TA8470AFG TOSHIBA Semiconductor CORPORATION, TA8470AFG Datasheet

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TA8470AFG

Manufacturer Part Number
TA8470AFG
Description
3 Phase Full Wave Brushless Dc Motor Driver Ic
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
3 PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC
TA8470AF/AFG is a low-noise type 3 Phase Bi-direction Motor
Driver IC, developed as a 3 Phase Hall motor driver for VTRs
(capstan, cylinder), etc.
FEATURES
Operating Voltage Range : V
Output Current
Three Phase Bi-direction, current control mode
Low Noise (Quasi Sinusoidal Drive)
Built-in FG Amplifier
Low Output Impedance with B Class Push-Pull Driver,
Capable of Short Brakes (Dumping Brakes)
Position Detecting Circuit (Hall Input) with High Sensitivity
Enclosed in Space-saving Power Flat Package
Built-in Thermal Shutdown Circuit
TA8470AFG:
The TA8470AFG is a Pb-free product.
The following conditions apply to solderability:
*Solderability
1.
2.
Use of Sn-37Pb solder bath
*solder bath temperature = 230°C
*dipping time = 5 seconds
*number of times = once
*use of R-type flux
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
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
: V
: I
O
H
CC
TA8470AF/AFG
(MAX.) = 1.2 A
= 50 mV
= 7~17 V
p−p
1
Weight : 0.79 g (Typ.)
TA8470AF/AFG
2006-3-2

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TA8470AFG Summary of contents

Page 1

... Position Detecting Circuit (Hall Input) with High Sensitivity : V H Enclosed in Space-saving Power Flat Package Built-in Thermal Shutdown Circuit TA8470AFG: The TA8470AFG is a Pb-free product. The following conditions apply to solderability: *Solderability 1. Use of Sn-37Pb solder bath *solder bath temperature = 230°C *dipping time = 5 seconds ...

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BLOCK DIAGRAM FUNCTION − MODE FRS CCW Standby M Brake ― Note: Low-impedance Mode V OUTPUT − ...

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TA8470AF/AFG 2006-3-2 ...

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Control input circuit In the case of output current feedback to the motor, connect feedback resistance pin (8). F The feedback amount can be adjusted by connecting a resistor between pin (10) and (8) pin. ...

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FG amplifier and schmitt circuit The FG amplifier is stored with internal reference voltage (2.5 V), making it possible to directly input the FG signal from pattern FG. The Schmitt circuit stored within can output wave-shaped FG signals. FGO ...

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FRS section Voltage applied to FRS pin (15) makes it possible to select forward, reverse, and stop modes. For the relationships between FRS, control input, and output, refer to the item on these functions. The relationship between input voltage ...

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ABSOLUTE MAXIMUM RATINGS CHARACTERISTIC Supply Voltage Output Current FG Output Current Power Dissipation Operating Temperature Storage Temperature Note 1: Without heat sink Note 2: 50 × 50 × board mounting Note 3: Infinite heat sink mounting (Ta ...

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ELECTRICAL CHARACTERISTICS CHARACTERISTIC Supply Current Input Voltage Range Control Output Voltage Speed Gain Control Circuit Input Current Internal Reference Voltage 1 Common Mode Inoput Voltage Range Position Detecting Input Current Circuit Input Voltage Gain Upper Side Saturation Voltage Lower Side ...

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CHARACTERISTICS OF OUTPUT AMP SATURATION VOLTAGE 9 TA8470AF/AFG 2006-3-2 ...

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TEST CIRCUIT 1 TEST CIRCUIT 2 TEST CIRCUIT 3 10 TA8470AF/AFG 2006-3-2 ...

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TEST CIRCUIT 4 TEST CIRCUIT 5 TEST CIRCUIT 6 11 TA8470AF/AFG 2006-3-2 ...

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APPLICATION CIRCUIT Note 1: All output currents flow into R Care should be taken not to have common impedance among other GND lines, either, in making pattern designs (especially for Hall Sensor GND line). Note 2: Utmost care is necessary ...

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PACKAGE DIMENSIONS HSOP20−P−450−1.00 Weight : 0.79 g (Typ.) 13 TA8470AF/AFG Unit : mm 2006-3-2 ...

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Notes on Contents 1. Block Diagrams Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purposes. 2. Equivalent Circuits The equivalent circuit diagrams may be simplified or some parts of ...

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Points to remember on handling of ICs (1) Thermal Shutdown Circuit Thermal shutdown circuits do not necessarily protect ICs under all circumstances. If the thermal shutdown circuits operate against the over temperature, clear the heat generation status immediately. Depending on ...

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TA8470AF/AFG 2006-3-2 ...

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