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Patent Searching and Data


Title:
CURRENT MODE DC-DC CONVERTER
Document Type and Number:
WIPO Patent Application WO/2021/134752
Kind Code:
A1
Abstract:
A converter system (100) includes a first switch (102) and a controller (110) configured to switch the first switch (102) between first and second states based on input and output voltages of the converter system (100), wherein the controller (110) includes: a timer unit (200) including a first timer (202) configured to determine a first duration based on a target switching frequency of the converter system (100), and a second timer (212) configured to determine a second duration based on a predetermined duration equal to or greater than a minimum duration of the first state of the first switch (102) and the input and output voltages; and a control logic unit (124), configured to switch the first switch (102) from the second state to the first state upon expiration of both the first and second durations.

Inventors:
ZHAO WEI (CN)
XIE JIANZHANG (CN)
Application Number:
PCT/CN2020/070110
Publication Date:
July 08, 2021
Filing Date:
January 02, 2020
Export Citation:
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Assignee:
TEXAS INSTRUMENTS INC (US)
TEXAS INSTRUMENTS JAPAN LTD (JP)
International Classes:
G05F1/40; H02M1/088
Foreign References:
CN101540548A2009-09-23
CN102714462A2012-10-03
CN103378740A2013-10-30
US20050134247A12005-06-23
Attorney, Agent or Firm:
LEE AND LI - LEAVEN IPR AGENCY LTD. (CN)
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