LMG2650
LMG2650 is GaN power-FET half bridge manufactured by Texas Instruments.
SNOSDI8B
- MAY 2024
- REVISED FEBRUARY 2026
LMG2650 650V 95mΩ Ga N Half Bridge With Integrated Driver and Current Sense Emulation
1 Features
- Ga N power-FET half bridge: 650V
- Low-side and high-side Ga N FETs: 95mΩ
- Integrated gate drivers with low propagation delays: < 100ns
- Programmable turn-on slew rate control
- Current-sense emulation with high-bandwidth and high accuracy
- Low-side referenced (INH) and high-side referenced (GDH) high-side gate drive pins
- Low-side (INL) and high-side (INH) gate-drive interlock
- High-side (INH) gate-drive signal level shifter
- Smart-switched bootstrap diode function
- High-side start up: <8µs
- Low-side and high-side cycle-by-cycle overcurrent protection
- Overtemperature protection
- AUX idle quiescent current: 250μA
- AUX standby quiescent current: 50μA
- BST idle quiescent current: 70μA
- 6mm × 8mm QFN package with dual thermal pads
2 Applications
- Mobile wall charger design
- USB wall power outlet
- AC/DC auxiliary power supplies
- Motor drives
Level Shifter Rx
HS Ga N FET
GDH...