TLE 4728G Infineon Technologies, TLE 4728G Datasheet
TLE 4728G
Specifications of TLE 4728G
Related parts for TLE 4728G
TLE 4728G Summary of contents
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Stepper-Motor Driver Overview Features • 2 × 0.7 amp. full bridge outputs • Integrated driver, control logic and current control (chopper) • Fast free-wheeling diodes • Max. supply voltage 45 V • Output stages are free of crossover current ...
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Figure 1 Pin Configuration (top view) Data Sheet TLE 4728 Phase OSC 4 21 GND 5 20 GND 6 19 GND 7 18 GND 8 17 Q11 ...
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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 450 mA with set IX1 IX0 ...
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Pin Definitions and Functions (cont’d) Pin No. Function 21 Error 1 output; signals with “low” the errors: open load or short circuit one or more outputs or short circuit of the load or S overtemperature. 22 ...
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Absolute Maximum Ratings = – 150 ° Parameter Supply voltage Error outputs Output current Ground current Logic inputs Oscillator voltage input voltage 1 2 Junction temperature Storage temperature Thermal resistances Junction-ambient Junction-ambient (soldered ...
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Operating Range Parameter Supply voltage Case temperature Output current Logic inputs Error outputs Note: In the operating range, the functions given in the circuit description are fulfilled. For details see next four pages. These parameters are not 100% tested in ...
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Characteristics (cont’d) = – 130 ° Parameter V Phase Current ( = 9 … Mode “no current” Voltage threshold of current R Comparator at in mode: ...
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Characteristics (cont’d) = – 130 ° Parameter Power Outputs Diode Transistor Sink Pair (D13, T13; D14, T14; D23, T23; D24, T24) Saturation voltage Saturation voltage Reverse current Forward voltage ...
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Diagrams Timing between IXX and Phase X to prevent setting the error flag Operating conditions ° err < typ. 5 µs, an error “open load” will be set. t ...
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This time strongly depends on + Time t versus Load Inductivity IP Propagation Delay of the Error Flag Operating conditions ° err a) IXX = L, error condition: short ...
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IXX = L, error condition: open load (equivalent: short circuit to + Phase X Error µs t typ. PEol Figure 6 c) Phase const.; error condition: short circuit to GND. XX ...
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IXX = L, reset of error flag when error condition is not true. Phase x Error µs t typ. RP Figure 8 e) Phase const.; reset of error flag when error ...
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Quiescent Current I versus Supply Voltage bridges not chopping Oscillator Frequency versus Osc T Junction Temperature j 30 kHz f Osc 25 ...
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Output Saturation Voltages versus Output Current I Q 2.0 V sat = 1.5 V satuC 1.0 V satl 0.5 V satuD 0 0 0.2 0.4 Typical Power Dissipation I Output ...
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Input Characteristics - 150 C -80 -100 -120 - Data Sheet , Phase X Output Leakage Current IED01834 1.2 ...
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... Microcontroller Figure 10 Application Circuit V Err V Err V OSC Figure 11 Test Circuit Data Sheet Phase 1 21 Error 1 TLE 4728G 14 Error Phase 2 OSC 2 100 F 100 XX, Phase X TLE 4728 G Output Error X R Osc GND OSC ...
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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 quiescent losses P P switching losses s The following equations give the power dissipation for chopper operation without phase reversal. This is the worst case, because full current flows ...
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Figure 16 Turn-ON Voltage and Current at i Chopper Transistor Figure 17 Voltage and Current on Chopper Transistor Data Sheet + ...
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Application Hints The TLE 4728 G 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 4728 G will work with ...
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To achieve maximum current accuracy such glitches at the phase inputs should be avoided by proper control signals. To lower EMI a ceramic capacitor of max advisable from each output to GND. Thermal Shut ...
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Package Outlines P-DSO-24-9 (Plastic Dual Small Outline Package) 1.27 +0. 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 Sorts ...