Download TAMURA Power Modules ?

TAMURA
Power Modules ?
Table of Contents
Five Key advantage
P2
Stand- Power (efficiency)
P3
Noise reduction
P4
Supply Chain Management
P5
Size improvement
P6
Time to market
P7
Product Lineup
P8
Functions
P9
External Dimensions
EPM
P10
SPM
P11
BPM
P12
Key Features / Applications
P13
Example of Mounting
P14
1
Five Key advantage
①
Improve Efficiency
②
Improve Noise
③
Improve SCM
④
Improve Form-Factor
⑤
Improve time to market
2
Concerns about Energy Efficiency…
Improving
Energy
efficiency…
Complying with
energy
regulations …
Solution !!
①
Improve Stand-by Power
Standby Energy (mW)
Compliance with standby energy regulations
(Example: EPM0510SJ)
150
Eu CoC regulations (Tier 1) to be enforced in 2015
USA DoE regulations to be enforced in 2015
Eu CoC regulations (Tier 2) to be enforced in 2017
EPM0510SJ
150mW
100
100mW
75mW
50
EPM0510SJ
0
100
150
200
250
300
350
400
450
Input Voltage (VDC)
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3
Concerns about Noise and Vibration Sound …
We want to
reduce humming
sound in power
supply.
Is there a way to
reduce it?
Solution !!
②
Improve Audible Noise level
Humming sound is reduced by
Tamura’s unique structure.
dB
Conventional Power Supply
Power module
Humming sound
reduced to
Max 1/60
20Hz
Audio frequency range
20kHz
(Comparison with Tamura’s previous Power Module)
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4
Component Management is Troublesome …
Concerns about Component Management …
Management of
discontinued
components is
troublesome.
We want to simplify
component
management.
Solution !!
③
Easy Management
(Example: Substrate sample)
Primary side
Replaced
components
Secondaryside
TOTAL
EPM
6
1
3
10
Discrete
component
26
1
11
38
When discrete components are used,
29
components need to be prepared.
When the power supply module is used,
1
component needs to be prepared!
A comparison of
the number of
components
29：1
(Comparison with Tamura’s previous Power Module)
5
Concerns about Size …
Substrates should
be as small as
possible…
What should we do …?
Mounting space
is limited.
Solution !!
④
Compact Form-Factor
Discrete components having
the same functions as EPM
EPM
Area ratio
1：2
S=33mm X 31mm
=1023mm2
S=38mm X 53mm
=2014mm2
50%Less!!
(Comparison with Tamura’s previous Power Module)
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Concerns about Time Required for
Development/Design …
No human
Resource are
left to design
standby power
supplies.
Product
development
cycle is short …
Solution !!
⑤
Facilitates Circuit Design
Development/design Human Resource can be reduced.
Support provided by application note
External
component
design
Reduced by approx.
External
component
design
80%
80
0
20
40
60
80
100
Transformerdesign,circuitdesign,controlICevaluation,heatreleasedesign,substrate
design,EMI/EMCevaluation,applicationforapprovalofsafetystandards,
component/materialarrangementforindividualprototypes,etc.
(Comparison with Tamura’s previous Power Module)
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Product Lineup
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Functions
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Internal parts and functions
・
・
・
・
・
・
・
・
・
・
Insulation Transformer
Isolated Transformer （FET）
IC control
Output rectifier diode
Photo-coupler
Output voltage detection circuit
Primary side control circuit
Over voltage protection
Over current protection
Heating protection circuit
Switching Power
Supply can be
easily created
Power
Module
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9
SPM External Dimensions
SPM Recommended Hole Diameter/Land Dimensions
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EPM External Dimensions
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EPM Recommended Hole Diameter/Land Dimensions
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BPM External Dimensions
BPM Recommended Hole Diameter/Land Dimensions
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Features
１．Easy to design compact AC/DC due to small number of external components
２． Potential design evaluation time savings; EMC, open/short circuit testing, & etc.
３． Enables significant reduction in power consumption of no-load and light load
４． Corresponding world wide input and PFC output voltage
５． Unique Tamura design insures significant reduction in ‘buzz’ under light-load
conditions for lower noise level
Applications
Consumer electronics, Information processing equipment, AV equipment ,Stand-by Power
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Example of Application
14
http://www.tamura-ss.co.jp/electronics/en/