tle5250 Infineon Technologies AG, tle5250 Datasheet
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tle5250
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tle5250 Summary of contents
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High Performance Smart Power Stepper-Motor Driver with Diagnostic Interface Overview Features • Single phase driver for stepper motor 2.5 A • Low ON-resistance (typical 0.3 ) • Wide supply range • Wide current range ...
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Figure 1 Pin Configuration (top view) Semiconductor Group 1 AEP01471 2 TLE 5250 15 1998-02-01 ...
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Pin Definitions and Functions Pin No. Symbol Function 1 DIAG Open-drain diagnostics output 2 PH Input for determining source/sink on outputs Q1 and Q2; when Enable = Low, this pin serves as clock input for reading out diagnostics 3 EN ...
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Figure 2 Block Diagram Semiconductor Group 4 TLE 5250 1998-02-01 ...
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Application Two TLE 5250 drivers are required to operate a bipolar stepping motor. To implement full-step operation, a squarewave voltage with the required stepping frequency is applied to the phase input of the upper driver, and the same squarewave voltage, ...
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Nominal-Current Input The peak current in the motor winding is defined by the voltage on the Nominal input. This is compared by a fast comparator to the voltage drop on the actual-current sensor. If the nominal current is exceeded, the ...
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Diagnostics The information from the different parts of the circuit is collected in the diagnostics and stored in the fault logic. The information is read out on the Diagnostics output (open collector). The fault logic consists of a 16-bit multiplexer ...
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Bits 10, 11 With these bits it is possible to detect the status of the gate voltages of the lower output- stage transistors T3 and T4. Bit 10: status for EN edge transition. Bit 11: whether the lower transistor has ...
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Logic Assignment: Control Inputs, Output Transistors Enable Phase Output Q1 Output Q2 Transistor T1 Transistor T2 Transistor T3 Transistor Low voltage level, input open H = High voltage level X = transistor turned off – = transistor ...
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RC/Sync Deadtime Comparator - + 1 0.8 V 2.3 V Figure 4 PWM Logic Semiconductor Group 5 V DFF Output Charge-Current and Switching- N/A ...
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Overcurrent Flag Q1 Low Status Q2 Low Status Q1 High Status Q2 High Status GOn T3 GOn Status < GOn T4 Nom/Act Stat. Act>Nom->High Overcurrent T1/T2 Status Undervoltage Status Overtemperature Status Monoflop Strobe Latch Monoflop Reset Enable Phase ...
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Absolute Maximum Ratings = – 150 Parameter Supply voltage Supply current Peak currents on outputs Diode Forward Currents Diode Diode to sense Output current on actual-current pin Voltage on actual-current pin ...
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Characteristics 150 Parameter Supply current Output Q1, Q2 Turn-on resistance of output transistors Phase deadtime Diode forward voltage output Diode forward voltage actual-current pin to output Nominal ...
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Characteristics (cont’d) Parameter Undervoltage Cutout Disable Enable Hysteresis Diagnostics Output Activating delay (Enable High Low) Delay phase low to high Delay phase high to low Output voltage low Leakage current high Semiconductor Group Symbol Limit Values min. typ ...
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Diagnostics Phase C Enable R N Nominal Figure 6 Application Circuit 1 Semiconductor Group Cooling Pin GND TLE 5250 Actual RC/Sync 820 pF ...
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Phase = High or Low Enable 2 0.8 V RC/Sync QRSFF SI OUT Coil Current Actual Voltage Discharge operation is started when nominal current is reached discharged by T Voltage on RC/Sync was limited ...
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RC/Sync QRSFF Coil Current Actual Voltage N/A Output Falling edge turns on sink transistor. Figure 8 Synchron Mode Semiconductor Group Nominal Voltage Sink transistor is turned off again when nominal voltage is reached. 17 TLE 5250 AED01476 1998-02-01 ...
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Strobe Reset Bit 2 Q1 Low Q2 Low Bit 3 Q1 High Bit 4 Bit 5 Q2 High Bit 6 Q1 Low Strobed Bit 7 Q2 Low Strobed Bit 8 Q1 High Strobed Bit 9 ...
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Strobe Reset Bit 2 Q1 Low Q2 Low Bit 3 Q1 High Bit 4 Bit 5 Q2 High Bit 6 Q1 Low Strobed Bit 7 Q2 Low Strobed Bit 8 Q1 High Strobed Bit 9 ...
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RC/Sync Strobe Reset Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 Bit 8 Bit 9 Bit 10 Bit 11 Bit 12 Figure 11 Response to Inductive Loads c) Q2 Shorted to ...
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RC/Sync Strobe Reset Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 Bit 8 Bit 9 Indication of low load: bit 2 = bit 3 And conditions Figure 12 ...
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Package Outlines P-SIP-15-1 (Plastic Single In-Line 1.27 17.78 Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book “Package Information”. Semiconductor Group ±0.3 3.8 ±0.06 1.52 ±0.08 15 0.69 ±0.1 0.25 M 15x ...