STV5180 CONTROL I.C. FOR SWITCH MODE POWER SUPPLY AND FOR LINE DEFLECTION ADVANCE DATA SECONDARY SIDE SWITCH MODE POWER SUPPLY INTERNAL PWM SIGNAL GENERATOR SYNCHRONIZATION OR FREE RUNNING MODES SOFT START REFERENCE VOLTAGE ADJUSTABLE BY I 2C BUS WIDE FREQUENCY RANGE MINIMUM OUTPUT PULSE WIDTH 2.4µs STAND-BY MODE, COMMANDED STBY INPUT OR I2C BUS .. .. .. . .. .. . . . part of an off-line SMPS, sending pulses to the slaved TEA2260/61 which are located on the primary side of the main transformer. Dedicated for TV set applications, it contains also a line deflection control circuit to insure a high level of safety for the power deflection stage. These two functions are 2 commanded by I C bus. HORIZONTAL DEFLECTION CONTROLLER INTERNAL PWM SIGNAL GENERATOR SYNCHRONIZATION OR FREE RUNNING MODES SOFT START PERMANENT CONTROL OF DUTY CYCLE TO SAFE THE POWER STAGE CHOICE (BY I2C BUS) OF THE ACTIVE EDGE OF THE INPUT SIGNAL ON/OFF FUNCTION COMMANDED BY I 2C BUS STAND-BY MODE COMMANDED BY STBY INPUT AND BY I2C BUS SO16 WIDE (Plastic Micropackage) ORDER CODE : STV5180 DESCRIPTION The STV5180 is designedto work in the secondary SOFT START SMPS Csfs 1 16 RTs SMPS OSCILLATOR RESISTOR VOLTAGE SUPPLY V CC 2 15 CTs SMPS OSCILLATOR CAPACITANCE PWM OUTPUT SMPS Pouts 3 14 Eout OUTPUT ERROR AMPLIFIER GND 4 13 E- INPUT ERROE AMPLIFIER HORIZONTAL DRIVE PULSE Poutd 5 12 SDA I 2 C BUS INPUT I 2 C BUS INPUT GROUND DEFLECTION SOFT START Csfd 6 11 SCL DEFLECTION OSCILLATOR RESISTOR RTd 7 10 STBY TEST POINT DELECTION OSCILLATOR CAPACITANCE CTd 8 9 August 1994 HDR 5180-01.EPS PIN CONNECTIONS LINE SYNC PULSE FROM SIGNAL /DEFLECTION PROCESSOR 1/5 STV5180 BLOCK DIAGRAM STV5180 CTs RTs Csfs 15 16 1 SMPS OSCILLATOR VREF PWM Internal Supply 3 Pouts 14 Eout D/A 8-BIT 13 EError Amp REGISTER Trigger Slope Selection V Aux Deflection ON/OFF PWM DEFLECTION OSCILLATOR 2 10 12 11 9 8 7 VCC STBY SDA SCL H-DRIVE CTd RTd 6 5 Poutd 4 5180-02.EPS 2 I BUS INTERFACE Cfsd GND Symbol VCC Tj Tstg Parameter Supply Voltage Operating Junction Temperature Storage Temperature Range Value Unit 6 V 150 °C 0, + 70 °C Value Unit 75 °C/W 5180-01.TBL ABSOLUTE MAXIMUM RATINGS Symbol Rth (j-a) Parameter Junction-ambient Thermal Resistance 5180-02.TBL THERMAL DATA RECOMMANDED OPERATING CONDITIONS Min. Typ. 4.5 5 V Timing Resistor 82 kΩ Timing Capacitor 1 nF Fosc Oscillator Frequency 16 kHz Tamb Operating Ambient Temperature 0 70 °C Output Current (Pin 3 and Pin 5) VOUT = 2.5V 30 70 mA Power Supply Voltage RT CT ISOURCE 2/5 Parameter VCC Max. Unit 5180-03.TBL Symbol STV5180 ELECTRICAL CHARACTERISTICS (TA = 25oC, VCC = 5V) Symbol Parameter Test Conditions Min. Typ. Max. Unit SMPS OSCILLATOR Free Period RT = 82kΩ ; CT = 1nF 57 60 63.5 