IR21592PBF International Rectifier, IR21592PBF Datasheet
IR21592PBF
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IR21592PBF Summary of contents
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Features Ballast control and half-bridge driver in one IC Transformer-less lamp power sensing Closed-loop lamp power control Closed-loop preheat current control Programmable preheat time Programmable preheat current Lamp ignition detection Programmable ignition-to-dim time 0.5 to 5VDC dimming control input Min ...
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IR21592/IR21593 Absolute Maximum Ratings Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to COM, all currents are defined positive into any lead. The thermal resistance and power ...
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Recommended Operating Conditions For proper operation the device should be used within the recommended conditions. Symbol Definition V High side floating supply voltage BS V Steady state high side floating supply offset voltage S V Supply voltage CC I Supply ...
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IR21592/IR21593 Electrical Characteristics (cont 14V +/- 0.25V BIAS 56k 0.0V 1000pF, T MIN TPH LO,HO Symbol Definition Floating Supply Characteristics I V supply current ...
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Electrical Characteristics (cont 14V +/- 0.25V BIAS 56k 0.0V 1000pF, T MIN TPH LO,HO Symbol Definition Preheat Characteristics I CPH pin charging current CPH ...
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IR21592/IR21593 Block Diagram VCC 60uA VCO 2 15uA 1uA VDC 1 1.0uA CPH 3 REF 10V S Q DIM 4 5. DIM FB MAX 5 0.1/R 4/R FMIN FMIN MIN 6 0.1/R FMIN I ...
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State Diagram SD > 2.0V (Lamp Removal) or VCC < 10.9V (Power Turned Off) FAULT Mode T > 165C J (Over-Temperature) Fault Latch Set 1/2-Bridge Off I =240 A QCC CPH=0V VCC=15.6V Oscillator Off CS > V (1.6V) CSTH (Failure ...
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IR21592/IR21593 Timing Diagram Non-strike fault condition with lamp exchange VCC 15.6V UVLO+ UVLO- VDC VDCTH+ VDCTH- CPH 5.1V V DIM VCO 1.6V V IPH UVLO & ( PbF ) ...
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External Components Selection Procedure (Note: Please refer to "Typical Connection" diagram, page 1) Set R and R such that the voltage VAC VDC on pin VDC will exceed 5.1 volts at the desired line turn-on voltage. The minimum operating frequency ...
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IR21592/IR21593 Characteristic Curves 120 100 V VCO VCO 40 V VCO RFMIN (K ) Graph 1. Frequency vs R FMIN 450 400 350 300 250 200 150 100 ...
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V (V) MIN Graph MIN 3 2.5 2 1.5 1 0 Temperature °C ...
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IR21592/IR21593 - Temperature °C Graph Temperature PH (IR21592/IR21593) 100 V =5V VCO 80 V =3V VCO =0V VCO Temperature ...
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Temperature °C Graph 13 Temperature (IR21592/ IPH IR21593) 3 2.6 2.2 1.8 1 Temperature °C Graph 15. TDEAD vs Temperature (IR21592) www.irf.com IR21592/IR21593 ...
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IR21592/IR21593 Functional Description Phase Control To understand phase control, a simplified model for the ballast output stage is used (Figure 1). The lamp and filaments are replaced with resistors, with the lamp inserted between the filament resistors (R1, R2, R3 ...
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Lamp Pow er [Watts] Figure 4, Lamp power vs. phase of output stage. Under-voltage Lock-Out (UVLO) The IR21592/IR21593 undervoltage lock-out is designed to maintain an ultra low quiescent current ...
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IR21592/IR21593 Brown-out Protection In addition to the voltage on VCC being above the start-up threshold, pin VDC must also be above 5.1V for HO and LO to begin oscillating. A voltage divider (R3,RVDC) from the rectified AC line connected to ...
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RCS V IPH I CVCO 60uA -1uA V CVCO Figure 8, Peak load current regulation timing diagram. This feedback keeps the peak preheat current regulated to the user-programmable setting on pin IPH for the duration of ...
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IR21592/IR21593 circuit measures the voltage at the CS pin and compares it against the voltage at the IPH pin. During the rising ignition ramp, the voltage at the IPH pin is increased to 20% above its value ...
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DIM during dimming to increase high-frequency noise immunity and minimize component count. Dimming (DIM) To regulate lamp power, the error between the reference phase and the phase of the output stage current forces the VCO to steer the frequency in ...
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IR21592/IR21593 V MIN MIN R MAX USER 0.5V 5V SETTING V DIM LO REF 0 Figure 14, Dimming interface The charging time of CT from 1V to 5.1V determines the on-time of output ...
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V CS Switching Noise LO BLANK Dimming Range Figure 16, Current sense timing diagram. Fault Mode (FAULT) During dimming, the peak current regulation circuit active during preheat and ignition is disabled. Should non-zero voltage switching at the output of the ...
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IR21592/IR21593 Ballast Output Stage The components comprising the output stage are selected using a set of equations. Different ballast operating frequencies and their respective voltages and currents are calculated. The inductor and capacitor values are obtained using equations (2) through ...
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180 tan [( ...
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IR21592/IR21593 This ballast design procedure has been summarized into the following 3 steps: Figure 19, Simplified Ballast Design Procedure & ( PbF ) Define Lamp Requirements Iterate L and C to fulfill constraints Calculate IR21592/IR21593 IR2159 ...
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Case outline www.irf.com IR21592/IR21593 16 Lead PDIP 16 -Lead SOIC (narrow body & ( PbF ) 01-6015 01-3065 00 (MS-001A) 01-6018 01-3064 00 (MS-012AC) 25 ...
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... SPN code) Assembly site code ORDER INFORMATION Leadfree Part 16-Lead PDIP IR21592 order IR21592PbF 16-Lead SOIC IR21592S order IR21592SPbF 16-Lead PDIP IR21593 order IR21593PbF 16-Lead SOIC IR21593S order IR21593SPbF Data and specifications subject to change without notice. IR logo ...