TDA4863 Power Factor Controller Boost Controller High P

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TDA4863 Power Factor Controller Boost Controller High P

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Infineon Technologies
TDA4863
Power Factor Controller
Boost Controller
High Power Factor
sinusoidal line-current consumption factor achieves nearly boost converter active harmonic filter Start with current consumption current detector discontinuous operation mode Output overvoltage protection undervoltage lockout start timer pole output with active shut down leading edge blanking Improvements referred 4862 Very start current comparator multiplier offsets universal input applications sophisticated amplifier distortion inteferences caused MOSFET switching accurate overvoltage threshold
P-DIP-8-4
P-DSO-8-3
TDA4863 controls boost converter that sinusoidal current taken from single phase line supply stabilized voltage available output. This active harmonic filter limits harmonic currents resulting from capacitor pulsed charge currents during rectification. power factor which descibes ratio between active apparent power almost one. Line voltage fluctuations compensated very efficiently
line
RF-Filter Rectifier
Output Volage
TDA4863
Type 4863 4863G
Ordering Code
Package P-DIP-8-4 P-DSO-8-3
Infineon Tech
Group
23.02.01
Infineon Technologies
TDA4863
Connections
Symbol VSENSE VAOUT MULTIN ISENSE DETIN GTDRV Function Voltage amplifier inverting input Voltage amplifier output Multiplier input Current sense input Zero current detector input Ground Gate driver output Positive voltage supply
MULTIN ISENSE DETIN VSENSE VAOUT GTDRV
Description
Pin1 VSENSE (voltage amplifier inverting input) VSENSE connected resistive divider boost converter output. With capacitor connected VAOUT internal error amplifier acts integrator. Pin2 VAOUT (voltage amplifier output) VAOUT connected internally first multiplier input. prevent overshoot input voltage will clamped internally Input voltage less then 2.2V inhibits gate driver.If current flowing into this exceeding internal threshold multiplier output voltage rdeuced prevent MOSFET from overvoltage damage. MULTIN (multipier input) MULTIN second multiplier input connected resistive divider rectifier output voltage. ISENSE (current sense input) ISENSE connected sense resistor controlling MOSFET source current. input internally clamped -0.3V prevent negative input voltage interaction. leading edge blanking circuitry suppresses voltage spiks when turning MOSFET DETIN (Zero current detector input) DETIN connected auxiliary winding monitoring zero crossing inductor current. (Ground) GTDRV (Gate driver output) GTDRV output totem-pole circuitry direct driving MOSFET. active shutdown circuitry ensures that GTDRV switched off. (Positive voltage supply) exceeds turn-on threshold switched When falls below turn-off threshold switched power consumption very low. auxilliary winding charging capacitor which provides supply current. second 100nF ceramic capacitor should added absorbe supply current spikes required charge MOSFET gate capacitance.
Infineon Tech
Group
23.02.01
Infineon Technologies
TDA4863
Block Diagram
DETIN
tres=150us
UVLO
12.5V
Reference Voltage Vref
Clamp Current
0.5V
Restart Timer
0.2V
Detector
1.0V 1.5V
Flip-Flop
Gate Drive
GTDRV
Enable
2.2V
Inhibit
Inhibit time delay
tdVA=2us
2.5V
tdsd=70ns
Voltage
Multiplier
multout
Current Comp
uvlo active shut down
3.5V
5.4V
Vref
VSENSE
VAOUT
MULTIN
ISENSE
Functional Description
Introduction
Conventional electronic ballasts switching power supplies designed with bridge rectifier bulk capacitor. Their disadvantage that circuit draws power from line when instantaneous voltage exceeds capacitors voltage. This occurs near line voltage peak causes high charge current spike with following characteristics: apparent power higher than real power that means power factor condition, current spikes sinusoidal with high content harmonics causing line noise, rectified voltage depends load condition requires large bulk capacitor, special efforts noise suppression necessary. With TDA4863 preconverter sinusoidal current achieved which varies direct instantaneous proportional input voltage half sine wave provides power factor near This appearence almost complex load like resistive line. harmonic distortions reduced comply with IEC555 standard requirements.
Infineon Tech
Group
23.02.01
Infineon Technologies
TDA4863
Description
TDA4863 contains wide bandwidth voltage amplifier used feedback loop, overvoltage regulator, quadrant multiplier with wide linear operating range, current sense comparator, zero current detector, logic circuitry, totem-pole MOSFET driver, internal trimmed voltage reference, restart timer undervoltage lockout circuitry.
Voltage Amplifier
With external capacitor between VSENSE VAOUT voltage amplifier forms integrator. integrator monitors average output voltage over several line cycles. Typically integrators bandwidth below order suppress ripple rectified line voltage. voltage amplifier internally compensated gain bandwidth phase margin degrees. non-inverting input biased internally 2.5V. output directly connected multiplier input. gate drive disabled when VSENSE voltage less than VVAOUT voltage less than MOSFET placed nearby controller switching inteferences have taken into account. output voltage amplifier designed minimize these inteferences.
