TLE4727 Infineon Technologies, TLE4727 Datasheet
TLE4727
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TLE4727NK
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TLE4727 Summary of contents
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Stepper-Motor Driver Overview Features • 2 × 0.7 amp. outputs • Integrated driver, control logic and current control (chopper) • Fast free-wheeling diodes • Max. supply voltage 45 V • Outputs free of crossover current • Offset-phase turn-ON of ...
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Figure 1 Pin Configuration (top view) Datasheet Phase OSC 4 17 GND 5 16 GND 6 15 Q11 Q12 10 ...
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Pin Definitions and Functions Pin No. Function 1, 2, 19, 20 Digital control inputs IX0, IX1 for the magnitude of the current of the particular phase 500 mA with R set Current Control IX1 ...
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Pin Definitions and Functions (cont’d) Pin No. Function 17 Error output; signals with "low" the errors: open load or short circuit to ground of one or more outputs or short circuits of the load or overtemperature. 18 Input phase 2; ...
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Absolute Maximum Ratings = – 150 °C Temperature T j Parameter Supply voltage Error outputs Logic supply voltage Output current Output current Ground current Logic inputs Oscillator voltage , R input voltage ...
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Operating Range Parameter Supply voltage Current from logic supply Case temperature Output current Logic inputs Error output Note: In the operating range, the functions given in the circuit description are fulfilled. Characteristics = – 130 ° ...
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Characteristics (cont’d) = – 130 ° Parameter Phase Current ( Mode “no current” Voltage threshold of current comparator mode: ...
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Characteristics (cont’d) = – 130 ° Parameter Power Output Sink Diode Transistor Sink Pair (D13, T13; D14, T14; D23, T23; D24, T24) Saturation voltage Saturation voltage Reverse current Forward ...
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I Quiescent Current versus Supply Voltage bridges not chopping Oscillator Frequency versus OSC T Junction Temperature j 30 kHz ...
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Output Saturation Voltages I versus Output Current Q 2.0 V sat = 1.5 V satuC 1.0 V satl 0.5 V satuD 0 0 0.2 0.4 P Typical Power Dissipation I ...
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Input Characteristics of IXX , Phase X Logic Supply Output Voltage versus I Output Current 5.5 4.5 4 Datasheet Output ...
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V 4.7 F Micro- Controller Figure 3 Application Circuit Datasheet Phase 1 17 TLE 4727 Error Phase 2 OSC ...
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Err V Err V OSC Figure 4 Test Circuit Datasheet 10 F 100 F 100 XX, Phase X TLE 4727 Output Error X R Osc GND sense OSC SL GND 2.2 nF ...
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Accelerate Mode Phase acc i set Q1 i set i acc i acc i set Q2 i set i acc H Phase ...
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Accelerate Mode Phase acc i set set - i acc i acc i set set - i acc H Phase ...
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V Osc V Osc V Osc Rsense 1 0 Rsense Q12 + satl Q11 + Q22 + Q21 + acc Q2 i ...
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V Osc 2.3 V 1.3 V Oscillator High Imped Phase 1 L Rsense Q11 + V S High Impedance V Q12 + V S High Impedance set Phase Operating conditions: V ...
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Calculation of Power Dissipation The total power dissipation P saturation losses P sat quiescent losses P q switching losses P s The following equations give the power dissipation for chopper operation without phase reversal. This is the worst case, because ...
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Figure 9 Turn-ON Voltage and Current at Chopper Transistor Figure 10 Voltage and Current at Chopper Transistor Datasheet + ...
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Application Hints The TLE 4727 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 TLE 4727 will work with supply voltages ...
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Optimizing Noise Immunity Unused inputs should always be wired to proper voltage levels in order to obtain highest possible noise immunity. To prevent crossconduction of the output stages the TLE 4727 uses a special break before make timing of the ...
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Package Outlines P-DIP-20-6 (Plastic Dual In-line Package) 2. Index Marking Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book “Package Information”. Datasheet ~ ~ 1.2 1.5 max 0.25 20x +0.1 0.45 11 ...