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PDF TA7291ASJ Data sheet ( Hoja de datos )

Número de pieza TA7291ASJ
Descripción Full-Bridge Driver for DC Motors
Fabricantes Toshiba 
Logotipo Toshiba Logotipo



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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
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.
Features
· Wide range of operating voltage: VCC (opr.) = 4.5 V to 27 V
: VS (opr.) = 4.5 V to 27 V
: Vref (opr.) = 4.5 V to 27 V
Vref must be VS.
· 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
TA7291AP
TA7291AS (J)
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.)
1 2003-02-14

1 page




TA7291ASJ pdf
Test Circuit 1
ICC1-1, ICC1-2, ICC2-1,ICC2-2, ICC3-1, ICC3-2
TA7291AP/AS(J)/AF
7/2/11
SW1
SW2
VIN1
VIN2
5/9/7
6/1/9
4/8/5
TA7291AP/AS (J)/AF
1/5/1
GND
8/6/15
2/7/4
10/3/13
A
Note: The heat fin of the TA7291AF is connected to ground.
Test Circuit 2
VIN1, VIN2, IIN, Iref
A
SW3
7/2/11
4/8/5
8/6/15
SW1
VIN1
5/9/7
A
VIN2
SW2
6/1/9
5 V (max)
0 V (min)
TA7291AP/AS (J)/AF
1/5/1
GND
OUT1
2/7/4
10/3/13
OUT2
Note: The heat fin of the TA7291AF is connected to ground.
TA7291AP/TA7291AS (J)/TA7291AF
5 2003-02-14

5 Page





TA7291ASJ arduino
Package Dimensions
TA7291AP/AS(J)/AF
Weight: 2.47 g (typ.)
11 2003-02-14

11 Page







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