Overvoltage Regulator
Because integrators bandwidth fast changes output voltage can't regulated whithin adequate time. Fast output changes occure during initial start-up, sudden load removal, output arcing. While integrators differential input voltage remains zero during this fast changes peak current flowing through external capacitor into VAOUT. this current exceeds internal defined margin overvoltage regulator circuitry reduces multiplier output voltage. result time MOSFET reduced.
Multiplier
quadrant multiplier regulates gate driver with respect output voltage half wave rectified input voltage. Both inputs designed achieve good linearity over wide dynamic range represent line free from distortion. Special efforts made assure universal line applications with respect range. multiplier output internally clamped 1.3V. MOSFET protected against critical operating during start
Current sense comparator, Flip-Flop
external sense resistor transferes source current MOSFET into sense voltage.The multiplier output voltage compared with this sense voltage. protect current comparator input from negative pulses current source inserted which sends current ISENSE every time when ISENSE falling below ground potential. switch-on current peak MOSFET blanked leading edge blanking circuit with blanking time tyically 400ns. Flip-Flop ensures that only single switch-on switch-off pulse appears gate drive output during given cycle (double pulse suppression).
Infineon Tech
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23.02.01
Infineon Technologies
TDA4863
Zero Current Detector
zero current detector senses inductor current auxiliary winding ensures that next on-time MOSFET initiated immediately when inductor current reached zero. This diminishes revers recovery losses boost converter diode. MOSFET switched when voltage drop shunt resistor reaches voltage level multipler output. boost current waveform triangular shape there deadtime gaps between cycles. This leads continuous line current limiting peak current twice average current. prevent false tripping zero current detector designed Schmitt-Trigger with hysteresis 0.5V. internal clamp protects input from overvoltage breadkdown, 0.6V clamp prevents substrate injection. external resistor used series with auxiliary winding limit current through clamps.
Restart Timer
restart timer function eliminates need oscillator when. timer starts restarts TDA4863 when driver output been more than 150us after inductor current reaches zero.
Undervoltage Lockout
undervoltage lockout circuitry switches when reaches upper threshold VCCH switches when falling below lower threshold VCCL. During start supply current less then 100uA. internal voltage clamp been added protect from overvoltage condition. When using this clamp special care must taken power dissipation. Start current provided external start resistor which connected from line input supply voltage storage capacitor which connected from ground. aware that this capacitor discharged befor plugged into application board. Otherwise destroyed high capacitor voltage. Bootstrap power supply created with previous mentioned auxiliary winding diode (see application circuit).
Gate Drive
TDA4863 totem pole output stage MOSFET compatible. internal protection ciruitry activated when within start phase ensures that MOSFET turned off. totem pole output been optimized minimize cross conduction current during high speed operation.
Infineon Tech
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23.02.01
Infineon Technologies
TDA4863
Signal Diagrams
IVAOUT
IOVR
DETIN
GTDRV
VISENSE
multout
Icoil
Infineon Tech
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23.02.01
Infineon Technologies
TDA4863
Absolute maximum ratings Parameter
Supply Zener Current Supply Voltage Voltage 1,3,4 Current into IVAOUT Current into IDETIN Current into Protection Storage Temperature Operating Junction Temperature Thermal Resistance Junction-Ambient Tstg RthJA IGTDRV -500 2000
Symbol
ICCH+Iz
-0.3 -0.3
Unit
Remark
Vz=Zener Voltage Icc+Iz=20mA
VAOUT=4V,VSENSE=2.8V VAOUT=0V,VSENSE=2.3V t<1ms DETIN DETIN< 0.4V t<1ms
t<1ms 883C method 3015.6, 100pF,1500
P-DIP-8 P-DSO-8
Infineon Tech
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23.02.01
Infineon Technologies
TDA4863
Characteristics
Unless otherwise stated, -40°C<Tj <150 14.5V
Parameter Start-Up circuit
Zener Voltage Start-up supply current Operating supply current Turn-ON threshold Turn-OFF threshold Hysteresis
Symbol
min.
typ.
max.
Unit
Test Condition
ICCL ICCH VCCON VCCOFF VCCHY
Icc+Iz=20mA Vcc=10V Output
12.5
Voltage Amplifier
Voltage feedback Input Threshold Line regulation Open Loop Voltage Gain1) Unity Gain Bandwidth1) Phase Margin1) Bias current VSENSE Enable Threshold Inhibit Threshold Voltage Inhibit Time Delay Output Current Source Output Current Sink Upper Clamp Voltage Lower Clamp Voltage VFBLR IBVSENSE VVSENSEE VVAOUTI tdVA IVAOUTH IVAOUTL VVAOUTH VVAOUTL -1.0 -0.3 2.45 2.55 Degr VISENSE= -0.1V VISENSE= -0.1V VAOUT=0V VSENSE=2.3V, t<1ms VAOUT=4V VSENSE=2.8V,t<1ms VSENSE=2.3V, -0.2mA VSENSE=2.8V, I=0.5mA Pin1 connected with Pin2 VCC=12V 16V, Tj=25°C
Overvoltage Regulator
Threshold Current IOVR
Infineon Tech
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Infineon Technologies
TDA4863
Parameter Current Comparator
Input Bias Current Input Offset Voltage Threshold Voltage Threshold Leading Edge Blanking (minimum on-time) Shut Down Delay
Symbol
min.
typ.
max.
