Microsoft Word - LD5515_5V1.5A-DB-01 Demo Board Manual

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1 Subject LD5515 Demo Board Model Name (5V/1.5A) Key Features Built-In Pump Express TM Operation Flyback topology with PSR Control Constant Voltage Constant Current High Efficiency with QR Operation (Meet DOE-6) Low Power Saving 1

2 USB Adapter Design Check List Pump Express TM Solution_7.5W USB Adapter MODEL NAME LD5515_DB-00 TOTAL PAGE: 18(Page) Engineer Kevin / Yichuan DATE: 2014/1/3 NO. TEST ITEM SPEC. NAME. PAGE RESULT 1 Input Characteristics - Efficiency >76.65% Kevin 9 ~ 9 PASS 2 Input Characteristics TM Efficiency with Pump Express NA Yichuan 10 ~ 10 NA 3 Input Characteristics - Power Saving <75mW Kevin 11 ~ 11 PASS 4 Output Characteristics CV-CC Regulation NA Kevin 12 ~ 12 NA 5 Output Characteristics CV-CC with Pump Express TM NA Yichuan 13 ~ 13 NA 6 Output Characteristics Ripple voltage <80mV Kevin 14 ~ 14 PASS 7 Turn On Delay Time < 3 sec Kevin 15 ~ 15 PASS 8 Power Component Stress Voltage < 90% Kevin 16 ~ 16 PASS 9 EMI Test - Conduction 10 EMI Test - Radiation EN55022 Class-B CISPR Class-B Kevin 17 ~ 18 PASS Kevin 19 ~ 20 PASS 2

3 Contents Index 1. USB ADAPTER SPECIFICATION INPUT CONDITION OUTPUT CONDITION AMBIENT TEMPERATURE USB ADAPTER APPLICATION CIRCUIT SCHEMATIC BOM LIST TRANSFORMER SPECIFICATION EXECUTIVE SUMMARY INPUT CHARACTERISTICS Efficiency Efficiency with Pump Express TM Operation Power Saving OUTPUT CHARACTERISTICS Constant Voltage and Constant Current Constant Voltage and Constant Current with Pump Express TM Operation RIPPLE VOLTAGE TURN ON DELAY TIME POWER COMPONENT STRESS VOLTAGE EMI TEST-CONDUCTION EMI TEST-RADIATION

4 Table Index Table 1, Input Voltage = 115Vac / 230Vac... 9 Table 2, Efficiency with Pump Express TM Operation Table 3, Power Saving Table 4, CV-CC Regulation Table 5, Constant Voltage and Constant Current with Pump Express TM Operation.. 13 Table 6, Turn On Delay Time Table 7, BJT and Diode Stress Steady State (90V/ 60Hz) Table 8, BJT and Diode Stress Transient State (90V/ 60Hz) Table 9, BJT and Diode Stress Steady State (264V/ 60Hz) Table 10, BJT and Diode Stress Transient State (264V/ 60Hz) Figure Index Fig. 1, Load vs. Efficiency... 9 Fig. 2, Vac vs. Power Saving Fig. 3, CV-CC Curve Fig. 4, Constant Voltage and Constant Current with Pump Express TM Operation Fig. 5, Output 90Vac/47Hz Fig. 6, Output 264Vac/60Hz Fig. 7, Start-up 90Vac/47Hz Fig. 8, 220VAC Line EMI-Conduction Test Fig. 9, 220VAC Neutral EMI-Conduction Test Fig. 10, 220VAC Horizontal EMI-Radiation Test Fig. 11, 220VAC Vertical EMI-Radiation Test

5 1. USB Adapter Specification Pump Express TM Solution_7.5W USB Adapter 1.1. Input Condition AC Input Voltage : 90VAC ~ 264VAC AC Input Frequency : 47Hz ~ 63Hz 1.2. Output Condition Output Voltage : 5V with Pump Express TM Operation Output Current : Typical 1.5A 1.3. Ambient Temperature Ambient Temperature 25 o C 5

