Transcript Document

GP AC-DC Product Training
5-12-06
Active Competitive Edge
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AC-DC Power Supply
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General Specification -1
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General Specification -2
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Green Mode Requirements
1) Energy Star (US)
Standby power < 0.50W
2) California Energy Commission (CEC)
Standby Power < 0.75W
Average efficiency > 64% for Po=5W
3) Blue Angel
Standby Power < 0.3W
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CEC Requirement -1
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CEC Requirement -2
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Low Power AC-DC
Linear Charger
1) Low cost (< $0.3 PCBA for 5W)
2) Large size & heavy
3) Single line Input
4) Not meeting Green Mode
Switching Mode Charger
1) Higher Cost (> $0.5 PCBA for 5W)
2) Universal line input
3) Meet Energy star, blue angel, CEC
4) EMI
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Switching Mode Charger
RCC
1) Lowest cost
2) Variable Frequency
3) Inconsistent performance
PWM
1) $0.1 – $0.2 more than RCC
2) Fixed frequency
3) Consistent green mode & EMI
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RCC Charger
1) No PWM IC
($0.1 - $0.2)
2) NPN Switch
($0.025)
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PWM IC Charger
1) PWM IC + MOSFET
($0.1-0.2 + $0.125)
2) Integrated Switch
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High Voltage Switch
1) Cost
($0.125 vs 0.025)
2) Efficiency
3) EMI
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Emitter Switching Topology
1) Slow turn-off
2) VCEO blocking rating
(450V for MJE13003)
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1) Fast turn-off
2) VCBO blocking rating
(700V for MJE13003)
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EST Advantages
1) Fast turn-off time
2) VCBO blocking voltage rating
3) Low High Frequency EMI  No Y-cap
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Active-Semi EST Product
1)
2)
3)
4)
5)
6)
ACT29 (< 3W) – Low Cost Charger
ACT30A (< 7W) – Charger, ADSL, Appliance
ACT30B (< 15W) – Adapter, DVD
ACT32 (CC/CV Controller) – Charger Control
ACT34 (PSR <7W) – Linear & RCC Replacement
ACT50 (< 30W) – DVD, Set Top Box, PC Standby,
Printer
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ACT29
1) Lowest Cost
2) High short Circuit Power Dissipation
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ACT30
1) ACT30A for < 7W
2) ACT30B for < 15W
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ACT30A Block Diagram
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ACT30 Startup Timing
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ACT30 Block Diagram
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MOTO Charger CV/CC
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Nokia Charger CV/CC
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5V/1A Cell phone Charger
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PCB layout
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Test Results
1. Universal Input: 85V – 264V rms
2. Standby Power: 0.23W Max
3. Efficiency: 63% at Full Load
4. Output Current Limit: 1.2A CC
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Conducted EMI Data
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LG U8110 Charger
ACT30A Inside
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Lowest Cost DVD power
ACT30B
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Home/Car DVD power
ACT4060
ACT30B
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ACT32
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ACT32 Block Diagram
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ACT32 Application Circuit
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ACT50
1) Cost Effective
2) Better transient Response
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High Power DVD & Set Top Box
ACT50
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Primary Switching Regulator
RCC secondary circuit component
1) OPTO
2) TL431 for CV
3) NPN + NTC Rs for CC
Primary switching regulator
1) Primary control CV/CC PWM IC
2) Eliminate OPTO, TL431, NPN+NTC Rs
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ACT34
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Competitor PSR
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Competitor Performance -1
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Competitor Performance -2
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GP AC-DC Product Road Map
1)
2)
3)
4)
5)
6)
ACT29 (< 3W) – Low Cost Charger
ACT30A (< 7W) – Charger, ADSL, Appliance
ACT30B (< 15W) – Adapter, DVD
ACT32 (CC/CV Controller) – Charger Control
ACT34 (PSR <7W) – Linear & RCC Replacement
ACT50 (< 30W) – DVD, Set Top Box, PC Standby,
Printer
7) ACT5291/5 (< 120W) – Adapter, LCD TV Q3-06
8) ACT35 (PSR, < 7W) – Charger
Q3-06
9) ACT36 (PSR, < 50W) – Adapter, Open Frame Q4-06
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EET Advertisement
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