Unit
Test Condition
IBISENSE VISENSEO
-0.2
1.05
VISENSE=0V VMULTIN=0V VAOUT=2.4V -25°C<Tj<150 IOVR=50uA Threshold VISENSE>0.5V
VISENSEM VISENOVR tLEB tdISG
0.95
0.05
Detector
Upper threshold voltage Lower threshold voltage Hysteresis Input current Input clamp voltage High state state VDETINU VDETINL VDETINHY IBDETIN VDETINHC VDETINLC -0.2 VDETIN=2V IDETIN=5mA IDETIN=-5mA
Multiplier
Input bias current Dynamic voltage range MULTIN Dynamic voltage range VAOUT Multiplier Gain IBMULTIN VMULTIN -0.2 VFB+1.
VMULTIN=0V VVAOUT=2.75V VMULTIN=1V VVAOUT<3V, VMULTIN=1V VVAOUT>3.5V,VMULTIN=1V
VVAOUT Klow Khigh
0.18
K=delta VVISENSE/deltaVVAOUT VMULTIN=constant
Restart Timer
restart time tRES
Infineon Tech
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23.02.01
Infineon Technologies
TDA4863
Parameter Gate Drive
Output voltage state Output voltage state Output voltage state Output voltage high state Output voltage high state Output voltage high state Output voltage active shut down Rise time Fall time
Symbol
min.
typ.
max.
Unit
Test Condition
VGTL VGTL VGTL VGTH VGTH VGTH VGTSD trise tfall
10.9 10.7
IGT= IGT= 20mA IGT=200mA IGT=-20mA, VCC=14.5V IGT=-200mA, VCC=14.5V IGT=-2mA, VCC=11V Diagram IGT=20mA, VCC=9V CGT= Vout=2.8V CGT= Vout=2.8V
Infineon Tech
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23.02.01
Infineon Technologies
TDA4863
Electrical Diagrams
Diagram versus
Vcc/V
Diagram VCCON/OFF versus Temperature
Diagram ICCL versus Temperature, VCC=9V
ICCL
Diagram Iccl versus
Iccl
Infineon Tech
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23.02.01
Infineon Technologies
TDA4863
Diagram vers. Temperature
(pin1 connected pin2) 2,55 2,54 2,53 2,52 2,51 2,49 2,48 2,47 2,46 2,45 GV/dB
Diagram Open loop gain Phase versus frequency Phi/deg
0,01
f/kHz
1000 10000
Diagram Overvoltage Regulator VISENSE vers. Threshold Voltage
VVAOUT 3.5V VMULTIN 3.0V
Diagram Leading edge blanking (minimum on-time) vers. Temp.
VISENSE VVAOUT>3V
Iovp
Infineon Tech
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23.02.01
Infineon Technologies
TDA4863
Diagram Current Sense Threshold VISENSE versus VMULTIN
4.5V 4.0V 3.5V
Diagram Current sense threshold VISENSE versus VVAOUT
Vmultin=4.0
VISENSE/
VISENSE
VAOUT=2.75V 3.0V 3.25V
0.25
VMULTIN
VVAOUT
Diagram Restart time versus temperature
trst
Infineon Tech
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23.02.01
Infineon Technologies
TDA4863
Diagram Gate Drive Voltage high state, VCC=14.5V
Diagram Gate Drive Rise Time Fall Time vers. temperature
rise time rise time
VDRV
fall time
Diagram Gate drive voltage high state versus
11,5 10,5
VGTH
IGT=-2mA IGT=-20mA
IGT=-200mA
Infineon Tech
Group
23.02.01
Infineon Technologies
TDA4863
Application circuit: Pout=110W, universal Input Vin=90-270V
L1=750uH E36/11,N27; gap=2mm W1=85 turns,d=40x0.1 W2=17 turns, d=0.3 filter 90-270V rectifier 3.3n 400V MR856 Vout 410V
120k
120k
CoolMOS SPP04N60S5 0.95 47uF 450V 820k
470k 470k
47uF
220n
TDA4863 9.1k
820k
9.1k
Total Harmonic Distortion VACin/V Pout=70W Pout=34W Pout=10W Pout=5W
achieveable with samples
Infineon Tech
Group
23.02.01

TDA4863 Power Factor Controller Boost Controller High P

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