µS TONmin Minimum Duty Cycle RT = 82kΩ ; CT = 1nF 1.8 2.4 3 D ONmax Maximum Duty Cycle RT = 82kΩ ; CT = 1nF 70 75 80 µS % WSPOS Positive Triggering Window WSNEG Negative Triggering Window T1 Ttrig+ − T0 T0 T0 − Ttrig− T0 RT = 82kΩ ; CT = 1nF 33 % RT = 82kΩ ; CT = 1nF 20 % DEFLECTION OSCILLATOR T2 Free Period RT = 82kΩ ; CT = 1nF DON Duty Cycle RT = 82kΩ ; CT = 1nF 50 µS % RT = 82kΩ ; CT = 1nF 30 µS RT = 82kΩ ; CT = 1nF 20 % RT = 82kΩ ; CT = 1nF 0 % TOFF Ttrig+ − T0 T0 WDPOS Positive Triggering Window WDNEG Negative Triggering Window T0 − Ttrig− T0 57 60 63.5 INTERNAL VOLTAGE REFERENCE VREFmin VREFmax Minimum Voltage Reference Maximum Voltage Reference DAC set to 00 Hex DAC set to 3F Hex 1.76 2.08 1.84 2.16 4 4.5 0.5 1.92 2.24 V V 1 70 70 V V mA mA V POUTH VPOUTL ISINK ISOURCE Output High Level (Pin 3 and 5) Output Low Level (Pin 3 and 5) Sink Current (Pin 3 and 5) Source Current (Pin 3 and 5) Iload = 1mA Iload = -1mA VPOUT = 2.5V VPOUT = 2.5V 30 30 DAC 6 bits DAC ; power on default value : 00 Hex. 3/5 5180-04.TBL POWER OUTPUT STAGES STV5180 SOFTWARE SPECIFICATION I2C Bus Address 8C Hex. Overview The data consists of two bytes with the following possible values : Byte n° Bit n° 1 d0 to d5 DAC value for output voltage adjustment ; d0 = LSB ; Default = 00 d6 to d7 Subaddress 0 ; d6 = d7 = 0 2 Function d0 Mode switching ; Stand-by = 0 ; ON = 1 ; Default = 1 d1 H-Deflection ON/OFF ; OFF = 0 ; ON = 1 ; Default = 1 d2 Polarity H-Drive ; Chroma4 = 1 ; Philips = 0 ; Default = 0 d3 to d5 Unused d6 to d7 Subaddress 1 ; d6 = 1 ; d7 = 0 Command Codes 1 2 3 4 5 6 4/5 Normal Operating Stand-by Power Stand-by Triggering Slope Positive Triggering Slope Negative Output Voltage Adjustment : : : : : : 43 Hex 40 Hex 41 Hex 43 Hex 47 Hex 00 to 3F Hex STV5180 PACKAGE MECHANICAL DATA 16 PINS - PLASTIC MICROPACKAGE G c1 s e3 b1 e a1 b A a2 C L E D M 9 1 8 Dimensions Millimeters Typ. 0.1 0.35 0.19 Max. 1.75 0.2 1.6 0.46 0.25 Min. Inches Typ. 0.004 0.014 0.007 0.5 Max. 0.069 0.008 0.063 0.018 0.010 0.020 45o (typ.) 9.8 5.8 10 6.2 0.386 0.228 1.27 8.89 3.8 4.6 0.5 0.394 0.244 0.050 0.350 4.0 5.3 1.27 0.62 0.150 0.181 0.020 0.157 0.209 0.050 0.024 SO16N.TBL A a1 a2 b b1 C c1 D E e e3 F G L M S Min. PM-SO16N.EPS F 16 8 o (max.) Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such infor mationnor for any infringement of patents or other rights of third parties which may result from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics produc ts are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. 1994 SGS-THOMSON Microelectronics - All Rights Reserved 2 Purchase of I C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips I2C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 5/5