Abstract
An integrated current detector designed to protect high voltage LDMOS power switches is presented in this paper. The proposed detector monitors the current of power switches by a mirrored ratio current. Power switches can be automatically turned off once the mirrored current exceeds the predetermined triggered value and thereby protect power switches from being damages. The response time of current detector determines the maximum operation frequency of the driving signal to the power switch. Both simulated and measurement results show that the designed current detector with an integrated LDMOS switch can work higher than 1 MHz switching frequency with maximum 1A current driving capability.
| Original language | English |
|---|---|
| Title of host publication | Proceedings - 2016 IEEE International Symposium on Computer, Consumer and Control, IS3C 2016 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 116-119 |
| Number of pages | 4 |
| ISBN (Electronic) | 9781509030712 |
| DOIs | |
| State | Published - 16 08 2016 |
| Externally published | Yes |
| Event | 2016 IEEE International Symposium on Computer, Consumer and Control, IS3C 2016 - Xi'an, China Duration: 04 07 2016 → 06 07 2016 |
Publication series
| Name | Proceedings - 2016 IEEE International Symposium on Computer, Consumer and Control, IS3C 2016 |
|---|
Conference
| Conference | 2016 IEEE International Symposium on Computer, Consumer and Control, IS3C 2016 |
|---|---|
| Country/Territory | China |
| City | Xi'an |
| Period | 04/07/16 → 06/07/16 |
Bibliographical note
Publisher Copyright:© 2016 IEEE.
Keywords
- High voltage LDMOS
- On-chip current detector
- Power electronics
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