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PDF TB6568KQ Data sheet ( Hoja de datos )

Número de pieza TB6568KQ
Descripción Full-Bridge DC Motor Driver IC
Fabricantes Toshiba Semiconductor 
Logotipo Toshiba Semiconductor Logotipo



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No Preview Available ! TB6568KQ Hoja de datos, Descripción, Manual

TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TB6568KQ
Full-Bridge DC Motor Driver IC
The TB6568KQ is a full-bridge DC motor driver IC employing
the MOS process for output power transistors.
The low ON-resistance MOS process and PWM control enables
driving DC motors with high thermal efficiency.
Four operating modes are selectable via IN1 and IN2: clockwise
(CW), counterclockwise (CCW), Short Brake and Stop.
Features
Power supply voltage: 50 V (max)
Output current: 3 A (max)
Output ON-resistance: 0.55 Ω (typ.)
PWM control
CW/CCW/Short Brake/Stop modes
Overcurrent shutdown circuit (ISD)
Overvoltage shutdown circuit (VSD)
Thermal shutdown circuit (TSD)
Undervoltage lockout circuit (UVLO)
Dead time for preventing shoot-through current
Weight: 2.2 g (typ.)
TB6568KQ
Note: The following conditions apply to solderability:
About solderability, following conditions were confirmed
(1) Use of Sn-37Pb solder Bath
solder bath temperature: 230°C
dipping time: 5 seconds
the number of times: once
use of R-type flux
(2) Use of Sn-3.0Ag-0.5Cu solder Bath
solder bath temperature: 245°C
dipping time: 5 seconds
the number of times: once
use of R-type flux
1
2009-08-11

1 page




TB6568KQ pdf
Thermal Performance Characteristics
14
12
10
(1)
8
PD – Ta
(1) With a heatsink (10°C/W):
Ta = 25°C, PD = 7.8 W
(2) No heatsink:
Ta = 25°C, PD = 1.25 W
*: With an infinite heatsink:
Rth (j-c) = 6°C/W
6
4
2 (2)
0
0 25 50 75 100 125 150
Ambient temperature Ta (°C)
TB6568KQ
Thermal Resistance
Pulse width t (s)
I/O Equivalent Circuits
The equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory
purposes.
Pin No.
I/O Signal
IN1 (1)
IN2 (2)
Digital input
L: 0.8 V (max)
H: 2 V (min)
I/O Internal Circuit
IN1 (IN2)
10 kΩ
(typ.)
OUT1 (3)
OUT2 (5)
GND (4)
VM (7)
Operating supply voltage range
VM = 10 to 45 V
5-V regulator
VM
OUT1 (OUT2)
GND
5 2009-08-11

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TB6568KQ arduino
TB6568KQ
7. Output Circuits
The switching characteristics of the output transistors provided to the OUT1 pin and OUT2 pin are as
follows:
Characteristic
tpLH
tpHL
tr
tf
Value
650 (typ.)
450 (typ.)
90 (typ.)
130 (typ.)
Unit
ns
PWM input
(IN1, IN2)
Output voltage
(OUT1, OUT2)
10%
tpLH
90%
50%
tpHL
90%
50%
10%
tr tf
11 2009-08-11

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