LMG3422R030
600-V 30-mΩ GaN FET with integrated driver, protection and temperature reporting
LMG3422R030
- Qualified for JEDEC JEP180 for hard-switching topologies
- 600V GaN-on-Si FET with integrated gate driver
- Integrated high precision gate bias voltage
- 200V/ns FET hold-off
- 2.2MHz switching frequency
- 20V/ns to 150V/ns slew rate for optimization of switching performance and EMI mitigation
- Operates from 7.5V to 18V supply
- Robust protection
- Cycle-by-cycle overcurrent and latched short-circuit protection with < 100ns response
- Withstands 720V surge while hard-switching
- Self-protection from internal overtemperature and UVLO monitoring
- Advanced power management
- Digital temperature PWM output
- LMG3426R030 includes zero-voltage detection (ZVD) feature that facilitates soft-switching converters
The LMG342xR030 GaN FET with integrated driver and protection is targeted at switch-mode power converters and enables designers to achieve new levels of power density and efficiency.
The LMG342xR030 integrates a silicon driver that enables switching speed up to 150V/ns. TI’s integrated precision gate bias results in higher switching SOA compared to discrete silicon gate drivers. This integration, combined with TIs low-inductance package, delivers clean switching and minimal ringing in hard-switching power supply topologies. Adjustable gate drive strength allows control of the slew rate from 20V/ns to 150V/ns, which can be used to actively control EMI and optimize switching performance. The LMG3426R030 includes the zero-voltage detection (ZVD) feature which provides a pulse output from the ZVD pin when zero-voltage switching is realized.
Advanced power management features include digital temperature reporting and fault detection. The temperature of the GaN FET is reported through a variable duty cycle PWM output, which simplifies managing device loading. Faults reported include overcurrent, short-circuit, overtemperature, VDD UVLO, and high-impedance RDRV pin.
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Technical documentation
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
LMG342X-BB-EVM — LMG342x GaN system-level evaluation motherboard for LMG342x Family
LMG3422EVM-043 — LMG3422R030 600-V 30-mΩ half-bridge daughter card
LMG3422R0x0 LMG3425R0x0 LMG3522R030 and LMG3522R030-Q1 PLECS Simulation Model
SNOR029 — GaN CCM Boost PFC Power Loss Calculation Excel Sheet
Supported products & hardware
Products
Gallium nitride (GaN) power stages
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Supported products & hardware
Products
Gallium nitride (GaN) power stages
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Package | Pins | Download |
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VQFN (RQZ) | 54 | View options |
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