NCP1653 Power Factor Controller efficiently drive Continuous Conductio

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NCP1653 Power Factor Controller efficiently drive Continuous Conductio

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AND8185/D Wide Mains, Stage Driven NCP1653
NCP1653 Power Factor Controller efficiently drive Continuous Conduction Mode (CCM) step-up pre-converters. shown Semiconductor application note AND8184/D, that details four steps design NCP1653 driven stage, this circuit represents major leap towards compactness ease implementation. Housed DIP8 SO-8 package, circuit minimizes external components count without sacrificing performance flexibility. particular, NCP1653 integrates protections build robust stages like effective input power runaway clamping circuitry. When needed wished, NCP1653 also allows operation Follower Boost mode(1) drastically lower pre-converter size cost, straight-forward manner. more information this device, please refer Semiconductor data sheet NCP1653/D. board illustrates circuit capability effectively drive high power, universal line application. More specifically, designed meet following specifications: Maximum output power: Input voltage range: from Vrms Vrms Regulation output voltage: Switching frequency:
This application tested using resistive load. many applications, controller output downstream converter, there generally need auto-supply circuitry. Hence, demo-board, NCP1653 supplied external power supply. external voltage source that applied NCP1653 VCC, should exceed 13.25 typically, allow circuit startup. After startup, operating range from voltage applied NCP1653 must exceed NCP1653 continuous conduction mode fixed frequency controller (100 kHz). coil (600 selected limit peak-to-peak current ripple range sinusoid top, full load line conditions. Again, details application designed, please refer Semiconductor application note AND8184/D. detailed document, board yields very nice Power Factor ratios effectively limits Total Harmonic Distortion (THD).
(1)The
"Follower Boost" mode makes pre-converter output voltage stabilize level that varies linearly versus line amplitude. This technique aims reducing difference between output input voltages optimize boost efficiency minimize cost stage (refer MC33260 NCP1653 data sheet www.onsemi.com).
Semiconductor Components Industries, LLC, 2005
April, 2005 Rev.
Publication Order Number: AND8185/D
AND8185/D
Figure Board
Three coils from three different vendors have been validated this board: C1062-B from CoilCraft MB09008 from microSpire SRW42EC-E02H001 from TDK.
sake consistency, this application note reports performance results that were obtained using CoilCraft coil. However, been checked that other coils yield high performance too.
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KBU6K Type Type
Type NCP1653
CSD04060
Figure Application Schematic
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AND8185/D
SPP20N60S
Type snap-in
Type
2.85
Earth
AND8185/D
LAYOUT
Figure Component Placement
Figure Layout (Components' Side)
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AND8185/D
GENERAL BEHAVIOR TYPICAL WAVEFORMS
Iin: line current (CH4 A/div)
Vout (CH3)
(CH2)
Vpin5 (CH1)
Figure
326.5 Vout Iout 0.999,
Iin: line current (CH4 A/div)
Vout (CH3)
(CH2)
Vpin5 (CH1)
Figure
Vout Iout 0.989,
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AND8185/D
Efficiency
331.3 296.7 157.3 109.8 80.7 67.4 Vout 370.0 373.4 381.8 383.5 384.4 385.0 Iout 0.83 0.74 0.38 0.26 0.19 0.16 0.998 0.998 0.995 0.993 0.990 0.988 Efficiency
Figure
Figure Efficiency
Total Harmonic Distortion keeps below from Pmax (maximum power down about Pmax/5.
efficiency remains higher than input powers ranging from standby load conditions), stage enters stable burst mode, where circuit keeps regulating output voltage minimizes power consumption (See Figure 11).
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AND8185/D
Efficiency
66.9 80.2 110.0 157.3 215.7 311.4 Efficiency Vout 386.6 386.5 386.7 386.4 386.2 385.4 Iout 0.16 0.19 0.27 0.38 0.53 0.77 0.920 0.933 0.960 0.978 0.985 0.989
Figure
Figure Efficiency
Similarly results, values obtained. Total Harmonic Distortion keeps below from Pmax (maximum power down about Pmax/5.
