TA8440HQ TOSHIBA [Toshiba Semiconductor], TA8440HQ Datasheet

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TA8440HQ

Manufacturer Part Number
TA8440HQ
Description
Full-bridge Driver (H-Switch) for DC Motor (Driver for Switching between Forward and Reverse Rotation)
Manufacturer
TOSHIBA [Toshiba Semiconductor]
Datasheet

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TA8440HQ
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TA8440HQ
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DC MOTOR FULL BRIDGE DRIVER
F TYPE: UNDER DEVELOPMENT
The TA8440H is a full−bridge driver for selecting the forward and
reverse running of a motor with brushes and is able to control 4
modes of forward, reverse, stop and braking.
The motor driving unit and the control unit have a separate power
supply line, independently and the TA8440H is also usable as a
stepping motor driver.
FEATURES
l Output current is as large as 1.5A (AVE) and 3.0A (PEAK).
l 4 modes of forward, reverse, stop, and braking are available
l Thermal shutdown circuit incorporated.
l Input is compatible with CMOS.
l Built−in input pull−up resistor.
l Built−in input pull−down resistor. IN, ENABLE = 100 kΩ (Typ.)
BLOCK DIAGRAM
and a counter−electromotive force absorbing diode has been
built−in.
TA8440F: 3, 6, 8, 10, 11, 12, 19, 20 pin is No Connection.
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA8440H,TA8440F
BRAKE = 200 kΩ (Typ.)
1
Weight
HZIP12-P-1.78B: 4.04 g (Typ.)
HSOP20-P-450-1.00: 0.79 g (Typ.)
TA8440H
TA8440F (Under development)
TA8440H/TA8440F
TA8440H/F
2001-08-29

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TA8440HQ Summary of contents

Page 1

TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA8440H,TA8440F DC MOTOR FULL BRIDGE DRIVER F TYPE: UNDER DEVELOPMENT The TA8440H is a full−bridge driver for selecting the forward and reverse running of a motor with brushes and is able to control ...

Page 2

PIN FUNCTION Pin No. SYMBOL ENABLE ENABLE terminal Forward rotation / reverse rotation switch terminal 3 5 BRAKE BRAKE terminal 4 FIN SG Signal GND 5 7 CHOP PWM signal input terminal 6 ...

Page 3

ELECTRICAL CHARACTERISTICS CHARACTERISTIC High Input Voltage Low Input Current High Input Current Low Current Consumption (I) Current Consumption (II) Upper Side Under Side Output saturation voltage Upper Side Under Side Diode Forward Upper Side Orientation Under Side Voltage Upper Side ...

Page 4

TEST CIRCUIT (H), TEST CIRCUIT 2. I CC1 (L) IN ( CC2 CC3 TA8440H/F 2001-08-29 ...

Page 5

TEST CIRCUIT 3. V sat−L Note: Calibrate I to 1 OUT TEST CIRCUIT sat− TA8440H/F 2001-08-29 ...

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APPLICATION CIRCUIT Note 1: Schottky diode (2GWJ42 connected additionally between each output (pin 23) and GND for preventing Punch−Through Current. Note 2: Utmost care is necessary in the design of the output ...

Page 7

PACKAGE DIMENSIONS HZIP12−P−1.78B Weight: 4.04 g (Typ.) 7 TA8440H/F Unit: mm 2001-08-29 ...

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PACKAGE DIMENSIONS Weight: 0.79 g (Typ.) 8 TA8440H/F 2001-08-29 ...

Page 9

RESTRICTIONS ON PRODUCT USE · 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 ...

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