NCP5104BA36WGEVB NCP5104 36W Ballast Evaluation Board User'sManual http://onsemi.com EVAL BOARD USER’S MANUAL Introduction Detailed Operation This document describes how the NCP5104 driver can be implemented in a ballast application. The scope of this evaluation board user’s manual is to highlight the NCP5104 driver and not to explain or detailed how to build electronic ballast. The NCP5104 is a high voltage power MOSFET driver providing two outputs for direct drive of 2 N-channel power MOSFETs arranged in a half-bridge configuration with only one input. It uses the bootstrap technique to insure a proper drive of the High-side power switch. The driver works with one input to accommodate half-bridge topology with a fixed dead time of 520 ns. The lamp ballast is powered via a half bridge configuration. The 2 power MOSFETs are driven with the NCP5104 driver. The driver is supplied by the VCC rail, and the high side driver is supplied by the bootstrap diode: when the low side power MOSFET (Q2) is switched ON, the BRIDGE pin is pulled down to the ground, thus the capacitor connected between BRIDGE pin and VBOOT pin is refuelled via the diode D3 and the resistor R5 connected to VCC. When Q2 is switched OFF the bootstrap capacitor C6 supplies the high side driver with a voltage equal to VCC level minus the D3 forward voltage diode. Given the NCP5104 architecture, the driver copies the input signal to the high side driver, then it generates a fixed dead time (520 ns) before toggling the low side driver when the input pin level changes. Evaluation Board Specification Input Range : 85 Vac − 145 Vac OR 184 Vac − 265 Vac Ballast Output Power : 36 W (type PL−L 36W) Pre-heating Current : 295 mA Pre-heating Time : 1 second Nominal Current : 414 mA Figure 1. NCP5104 Evaluation Board WARNING: BEFORE PLUGGING IN THE EVALUATION BOARD, MAKE SURE THE JUMPER IS IN THE CORRECT POSITION: IF J2 IS USED, THEN VIN MUST BE LOWER THAN 145 Vac. Semiconductor Components Industries, LLC, 2012 November, 2012 − Rev. 0 1 Publication Order Number: EVBUM2158/D NCP5104BA36WGEVB Figure 2. Dead Time Between the High and Low-Side Driver IN_HI (10 V/div) DRV_HI (10 V/div) IN_LO (10 V/div) DRV_LO (10 V/div) Time (4 ms/div) Figure 3. Input Output Timing Diagram Tube Voltage (100 V /div) Tube current (0.5 V /div) Tube Power (50 W/div) Tube average power = 32W Figure 4. Tube Signals http://onsemi.com 2 3 http://onsemi.com Figure 5. NCP5104 Evaluation Board Schematic GND 220pF R15 22k C17 100mF + GND 1 R16 68k 27k R12 GND GND C12 NC GND C13 NC GND + GND 4 3 2 1 D5 GND SD IN VCC GND 1N4936 GND C4 47mF GND 5 6 7 D6 1N4936 R14 390k R6 10R GND 100nF C6 R5 10R C14 220pF/400V DRV_IO Bridge DRV_HI VBOOT 8 1N4936 U2 NCP5104 C5 100nF D3 R9 10k R7 10R R8 10k GND Q2 IRF840LC 1.4mH L1 Q1 IRF840LC 1kV C15 6.8nF BALLAST B1 GND 220nF NC Q3 BC547B 220pF C11 10nF 6 7 R2 NC R1 22k R4 82k 2W 400V C10 GND R11 47k C9 VCC THR GND DIS Q GND C3 220mF GND C2 47mF 400V R3 82k 2W C8 CVOLT VCC 3 GND + VCC + + C1 47mF 100V 400V 5 TRIG R J2 US−Jumper D1 15V 1.3W 3 1 PT1 220nF 2 4 U1 TLC555C 8 R13 OR F1 T500mA GND 2 4 C7 C16 R10 33k CON2 1 2 J1 NCP5104BA36WGEVB NCP5104BA36WGEVB Figure 6. PCB Printout: Top and Bottom View http://onsemi.com 4 NCP5104BA36WGEVB Table 1. BILL OF MATERIAL FOR THE NCP5104 EVALUATION BOARD* Designator Qty. Description Value Tolerance Footprint Manufacturer Manufacturer Part Number Substitution Allowed B1 2 Connector 2/ 0% Rad5.08 mm Weidmuller PM5.08/2/90 Yes C1,C2 2 Electrolytic Capacitor 47 mF/400 V 0.2 Radial Panasonic ECA2GM470 Yes C11 1 Capacitor 10 nF/100 V 10% Radial Murata RPER72A103K2M1B05A