L6235D013TR STMicroelectronics, L6235D013TR Datasheet
L6235D013TR
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L6235D013TR Summary of contents
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OPERATING SUPPLY VOLTAGE FROM 8 TO 52V 5.6A OUTPUT PEAK CURRENT (2.8A DC) R 0.3 TYP. VALUE @ T DS(ON) OPERATING FREQUENCY UP TO 100KHz NON DISSIPATIVE OVERCURRENT DETECTION AND PROTECTION DIAGNOSTIC OUTPUT CONSTANT t PWM CURRENT CONTROLLER OFF SLOW ...
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L6235 ABSOLUTE MAXIMUM RATINGS Symbol Parameter V Supply Voltage S V Differential Voltage between OUT , OUT , SENSE and VS , OUT , SENSE Bootstrap Peak Voltage BOOT V , ...
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THERMAL DATA Symbol R Maximum Thermal Resistance Junction-Pins th(j-pins) R Maximum Thermal Resistance Junction-Case th(j-case) R th(j-amb)1 MaximumThermal Resistance Junction-Ambient R th(j-amb)1 Maximum Thermal Resistance Junction-Ambient R th(j-amb)1 MaximumThermal Resistance Junction-Ambient R Maximum Thermal Resistance Junction-Ambient th(j-amb)2 (1) Mounted on ...
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L6235 PIN DESCRIPTION PACKAGE SO24/ PowerSO36 PowerDIP24 PIN # PIN # 18, 18 ...
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PIN DESCRIPTION (continued) PACKAGE SO24/ PowerSO36 PowerDIP24 PIN # PIN # ELECTRICAL CHARACTERISTICS (V = 48V , °C , unless otherwise specified) S amb Symbol Parameter V ...
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L6235 ELECTRICAL CHARACTERISTICS (continued 48V , °C , unless otherwise specified) S amb Symbol Parameter Switching Characteristics t Enable to out turn-ON delay time D(on)EN t Enable to out turn-OFF delay time D(off)EN t Other ...
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Figure 1. Switching Characteristic Definition EN V th(ON) V th(OFF) I OUT 90% 10% D01IN1316 Figure 2. Overcurrent Detection Timing Definition t FALL t D(OFF)EN I OUT I SOVER ON BRIDGE OFF V DIAG 90% 10 OCD(ON) OCD(OFF) ...
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L6235 CIRCUIT DESCRIPTION POWER STAGES and CHARGE PUMP The L6235 integrates a Three-Phase Bridge, which consists of 6 Power MOSFETs connected as shown on the Block Diagram. Each Power MOS has 0.3 (typical value @25°C) with intrinsic ...
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PWM CURRENT CONTROL The L6235 includes a constant off time PWM Current Controller. The current control circuit senses the bridge current by sensing the voltage drop across an external sense resistor connected between the source of the three lower power ...
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L6235 Figure 8. Output Current Regulation Waveforms I OUT V REF R SENSE V SENSE V REF 2.5V ON SYNCHRONOUS RECTIFICATION OFF D02IN1351 Figure 9 shows the magnitude of the Off Time t culated from the ...
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Figure 10 shows the lower limit for the On Time said that t is always bigger than t ON than this last case the device continues to work but the Off Time ...
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L6235 SLOW DECAY MODE Figure 11 shows the operation of the bridge in the Slow Decay mode during the Off Time. At any time only two legs of the three-phase bridge are active, therefore only the two active legs of ...
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Table 2. 60 and 120 Electrical Degree Decoding Logic in Forward Direction. Hall 120° Hall 60° OUT Vs High Z 1 OUT High Z ...
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L6235 TACHO A tachometer function consists of a monostable, with constant off time (t signal ( allows developing an easy speed control loop by using an external op amp, as shown in Figure 1 14. For component values ...
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Figure 15. Tachometer Speed Control Loop. V REF Figure 16. t versus C PULSE PUL 100 RCPULSE PUL PUL TACHO VREF R ...
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L6235 NON-DISSIPATIVE OVERCURRENT DETECTION and PROTECTION The L6235 integrates an Overcurrent Detection Circuit (OCD) for full protection. This circuit provides Output-to- Output and Output-to-Ground short circuit protection as well. With this internal over current detection, the exter- nal current sense ...
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Figure 18. Overcurrent Protection Waveforms I OUT I SOVER DIAG th(ON) V th(OFF) ON OCD OFF ON BRIDGE OFF Figure 19. t versus C DISABLE Figure 20. t versus C DELAY ...
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L6235 APPLICATION INFORMATION A typical application using L6235 is shown in Figure 21. Typical component values for the application are shown in Table 3. A high quality ceramic capacitor (C power pins VS and VS and ground near the L6235 ...
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OUTPUT CURRENT CAPABILITY AND IC POWER DISSIPATION In Figure 22 is shown the approximate relation between the output current and the IC power dissipation using PWM current control. For a given output current the power dissipated by the IC can ...
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L6235 Figure 24. PowerDIP24 Junction-Ambient thermal resistance versus on-board copper area. º Figure 25. SO24 Junction-Ambient thermal resistance versus on-board copper area. ...
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Figure 27. Typical Quiescent Current vs. Supply Voltage 5 1kHz sw 5.4 5.2 5.0 4.8 4 [V] S Figure 28. Normalized Typical Quiescent Current vs. Switching Frequency Iq / (Iq ...
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L6235 mm DIM. MIN. TYP. MAX. A 3.60 a1 0.10 0.30 0.004 a2 3. 0.10 b 0.22 0.38 0.008 c 0.23 0.32 0.009 D (1) 15.80 16.00 0.622 D1 9.40 9.80 0.370 E 13.90 14.50 0.547 e 0.65 ...
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DIM. MIN. TYP. MAX. MIN. A 4.320 A1 0.380 0.015 A2 3.300 B 0.410 0.460 0.510 0.016 B1 1.400 1.520 1.650 0.055 c 0.200 0.250 0.300 0.008 D 31.62 31.75 31.88 1.245 E 7.620 8.260 0.300 e 2.54 E1 ...
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L6235 mm DIM. MIN. TYP. MAX. A 2.35 2.65 0.093 A1 0.10 0.30 0.004 B 0.33 0.51 0.013 C 0.23 0.32 0.009 15.20 15.60 0.598 ( 7.40 7.60 0.291 e 1.27 H 10.0 10.65 0.394 h 0.25 0;75 ...
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