TA7291ASG(J) [TOSHIBA]
IC,MOTOR CONTROLLER,BIPOLAR,SIP,9PIN;
| 型号： | TA7291ASG(J) |
| 厂家： | 
TOSHIBA |
| 描述： | IC,MOTOR CONTROLLER,BIPOLAR,SIP,9PIN 驱动器 |
| 文件： | 总14页 (文件大小：313K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TA7291AP/AS(J)/AF
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA7291AP,TA7291AS(J),TA7291AF
Full-Bridge Driver for DC Motors (driver for controlling the forward and reverse rotations)
The TA7291AP/TA7291AS (J)/TA7291AF is a full-bridge driver to
control the forward and reverse rotations. Each driver can select
TA7291AP
one of four modes: CW, CCW, stop, brake.
The TA7291AP is designed to provide output currents of 1.0 A (typ.)
and 2.0 A (peak). The TA7291AS (J)/TA7291AF is designed to
provide output currents of 0.4 A (typ.) and 1.2 A (peak).
There are two different power supply pins for each driver: one on
the output side and the other on the control side of the driver. Also,
there is the Vref pin on the output side. This pin is available for
adjusting the voltage supplied to the motor.
The input circuit of the driver is compatible with CMOS logic
because it draws a small amount of input current.
TA7291AS (J)
Features
·
Wide range of operating voltage: V
= 4.5 V to 27 V
CC (opr.)
: V
: V
V
= 4.5 V to 27 V
S (opr.)
ref (opr.)
ref
= 4.5 V to 27 V
S
must be ≤ V .
·
Output current: AP type 1.0 A (typ.) 2.0 A (peak)
: AS (J)/AF type 0.4 A (typ.) 1.2 A (peak)
Thermal shutdown and overcurrent protection
Flyback diodes
Hysteresis for all inputs
Standby mode available
TA7291AF
·
·
·
·
Weight
HSIP10-P-2.54: 2.47 g (typ.)
SIP9-P-2.54A: 0.92 g (typ.)
HSOP16-P-300-1.00: 0.50 g (typ.)
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2003-02-14
TA7291AP/AS(J)/AF
Block Diagram
V
V
ref
CC
7/2/11 4/8/5
8/6/15
V
S
REG
OUT1
2/7/4
M
Protection
circuit
(TSD)
10/3/13
OUT2
5/9/7
6/1/9
1/5/1
GND
IN1
IN2
TA7291AP/TA7291AS (J)/TA7291AF
Function Description
Pin Function
Pin No.
Symbol
AP
7
AS (J)
AF
11
15
5
V
2
6
8
5
9
1
7
3
Supply voltage pin for Logic
Supply voltage pin for motor driver
Supply voltage pin for control
Ground pin
CC
V
8
S
V
4
ref
GND
IN1
1
1
5
7
Input pin
IN2
6
9
Input pin
OUT1
OUT2
2
4
Output pin
10
13
Output pin
AP type: Pin 3 and 9 are NC.
AS (J) type: Pin 4 is NC.
AF type: Pin 2, 3, 6, 8, 10, 12, 14, and 16 are NC.
For F type, we recommend the fin be connected to ground.
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2003-02-14
TA7291AP/AS(J)/AF
Function
Input
Output
Mode
IN1
0
IN2
0
OUT1
OUT2
∞
H
L
∞
Stop
1
0
L
CW/CCW
CCW/CW
Brake
0
1
H
L
1
1
L
∞:
High impedance
Note: Inputs are all active high.
Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Unit
V
V
30
27
CC
Supply voltage
V
CC (opr.)
V
30
S
Motor drive voltage
Reference voltage
V
V
V
27
S (opr.)
V
30
ref
V
27
ref (opr.)
AP type
Peak
2.0
1.2
1.0
0.4
I
O (peak)
AS (J)/AF type
Output
A
current
ＡP type
Typ.
I
O (typ.)
ＡS(J)/AF type
AP type
12.5 (Note 1)
0.95 (Note 2)
Power dissipation
P
D
W
AS (J) type
AF type
1.4
(Note 3)
Operating temperature
Storage temperature
T
−30 to 75
−55 to 150
°C
°C
opr
T
stg
Note 1: Tc = 25°C
Note 2: No heat sink
Note 3: When mounted on a PCB (PCB area: 60 mm ´ 30 mm ´ 1.6 mm, Cu area: 50% or more)
Wide range of operating voltage: V
= 4.5 V to 27 V
CC (opr.)
V
V
V
= 4.5 V to 27 V
S (opr.)
ref (opr.)
ref
= 4.5 V to 27 V
≤ V
S
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2003-02-14
TA7291AP/AS(J)/AF
Electrical Characteristics (Ta = 25°C, V = 5 V, V = 24 V)
CC
S
Test
Characteristics
Symbol
Test Condition
Min
¾
¾
¾
¾
¾
¾
Typ.
