TCA 3727G Infineon Technologies, TCA 3727G Datasheet
TCA 3727G
Specifications of TCA 3727G
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TCA 3727G Summary of contents
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... The logic is supplied either separately with taken from the motor supply voltage by way of a series resistor and an integrated Z-diode. The device can be driven directly by a microprocessor with the possibility of all modes from full step through half step to mini step. Type TCA3727G Data Sheet Package PG-DSO-24-13 4 TCA3727G PG-DSO-24-13 Marking TCA 3727G Rev. 2.2, 2009-01-22 ...
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Figure 1 Pin Configuration (top view) Table 1 Pin Definitions and Functions Pin No. Function 1, 2, 23, 24 Digital control inputs IX0, IX1 for the magnitude of the current of the particular phase. See Table 3 Input Phase 1; ...
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... 2/3 max max Phase 1 3 Inhibit Phase 2 22 Figure 2 Block Diagram TCA 3727G Data Sheet + Oscillator D11 D12 T11 D13 D14 T13 Functional Logic Phase 1 Inhibit D21 D22 T21 D23 D24 T23 Functional ...
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Table 3 Absolute Maximum Ratings T = -40 to 125 C A Parameter Supply voltage Logic supply voltage V Z-current of L Output current Ground current Logic inputs oscillator input voltage 1 2 Junction temperature Storage ...
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Table 5 Characteristics - Parameter Current Consumption V from + S V from + S V from + L V from + L Oscillator Output charging current ...
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Table 5 Characteristics (cont’ - Parameter Diode Transistor Source Pair (D11, T11; D12, T12; D21, T21; D22, T22) Saturation voltage Saturation voltage Saturation voltage Saturation voltage Reverse ...
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I I Quiescent Current S, L versus Supply Voltage Output Current versus ...
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V Output Saturation Voltages sat I versus Output Current Q P Typical Power Dissipation versus tot I Output Current (non stepping) Q Data Sheet I Forward Current of Free-Wheeling F Diodes versus Forward Voltages 1 0.8 ...
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Input Characteristics of IXX, Phase X, Inhibit 0.8 mA 0.6 IXX 0.4 0.2 0 0.2 0.4 0 Oscillator Frequency versus Junction Temperature OSC 40V S kHz ...
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F Ι Ι L Ι Ι Ι Ι H Figure 3 Test Circuit +5 V Micro Controller Figure 4 Application Circuit Data Sheet µ Ι 220 Ι ...
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Phase acc i set Q1 i set i acc i acc i set Q2 i set i acc H Phase Figure 5 ...
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Phase acc i set set - i acc i acc i set set - i acc H Phase ...
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Figure 7 Quarter-Step Operation Data Sheet 16 TCA3727G Rev. 2.2, 2009-01-22 ...
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Phase acc i set i hold Q1 i hold i set i acc i acc i set i hold Q2 i hold i set i acc H Phase 2 L ...
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V Osc 2 GND 0 V Q12 + Q11 + Q22 + Q21 + V S Operating conditions phase x ...
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Inhibit L V Osc 2.3 V Oscillator High Imped. 1 Phase 1 L GND Q11 High Impedance Q12 High Impedance Phase 1 Operating Conditions ...
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Calculation of Power Dissipation P The total power dissipation is made up of tot P • saturation losses (transistor saturation voltage and diode forward voltages), sat P • quiescent losses (quiescent current times supply voltage) and q P • switching ...
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Figure 11 Voltage and Current at Chopper Transistor Figure 12 Data Sheet + V S Tx1 Dx1 Dx2 L Tx3 Dx3 Dx4 V sense R sense Turn- satl t ...
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Application Hints The TCA3727G is intended to drive both phases of a stepper motor. Special care has been taken to provide high efficiency, robustness and to minimize external components. Power Supply The TCA3727G will work with supply voltages ranging from ...
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Package Outlines 1.27 +0. 15.6 Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Lead width can be 0.61 max. in dambar area Figure 13 PG-DSO-24-13 Green Product (RoHS ...
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Revision History Revision Date Changes 2.2 2009-01-22 Final Green Data Sheet version of TCA3727G Page 11 : Removed P-DIP-20 reference in Permissible Power Dissipation vs. Case Temperature curve. Page 13 : Updated Figure 3 and 4 to PG-DSO-24-13 pinout 2.1 ...
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... Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life ...