Title:
PWM CONTROL DEVICE FOR ELECTRONIC PRE-CHARGING OF BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2024/014642
Kind Code:
A1
Abstract:
A pulse width modulation (PWM) control device for electronic pre-charging of a battery pack is provided. The PWM control device for electronic pre-charging of a battery pack according to an embodiment of the present invention is a PWM control device for electronic pre-charging of a battery pack, and comprises: a power semiconductor device which is connected to a resistor for limiting a high current generated upon a difference between a capacitor voltage value in a converter connected to the battery pack and an output voltage value of the battery pack, and is electronically switched to pre-charge the battery pack; a gate driver connected to a gate terminal of the power semiconductor device; a PWM generator which is connected to the gate driver, and generates a PWM signal of the gate driver; and a duty variator which is connected to the PWM generator, and dynamically varies the duty of the PWM signal according to a charging situation of the battery pack.
Inventors:
KIM YOUNG MIN (KR)
Application Number:
PCT/KR2023/002089
Publication Date:
January 18, 2024
Filing Date:
February 14, 2023
Export Citation:
Assignee:
IAPOWERTRON INC (KR)
International Classes:
H02J7/00; H03K5/156; H03K7/08
Foreign References:
| KR20100104728A | 2010-09-29 | |||
| JP2013219964A | 2013-10-24 | |||
| KR20180049457A | 2018-05-11 | |||
| KR20170013670A | 2017-02-07 | |||
| KR102480906B1 | 2022-12-23 |
Attorney, Agent or Firm:
LEE, Jae Rok (KR)
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