tb6642fg TOSHIBA Semiconductor CORPORATION, tb6642fg Datasheet - Page 12

• Manufacturer Part Number: tb6642fg
• Description: Full-bridge Dc Motor Driver Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

<OSC：Connecting to the capacitor>
OSC:GND
Note: The ISD circuit is activated if the absolute maximum current rating is violated. Note that the circuit is
Stop time setting signal
Predefined VISD value
Output current
ISD internal signal
Internal ISD signal
provided as an auxiliary only and does not necessarily provide the IC with a perfect protection from
damages due to overcurrent caused by power fault, ground fault, load-short and the like.
ALERT output
Output current
VISD setting value
ALERT output
OUT1, OUT2
OUT1, OUT2
OSC
IN1, IN2
H（Hi-Z）
H
H
H
H
L
L
L
L
L
H
L
0
Normal operation
0
T: Predefined TISD value
Normal operation
toff:OSC set value
ton: TISD set value
OFF (Hi-Z)
12
Normal operation
OFF (Hi-Z)
toff:OSC set value
ton: TISD set value
Normal operation
More than 1 s (typ.)
TB6642FG
2011-06-21