公开(公告)号：US09419449B2

公开(公告)日：2016-08-16

申请号：US14308688

申请日：2014-06-18

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： Xiaoping Wang ,  Zailin Tu ,  Qinggang Bai

IPC: H02J7/00 ,  H01M10/42

CPC classification number: H02J7/0016 ,  H01M10/425 ,  H01M2010/4271

Abstract: A battery protection chip may comprise: a first end, configured to output a strong pull up signal when a voltage of at least one battery in a battery pack protected does not reach a balance threshold, and to output a weak pull down signal when voltages of all batteries in the battery pack protected reach the balance threshold; and a second end, configured to output a strong pull down signal when a voltage of at least one battery in a battery pack protected does not reach a balance threshold, and to output a weak pull up signal when voltages of all batteries in the battery pack protected reach the balance threshold.

Abstract translation: 电池保护芯片可以包括：第一端，被配置为当被保护的电池组中的至少一个电池的电压未达到平衡阈值时输出强上拉信号，并且当电压 保护电池组中的所有电池达到平衡阈值; 以及第二端，被配置为当所保护的电池组中的至少一个电池的电压未达到平衡阈值时输出强下拉信号，并且当所述电池组中的所有电池的电压被输出时输出弱上拉信号 受保护达到平衡阈值。

公开(公告)号：US09837837B2

公开(公告)日：2017-12-05

申请号：US14437301

申请日：2013-11-15

Applicant: BYD COMPANY LIMITED

Inventor： Xiaoping Wang ,  Qinggang Bai

IPC: H02J7/00 ,  H02H7/18 ,  G01R31/36 ,  H01M10/42

CPC classification number: H02J7/0031 ,  G01R19/16542 ,  G01R31/36 ,  H01M10/4207 ,  H02H7/18

Abstract: A protective device and a protective system for a battery assembly are provided. The battery assembly comprises N cells, and the protective device includes: a constant current source module comprising M (1

公开(公告)号：US20150280469A1

公开(公告)日：2015-10-01

申请号：US14437301

申请日：2013-11-15

Applicant: BYD COMPANY LIMITED

Inventor： Xiaoping Wang ,  Qinggang Bai

IPC: H02J7/00

CPC classification number: H02J7/0031 ,  G01R19/16542 ,  G01R31/36 ,  H01M10/4207 ,  H02H7/18

Abstract: A protective device and a protective system for a battery assembly are provided. The battery assembly comprises N cells, and the protective device includes: a constant current source module comprising M (1

Abstract translation: 提供了用于电池组件的保护装置和保护系统。 电池组件包括N个电池，保护装置包括：恒流源模块，分别与N个电池中的M个电池并联连接并配置成产生一个输出电流的M（1