Tool/software:
Hi TI,
I found the low-side gate driver layout guideline in datasheet, which says I should minimize the loop from GLx -> LS gate -> LS source -> SPx.
Also the layout guidelines of motor driver says: 1. Use thick trace for gate (at least 20 mil). 2. Use kelvin connection/differential pairs for current sense signals.
According to the guidelines above, I would like to know which approach is better.
Regarding GLx:
Use at least 20 mil trace and beside SPx trace.
Use at least 20 mil trace but a different layer overlap with SPx trace.
Regarding SPx:
Use 10 mil and differential pairs with 10 mil SNx.
Use 20 mil and differential pairs with 10 mil SNx.
Use 20 mil and differential pairs with 20 mil SNx.
