Pin Function Grouping

flux

Yes — for a motor driver like this, the cleanest way is to put each pin in exactly one functional group, with no duplicates. That matches the recommended grouping rule for non-MCU ICs: group by function such as Power, Ground, Input, Output, and Control
Pin groups

Table

GroupPins
PowerVCC (20), VM1 (24), VM2 (13), VM3 (14)
GroundGND (18), PGND1 (3, 4), PGND2 (9, 10)
Control / Logic InputsSTBY (19), PWMA (23), PWMB (15), AIN1 (21), AIN2 (22), BIN1 (17), BIN2 (16)
Motor Outputs - Channel AAO1 (1, 2), AO2 (5, 6)
Motor Outputs - Channel BBO1 (11, 12), BO2 (7, 8)
Same data as a flat pin map

Table

PinNameGroup
1AO1Motor Outputs - Channel A
2AO1Motor Outputs - Channel A
3PGND1Ground
4PGND1Ground
5AO2Motor Outputs - Channel A
6AO2Motor Outputs - Channel A
7BO2Motor Outputs - Channel B
8BO2Motor Outputs - Channel B
9PGND2Ground
10PGND2Ground
11BO1Motor Outputs - Channel B
12BO1Motor Outputs - Channel B
13VMPower
14VMPower
15PWMBControl / Logic Inputs
16BIN2Control / Logic Inputs
17BIN1Control / Logic Inputs
18GNDGround
19STBYControl / Logic Inputs
20VCCPower
21AIN1Control / Logic Inputs
22AIN2Control / Logic Inputs
23PWMAControl / Logic Inputs
24VMPower
Recommended common-function names
If you want to normalize the names for the part symbol, I’d use:

Table

Common FunctionPins
PowerVCC, VM1, VM2, VM3
GroundGND, PGND1, PGND1, PGND2, PGND2
InputAIN1, AIN2, BIN1, BIN2
PWM ControlPWMA, PWMB
Standby ControlSTBY
Output AAO1, AO1, AO2, AO2
Output BBO1, BO1, BO2, BO2
If you want, I can next turn this into exact Flux Section and Pin Group values for every terminal so you can apply it directly.
Group the pins
Use function names
Flag ambiguous pins
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Files

Pins

Symbol

Layout

3D View

Name
Pin #
Type
Part Type
Pin Orientation
Section
Terminal Order
Terminal Type
AO1@1
1
Unspecified
Terminal
Motor Outputs - Channel A
30
output
AO1@2
2
Unspecified
Terminal
Motor Outputs - Channel A
30
output
PGND1@1
3
Unspecified
Terminal
GND
100
passive
PGND1@2
4
Unspecified
Terminal
GND
100
passive
AO2@1
5
Unspecified
Terminal
Motor Outputs - Channel A
30
output
AO2@2
6
Unspecified
Terminal
Motor Outputs - Channel A
30
output
BO2@1
7
Unspecified
Terminal
Motor Outputs - Channel B
50
output
BO2@2
8
Unspecified
Terminal
Motor Outputs - Channel B
50
output
PGND2@1
9
Unspecified
Terminal
GND
100
passive
PGND2@2
10
Unspecified
Terminal
GND
100
passive
BO1@1
11
Unspecified
Terminal
Motor Outputs - Channel B
50
output
BO1@2
12
Unspecified
Terminal
Motor Outputs - Channel B
50
output
VM2
13
Unspecified
Terminal
Top
Power
10
powerIn
VM3
14
Unspecified
Terminal
Top
Power
10
powerIn
PWMB
15
Unspecified
Terminal
Control
20
INPUT
BIN2
16
Unspecified
Terminal
Control
20
INPUT
BIN1
17
Unspecified
Terminal
Control
20
INPUT
GND
18
Unspecified
Terminal
GND
100
passive
STBY
19
Unspecified
Terminal
Control
20
INPUT
VCC
20
Unspecified
Terminal
Top
Power
10
powerIn
AIN1
21
Unspecified
Terminal
Control
20
INPUT
AIN2
22
Unspecified
Terminal
Control
20
INPUT
PWMA
23
Unspecified
Terminal
Control
20
INPUT

TB6612FNG,C,8,EL