LMG342X-BB-EVM is a prototype evaluation module and is available in limited quantities.
LMG342X-BB-EVM
LMG342x GaN system-level evaluation motherboard for LMG342x Family
LMG342X-BB-EVM
Overview
The LMG342X-BB-EVM is an easy to use breakout board to configure any LMG342xR0x0 half bridge boards, such as the LMG3422EVM-043, as a synchronous buck converter. By providing a power stage, bias power and logic circuitry this EVM allows for quick measurements of the GaN device switching. This EVM is capable of delivering up to 12 A of output current with adequate thermal management (forced air, low frequency operation, etc) to insure the maximum operating temperature is not exceeded. This EVM is not suitable for transient measurements since it is an open loop board.
Only a single pulse width modulated input is required, with complementary pulse width modulated signals and corresponding dead time generated on board. Probe points are provided to allow for key logic and power stage waveforms to be measured with oscilloscope probes that have short ground springs.
Features
- Input voltage operates up to 600 V
- Simple open loop design to evaluate performance of LMG342XR0XX
- Single/Dual PWM input on board for PWM signal with variable dead time
- Latched over current protection function
- Convenient probe points for logic and power stage measurements with oscilloscope probes that have short ground spring probes
Gallium nitride (GaN) power stages
Get started
- Order the LMG342x GaN system-level evaluation motherboard for LMG342x Family and the desired daughter card
- Read the LMG342XEVM-04X User's Guide
Order & start development
Evaluation board
LMG342X-BB-EVM — LMG342x GaN system-level evaluation motherboard for LMG342x Family
Not available on TI.com
Daughter card
LMG3422EVM-043 — LMG3422R030 600-V 30-mΩ half-bridge daughter card
Not available on TI.com
Daughter card
LMG3422EVM-041 — LMG3422R050 600-V 50-mΩ half-bridge daughter card
Not available on TI.com
Daughter card
LMG3522EVM-042 — LMG3522R030-Q1 automotive 650-V 30-mΩ GaN FET with integrated driver daughter card
Not available on TI.com
Daughter card
LMG3425EVM-043 — LMG3425R030 600-V 30-mΩ with ideal diode mode half-bridge daughter card
Daughter card
LMG3425EVM-041 — LMG3425R050 600-V 50-mΩ with ideal diode mode half-bridge daughter card
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| User guide | LMG342XEVM-04X User Guide (Rev. B) | PDF | HTML | 30 Jan 2022 | |
| Certificate | LMG342X-BB-EVM EU Declaration of Conformity (DoC) | 27 Oct 2020 |
Support & training
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