Details
| Original language | English |
|---|---|
| Title of host publication | ESSCIRC 2009 - Proceedings of the 35th European Solid-State Circuits Conference |
| Pages | 140-143 |
| Number of pages | 4 |
| Publication status | Published - 2009 |
| Externally published | Yes |
| Event | 35th European Solid-State Circuits Conference, ESSCIRC 2009 - Athens, Greece Duration: 14 Sept 2009 → 18 Sept 2009 |
Publication series
| Name | ESSCIRC 2009 - Proceedings of the 35th European Solid-State Circuits Conference |
|---|
Abstract
Techniques for high impedance current sensing and slope compensation, common challenges for current mode switched mode power supplies (SMPS), are presented. DCR sensing, limited by conventional low impedance sensing techniques, is thus possible, enabling power efficiency gains. Auto-ranging slope compensation based on a multiplication of input voltage VIN and switching frequency fsw allows for truer current mode operation and superior line transient response for a wide range of VIN and f sw• The techniques are demonstrated in an automotive-class 60V VIN buck controller at 150-600kHz in a 0.35μm BiCMOS technology. Offset error <3mV over 0-10V and single-cycle stable current loop response are measured.
ASJC Scopus subject areas
- Computer Science(all)
- Hardware and Architecture
- Engineering(all)
- Electrical and Electronic Engineering
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ESSCIRC 2009 - Proceedings of the 35th European Solid-State Circuits Conference. 2009. p. 140-143 5326034 (ESSCIRC 2009 - Proceedings of the 35th European Solid-State Circuits Conference).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Capacitive-coupled current sensing and auto-ranging slope compensation for current mode SMPS with wide supply and frequency range
AU - Herzer, Stefan
AU - Kulkarni, Sumeet
AU - Jankowski, Maciej
AU - Neidhardt, Jochen
AU - Wicht, Bernhard
PY - 2009
Y1 - 2009
N2 - Techniques for high impedance current sensing and slope compensation, common challenges for current mode switched mode power supplies (SMPS), are presented. DCR sensing, limited by conventional low impedance sensing techniques, is thus possible, enabling power efficiency gains. Auto-ranging slope compensation based on a multiplication of input voltage VIN and switching frequency fsw allows for truer current mode operation and superior line transient response for a wide range of VIN and f sw• The techniques are demonstrated in an automotive-class 60V VIN buck controller at 150-600kHz in a 0.35μm BiCMOS technology. Offset error <3mV over 0-10V and single-cycle stable current loop response are measured.
AB - Techniques for high impedance current sensing and slope compensation, common challenges for current mode switched mode power supplies (SMPS), are presented. DCR sensing, limited by conventional low impedance sensing techniques, is thus possible, enabling power efficiency gains. Auto-ranging slope compensation based on a multiplication of input voltage VIN and switching frequency fsw allows for truer current mode operation and superior line transient response for a wide range of VIN and f sw• The techniques are demonstrated in an automotive-class 60V VIN buck controller at 150-600kHz in a 0.35μm BiCMOS technology. Offset error <3mV over 0-10V and single-cycle stable current loop response are measured.
UR - http://www.scopus.com/inward/record.url?scp=72849123835&partnerID=8YFLogxK
U2 - 10.1109/ESSCIRC.2009.5326034
DO - 10.1109/ESSCIRC.2009.5326034
M3 - Conference contribution
AN - SCOPUS:72849123835
SN - 9781424443536
T3 - ESSCIRC 2009 - Proceedings of the 35th European Solid-State Circuits Conference
SP - 140
EP - 143
BT - ESSCIRC 2009 - Proceedings of the 35th European Solid-State Circuits Conference
T2 - 35th European Solid-State Circuits Conference, ESSCIRC 2009
Y2 - 14 September 2009 through 18 September 2009
ER -