ICE1CS02G

Manufacturer Part NumberICE1CS02G
DescriptionIC PFC CTRLR AVERAGE CURR DSO16
ManufacturerInfineon Technologies
ICE1CS02G datasheet
 


Specifications of ICE1CS02G

ModeAverage CurrentFrequency - Switching65kHz
Current - Startup1.3mAVoltage - Supply11 V ~ 25 V
Operating Temperature-40°C ~ 150°CMounting TypeSurface Mount
Package / CaseDSO-16Lead Free Status / RoHS StatusLead free / RoHS Compliant
Other namesSP000444092
SP000783614
  
1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Page 1/27

Download datasheet (439Kb)Embed
Next
V e r s i o n 1 . 0 , 2 5 J u l y 2 0 0 8
Combi PFC/ PWM Controller
ICE1CS02
ICE1CS02G
P o w e r M a n a g e m e n t & S u p p l y
N e v e r
s t o p
t h i n k i n g .

ICE1CS02G Summary of contents

  • Page 1

    ... Combi PFC/ PWM Controller ICE1CS02 ICE1CS02G & ...

  • Page 2

    ... Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body support and/or maintain and sustain and/or protect human life ...

  • Page 3

    Off-Line SMPS Current Mode PFC/ PWM Combinational Controller Product Highlights • Internal Synchronization • External Synchronization • Pre-short Protection • AC brownout feature • Pb-free lead plating, RoHS compilant • Enhanced Dynamic Response Features • Fast, soft switching totem pole ...

  • Page 4

    Table of Contents 1 Pin Configuration and Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 1.1 Pin Configuration ...

  • Page 5

    Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 6

    Pin Configuration and Functionality 1.1 Pin Configuration Pin Symbol Function 1 PFC ICOMP Current Loop Compensation 2 PFC VSENSE V Sense Input BUS 3 PFC OVP V Overvoltage Sense BUS Input 4 PFC VCOMP Voltage Loop Compensation 5 GND ...

  • Page 7

    PFC ISENSE (Current Sense Input) The ISENSE Pin senses the voltage drop at the external sense resistor (R1). This is the input signal for the average current regulation in the current loop also fed to the peak current ...

  • Page 8

    Representative Blockdiagram & G10 VREF 15.4k 25kΩ PWM FB Internal preshort 2pF UVLO PWM brownout 0.4V C13 3.80V 30us C9 PWM Pre- short ICE1CS02 - PWM Portion ICE1CS02 - PFC Portion Brown-Out Detection ± 100uA C5 30us VINS 1.25V ...

  • Page 9

    Functional Description All values which are used in the functional description are typical values. For calculating the worst cases the min/max values which can be found in section 4 Electrical Characteristics have to be considered. 3.1 Introduction The ICE1CS02 ...

  • Page 10

    PFC Section The IC operates with a cascaded control; the inner current loop and the outer voltage loop. The inner current loop of the IC controls the sinusoidal profile for the average input current. It uses the dependency of ...

  • Page 11

    VCC > V CCUVLO V (VAC) IN (1) V INMIN Normal IC’s Operation State (1) V where BOP activates depends on the output power INMIN Figure 7 V Related Protection Features IN V OUT V OUT,Rated PCL OLP OVP Figure ...

  • Page 12

    Full-wave Current Limit Rectifier 1.0V ISENSE R2 1.43x I INDUCTOR Figure 11 Peak Current Limit (PCL) 3.4.6 Open Loop Protection / Input Under Voltage Protect (OLP) Whenever VSENSE voltage falls below 0.6V, or equivalently V falls ...

  • Page 13

    The objective of the current loop is to regulate the average inductor current such that it is proportional to the off duty cycle D , and thus to the input voltage OFF V . Figure 14 shows the scheme to ...

  • Page 14

    L1 D1 From Full-wave Retifier R7 Gate Driver Current Loop + PWM Generation V IN Nonlinear Av(I ) Gain IN t VCOMP R6 C4 Figure 16 Voltage Loop 3.4.15 Enhanced Dynamic Response Due to the low frequency bandwidth of the ...

