FUNCTION TABLE (OUTPUT BLOCK CONNECTION)
VM
SW1
SW3
µPD16886
SW5
OUT1
LOAD1
OUT2
Forward
LOAD2
OUT3
Forward
SW2
SW4
SW6
GND
(Truth Table)
Input Signal
IN1
IN2
IN3
STB
Circuit Operation
Current Route
L
H
L
H
1 ch forward
L
L
H
H
1 ch reverse
VM → OUT1 → LOAD1 → OUT2 → GND
VM → OUT2 → LOAD1 → OUT1 → GND
L
H
H
H
1 ch brake
Only SW2 and SW4 are on
H
H
L
H
2 ch forward
H
L
H
H
2 ch reverse
VM → OUT2 → LOAD2 → OUT3 → GND
VM → OUT3 → LOAD2 → OUT2 → GND
H
H
H
H
2 ch brake
Only SW4 and SW6 are on
−
L
L
H
Stopped
SW1 to SW6 are all off
−
−
−
L
Standby
Charge pump circuit stopped
Unused switches (example: SW1 and SW2 at 2 ch driving) are high impedance.
CHARACTERISTICS CURVES
1.0
PT vs. TA characteristics
0.8
0.7 W
0.6
178˚C/W
0.4
0.2
0
–10 0
20 40 60 80 100 120
Operating ambient temperature TA (˚C)
Data Sheet S14844EJ2V0DS
5