6 2. USB Adapter Application Circuit 2.1. Schematic 6

7 2.2. BOM List P/N Component Value Note R1 1.5MΩ, 1206 R2 1.5MΩ, 1206 R3 23.7kΩ, 0603 R5 470kΩ, 1206 R6 1Ω, 0603 R7 68.1kΩ, 0603 R8 47Ω, 0805 R9 2.37Ω, 1206 R Ω, 1206 R11 10pF, 0603, 50V R13 22Ω, 1206 R14 1.5KΩ, 1206 R17 100Ω, 1206 C1 10 F, 400V C2 10 F, 400V C3 2.2 F, 50V C4 470pF, 0603, 50V C5 1000pF, 0603, 50V C6 1000pF, 1kV C F, 10V C8 820 F, 10V C F, 0603, 50V P/N Component Value Note D2 SB540 BD1 TB6S U1 LD5515 Q1 APT13005EZ-E1 RF1 6.8Ω, 1W T1 EE-16 L1 1mH L2 2.2 H L3,L4 Bead core 601A30T King core 7

9 Pin 1 Pin 10 Winding No. Start Terminal Finish Terminal Wire AWG No. Winding Turns Layer No.

8 2.3. Transformer Specification Pump Express TM Solution_7.5W USB Adapter Bobbin:EE16 Core:EE16, PC40 Inductance:1500uH (40kHz, 1V) N P /N S /N aux :142/11/17 Pin 5 Pin 9 Pin 1 Pin 10 Winding No. Start Terminal Finish Terminal Wire AWG No. Winding Turns Layer No. Tape Turns Remark N Φ 142T 4 1 密繞 N2 4 F 0.17Φ 6T 1 3 疏繞 N Φ TEX-E 11T 1 2 密繞 N4 4 F 0.17Φ 4T 1 2 疏繞 N X2Φ 17T 1 1 密繞 Note : CORE 需貼自黏銅箔焊引線接至 Pin 1 8

9 3. Executive Summary Pump Express TM Solution_7.5W USB Adapter Test Equipment Equipment Equipment Model No. Electrical Load Chroma Power Meter WT210 AC power source Chroma Scope TDS Input Characteristics Efficiency Specification Result >76.654% (DOE-6) PASS Note: Measure P O, V O, I O with USB Port AC Input 115 Vac 60 Hz 230 Vac 60 Hz P in (W) P o (W) V o (V) Io (A) Efficiency % % % % % % % % % % Table 1, Input Voltage = 115Vac / 230Vac Average Eff % 77.3 % Fig. 1, Load vs. Efficiency 9

10 Efficiency with Pump Express TM Operation Pump Express TM Solution_7.5W USB Adapter Specification NA Note: Measure P O, V O, I O at PCB Result NA AC Input 115 Vac 60 Hz Load Level-1 (5.0V) Level-2 (4.8V) Level-3 (4.6V) Efficiency Test Level-4 (4.4V) Level-5 (4.2V) Level-6 (4.0V) Level-7 (3.8V) Level-8 (3.6V) 100% 78.69% 78.17% 78.04% 77.57% 77.18% 77.02% 76.35% 75.96% 75% 79.31% 78.82% 78.54% 78.25% 77.80% 77.61% 76.95% 76.64% 50% 80.16% 79.36% 79.39% 78.80% 78.47% 78.36% 77.59% 77.46% 25% 80.55% 80.43% 80.18% 80.04% 79.81% 79.72% 78.99% 78.67% Avg % 79.20% 79.04% 78.67% 78.32% 78.18% 77.47% 77.18% 230 Vac 60 Hz 100% 79.40% 79.06% 78.90% 78.38% 77.91% 77.49% 76.91% 76.55% 75% 79.49% 79.21% 79.09% 78.49% 77.93% 77.57% 76.92% 76.56% 50% 79.66% 79.07% 79.04% 78.57% 78.15% 77.97% 77.22% 77.10% 25% 78.93% 78.35% 78.64% 78.33% 77.43% 76.92% 76.92% 75.99% Avg % 78.92% 78.92% 78.44% 77.86% 77.49% 76.99% 76.55% Table 2, Efficiency with Pump Express TM Operation 10

