iw for 9V2A Adapter Design

Transcription

1 iw70-0 for 9VA Adapter Design General Design Specification :. AC Input Range 90-6Vac. DC Output 9V, A 3. Meet EPA_.0 Requirement with 0AWG/.8m DC-Cable. Max Ripple <80mVP_P

2 . Specification Input Description Symbol Min Typ Max Units Comment Voltage V IN 90 6 V AC Wire Frequency f LINE 7 50/60 63 Hz No-load Input Power (30V AC ) 0.3 W Output Output Voltage V OUT V Measured at the end of Cable(0AWG,.8M) Output Current I OUT 0 A Output Ripple Voltage V RIPPLE 80 mv P_P Measured at the End of DC Output cable I OUT MHz Bandwidth Total Output Power Continuous Output Power P OUT 8 W Over Current Protection I OUT_OCP 3 A Auto-restart Efficiency η 80.3 % Measured at end of PCB, V IN = 5V AC and 30Vac, I OUT = 3A. (T A = 5 ) Environmental Conducted EMI Safety Meets CISPRB / EN550B Designed to meet IEC60950, UL60950 Class II Ambient Temperature T AMB 0 0 C Free convection, sea level iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009

3 3 iwatt Confidential iw70-0 For 9VA Adapter Design Sep 9, 009.Schematic Circuit Optional: OVP and OTP circuit F A/50V D N007 D N007 D3 N007 D N007 Q N60 NTC NC VCC 8 VIN 3 VSENSE NC SD GND 5 ISENSE 6 OUTPUT 7 IC IW L L-UU L T C 33uF/00V R3 3M R 3M R6 50K R7 50K R8 50K R9 68R R.7K R 0K R0.7R R 0K R3 3.6K R NC R5 00R R7 K R6 K R8.5R C0 680uF/6V C 680UF/6V C3 0uF/50V D90A/60V D5 RSML C nf 500V C9 70pF C7 0pF C6 0pF C5 330pF C 0.uF C8 pf D6 FR0 R0 8R MOV ESD ESD L N V+ V- CX 0.UF X R9.5R D7 N8 C 0pF ZD V W D8 N8 R5 50K R.M R.M 0.7*96TS CY 0pF Y 0.7*.5TS 9V A 90V-6VAC

4 3. Option Circuit for OTP&OVP Option-: Both OTP and OVP Option-: OTP Only Option-3: OVP Only * OTP and OVP circuit * OTP circuit * OVP circuit iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009

5 . Circuit Board Photograph 3.5mm 59.5mm Primary Side QR Mode Controller iw70-0 0mm.6mm 3.0mm MAX iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009 5

6 5. Bill of Material Item Qty. Ref. Description Item Qty. Ref. Description IC iw70-0, Off-line digital QR Mode Controller, SO-8 3 ZD V W 5% C 33uF, 00V, E-CAP 3x Q STBNK60, A/600V, MOSFET, TO-0 3 C nf,500v, SMD R,R.MΩ ±5 %, SMD-06 C3 0uF,50V,E-CAP,5x.5, low ESR 6 R3 3.0MΩ±5 %,SMD-06 5 C 0.uF,5V, SMD R 3.0MΩ ±5 %, SMD-06 6 C5 330pF,5V, SMD R5,R6,R7 50KΩ ±5 %, SMD C6 0pF,5V, SMD R8 50KΩ ±5 %, SMD-06 8 C7 0pF,5V, SMD R9 68Ω ±5 %, SMD-06 9 C8 pf,5v, SMD R0.7Ω ±5 %,SMD C9 70pF, 00V, SMD R 0KΩ ± %,SMD-0805 C0.C 680uF 6V,8x0,low ESR 33 R 0KΩ ± %,SMD-0603 C 0pF,5V, SMD-06 3 R3 3.6K ± %, SMD CX 0.uF, 75V,X 35 R NC CY Y-CAP, nf,y 36 R5 0Ω ±5 %,/8W 5 D,D,D3,D N007, Rectifier Diode DO- 37 R6 KΩ ±5 %,SMD D5 RSML,Fast Rectifier Diode,SMD 38 R7 KΩ ±5 %,/8W 7 D6 FR0, Fast Rectifier Diode DO- 39 R8,R9.5Ω ± %,SMD-06 8 D7,D8 N8,Fasr Recifier Diode LL-3 0 R0 8Ω ±5 %, SMD D9 Y060DN, schottcky, TO-0 R.7KΩ ±5 %, SMD-06 0 F A/50V, Fuse T EE, Transformer L UU9.8, 5mH,CM-chock Inductor, 3 PCB single side PCB, 9V0 L 50uH,CM-chock Inductor,T8.5X.5X3 iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009 6

