Digital Power for Everyone - CUI Exhibitor Seminar - APEC 2013
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Transcript of Digital Power for Everyone - CUI Exhibitor Seminar - APEC 2013
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Confidential Information | © 2013 CUI Inc
Digital Power for Everyone
Mark AdamsSenior Vice President
March 19, 2013
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Confidential Information | © 2013 CUI Inc
Flexibility
Advanced algorithms
Time to market
Data
Why Digital Power?
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Confidential Information | © 2013 CUI Inc
Difficult to implement Hardware vs Tools
Expensive Cost vs Value
PMBus pitfalls
Problem with Digital Power?
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Confidential Information | © 2013 CUI Inc
Difficult to Implement
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Confidential Information | © 2013 CUI Inc
Complex solutions
4 Day Digital Power Class 28 page Compensation Guide
222 page datasheet
Two separate development tools 20 page Compensation Outline
Examples of digital power controllers
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Confidential Information | © 2013 CUI Inc
Customer Tier and Resource Focus
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6Sales $
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6Power Resources
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# Customers
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Confidential Information | © 2013 CUI Inc
Cost vs Value
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Confidential Information | © 2013 CUI Inc
Difficult to get to the value
Solution cost versus IC/Module cost Removal of additional components
for power management Reduced capacitance requirements
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Confidential Information | © 2013 CUI Inc
PMBus Interoperability
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Confidential Information | © 2013 CUI Inc
InteroperabilityThe IEEE Glossary defines interoperability as, the ability of two or more systems or components to exchange information and to use the information that has been exchanged.
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Confidential Information | © 2013 CUI Inc
The Power Management Bus (PMBus) is an open standard power-management protocol with a fully defined command language that facilitates communicationwith power converters and other devices in a power system.
Digital Power Controller 1.0
DigitalController
DigitalController
DigitalController
DigitalController
SC
LS
DA
SA
LART
SC
LS
DA
SA
LART
SC
LS
DA
SA
LART
SC
LS
DA
SA
LART
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Confidential Information | © 2013 CUI Inc
Digital Power Controller 2.0
Second Serial Bus
With the requirements of a higher speed bus for advanced features, customer requests to reduce traffic on the SMBus, and the need to differentiate, many digital controllers have introduced a 2nd, separate single wire bi-directional serial bus.
DigitalController
DigitalController
DigitalController
DigitalController
SCL
SDA
SALART
SBus
SCL
SDA
SALART
SBus
SCL
SDA
SALART
SBus
SCL
SDA
SALART
SBus
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Confidential Information | © 2013 CUI Inc
DigitalController
DigitalController
DigitalController
DigitalController
SCL
SDA
SALART
SBus
SCL
SDA
SALART
SBus
SCL
SDA
SALART
SBus
SCL
SDA
SALART
SBus
Digital Power Controller 2.0
Second Serial Bus No clear consistent definition of specification Non-consistent usage of the bus No definitions for usage of the bus
Interoperability
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Digital Power Module
Module 1.0 Proprietary pinouts Functions are dictated by chosen controller
Module 2.0 Some industry movement on pinout definition Functions are still dictated by chosen controller
with limitations dictated by pinout
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Three types of POL customers 100% discrete design 100% modules Mix of discrete design and modules
Customers
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Confidential Information | © 2013 CUI Inc
Development Tools
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Digital Power System
2 IBC 420W ¼ Brick
10 POL Rails 100A 2-Phase CUI 50A CUI 25A CUI 12A CUI 125A 5-Phase CUI ZL2101 Intersil/Zilker Labs ZL6105 Intersil/Zilker Labs 12A Ericsson 25A Ericsson 50A CUI
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Confidential Information | © 2013 CUI Inc
Novum ACETM
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Confidential Information | © 2013 CUI Inc
Single Unit Configuration
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Current Share Configuration
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Single Entry Example
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Confidential Information | © 2013 CUI Inc
Product Options
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Part Number NDM2Z-12 NDM2Z-25 NDM2Z-50
Input Voltage 4.5-14 Vdc 4.5-14 Vdc 4.5-14 Vdc
Vout 0.6-5.5 Vdc 0.6-3.3 Vdc 0.6-3.3 Vdc
Iout 12 A 25 A 50 A
Footprint [LxW] DIP, SMT, SIP DIP, SMT, SIP DIP, SMT, SIP
Auto compensation Active current sharing Voltage tracking Voltage margining Voltage/current/temp monitoring Fault management BMR46X compatible
NDM2Z Auto Compensated Digital POL
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Part Number NDM2P-12 NDM2P-25 NDM2P-50
Input Voltage 4.5-14 Vdc 4.5-14 Vdc 4.5-14 Vdc
Vout 0.6-5.5 Vdc 0.6-3.3 Vdc 0.6-3.3 Vdc
Iout 12 A 25 A 50 A
Footprint [LxW] DIP, SMT, SIP DIP, SMT, SIP DIP, SMT, SIP
Auto compensation Active current sharing Voltage tracking Voltage margining Voltage/current/temp monitoring Fault management High performance Second generation
NDM2P Auto Compensated Digital POL
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Part Number NSM2P-12 NSM2P-25 NSM2P-50
Input Voltage 4.5-14 Vdc 4.5-14 Vdc 4.5-14 Vdc
Vout 0.6-5.5 Vdc 0.6-3.3 Vdc 0.6-3.3 Vdc
Iout 12 A 25 A 50 A
Footprint DIP, SMT DIP, SMT, SIP DIP, SMT, SIP
Auto compensation Voltage margining* Voltage/current/temp monitoring* Fault management* High performance Second generation
NSM2P “No-Bus” Auto Compensated POL
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Part Number NEB NQB
Input Voltage 36-75 Vdc 36-75 Vdc
Vout 6.9-13.2 Vdc 4.0-13.2 Vdc
Power Up to 300W Up to 468W
Footprint [LxW] 2.30 x 0.89 in 2.30 x 1.45 in
Advanced Bus Converters
Power good Configurable soft start/stop Precision delay and ramp-up Voltage margining Voltage/current/temperature
monitoring
Configurable output voltage Droop share option PMBus digital interface option Industry standard analog footprint
(Eighth Brick or Quarter Brick) BMR45X compatible for digital
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Confidential Information | © 2013 CUI Inc
Controller agnostic Single tool support Multiple levels of value Pick the solution that fits the need best
DesignExpertise
ProprietaryTopology
AdvancedTechnology
Options
Learn more about Novum Advanced Power