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13节串联，48 V锂离子电池组高精度、50uA待机电流的参考设计方案

更新时间：2019-09-24 12:48:21 大小：7M 上传用户：ultrav查看TA发布的资源 标签：电池管理系统BMS 下载积分：5分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

资料介绍

应用场合

•电动自行车电池组

•电动滑板车电池组

•割草机器人电池组

•UPS锂离子电池组

•其他超过10节的电池组应用


部分文件列表

文件名 大小
tidueg7b.pdf 7M

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部分页面预览

（完整内容请下载后查看）
Design Guide: TIDA-010030  
Accurate gauging and 50-µA standby current, 13S, 48-V  
Li-Ion battery pack reference design  
Description  
Features  
•
2% battery pack SOC accuracy at room  
temperature.  
This reference design is a low standby and ship mode  
current consumption and high SOC gauging accuracy  
13S, 48-V Li-ion battery pack design. It monitors each  
cell voltage, pack current and temperature with high  
accuracy and protects the Li-ion battery pack against  
overvoltage, undervoltage, over temperature and over  
current situations. The SOC gauging, based on  
bq34z100-g1, takes advantage of an impedance  
tracking algorithm and achieves as high as 2%  
accuracy at room temperature. Through a well-  
designed auxiliary power supply strategy and high  
efficiency, low quiescent current DC-DC converter  
LM5164, this design achieves 50-μA stand-by and 5-  
μA ship mode consumption, saving more energy and  
allowing longer shipping time and idle time. This  
reference design was implemented for a 2-layer PCB.  
Also, this design supports a well running firmware,  
which helps to decrease product research time.  
•
•
•
50-µA current consumption when in standby mode  
5-µA current consumption when in shipping mode  
Robust and programmable protection, including:  
cell over voltage, cell under voltage, overcurrent  
discharge, short circuit, overtemperature and  
undertemperature  
•
•
Support 100-mA cell balancing  
High-side charging and discharging MOSFETs and  
support pre-discharge function  
Applications  
•
•
•
•
•
e-bike battery pack  
e-scooter battery pack  
Mowing robot battery pack  
UPS Li-Ion battery pack  
Resources  
Other over 10S battery pack applications  
Design Folder  
Product Folder  
Product Folder  
Product Folder  
Product Folder  
Product Folder  
Product Folder  
Charge/Discharge  
Power Stage  
CSD19536KTT  
+3  
CSD19536KTT  
+3  
PACK+  
BAT+  
Cell 13  
BQ7718  
BQ76200  
Communication  
TPD2E007  
Cell 10  
Opto  
Cell  
Cell  
9
6
THVD1500  
ISO1042  
BQ7718  
BQ7718  
I/O  
I/O  
T1  
ALERT  
AFE  
w/ CB  
BQ76940  
MCU  
MSP430FR2155DBT  
Cell  
Cell  
5
1
I/O  
Iso_5V  
I2C  
TLV70450  
SN6501  
LM5164  
TLV70433  
I2  
C
BAT+  
CB  
BAT+  
MOSFETs  
Fuel Gauge  
BQ34Z100-G1  
Auxillary Power Supply  
Battery Management  
Controller  
Monitor/Protection/Cell-Balancing  
PACK-  
BAT-  
1
February 2019  
Accurate gauging and 50-µA standby current, 13S, 48-V Li-Ion battery pack  
reference design  
Copyright © 2018–2019, Texas Instruments Incorporated  

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