Title:
ＤＣＤＣコンバータの制御装置
Document Type and Number:
Japanese Patent JP7339932
Kind Code:
B2
Abstract:
To provide a control device for a DC-DC converter capable of suppressing fluctuations in output power of a power source.SOLUTION: A control device 50 is applied to a DC-DC converter including a first half-bridge circuit having an input-side switch, a second half-bridge circuit having an output-side switch, and a reactor connecting the first and second half-bridge circuits. The control device 50 includes a first control unit 60 for performing switching control of the input-side switch based on an input voltage, a second control unit 70 for calculating a second duty ratio Duty2 of the output-side switch for controlling power supplied from a power source to a power supply object to be target power P*, and a reduction factor calculation unit 63 that causes the first control unit 60 to calculate a third duty ratio Duty3 when a target current IL* of the reactor determined based on the target power P* is less than a predetermined current value determined based on a minimum value Duty2min of a range that the second duty ratio Duty2 can take.SELECTED DRAWING: Figure 6
Inventors:
Sho Washio
Yuichi Hayashi
Yuichi Hayashi
Application Number:
JP2020150759A
Publication Date:
September 06, 2023
Filing Date:
September 08, 2020
Export Citation:
Assignee:
株式会社ＳＯＫＥＮ
International Classes:
H02M3/155
Domestic Patent References:
| JP2018099014A | ||||
| JP2009183080A | ||||
| JP2015162951A |
Foreign References:
| WO2019234846A1 |
Attorney, Agent or Firm:
Tsuyoshi Yamada
Kyoko Hino
Hiroshi Matsuda
Yusuke Kita
Kyoko Hino
Hiroshi Matsuda
Yusuke Kita