TA7291AP TOSHIBA [Toshiba Semiconductor], TA7291AP Datasheet

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TA7291AP

Manufacturer Part Number
TA7291AP
Description
Full-Bridge Driver for DC Motors (driver for controlling the forward and reverse rotations)
Manufacturer
TOSHIBA [Toshiba Semiconductor]
Datasheet

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Part Number
Manufacturer
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Part Number:
TA7291AP
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
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
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 V
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.
Features
·
·
·
·
·
·
TA7291AP,TA7291AS(J),TA7291AF
Wide range of operating voltage: V
Output current: AP type 1.0 A (typ.) 2.0 A (peak)
Thermal shutdown and overcurrent protection
Flyback diodes
Hysteresis for all inputs
Standby mode available
ref
pin on the output side. This pin is available for
: AS (J)/AF type 0.4 A (typ.) 1.2 A (peak)
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
: V
: V
V
CC (opr.)
S (opr.)
ref (opr.)
ref
must be ≤ V
= 4.5 V to 27 V
= 4.5 V to 27 V
= 4.5 V to 27 V
S
.
1
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.)
TA7291AP
TA7291AS (J)
TA7291AF
TA7291AP/AS(J)/AF
2003-02-14

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TA7291AP Summary of contents

Page 1

... The TA7291AP/TA7291AS (J)/TA7291AF is a full-bridge driver to control the forward and reverse rotations. Each driver can select 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). ...

Page 2

... Supply voltage pin for Logic 6 15 Supply voltage pin for motor driver 8 5 Supply voltage pin for control 5 1 Ground pin 9 7 Input pin 1 9 Input pin 7 4 Output pin 3 13 Output pin 2 TA7291AP/AS(J)/AF 8/6/ OUT1 2/7/4 M 10/3/13 OUT2 TA7291AP/TA7291AS (J)/TA7291AF Function Description 2003-02-14 ...

Page 3

... I O (peak) 1.2 1 (typ.) 0.4 12.5 P 0.95 D 1.4 T − opr T −55 to 150 stg = 4 (opr 4 (opr ref (opr.) V ≤ V ref S 3 TA7291AP/AS(J)/AF Mode Stop CW/CCW CCW/CW Brake Unit (Note 1) W (Note 2) (Note 3) °C °C 2003-02-14 ...

Page 4

... A, CW/CCW mode -GND measure ref OUT I = 1.0 A, CW/CCW mode ¾ ¾ 5 ¾ ¾ Source mode 2 V ref ref 4 TA7291AP/AS(J)/AF Min Typ. Max Unit ¾ 6.0 11.0 mA ¾ 8.0 13.0 ¾ ¾ ¾ 4.5 8.0 mA ¾ 6.5 10.0 3.5 ¾ 5.5 V GND ¾ ...

Page 5

... Note: The heat fin of the TA7291AF is connected to ground. Test Circuit IN1 IN2 IN ref IN1 V IN2 (max (min) Note: The heat fin of the TA7291AF is connected to ground CC3-1 CC3-2 7/2/11 4/8/5 5/9/7 TA7291AP/AS (J)/AF 6/1/9 1/5/1 GND 7/2/11 4/8/5 5/9/7 TA7291AP/AS (J)/AF 6/1/9 1/5/1 GND TA7291AP/TA7291AS (J)/TA7291AF 5 TA7291AP/AS(J)/AF 8/6/15 A 2/7/4 10/3/13 A 8/6/15 OUT1 2/7/4 10/3/13 OUT2 2003-02-14 ...

Page 6

... Note: The heat fin of the TA7291AF is connected to ground. Test Circuit U L-1 2 7/2/11 5/9/7 TA7291AP/AS (J)/AF 6/1 SAT U-1’ 2’ 3’ 4’ ref 7/2/11 4/8/5 8/6/15 5/9/7 TA7291AP/AS (J)/AF 6/1/9 1/5/1 GND V S 4/8/5 8/6/15 OUT1 2/7/4 10/3/13 OUT2 1/5/1 TA7291AP/TA7291AS (J)/TA7291AF V S 4/8/5 8/6/15 SW OUT1 2/7/4 10/3/13 OUT2 SW 1/5/1 6 TA7291AP/AS(J)/ OUT1 2/7/4 10/3/ OUT2 2003-02-14 ...

Page 7

... Pulse width t (s) TA7291AF (1) No heat sink (2) When mounted on a PCB (PCB area ´ ´ 1.8 mm, Cu area: 50% or more) 200 100 175 1 10 Pulse width t (s) 7 TA7291AP/AS(J)/AF t – Input pulse (s) (4) (3) (2) ( – ...

Page 8

... Resistor (V) ref TA7291AP V 3.2 2.4 1.6 0.8 0 2.0 0 0.4 Test circuit = 5 V 7/2/11 8/6/15 5/9/7 6/1 TA7291AP/AS(J)/AF – I (Lower) CE (SAT) OUT 0.8 1.2 1.6 2.0 I (A) OUT V – OUT ( ref = 5 Open 2/7/4 IN1 OUT1 V IN2 G V ref 1/5/1 4/8/5 The heat fin of the TA7291AF is connected to ground ...

Page 9

... Thermal Shutdown Circuit If the chip temperature exceeds a predetermined limit (about 170°C), the thermal shutdown circuit turns all the power transistors off. . (high (low) is applied 6/1/9 flows IN TA7291AP/TA7291AS (J)/TA7291AF voltage ref circuit. Then, ref (Q2) appears on the 0 ref pin. Otherwise, it ...

Page 10

... 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. (Note 1) 7/2/11 8/6/15 4/8/5 5/9/7 2/7/4 TA7291P/S/F 6/1/9 10/3/13 1/5/1 GND TA7291AP/TA7291AS (J)/TA7291AF ( lines and the ground line with great care TA7291AP/AS(J)/AF R1 (Note ...

Page 11

... Package Dimensions Weight: 2.47 g (typ.) TA7291AP/AS(J)/AF 11 2003-02-14 ...

Page 12

... Package Dimensions Weight: 0.92 g (typ.) TA7291AP/AS(J)/AF 12 2003-02-14 ...

Page 13

... Package Dimensions Weight: 0.50 g (typ.) TA7291AP/AS(J)/AF 13 2003-02-14 ...

Page 14

... 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. TA7291AP/AS(J)/AF 14 000707EBA 2003-02-14 ...

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