11 Power Saving Specification Result PASS Note: Burn-In 10 min Pin No-Load Consumption Vac (mw) 90Vac/60Hz Vac/60Hz Vac/60Hz Vac/60Hz 65 Table 3, Power Saving Fig. 2, Vac vs. Power Saving 11

12 3.2. Output Characteristics Constant Voltage and Constant Current Specification NA Result NA Note: Measure P O, V O, I O at connector of USB cable Vac CV Mode CC Mode Vo (V) Io (A) Vo (V) Io (A) Table 4, CV-CC Regulation Fig. 3, CV-CC Curve 12

13 3.2.2 Constant Voltage and Constant Current with Pump Express TM Operation Specification Result NA NA Note: Measure P O, V O, I O at PCB (Vin=115Vac) Level-1 Level-2 Level-3 Level-4 Vo (V) Io (A) Vo (V) Io (A) Vo (V) Io (A) Vo (V) Io (A) Level-5 Level-6 Level-7 Level Table 5, Constant Voltage and Constant Current with Pump Express TM Operation Fig. 4, Constant Voltage and Constant Current with Pump Express TM Operation 13

14 3.2.3 Ripple voltage Pump Express TM Solution_7.5W USB Adapter Input 90Vac /47Hz 264Vac/ 60Hz Ripple voltage 75.2mV 26mV Specification Result < 80mV PASS Note: Measure P O, V O, I O at USB Port Fig. 5, Output 90Vac/47Hz Fig. 6, Output 264Vac/60Hz 14

15 3.3. Turn On Delay Time Pump Express TM Solution_7.5W USB Adapter Input 90Vac /47Hz T turn on delay 2.16 sec Specification Result < 3 sec PASS Table 6, Turn On Delay Time CH1:V ac, CH2:V cc, CH3:Vo Fig. 7, Start-up 90Vac/47Hz 15

16 3.4. Power Component Stress Voltage Pump Express TM Solution_7.5W USB Adapter Specification Derating < 90% Result PASS No. Item Steady State(90V / 60HZ) Max. Rating(V) Measurement Derating(%) V V 1 Q % 2 D % Table 7, BJT and Diode Stress Steady State (90V/ 60Hz) No. Item Transient State(90V / 60HZ) Max. Rating(V) Measurement Derating(%) V V 1 Q % 2 D % Table 8, BJT and Diode Stress Transient State (90V/ 60Hz) No. Item Max. Rating(V) Steady State(264V / 60HZ) Measurement Derating(%) V 1 Q % 2 D % Table 9, BJT and Diode Stress Steady State (264V/ 60Hz) No. Item Max. Rating(V) Transient State(264V / 60HZ) Measurement Derating(%) V 1 Q % 2 D % Table 10, BJT and Diode Stress Transient State (264V/ 60Hz) 16

17 3.5. EMI Test-Conduction Pump Express TM Solution_7.5W USB Adapter Specification EN55022 Class-B Result PASS Note:with 3.3 Resistive Load Fig. 8, 220VAC Line EMI-Conduction Test 17

18 Fig. 9, 220VAC Neutral EMI-Conduction Test 18

19 3.6. EMI Test-Radiation Specification CISPR Class-B Result PASS Note:with 3.3 Resistive Load Fig. 10, 220VAC Horizontal EMI-Radiation Test 19

20 Fig. 11, 220VAC Vertical EMI-Radiation Test 20

iml v C / 0W EVM - pplication Notes. IC Description The iml8683 is a Three Terminal Current Controller (TTCC) for regulating the current flowin

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