tb6592fl TOSHIBA Semiconductor CORPORATION, tb6592fl Datasheet - Page 3

• Manufacturer Part Number: tb6592fl
• Description: Dual-bridge Driver Ic For Dc Motors
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Input/Output Function
Operating Description
Note: Be sure to set the PWM pin to high if the PWM control function is not used.
IN1
H/L
H
H
L
L
OUT1
•
Output voltage waveform
PWM control function
Speed can be controlled by inputting the high-level or low-level PWM signal to the pin PWM.
When PWM control is provided, normal operation and short brake operation are repeated.
To prevent penetrating current, dead time (t2 and t4) is provided in the IC.
PWM ON
IN2
H/L
H
H
L
L
(OUT1)
M
t1
Input
OUT1
STBY
H
H
H
H
OUT2
L
PWM OFF → ON
(common for channel A and B)
t4 = 400 ns (typ.)
VM
GND
M
PWM
H
H
H
H
H
L
L
L
L
L
t1
OUT1
t2
OUT2
VM
GND
t3
PWM ON → OFF
t2 = 400 ns (typ.)
O1
H
L
L
L
L
t4
(high impedance)
(high impedance)
M
3
t5
OFF
OFF
OUT1
OUT2
VM
GND
O2
PWM ON
H
L
L
L
L
M
t5
Output
OUT1
V
GND
OUT2
M
VM
GND
PWM OFF
TB6592FL/FLG
Short brake
Short brake
Short brake
M
t3
CW/CCW
CCW/CW
Standby
Mode
Stop
OUT2
2006-3-6
VM
GND