6.0
8.0
0
Max
11.0
13.0
50
Unit
mA
Circuit
I
I
I
I
I
I
Output OFF, CW/CCW mode
Output OFF, CW/CCW mode,
CC1-1
CC1-2
CC2-1
CC2-2
CC3-1
CC3-2
V
= 24 V
CC
Output OFF, Stop mode
Output OFF, Stop mode,
Supply current
1
2
mA
0
50
V
= 24 V
CC
Output OFF, Brake mode
Output OFF, Brake mode,
4.5
6.5
8.0
mA
10.0
V
= 24 V
CC
Input
1 (High)
2 (Low)
V
IN1
V
IN2
I
IN
3.5
GND
¾
¾
¾
3
5.5
0.8
10
T = 25°C
j
V
operating
voltage
Input current
V
V
= 3.5 V, Sink mode
mA
IN
Upper
side
= V , V
-V measure
OUT S
ref
S
V
¾
¾
0.9
0.8
1.0
0.9
1.3
1.2
11.2
10.9
11.0
10.7
¾
1.2
1.2
1.35
1.35
1.8
1.85
¾
SAT U-1
I
= 0.2 A, CW/CCW mode
O
AP/AS (J)/
AF type
Lower
side
V
= V , V
-GND measure
OUT
ref
S
V
SAT L-1
SAT U-2
I
= 0.2 A, CW/CCW mode
O
Upper
side
V
= V , V
-V measure
OUT S
ref
S
V
¾
I
= 0.4 A, CW/CCW mode
O
Saturation AS (J)/AF
3
V
voltage
type
Lower
side
V
= V , V
-GND measure
OUT
ref
S
V
¾
SAT L-2
I
= 0.4 A, CW/CCW mode
O
Upper
side
V
= V , V
-V measure
OUT S
ref
S
V
¾
SAT U-3
I
= 1.0 A, CW/CCW mode
O
AP type
Lower
side
V
= V , V
-GND measure
OUT
ref
S
V
¾
SAT L-3
I
= 1.0 A, CW / CCW mode
O
V
: 10 V, V
-GND measure
OUT
ref
V
V
V
V
¾
SAT U-1’
SAT U-2’
SAT U-3’
SAT U-4’
I
= 0.2 A, CW / CCW mode
O
AS (J)/AF type
AP type
V
: 10 V, V
-GND measure
OUT
ref
Output
voltage
(upper
side)
10.4
¾
12.2
¾
I
= 0.4 A, CW/CCW mode
O
3
V
V
: 10 V, V
-GND measure
OUT
ref
I
= 0.5 A, CW/CCW mode
O
V
: 10 V, V
-GND measure
OUT
ref
10.2
¾
12.0
50
I
= 1.0 A, CW/CCW mode
O
Upper
V
V
= 30 V
I
L
L
L U
side
Leakage current
mA
4
Lower
side
I
= 30 V
¾
¾
50
L L
AS (J)/AF Upper
V
V
V
V
¾
¾
1.5
2.5
0.9
¾
F U-1
F U-2
F L-1
F L-2
type
side
Lower
side
AP type
¾
¾
¾
Diode
forward
voltage
5
2
V
AS (J)/AF Upper
¾
¾
¾
type
side
Lower
side
AP type
¾
¾
¾
1.2
¾
Reference current
I
V
= 10 V, Source mode
¾
40
mA
ref
ref
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2003-02-14
TA7291AP/AS(J)/AF
Test Circuit 1
I
, I
, I
,I
, I
, I
CC1-1 CC1-2 CC2-1 CC2-2 CC3-1 CC3-2
7/2/11
4/8/5
8/6/15
A
V
V
IN1
IN2
5/9/7
6/1/9
2/7/4
SW
SW
1
2
TA7291AP/AS (J)/AF
10/3/13
1/5/1
GND
Note: The heat fin of the TA7291AF is connected to ground.
Test Circuit 2
V
IN1
, V , I , I
IN2 IN ref
A
SW
3
7/2/11
4/8/5
8/6/15
SW
1
OUT1
5/9/7
6/1/9
2/7/4
TA7291AP/AS (J)/AF
V
IN1
IN2
V
10/3/13
A
OUT2
SW
2
1/5/1
GND
5 V (max)
0 V (min)
TA7291AP/TA7291AS (J)/TA7291AF
Note: The heat fin of the TA7291AF is connected to ground.
5
2003-02-14
TA7291AP/AS(J)/AF
Test Circuit 3.
