TA7259F TOSHIBA [Toshiba Semiconductor], TA7259F Datasheet
TA7259F
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TA7259F Summary of contents
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... Bi-directional driver and output current up to ±1.2 A. Few external parts required. Surge-protect diode connected for all input terminals (position sensing, control CCW control inputs). The TA7259FG free product. The TA7259P is an Sn-plated product including Pb. The following conditions apply to solderability: *Solderability 1 ...
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... Fin Fin F/FG type: NO 14, 17 pins are no connection. TA7259P/TA7259F/FG Position sensing input SYMBOL FUNCTION DESCRIPTION H + b−phase Hall Amp. positive input terminal b H − b−phase Hall Amp. negative input terminal c−phase Hall Amp. positive input terminal c H − ...
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INPUT vs. OUTPUT V declares R voltage drop star-connection × Coil current Refer to the diagram below. When V and V pins short-circuit or when V IN+ IN- ...
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FUNCTION FRS POSITION SENSING INPUT (10 PIN Notes) ・ Position sensing input; “1”: Energizing +10mV or more ...
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Control signal input In the initial state of the TA7259P/F/FG, the control voltage is usually input either by an F/V inverter or such like, where the voltage is in proportion or inverse proportion to the number of rotations, or independently. ...
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Position sensing drive Both constant current drive and constant voltage drive are available because the same-phase voltage range of the position sensing device is wide. (Spec.: 2∼V We recommend use of the TOSHIBA THS series of Ga-As position sensing devices. ...
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... ABSOLUTE MAXIMUM RATINGS CHARACTERISTIC Supply Voltage Output Current TA7259P Power Dissipation TA7259F/FG Operating Temperature Storage Temperature Note: IC only. ELECTRICAL CHARACTERISTICS CHARACTERISTIC Quiescent Current Input Offset Voltage Residual Output Voltage Voltage Gain Upper Saturation Voltage Lower Upper Cut−off Current Lower Position Sensing Input Sensitivity ...
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Test circuit 1 Control input TA7259 Position P/F/FG sensing device Test circuit 2 Control input TA7259 P/F/FG Position sensing device (OFF in testing Icc) FRS input Testing upper Testing under 8 TA7259P/F/FG 2006-4-14 ...
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Notes on handling the IC Motor drive ICs are easily affected by parasitic vibration and unnecessary feedback. This is because the number of high impedance pins, such as position sensing inputs and control signal inputs, is large, and the output ...
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The drive current path of the position sensing device should be connected to the GND independently. It should be separated especially from the output current path. If there is a plunge in position sensing device, insert the condenser (0.05~1µF) ...
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Connecting condenser for output ringing absorption We recommend connecting a condenser between each coil and the GND for output ringing absorption . However, other methods below can be also applied to prevent oscillation and destruction. ⅰ) Changing capacity. ⅱ) ...
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Application circuit 1 Control signal input Position detection. Constant voltage/ constant current drive. (Constant current drive is shown in this figure.) ※ zenner diode should correspond to DC level of control signal input 2.5∼9V. ...
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... TA7259F/FG 13 TA7259P/F/FG TA7259P 2006-4-14 ...
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PACKAGE DIMENSIONS HDIP14−P−500−2.54A Weight: 3.00 g (Typ.) 14 TA7259P/F/FG Unit: mm 2006-4-14 ...
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HSOP20−P−450−1.00 Weight: 0.79 g (Typ.) 15 TA7259P/F/FG Unit: mm 2006-4-14 ...
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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) Heat Radiation Design In using an IC with large current flow such as a power amp, regulator or driver, please design the device so that heat is appropriately radiated not ...
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TA7259P/F/FG 2006-4-14 ...