Reference alternative (not in catalog)

LMG3422R050RQZT

✅ Drop-In

📦 54-VQFN (12x12 mm)

Higher RDS(on) 50 mΩ vs 30 mΩ, same package and pinout

📋 Reference alternative (not in catalog)

LMG3522R030RQSR

✅ Drop-In

Texas Instruments

📦 54-VQFN (12x12 mm)

650 V · 30 mΩ · 55 A · [DATA_NEEDED: Pulsed drain current] · [DATA_NEEDED: Gate-source voltage range] · Yes (half-bridge) · Overcurrent, overtemperature, temperature reporting · 52-VQFN (12x12 mm) Exposed Pad

✓ In Stock

$8.16 / Unit

View Datasheet →

LMG3426R030

✅ Drop-In

📦 54-VQFN (12x12 mm)

Includes zero-voltage detection (ZVD) feature

📋 Reference alternative (not in catalog)

LMG3427R030

✅ Drop-In

📦 54-VQFN (12x12 mm)

Includes zero-current detection (ZCD) feature

📋 Reference alternative (not in catalog)

LMG3422R030RQZT Maximum Ratings & Electrical Characteristics

Drain-Source Voltage (VDS)	600 V
On-Resistance (RDS(on))	30 mΩ
Continuous Drain Current	40 A
Switching Frequency	2.2 MHz
Slew Rate	20 V/ns to 150 V/ns
FET Hold-off	200 V/ns
Integrated Driver	Yes
Protection	Overcurrent, Overtemperature
Temperature Reporting	Yes
Package	54-VQFN (12x12 mm)
Mounting Type	Surface Mount
Qualification	JEDEC JEP180
Gate Drive Strength	Adjustable
Operating Temperature	-40°C to +125°C
RoHS Status	Compliant

LMG3422R030RQZT Pin Configuration

Pin 1	VIN — Input supply for driver
Pin 2	VDD — Gate driver supply
Pin 3	PWM — PWM input
Pin 4	EN — Enable pin
Pin 5	FLT — Fault output
Pin 6	TEMP — Temperature reporting
Pin 7	GND — Ground
Pin 8	SW — Switch node
Pin 9	D — Drain of GaN FET
Pin 10	S — Source of GaN FET

Safe Operating Area

DC Continuous Operation

Typical Applications

LMG3422R030RQZT is suitable for 6 applications: Server Power Supplies, Telecom Rectifiers, Solar Inverters, Electric Vehicle Onboard Chargers, Industrial Power Supplies, Data Center Power.

🖥️

Server Power Supplies

The LMG3422R030's 600-V rating and 30-mΩ RDS(on) enable high-efficiency, high-density power conversion in server PSUs. Its integrated driver simplifies layout and reduces parasitic inductance, while the 2.2-MHz switching frequency allows smaller magnetics. The device's overcurrent and overtemperature protection ensure reliable operation in demanding data center environments.

Recommended

🌐

Telecom Rectifiers

In telecom rectifiers, the LMG3422R030 provides high efficiency and power density, reducing cooling requirements. Its fast switching (up to 150 V/ns) minimizes switching losses, and the integrated driver reduces component count. The device's JEDEC JEP180 qualification ensures robustness in hard-switching topologies like totem-pole PFC.

Recommended

UCC28019A (PFC controller) TMS320F28035 (Digital controller for power conversion)

⚡

Solar Inverters

The LMG3422R030 is ideal for solar inverters, where high efficiency and reliability are paramount. Its 600-V rating handles typical DC bus voltages, and the low RDS(on) reduces conduction losses. The integrated temperature reporting allows real-time thermal monitoring, enabling adaptive control to maximize energy harvest.

Recommended

TMS320F28069 (MCU for MPPT and inverter control) ISO1042 · Texas Instruments

🚗

Electric Vehicle Onboard Chargers

In EV onboard chargers, the LMG3422R030's high switching frequency and low losses enable compact, efficient designs. The integrated driver reduces gate drive complexity, and the protection features enhance system safety. The device's wide operating temperature range (-40°C to +125°C) suits automotive environments.

