tb6642fg TOSHIBA Semiconductor CORPORATION, tb6642fg Datasheet - Page 6

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

I/O Equivalent Circuits
purposes.
The equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory
ALERT (1)
PWM (15)
VISD (13)
TISD (14)
OSC (2)
Pin No.
IN1 (3)
IN2 (5)
Digital input
L: 0.8 V (max)
H: 2 V (min)
Digital input
L: 0.8 V (max)
H: 2 V (min)
Open-drain output
An externally attached pull-up resistor enalbes
the High output.
H (High-impedance):
L: Normal operation
The pin connects a capacitor for controlling
release of ISD, TSD
The pin connects a resistor controlling
overcurrent detection threshold.
The pin connects a resistor controlling
overcurrent detection time.
Abnormal operation (When the UVLO, TSD,
VSD and/or ISD is activated)
I/O Signal
6
IN1 (IN2)
PWM
I/O Internal Circuit
ALERT
10 k
(typ.)
VISD
TISD
OSC
TB6642FG
2011-06-21