, ,
V
V , ,
SAT L-1 2 3
V , , ,
SAT U-1’ 2’ 3’ 4’
SAT U-1 2 3
SW
4
V
V
V
S
ref
7/2/11
4/8/5
8/6/15
OUT1
2/7/4
V
V
IN1
IN2
SW
5/9/7
6/1/9
1
2
TA7291AP/AS (J)/AF
10/3/13
SW
3
SW
OUT2
1/5/1
GND
V
Note 1: I
calibration is required to adjust specified values of test conditions by R .
L
OUT
OUT
(I
= 0.2 A/0.4 A/0.5 A/1.0 A)
Note 2: The heat fin of the TA7291AF is connected to ground.
Test Circuit 4.
I
, L
LU
V
S
A
7/2/11
4/8/5
TA7291AP/AS (J)/AF
1/5/1
8/6/15
OUT1
2/7/4
5/9/7
6/1/9
10/3/13
OUT2
A
TA7291AP/TA7291AS (J)/TA7291AF
Note: The heat fin of the TA7291AF is connected to ground.
Test Circuit 5.
V
,
V
,
F U-1 2
F L-1 2
V
S
V
7/2/11
4/8/5
8/6/15
SW
1
OUT1
2/7/4
5/9/7
6/1/9
TA7291AP/AS (J)/AF
10/3/13
OUT2
SW
2
1/5/1
V
6
2003-02-14
TA7291AP/AS(J)/AF
TA7291AP
TA7291AP
P
– Ta
t – R
th
D
15
10
5
(1) Infinite heat sink
(1) Infinite heat sink
Input pulse
(2) 80 cm2 ´ 2 mm Al heat sink
(3) 25 cm2 ´ 2 mm Al heat sink
(4) No heat sink
(2) 80 cm2 ´ 2 mm Al
(1)
(2)
P
W
Heat sink (q
HS
= 6°C/W)
(3) 15 cm2 ´ 2 mm Al
t (s)
Heat sink (q = 20°C/W)
HS
(4) No heat sink
= 65°C/W
100
50
30
(4)
(3)
q
j-a
(2)
(1)
(3)
(4)
10
5
3
0
1
2
1
-
-
0
50
100
150
200
175
175
10
10
1
10
t
102
103
Ambient temperature Ta (°C)
Pulse width
(s)
TA7291AS (J)
TA7291AS (J)
P
– Ta
t – R
D
th
2.0
1.6
1000
No heat sink
= 130°C/W
No heat sink
500
300
q
j-a
100
1.2
0.8
0.4
50
30
Input pulse
10
P
W
5
3
t (s)
0
1
0
25
50
75
100
125
150
0.1
1
10
100
1000
Ambient temperature Ta (°C)
Pulse width
t
(s)
TA7291AF
TA7291AF
P
– Ta
t – R
D
th
2.0
1.6
(1) No heat sink
(2) When mounted on a PCB
(1) When mounted on a PCB
(PCB area: 60 mm ´ 30 mm ´
1.6 mm, Cu area: 50% or more)
Input pulsPe
W
(PCB area: 60 mm ´ 30 mm ´ 1.8
(2) No heat sink
(1)
mm, Cu area: 50% or more)
t (s)
q
j-a
= 140°C/W
200
100
1.2
0.8
0.4
(1)
(2)
(2)
50
30
0
10
0
25
50
75
100
125
150
1
10
100
(s)
1000
Ambient temperature Ta (°C)
Pulse width
t
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2003-02-14
TA7291AP/AS(J)/AF
TA7291AP
TA7291AP
V
– I
(Upper)
V
– I
(Lower)
OUT
CE (SAT)
OUT
CE (SAT)
3.2
2.4
1.6
0.8
0
3.2
2.4
1.6
0.8
0
0
0.4
0.8
1.2
(A)
1.6
2.0
0
0.4
0.8
1.2
(A)
1.6
2.0
I
I
OUT
OUT
V
– V
V
– V
OUT (H)
ref
OUT (H)
S
V
V
= 8.0 V
= 5.0 V
ref
CC
Test circuit
Test circuit
V
V
= 12 V
CC
S
= 5 V
7/2/11 8/6/15
7/2/11 8/6/15
CC
Open
Open
V
V
V
V
S
CC
S
5/9/7
6/1/9
2/7/4
5/9/7
6/1/9
2/7/4
IN1
OUT1
IN1
OUT1
V
V
IN2
IN2
G
V
G
V
ref
ref
1/5/1
4/8/5
1/5/1
4/8/5
The heat fin of the TA7291AF
is connected to ground.
The heat fin of the TA7291AF
is connected to ground.