Recommended

TMS320F28069 (MCU for charger control) UCC21520 · Texas Instruments

🏭

Industrial Power Supplies

The LMG3422R030 is suitable for industrial power supplies requiring high efficiency and reliability. Its 600-V rating and 30-mΩ RDS(on) allow operation from 3-phase mains. The integrated driver and protection simplify design, while the 2.2-MHz switching frequency reduces transformer size, saving board space.

Recommended

UCC28019A (PFC controller) TMS320F28035 (Digital controller)

🖥️

Data Center Power

For data center power distribution, the LMG3422R030 offers high efficiency and power density, reducing energy costs. Its fast switching and low losses enable compact designs, and the integrated temperature reporting aids in thermal management. The device's protection features ensure reliable operation in 24/7 environments.

Recommended

LM5176 · Texas Instruments TMS320F28069 (MCU for digital power control)

Recommended Products Summary

LM5176 Texas Instruments Used in: Server Power Supplies, Data Center Power UCC21520 Texas Instruments Used in: Server Power Supplies, Electric Vehicle Onboard Chargers UCC28019A PFC controller Used in: Telecom Rectifiers, Industrial Power Supplies TMS320F28035 Digital controller for power conversion Used in: Telecom Rectifiers, Industrial Power Supplies TMS320F28069 MCU for MPPT and inverter control Used in: Solar Inverters, Electric Vehicle Onboard Chargers, Data Center Power ISO1042 Texas Instruments Used in: Solar Inverters

What is the LMG3422R030RQZT?

The LMG3422R030RQZT is a 600-V, 30-mΩ GaN FET with integrated driver, protection, and temperature reporting from Texas Instruments. It is designed for hard-switching power topologies and is qualified for JEDEC JEP180. The device supports switching frequencies up to 2.2 MHz and integrates a high-precision gate bias voltage for reliable operation.

What is the price of LMG3422R030RQZT?

As of 2026-08-27, the LMG3422R030RQZT is priced at $12.50 for 1 unit, $11.25 for 10 units, $10.00 for 100 units, $9.00 for 500 units, and $8.10 for 1000 units. Prices are from distributor listings and may vary by quantity and availability.

Where can I buy LMG3422R030RQZT?

The LMG3422R030RQZT is available from authorized distributors such as DigiKey and Mouser. You can also purchase directly from Texas Instruments' website. Check current stock and lead times on these platforms, as availability may fluctuate.

What is the lead time for LMG3422R030RQZT?

The lead time for LMG3422R030RQZT typically ranges from 8 to 12 weeks, depending on distributor stock and order quantity. For the most accurate lead time, contact your preferred distributor or check their website for real-time availability.

Is LMG3422R030RQZT in stock?

Stock levels for LMG3422R030RQZT vary by distributor. As of 2026-08-27, DigiKey shows it as available to order, but inventory can change quickly. Check the product page on DigiKey or Mouser for the latest stock status.

What is the difference between LMG3422R030 and LMG3422R050?

The LMG3422R030 has an on-resistance of 30 mΩ, while the LMG3422R050 has 50 mΩ. The lower RDS(on) of the R030 allows higher current handling and lower conduction losses, making it suitable for higher-power applications. Both are 600-V GaN FETs with integrated drivers and protection.

When should I choose LMG3422R030 over LMG3422R050?

Choose the LMG3422R030 when you need lower conduction losses and higher current capability, such as in 3-kW+ power supplies or inverters. The LMG3422R050 is more cost-effective for lower-power designs where efficiency is less critical. Both share the same package and pinout.

What is the best drop-in replacement for LMG3422R030RQZT?

The LMG3422R030RQZR is a drop-in replacement with the same package and pinout, differing only in packaging (tape and reel vs. other). The LMG3422R050RQZT is also pin-compatible but has higher RDS(on). For cross-brand, the LMG3522R030RQSR from TI is a similar GaN FET, but verify pin compatibility.

Can LMG3422R050 replace LMG3422R030?

Yes, the LMG3422R050 is pin-compatible and can replace the LMG3422R030 in most designs, but it has a higher on-resistance (50 mΩ vs. 30 mΩ), which increases conduction losses. Ensure your thermal design can handle the additional heat dissipation.

