Data Sheet
TB6612FNG 
4 
2007-06-30 
H-SW Control Function 
I nput  Out put 
I N1 I N2 PWM STBY OUT1 OUT2 Mode
H H H/L H L L Short  brake
H H L H CCW
L H
L H L L Short  brake
H H H L CW
H L
L H L L Short  brake
L L H H
OFF
( Hi gh i mpedance) 
St op
H/ L H/ L H/ L L
OFF
( Hi gh i mpedance) 
St andby
H-SW Operating Description 
・To prevent penetrating current, dead time t2 and t4 is provided in switching to each mode in the IC. 
VM VM
VM
M 
VM
GND
<ON> 
 t5 
M 
VM 
GND 
<OFF> 
 t4 
M 
GND 
M 
GND
<Short brake> 
 t3 
M 
GND
<OFF> 
 t2 
<ON> 
   t1 
OUT2 
OUT1 
OUT1
OUT1
OUT1
OUT1
OUT2
OUT2
OUT2
OUT2
GND 
VM 
OUT1 
Voltage
 wave 
t1 
t2
t3
t5
t4