7 6. Transformer Drawing SCHEMATIC NC Forward- 8T Primary- Forward- 7T 7T 7T S- Fly-A 7T Secondary S- Fly-B (F) NC (S) (S) UEW 0.mm 7T Forward -(Clockwise) UEW 0.3mm 7T Primary- (Clockwise) T 3T tape Primary- 5 Bias 3 3T 8T S- Note:. Dot ( ) denote electrical start.. Electrical start could be different to Mechanical start. 3. Ferrite core is to be connected to Pin (3) 3(F) (S) Triple Insulated Wire 0.3mmX_7T Secondary (Anti-Clockwise) Triple Insulated Wire 0.35mmX_7T Secondary (Anti-Clockwise) UEW 0.mmX 8T- Forward -(Clockwise) Fly-A (F) Fly-B (S) Fly-A (F) Fly-B (S) T tape ELECTRICAL SPECIFICATIONS:. Primary Inductance (Lp) =580uH+ Electrical Strength = 3KV, 50/60Hz,Min(pins~5 to pins A~B) MATERIALS:. Core : EE(Ferrite Material TDK PC0 or equivalent). Bobbin : EE Vertical 3. Magnet Wires : Type -UEW. Layer Insulation Tape :3M98 or equivalent. (S) (F) 5(S) UEW 0.mmX 8T- Bias (Clockwise) UEW 0. 35mmx_T Primary- (Clockwise) UEW 0.35mmx_T Primary- (Clockwise) T tape FINISHED :. Varnish the complete assembly iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009 7

8 7. Regulation, Ripple and Efficiency Measurement Spec. Vout(V): 9 Iout(mA) 000 VIN (VAC) PIN VOUT IOUT VRIPPLE POUT η OCP Average EPA.0 (W) (V) (A) (mvp-p) (W) (%) (A) η (%) η(%) Note: Output voltage measured at end of PCB iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009 8

9 8. EPA_.0 Requirement EPA.0 (Final) for Standard Models (Pno=8W) : V IN I OUT P IN Measure at end of PCB Measure at end of Cable (0AWG/.8m, R Cable =0.5Ω) (VAC) (ma) (W) 5 V OUT_PCB P OUT_PCB EFF _PCB AV-EFF _PCB V OUT_Cable P OUT_Cable EFF _Cable AV-EFF _Cable (V) (W) (%) (%) (V) (W) (%) (%) iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009 9

10 9. Output VI Characteristics * Note: Output voltage is measured at end of PCB VIN=90Vac/50Hz VIN=6Vac/50Hz VOUT(V/Div) VOUT(V/Div) I OUT (500mA/Div) I OUT (500mA/Div) iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009 0

11 0. Turn On Delay Time 90V AC,Full Load T ST_DELAY =.3S 5V AC,Full Load T ST_DELAY =.0S 30V AC,Full Load T ST_DELAY =0.8S 6V AC,Full Load T ST_DELAY =0.38S iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009

12 . AC Startup Voltage Characteristic No Load, VIN_STARTUP =6VAC Full Load, VIN_STARTUP =7.VAC iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009

13 . AC Brownout Voltage Characteristic No Load, VIN_STARTUP =37.6VAC Full Load, VIN_STARTUP =7.0VAC iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009 3

14 3. Dynamic Load Response Condition: ). Load: 0A-.0A-0A ).Slew-Rate: 0.5A/uS 3).Freq.: 00Hz ). Duty-Cycle: 50% * Note: Output voltage is monitored at end of PCB Vin=90VAC Vin=5VAC Vin=30VAC Vin=6VAC iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009

15 3. Dynamic Load Response Condition: ). Load:.0A-.0A-.0A ).Slew-Rate: 0.5A/uS 3).Freq.: 00Hz ). Duty-Cycle: 50% * Note: Output voltage is monitored at end of PCB Vin=90VAC Vin=5VAC Vin=30VAC Vin=6VAC iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009 5

16 . VDS Waveform Test Condition: V IN =6VAC,I OUT =A Result: V DS_MAX =530V Appendix Simple Specification for used Transistor (STBNK60Z) iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009 6

17 5. Conducted EMI VIN=30Vac, Live QP AV VIN=30Vac, Neutral QP AV Note: Full & Resistive Load and output is Grounded iw70-0 For 9VA Adapter Design iwatt Confidential Sep 9, 009 7