  • Page 15

    When the V exceeds the on-threshold voltage sense 2.85V, the IC starts the soft start mode. The function is realized by an internal soft start resistor, an internal ...

  • Page 16

    If Vout is 330V, the duty cycle will be set back to 0.47.The switching frequency is set to f 3.5.4 PWM-Latch FF1 The output of the oscillator clock will provide continuous pulse to the PWM-Latch which would turn on the ...

  • Page 17

    Leading Edge Blanking V Sense V csth t = 220ns LEB Figure 25 Leading Edge Blanking Whenever MOS switch is switched on, a leading edge spike is generated due to capacitances and the reverse recovery time of secondary-side rectifier. ...

  • Page 18

    PWM External Shut down by Pre-Short Whenever V fall below the value set by pin 11 Preshort (PWM Pre-short) of 0.4V, the PWM output will be shut down, as shown in Figure 30. PWM Pre-Short 0.4V Figure 30 PWM ...

  • Page 19

    Electrical Characteristics Note: All voltages are measured with respect to ground (Pin 5). The voltage levels are valid if other ratings are not violated. 4.1 Absolute Maximum Ratings Note: Absolute maximum ratings are defined as ratings, which when being ...

  • Page 20

    Operating Range Note: Within the operating range the IC operates as described in the functional description. Parameter VCC Supply Voltage Junction Temperature of Controller 4.3 Characteristics 4.3.1 Supply Section Note: The electrical characteristics involve the spread of values guaranteed ...

  • Page 21

    Internal Voltage Reference Parameter Output Reference Voltage Load Regulation Line Regulation Maximum Source Current 1) max pulling current depends on max operating junction temperature 4.3.3 PWM Control Loop Section Parameter PWM-OP Gain Max. Level of Voltage Ramp V Operating ...

  • Page 22

    PWM Current Limiting Parameter Peak Current Limitation Leading Edge Blanking CS Input Bias Current 4.3.6 PWM Slope Compensation Parameter Peak Current for Slope Compenation 4.3.7 PWM Timing Section Parameter Soft Start Timing Fixed Oscillator Frequency Synchronizable range Max. Duty ...

  • Page 23

    PFC Timing Section Parameter Fixed Oscillator Frequency Max. Duty Cycle Min. Duty Cycle Min. Off Time 4.3.9 PFC Current Loop Section Parameter OTA2 Transconductance Gain OTA2 Output Linear Range ICOMP Voltage during OLP 4.3.10 PFC Voltage Loop Section Parameter ...

  • Page 24

    PFC Brown Out Section Parameter PFC Brown Out Threshold VINS Input Bias Current at 1.25V C5 Transconductance Gain VINS_HYS Output Sink / Source Current Blanking time for Turn_On 4.3.12 System Protection Section Parameter PWM Preshort CS PWM Pre-short Timing ...

  • Page 25

    Driver Section Parameter GATE Low Voltage GATE High Voltage GATE Rise Time GATE Fall Time GATE Current, Peak, Rising Edge GATE Current, Peak, Falling Edge 1) Design characteristics (not meant for production testing) Version 1.0 Combi PFC/ PWM Controller ...

  • Page 26

    Outline Dimension PG-DIP-16-4 Dimensions in mm Figure 31 PG-DIP-16-4 Outline Dimension PG-DSO-16-17 (Plastic Dual Small Outline Package) Dimensions in mm Figure 32 PG-DSO-16-17 Outline Dimension Version 1.0 Combi PFC/ PWM Controller Outline Dimension 26 ICE1CS02 25 July 2008 ...

  • Page 27

    ... Geben Sie uns die Chance, hohe Leistung durch umfassende Qualität zu beweisen. Wir werden Sie überzeugen Published by Infineon Technologies AG Quality takes on an allencompassing significance at Semiconductor Group. For us it means living up to each and every one of your demands in the best possible way are not only concerned with product quality ...