Again efficiency keeps high large power range. More specifically, remains higher than input powers ranging from standby load conditions), stage enters stable burst mode, where circuit keeps regulating output voltage minimizes power consumption.
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AND8185/D
Thermal Measurements Measurements Conditions:
following results were obtained using thermal camera, after operation 25°C ambient temperature. These data indicative. They show that demo-board require additional heatsink capability used high ambient temperature applications.
Vout Iout 0.82 0.999
Coil Coil (wires) 130°C Input Bridge 85°C
Power MOSFET 100°C
Heatsink 80°C
Bulk Capacitor 50°C
Output Diode 75°C
(ferrite) 100°C
Load Operation
Iin: line current (CH3 A/div)
388V Vout (CH3)
(CH2)
Vpin5 (CH1)
Figure
Pout
When light load, circuit enters welcome burst mode that enables circuit keep regulating. Vpin5 oscillates around pin5 internal reference voltage (2.5
power losses Vac, nearly This result obtained using meter (measure duration:
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AND8185/D
Soft-Start
NCP1653 grounds "Vcontrol" capacitor when off, i.e., before each circuit active sequence ("Vcontrol" being regulation block output). Provided regulation
bandwidth required stages, "Vcontrol" increases slowly. result, power delivery rises gradually pre-regulator startup smoothly noiselessly.
(Vpin7)
Vpin2 (CH3) (Vcontrol regulation output)
Vout (CH1)
(CH2)
Figure
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AND8185/D
Bill Materials
Description type type type type type Resistor, Axial Lead, Resistor, Axial Lead, Resistor, Axial Lead, Resistor, Axial Lead, Resistor, Axial Lead, Resistor, Axial Lead, Resistor, Axial Lead, Resistor, Axial Lead, Resistor, Axial Lead, Resistor, Axial Lead, Coil Coil Coil Choke Filter 2*6.8mH). Diodes Bridge Output Diode MOSFET Heatsink (2.9°C/W) Controller C1062-B MB09008 SRW42EC-E03H001 mH/5 WI-FI series B82725-J2402-N20 KBU6K CSD04060 SPP20N60S5 437479 NCP1653 RLP3 PHE840MD7100M DE1E3KX472MA5B DE1E3KX472MA5B PHE840MD6680M Part Number PHE840MX6100M 2222 37101 RIFA Components various various various various various various various RIFA muRata muRata RIFA various various various various various various VISHAY various various various CoilCraft microSpire Wurth Elektronik EPCOS General Semiconductor CREE Infineon AAVID THERMALLOY Semiconductor Manufacturer
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AND8185/D
Vendors Contacts
Vendor CoilCraft microSpire EPCOS CREE Info@tdk.de Contact Product Information www.coilcraft.com www.microspire.com www.tdk.co.jp/tetop01/ www.epcos.fr/
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AND8185/D
Semiconductor registered trademarks Semiconductor Components Industries, (SCILLC). SCILLC reserves right make changes without further notice products herein. SCILLC makes warranty, representation guarantee regarding suitability products particular purpose, does SCILLC assume liability arising application product circuit, specifically disclaims liability, including without limitation special, consequential incidental damages. "Typical" parameters which provided SCILLC data sheets and/or specifications vary different applications actual performance vary over time. operating parameters, including "Typicals" must validated each customer application customer's technical experts. SCILLC does convey license under patent rights rights others. SCILLC products designed, intended, authorized components systems intended surgical implant into body, other applications intended support sustain life, other application which failure SCILLC product could create situation where personal injury death occur. Should Buyer purchase SCILLC products such unintended unauthorized application, Buyer shall indemnify hold SCILLC officers, employees, subsidiaries, affiliates, distributors harmless against claims, costs, damages, expenses, reasonable attorney fees arising directly indirectly, claim personal injury death associated with such unintended unauthorized use, even such claim alleges that SCILLC negligent regarding design manufacture part. SCILLC Equal Opportunity/Affirmative Action Employer. This literature subject applicable copyright laws resale manner.
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AND8185/D

NCP1653 Power Factor Controller efficiently drive Continuous Conductio

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