Table 3.
Test points
Name
Pin
Label
Description
TP1
-
TP1
W phase high side gate
TP2
-
OUT3
W phase
TP3
-
TP3
RES3
TP4
-
TP4
RES2
TP5
-
TP5
W phase low side gate
TP6
-
TP6
RES1
TP7
-
TP7
SENSE
TP8
-
TP8
PB4 MCU GPIO
TP9
-
TP9
V phase high side gate
TP10
-
TP10
V phase
TP11
-
TP11
V phase low side gate
TP12
-
TP12
SENSE
TP13
-
TP13
Speed set point
TP14
-
GND
GND – signal ground
TP15
-
PGND
PGND – power ground
TP16
-
TP16
PB5 GPIO
TP17
-
OD
OD – Smart SD Open Drain output, unlatch and restart input
TP18
-
TP18
U phase high side gate
TP19
-
TP19
U phase
TP20
-
TP20
U phase low side gate
TP21
-
TP21
SENSE
TP22
-
TP22
CIN – comparator positive input
UM2772
Hardware description and configuration
UM2772
-
Rev 1
page 9/28