EVAL6599-90W STMicroelectronics, EVAL6599-90W Datasheet

Page 1

... PFC stage allows meeting the severe no-load consumption requirement. The PFC TM operation and the top-level efficiency performance of the HB-LLC topology provide also a very good overall efficiency of the circuit. L6599 & L6563 90W - adapter demo-board (EVAL6599-90W) May 2007 Application note adapter with PFC for laptop computers ...

Page 2

Contents Contents 1 Main characteristics and circuit description . . . . . . . . . . . . . . . . . . . . . 5 2 Test results . . . . . . . ...

Page 3

AN2321 List of tables Table 1. Efficiency measurements - Vin=115 Vac . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 4

List of figures List of figures Figure 1. Electrical diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 5

AN2321 1 Main characteristics and circuit description The main characteristics of the SMPS are listed here below: ● Universal input mains range: 90÷264 Vac - frequency ● Output voltage: 19 V@4.7 A continuous operation ● Mains ...

Page 6

Main characteristics and circuit description Figure 1. Electrical diagram STQ1HNK60R 6/29 BZV55-C18 YXF 470uF-35V YXF 470uF-35V 1 4 STP12NM50FP AN2321 2 3 ...

Page 7

AN2321 2 Test results 2.1 Efficiency measurements Table 1 and Table 2 load conditions. Efficiency is then calculated. For all measurements, both at full load and no load operation, the input power has been measured by a digital power meter, ...

Page 8

Test results Figure 2. Efficiency vs. Pout The global efficiency at full load has been measured with good results even at the limits of the input voltage range: Vin = 90Vac - full load Pin = 100.5 W Efficiency = ...

Page 9

AN2321 The transformer primary current wave shape is the CH4 trace. As shown almost sinusoidal, because the operating frequency is slightly above the resonance of the leakage inductance and the resonant capacitor (C28). In this condition, the circuit ...

Page 10

Test results Figure 5. Input power without load vs. mains voltage The result is visible in output voltage is perfectly regulated at its nominal value, with just a negligible residual ripple over imposed (~140mV). Thanks to the burst mode and ...

Page 11

AN2321 Table 3. Stand-by consumption - Vin=115 Vac Vout [V] 19.01 19.01 19.01 19.01 Table 4. Stand-by consumption - Vin=230 Vac Vout [V] 19.01 19.01 19.01 19.01 Figure 8 shows the waveforms of the output voltage and current during a ...

Page 12

Test results 2.4 Short circuit protection The L6599 is equipped with a current sensing input (pin #6, ISEN) and a dedicated over current management system. The current flowing in the circuit is detected and the signal is fed into the ...

Page 13

AN2321 be appreciated in described above. 2.5 Over voltage protections Both circuit stages, PFC and resonant, are equipped with their own over voltage protection. The PFC controller L6563 is internally equipped with a dynamic and a static over voltage protection ...

Page 14

Test results set by the divider R11, R12, R13, R28. As soon as it reaches the L6599 LINE pin threshold, the resonant starts to operate. Hence the output voltage rises according to the soft-start and reaches the nominal level. This ...

Page 15

AN2321 3 Thermal tests In order to check the design reliability, a thermal mapping by means Camera was done. Here below the thermal measures of the board, component side, at nominal input voltage are shown. Some pointers ...

Page 16

Thermal tests Figure 15. Thermal map @230 Vac - full load Table 6. Temperature of measured points @230Vac - full load All other components of the board are working within the temperature limits, assuring a reliable long term operation of ...

Page 17

AN2321 4 Conducted emission pre-compliance test The limits indicated on both diagrams at 115 Vac and 230 Vac comply with EN55022 Class- B specifications. The values are measured in peak detection mode. Figure 16. CE peak measure at 115 Vac ...

Page 18

Bill of material 5 Bill of material Table 7. Bill of material Res. Part type/ des. part value C1 470N-X2 C1 470N-X2 C10 22N C11 10N C12 470N C13 1uF C14 100N C15 10uF-50V C16 2N2 C17 470PF C18 2 ...

Page 19

... Bill of material Supplier AVX AVX AVX EVOX-RIFA PANASONIC VISHAY VISHAY VISHAY STMicroelectronics STMicroelectronics VISHAY VISHAY VISHAY VISHAY VISHAY VISHAY VISHAY STMicroelectronics VISHAY VISHAY VISHAY WICHMANN DWG DWG DWG PHOENIX CONTACT PHOENIX CONTACT DELTA ELECTRONICS DELTA ELECTRONICS COILCRAFT STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics 19/29 ...

Page 20

... SMD STANDARD FILM RES - 1 250ppm/°C SMD STANDARD FILM RES - 1 250ppm/°C SMD STANDARD FILM RES - 1 250ppm/°C SMD STANDARD FILM RES - 1 250ppm/°C AN2321 Supplier STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS BC COMPONENTS ...

Page 21

AN2321 Table 7. Bill of material (continued) Res. Part type/ des. part value R39 130R R4 2M4 R40 6R8 R41 100R R42 5K6 R43 51R R44 2K7 R46 100K R47 1K0 R48 47K R49 39K R50 6K2 R51 120K R52 ...

Page 22

... U1 L6563 U2 L6599D U3 SFH617A-2 U4 TL431AIZ 1. R101 mounted by reworking on PCB 22/29 Description SMD STANDARD FILM RES - 1 250ppm/°C RESONANT POWER TRANSFORMER TRANSITION-MODE PFC CONTROLLER HIGH VOLTAGE RESONANT CONTROLLER OPTOCOUPLER PROGRAMMABLE SHUNT VOLTAGE REFERENCE AN2321 Supplier BC COMPONENTS DELTA ELECTRONICS STMicroelectronics STMicroelectronics INFINEON STMicroelectronics ...

Page 23

AN2321 6 PFC coil specification ● Application type: consumer, IT ● Transformer type: open ● Coil former: vertical type, 6+6 pins ● Max. temp. rise: 45 °C ● Max. operating ambient temp.: 60 °C ● Mains insulation: N.A. 6.1 Electrical ...

Page 24

PFC coil specification 6.2 Mechanical aspect and pin numbering ● Maximum height from PCB ● Coil former type: vertical, 6+6 pins ● Pin distance: 5.08 mm ● Pins # 10, 12 are removed - ...

Page 25

AN2321 7 Resonant power transformer specification ● Application type: consumer, IT ● Transformer type: open ● Coil former: Horizontal type, 7+7 pins, 2 Slots ● Max. temp. rise: 45 °C ● Max. operating ambient temp.: 60 °C ● Mains insulation: ...

Page 26

Resonant power transformer specification 7.2 Mechanical aspect and Pin numbering ● Maximum height from PCB ● Coil former type: horizontal, 7+7 Pins (Pins 1 and 7 are removed) ● Pin distance ● Row distance ...

Page 27

AN2321 8 PCB lay-out Figure 22. Thru-hole component placing and top silk screen Figure 23. SMT component placing and bottom silk screen Figure 24. Copper tracks PCB lay-out 27/29 ...

Page 28

Revision history 9 Revision history Table 10. Revision history Date 01-Aug-2006 15-May-2007 28/29 Revision 1 Initial release. – Figure 1 changed 2 – Minor text changes AN2321 Changes ...

Page 29

... AN2321 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...