12
10
8
10
9
Output open
Output open
Resistor 40 W
Resistor 10 W
Resistor 40 W
Resistor 10 W
6
8
4
7
2
0
6
0
2
4
6
8
10
12
8
9
10
11
12
V
(V)
V
(V)
ref
S
8
2003-02-14
TA7291AP/AS(J)/AF
Notes
·
Power On/Off
At power on, V
must be applied simultaneously or before V . At power off, V
must be removed
CC
S
CC
simultaneously or after V .
S
·
Input Circuit
V
standby
CC
A logic high on the V pin activates the input
IN
circuit as shown in the figure.
V
When a voltage greater than or equal to V (high)
IN
IN
1 kW
V
IN
is applied to the pin, the circuit is active. When a
5/9/7
voltage less than or equal to V (low) is applied to
IN
the pin or the pin is grounded, the circuit is
inactive.
or
6/1/9
When the pin is high, the input current I flows
IN
5 kW
into the input circuit. So, be careful about the
output impedance of the first stage.
The input hysteresis is 0.7 V (typ.). At power on
(V ), set both input pins IN1 and IN2 to low.
CC
1/5/1
TA7291AP/TA7291AS (J)/TA7291AF
·
Output Circuit
8/6/15
Output high voltage
Q
1
Q
2
· Operation based on the V voltage
ref
or 10/3/13
A
The V voltage is increased by twice the value
ref
V
OUT
2/7/4
4/8/5
of VBE (small signal) in the V circuit. Then,
ref
V
ref
circuit
V
ref
the voltage is applied to the base A of Q2 (power
transistor 2). As a result, the voltage which is
reduced by the value of VBE (Q2) appears on the
V
OUT pin.
~
-
V
= V + 2V －V
Q
V
ref
+ 0.7 V
OUT
ref BE BE ( 2)
· V pin
ref
1/5/1
The V pin must not be left open when unused.
ref
In this case, connect it via a protection resistor
(3 kW or more) to the VS pin. Otherwise, it
might cause oscillation.
TA7291AP/TA7291AS (J)/TA7291AF
V
ref
must be £ V .
S
Protection Features
Overcurrent Protection Circuit
The overcurrent protection circuit detects a current flowing through the upper power transistor. If the
current exceeds a predetermined value (about 2.5 A), the circuit turns all the power transistors off.
However, it does not always prevent overcurrent. If an output pin is shorted or grounded, the IC might be
destroyed before operation of the overcurrent protection circuit. So, be sure to connect a resistor or fuse to
the power supply (V ) line. (See “Application Circuit.”)
S
Thermal Shutdown Circuit
If the chip temperature exceeds a predetermined limit (about 170°C), the thermal shutdown circuit turns
all the power transistors off.
9
2003-02-14
TA7291AP/AS(J)/AF
Application Circuit
R1 (Note 2)
V
S
V
CC
(Note 1)
R2 (Note 3)
7/2/11
8/6/15
4/8/5
IN1
IN2
5/9/7
6/1/9
2/7/4
TA7291P/S/F
M
10/3/13
1/5/1
GND
TA7291AP/TA7291AS (J)/TA7291AF
Note 1: Select the optimum value for the capacitor by experiment.
Note 2: Insert the current limiting resistor R1 to protect the IC from overcurrent.
Note 3: When V = V , insert the resistor R2 (3 kW or more) to protect the V pin from being damaged by a
ref ref
S
surge.
Note 4: The IC may be destroyed due to short circuit between output pins, an output pin and V , or an output pin
CC
(V , V , V ) lines and the ground line with great care.
and ground. Design the output line, V
CC
M
S
EE
Note
·
Shoot-through current occurs when the mode is switched. The driver must enter the stop mode for
approximately 100 ms before switching between CW and CCW modes, or CW/CCW and brake modes.
·
The proper IC functions are not guaranteed at power on/off. Before using the IC, check that any IC malfunctions
that are possible at power on/off will not cause a problem in the IC application.
10
2003-02-14
TA7291AP/AS(J)/AF
Package Dimensions
Weight: 2.47 g (typ.)
11
2003-02-14
TA7291AP/AS(J)/AF
Package Dimensions
Weight: 0.92 g (typ.)
12
2003-02-14
TA7291AP/AS(J)/AF
Package Dimensions
Weight: 0.50 g (typ.)
13
2003-02-14
TA7291AP/AS(J)/AF
RESTRICTIONS ON PRODUCT USE
000707EBA
· TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc..
· The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this
document shall be made at the customer’s own risk.
· The products described in this document are subject to the foreign exchange and foreign trade laws.
· The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other
rights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
· The information contained herein is subject to change without notice.
14
2003-02-14
相关型号：
TA7291ASJ
Full-Bridge Driver for DC Motors (driver for controlling the forward and reverse rotations)
TOSHIBA
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