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keshuaixu
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dvrk-s-pwm
H-bridge motor drivers for dVRK-S
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do not place the 1k pull down resistor for ESPM 6.6V en
#37
keshuaixu
closed
2 years ago
0
feedback from Vince
#36
keshuaixu
closed
2 years ago
0
change current sense amp and resisitors
#35
keshuaixu
closed
2 years ago
0
driving motor 3 and 4 in negative direction (sense resistor on high side) disturbs LVDS comm
#34
keshuaixu
closed
3 years ago
0
extra inductance in ESPM for motor 4 causes resonance
#33
keshuaixu
closed
3 years ago
1
check drv8432 footprint. too easy to solder bridge
#32
keshuaixu
closed
2 years ago
0
add tvs diode to both sides of 6.6v output
#31
keshuaixu
closed
3 years ago
0
48v power supply does not tolerate continuous short. Add fuse before TVS or use something else.
#30
keshuaixu
closed
3 years ago
0
Thermal gap filler: Use silicone elastomer instead of phase change material
#29
keshuaixu
closed
3 years ago
0
DRV 8432 footprint needs more spacing between pads
#28
keshuaixu
closed
2 years ago
0
ADC SDO probably needs source termination
#27
keshuaixu
closed
3 years ago
1
FPGA hot
#26
keshuaixu
closed
3 years ago
1
board specific problems
#25
keshuaixu
closed
3 years ago
0
shopping cart
#24
keshuaixu
closed
3 years ago
1
BOM resistor values
#23
keshuaixu
closed
2 years ago
0
add 48V TVS diode
#22
keshuaixu
closed
3 years ago
0
dimmer LED
#21
keshuaixu
closed
3 years ago
0
fix bom - missing parts
#20
keshuaixu
closed
3 years ago
0
tent the vias
#19
keshuaixu
closed
2 years ago
0
output caps and inductors
#18
keshuaixu
closed
3 years ago
0
ws2812 for front panel?
#17
keshuaixu
closed
3 years ago
0
change VM and GVDD caps to 1uf/100V X7R
#16
keshuaixu
closed
3 years ago
0
test point for power
#15
keshuaixu
closed
3 years ago
0
Use a miniature RF connector (u.fl?) for current test point
#14
keshuaixu
closed
3 years ago
0
Analog power is noisy
#13
keshuaixu
closed
3 years ago
0
add screw holes near sil pad
#12
keshuaixu
closed
3 years ago
0
Current sense accuracy
#11
keshuaixu
closed
3 years ago
0
Add ground pad near current amp test point
#10
keshuaixu
closed
3 years ago
0
Use stronger AA filter
#9
keshuaixu
closed
2 years ago
4
Hamid’s feedback
#8
keshuaixu
closed
3 years ago
0
DRV8412 Mode pins incorrectly configured
#7
keshuaixu
closed
3 years ago
0
increase package size for AD4008 ref cap
#6
keshuaixu
closed
3 years ago
0
do not put paste on test points
#5
keshuaixu
closed
3 years ago
0
Soldermask opening on the top for PTH inductors
#4
keshuaixu
closed
3 years ago
0
Increase spacing between ferrite beads to prevent shorting
#3
keshuaixu
closed
3 years ago
0
AD4008 footprint needs more spacing between pins for soldermask
#2
keshuaixu
closed
3 years ago
1
C9 and C40 need to be larger to use X7R
#1
keshuaixu
closed
3 years ago
0