TCA3727 Infineon Technologies, TCA3727 Datasheet
TCA3727
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TCA3727
TCA3727IN
TCA3727NK
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TCA3727 Summary of contents
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Stepper-Motor Driver Bipolar IC Features • 2 0.75 amp outputs • Integrated driver, control logic and current control (chopper) • Fast free-wheeling diodes • Max. supply voltage 52 V • Outputs free of crossover current • ...
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Figure 1 Pin Configuration TCA 3727 (top view) Data Sheet Phase OSC 5 16 GND 6 15 GND 7 14 Q11 ...
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Figure 2 Pin Configuration TCA 3727 G (top view) Table 1 Pin Definitions and Functions Pin No. Function 1, 2, 19, 20 Digital control inputs IX0, IX1 for the magnitude of the current of the 1) (1, 2, 23, 24) ...
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Table 1 Pin Definitions and Functions (cont’d) Pin No. Function 1) 9 (11) Supply voltage; block to ground, as close as possible to the IC, with a stable electrolytic capacitor of at least parallel with a ceramic ...
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OSC 10 1 Function 11 2 Logic Phase 1 Phase 1 3 Inhibit 17 Inhibit 20 20 Function 21 19 Logic Phase 2 Phase 2 18 Figure 3 Block Diagram TCA 3727 Data Sheet + ...
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Oscillator 10 1 Functional 11 2 Logic Phase 1 Phase 1 3 Inhibit 21 Inhibit 20 24 Functional 21 23 Logic Phase 2 Phase 2 22 Figure 4 Block Diagram TCA 3727 G Data Sheet + ...
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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 4 Operating Range Parameter Supply voltage Logic supply voltage Case temperature Output current Logic inputs Thermal Resistances Junction ambient Junction ambient (soldered thick board copper area) Junction case Junction ambient Junction ambient ...
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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 Charging threshold ...
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Table 5 Characteristics (cont’ - Parameter Internal Z-Diode Z-voltage Power Outputs Diode Transistor Sink Pair (D13, T13; D14, T14; D23, T23; D24, T24) Saturation voltage Saturation voltage Reverse current ...
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I I Quiescent Current , Supply Voltage Output Current versus ...
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Output Saturation Voltages I versus Output Current Typical Power Dissipation I Output Current (non stepping) Q Data Sheet V Forward Current sat Diodes versus Forward Voltages versus Permissible Power Dissipation tot versus Case Temperature P tot 12 ...
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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 0.6 0 3.9 f Oscillator Frequency OSC T Junction Temperature 30 V kHz OSC ...
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Figure 5 Test Circuit Data Sheet 220 Phase 1 17 Inhibit TCA 3727 Phase 2 OSC ...
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V 100 F Micro Controller Figure 6 Application Circuit Data Sheet 220 Phase 1 17 Inhibit TCA 3727 Phase 2 OSC GND ...
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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 7 ...
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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 9 Quarter-Step Operation Data Sheet 18 TCA 3727 Rev. 2.0, 2004-10-01 ...
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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 + sat Q11 + Q22 + Q21 + V S Operating conditions ...
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Inhibit L V Osc 2.3 V Oscillator High Imped. 1 Phase 1 L GND Q11 V High Impedance Q12 High Impedance Phase 1 Operating Conditions ...
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Calculation of Power Dissipation The total power dissipation P • saturation losses sat P • quiescent losses q P • switching losses s The following equations give the power dissipation for chopper operation without phase reversal. This is the worst ...
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Figure 13 Turn-ON Voltage and Current at Chopper Transistor Figure 14 Data Sheet + V S Tx1 Dx1 Dx2 L Tx3 Dx3 Dx4 V sense R sense ...
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Application Hints The TCA 3727 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 TCA 3727 will work with supply voltages ...
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Thermal Shut Down To protect the circuit against thermal destruction, thermal shut down has been implemented. To provide a warning in critical applications, the current of the sensing element is wired to input Inhibit. Before thermal shut down occurs Inhibit ...
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Package Outlines Figure 15 P-DIP-20-6 (Plastic Dual In-line Package) You can find all of our packages, sorts of packing and others in our Infineon Internet Page “Products”: http://www.infineon.com/products. Data Sheet 26 TCA 3727 GPD05587 Dimensions in mm Rev. 2.0, 2004-10-01 ...
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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 16 P-DSO-24-3 (Plastic Dual Small Outline Package) You ...
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TCA 3727 Revision History: Previous Version: Page Subjects (major changes since last revision) 2004-10-01 1.0, 1998-12-16 Rev. 2.0 Template: ap_a5_vr_tmplt. 2004-09-15 ...
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... Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems 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 affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body support and/or maintain and sustain and/or protect human life ...