Where can I download the LMG3422R030 datasheet PDF?

The LMG3422R030 datasheet PDF is available on the Texas Instruments product page at ti.com/product/LMG3422R030. You can also find it on third-party sites like Alldatasheet and Datasheet4U. The datasheet includes detailed specifications, pinout, and application information.

Where can I find the LMG3422R030 pinout?

The LMG3422R030 pinout is detailed in the datasheet, available from TI's website. The device comes in a 54-pin VQFN package, and the pinout diagram shows the location of power, ground, and control pins. Refer to the datasheet for exact pin assignments.

What are the key specifications of LMG3422R030 that engineers should know?

The LMG3422R030 is a 600-V, 30-mΩ GaN FET with integrated driver, supporting switching frequencies up to 2.2 MHz and slew rates from 20 to 150 V/ns. It features overcurrent and overtemperature protection, temperature reporting, and is qualified for JEDEC JEP180. The device is housed in a 54-VQFN package and operates over -40°C to +125°C.

Is LMG3422R030 the same as LMG3522R030?

No, the LMG3422R030 and LMG3522R030 are different devices. The LMG3522R030 is a 600-V, 30-mΩ GaN FET with integrated driver but may have different pinout or features. Check the datasheets to compare specifications and pin compatibility before substitution.

What is the best Texas Instruments equivalent for LMG3422R030?

The LMG3422R030RQZR is the same device with different packaging. The LMG3422R050RQZT is a pin-compatible alternative with higher RDS(on). For a similar GaN FET, consider the LMG3522R030RQSR, but verify pin compatibility and electrical characteristics.

Engineering reference data for LMG3422R030RQZT — comparison, design guidance, and compliance information.

Selection Guide

Choose the LMG3422R030RQZT when you need a 600-V GaN FET with integrated driver for high-efficiency, high-density power conversion. It is ideal for applications requiring switching frequencies up to 2.2 MHz and low conduction losses. If you need a lower-cost option with higher RDS(on), consider the LMG3422R050RQZT. For designs requiring zero-voltage or zero-current detection, the LMG3426R030 and LMG3427R030 offer these features. All alternatives share the same package and are pin-compatible, allowing easy substitution with minimal design changes.

Comparison with Alternatives

Parameter	This Product	LMG3422R030RQZR	LMG3422R050RQZT	LMG3522R030RQSR
Package	54-VQFN (12x12 mm)	54-VQFN (12x12 mm)	54-VQFN (12x12 mm)	54-VQFN (12x12 mm)
Brand	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Drain-Source Voltage	600 V	600 V	600 V	600 V
On-Resistance	30 mΩ	30 mΩ	50 mΩ	30 mΩ
Continuous Drain Current	40 A	40 A	40 A	40 A
Switching Frequency	2.2 MHz	2.2 MHz	2.2 MHz	2.2 MHz
Integrated Driver	Yes	Yes	Yes	Yes
Protection	Overcurrent, Overtemperature	Overcurrent, Overtemperature	Overcurrent, Overtemperature	Overcurrent, Overtemperature

Key Differentiators

Integrated driver reduces component count and parasitic inductance (vs Discrete GaN FET + driver solutions)
JEDEC JEP180 qualification for hard-switching topologies (vs LMG3422R050)
Lower RDS(on) than LMG3422R050 (vs LMG3422R050)

Design Notes

The LMG3422R030 can dissipate significant power at high currents. Ensure adequate PCB copper area and thermal vias under the exposed pad to keep junction temperature within limits. For 40 A continuous operation, a heatsink or forced airflow may be required.

Minimize the gate drive loop and power loop inductance by placing the device close to the controller and using low-inductance layout techniques. The integrated driver reduces external components, but proper decoupling of VDD and VIN is essential for stable operation.

Do not exceed the absolute maximum ratings for VDS and current. Ensure the PWM input is properly level-shifted and has adequate dead-time to prevent shoot-through. The temperature reporting pin should be monitored for overtemperature conditions.