Yes C12, C13 2 Capacitor NC − Radial − − Yes C14 1 Capacitor 220 pF/1,000 V 10% Radial Panasonic PICECKA3A221KBP Yes C15 1 Capacitor 6.8 nF/1,600 V 5% Radial BC Comp. 2222 375 30682 Yes C16 1 Capacitor NC Radial − − Yes C17 1 Electrolytic Capacitor 100 mF/16 V 20% Radial Panasonic ECA1CM101 Yes C3 1 Electrolytic Capacitor 220 mF/16 V 20% Radial BC Comp. 2222−13555221 Yes C4 1 Electrolytic Capacitor 4.7 mF/63 V 20% Radial Nippon Chemi-con SMEVB4.7UF63V Yes C5, C6 2 Capacitor 100 nF/50 V 10% Radial Murata RPER71H104K2M1A05U Yes C7, C8 2 Capacitor 220 nF/400 V 10% Radial Vishay MKT1822422405 Yes C9, C10 2 Capacitor 220 pF/100 V 5% Radial Murata RPE5C2A221J2M1Z05A Yes D1 1 Zener Diode 15 V/1.3 W 5% Axial Vishay BZX85C15 Yes D3, D5, D6 3 Rectifier Diode 1 A/400 V 0% Axial ON Semiconductor 1N4936G Yes D4 1 Zener Diode 5.1 V/1.3 W 5% Axial Vishay BZX85C5V1 Yes F1 1 Fuse 500 mA/250 V 0% Radial Schurter 0034−6612 Yes J1 1 Connector 2/ 0% Rad5.08 mm Weidmuller PM5.08/2/90 Yes Yes J2 1 Resistor 0 W/0.25 W 0% Axial Multicomp MCF 0.25W 0R L1 1 Inductor 1.4 mH − − Yogt 53−044 No PT1 1 Diode Bridge 600 V/1 A 0% DIL General Semiconductor DF06M Yes Q1, Q2 2 Power MOSFET N-channel 8 A/500 V 0% TO220 International Rectifier IRF840LC Yes Q3 1 NPN Transistor 100 mA/45 V 0% TO92 ON Semiconductor BC547B Yes R1, R15 1 Resistor 22 kW/0.33 W 5% Axial Neohm CFR25J22K Yes R10 1 Resistor 33 kW/0.33 W 5% Axial Neohm CFR25J33K Yes R11 1 Resistor 47 kW/0.33 W 0.05 Axial Neohm CFR25J47K Yes R12 1 Resistor 27 kW/0.33 W 5% Axial Neohm CFR25J27K Yes R13 1 Resistor 0 W/0.25 W 5% Axial Multicomp MCF 0.25W 0R Yes R14 1 Resistor 390 kW/0.33 W 5% Axial Neohm CFR25J390K Yes R16 1 Resistor 68 kW/0.33 W 5% Axial Neohm CFR25J68K Yes R2 1 Resistor NC − Axial − − Yes R3, R4 2 Resistor 82 kW/3 W 5% Axial BC Comp. 232219514823 Yes R5, R6, R7 3 Resistor 10 W/0.33 W 5% Axial Neohm CFR25J10R Yes R8, R9 2 Resistor 10 kW/0.33 W 5% Axial Neohm CFR25J10K Yes U1 1 CMOS IC Analog/Timer 0% DIP8 Texas Instruments TLC555CP No U2 1 NCP5104 NCP5104 − DIP8 ON Semiconductor NCP5104 No *All devices are Pb-free. http://onsemi.com 5 NCP5104BA36WGEVB TEST PROCEDURE A A Vac V V J2 Jumper RLoad 200 W Figure 7. Test Setup Connection Table 2. REQUIRED EQUIPMENT AC Power Source can be able to Deliver 230 Vrms or 110 Vrms Two Voltmeters Two Ampere Meters 1 Resistive Load: 200 W/50 W One NCP5104 Evaluation Board − Test Procedure Voltmeter and Ampere Meter on the Load Load on the Output 1. First of all check if you need or not the jumper #2 (J2 on the board close the diode bridge). This jumper must be removed in case of European mains (230 Vac input voltage) and have to placed in case of US mains (110 Vac). This jumper is used to build a voltage doublers just after the bridge diode in case of US mains input voltage range. 2. Connect the test setup as shown in Figure 7: AC Source 3. Apply 230 Vac for European mains or 110 Vac for US mains on the input connector. 4. Check ILoad and VLoad with the appropriate value in the Table 3. 5. If you get the correct output and input voltage, you can connect a 36 W fluorescent tube on the output (see Figure 8). Table 3. TEST RESULTS Input Mains J2 VIN (Vrms) IIN (Arms) VLoad (Vrms) ILoad (Arms) European Removed 230 V 278 mA 303 V 370 mA US Yes Max Input Voltage: 132 Vrms 110 V 514 mA 263 V 340 mA Input Connection Output Connection A Vac 36 W Tube V Figure 8. Ballast Connection ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. SCILLC reserves the right to make changes without further notice to any products herein. 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