tb6642fg TOSHIBA Semiconductor CORPORATION, tb6642fg Datasheet - Page 5

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

Electrical Characteristics
Thermal Performance Characteristics
Power supply current
Control circuit
IN1 pin,
IN2 pin,
PWM pin
PWM frequency
PWM minimum pulse width
OUT1 pin,
OUT2 pin
ALERT pin
OSC charge/discharge current
1.5
1.0
0.5
0
0
Characteristics
(1)
(2)
25
Ambient Temperature T
Input voltage
Hysteresis voltage
Input current
Output ON resistance
Output leakage
current
Diode forward voltage
Output fall time
voltage
Output leakage
current
50
P
(1) On the PCB
(2) IC only: R th (j-a) = 140°C/W,
D
75
– T
(60  30  1.6 (mm),
Cu: more than 50%:
R th (j-a) = 89.3°C /W,
Pd = 1.4 W when Ta = 25°C
P D = 0.89 W when Ta = 25°C.
a
100
(unless otherwise specified, T
a
R
f
(°C)
V
PWM (TW)
V
ON (U  L)
Symbol
I
125
IN (HYS)
V
AL (LE)
f
V
AL (LO)
V
I
I
I
I
I
V
I
PWM
I
I
L (U)
OSC
CC1
CC2
CC3
L (L)
F (U)
INH
F (L)
INL
INH
INL
150
Stop mode
CW/CCW mode
Short Brake mode
V
V
Duty: 50 %
(given as a guide only)
I
VM = 50 V, V
VM = V
I
I
I
V
O
O
O
ALERT
IN
IN
ALERT
= 3 A
= 3 A
= 3 A
= 5 V
= 0 V
5
OUT
= 1 mA
= 5.5 V
= 50 V
Test Condition
OUT
= 0 V
Thermal Resistance (rth) – Pulse Width (t)
a
IC only
On the PCB
(60  30  1.6 (mm),
Cu: more than 50%)
= 25°C, VM = 24 V)
Input width
Min
4.5








2





2
0
1
Input Pulse
Typ.
0.55
100
0.4
1.3
1.3
50








3
3
3
9
TB6642FG
2011-06-21
13.5
Max
5.5
0.8
0.9
1.7
1.7
0.4
75




8
8
8
5
2
2
Unit
kHz
mA
A
A
A
A
s

V
V
V