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BQ29312RGE PDF预览

BQ29312RGE

更新时间： 2024-09-14 22:12:35
品牌 Logo 应用领域
德州仪器 - TI 电池
页数 文件大小 规格书
33页 305K
描述
THREE AND FOUR CELL LITHIUM-LON ORLITHIUM-POLYMER BATTERY PROTECTION AFE

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中文翻译

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BQ29312RGE 技术参数

是否无铅： 含铅生命周期：Obsolete
零件包装代码：QFN包装说明：HVQCCN, LCC24,.16SQ,20
针数：24Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.35可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：S-PQCC-N24
长度：4 mm信道数量：1
功能数量：1端子数量：24
最高工作温度：85 °C最低工作温度：-25 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC24,.16SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE电源：4.5/25 V
认证状态：Not Qualified座面最大高度：1 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.1 mA
最大供电电压 (Vsup)：25 V最小供电电压 (Vsup)：4.5 V
标称供电电压 (Vsup)：14 V表面贴装：YES
温度等级：OTHER端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：4 mm

BQ29312RGE 数据手册

 浏览型号BQ29312RGE的Datasheet PDF文件第2页浏览型号BQ29312RGE的Datasheet PDF文件第3页浏览型号BQ29312RGE的Datasheet PDF文件第4页浏览型号BQ29312RGE的Datasheet PDF文件第5页浏览型号BQ29312RGE的Datasheet PDF文件第6页浏览型号BQ29312RGE的Datasheet PDF文件第7页 
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RGE  
PW  
www.ti.com  
SLUS546D − MARCH 2003 − REVISED SEPTEMBER 2004  
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FEATURES  
APPLICATIONS  
D
D
D
Notebook PCs  
D
2-, 3-, or 4-Cell Series Protection Control  
Medical and Test Equipment  
Portable Instrumentation  
D
Can Directly Interface With the bq2084 Gas  
Gauges  
D
Provides Individual Cell Voltages and Battery  
Voltage to Battery Management Host  
DESCRIPTION  
The bq29312 is a 2-, 3-, or 4-cell lithium-ion battery pack  
protection analog front end (AFE) IC that incorporates a  
3.3-V, 25-mA low-dropout regulator (LDO). The bq29312  
also integrates an I2C compatible interface to extract  
battery parameters such as cell voltages and control  
output status. Other parameters such as current protection  
thresholds and delays can be programmed into the  
bq29312 to increase the flexibility of the battery  
management system.  
D
Integrated Cell Balancing Drive  
2
D
I C Compatible User Interface Allows Access  
to Battery Information  
D
Programmable Threshold and Delay for Over  
Load and Short Circuit During Charge and  
Discharge  
D
D
System Alert Interrupt Output  
Host Control Can Initiate Sleep Power Mode  
and Ship Mode  
The bq29312 provides safety protection for overcharge,  
overload, short-circuit, overvoltage, and undervoltage  
conditions in conjunction with the battery management  
host. In overload and short-circuit conditions, the bq29312  
turns the FET drive off autonomously dependant on the  
internal configuration setting.  
D
D
D
Integrated 3.3-V, 25-mA LDO  
Supply Voltage Range From 4.5 V to 25 V  
Low Supply Current of 60-µA Typical  
SYSTEM PARTITIONING DIAGRAM  
Discharge / Charge /  
Pre−Charge FETs  
Fuse  
Pack +  
bq2084  
bq29312  
PF Input  
PCH FET Drive  
Pre-charge Control Fail-Safe Protection  
Supply Voltage  
Power Management  
LDO, TOUT and Power mode control  
Cell Balancing  
Drive  
Pre−Charge  
FET Drive  
Temperature Measurement  
<1% Error  
T
INT  
LDO, Therm Output Drive & UVLO  
T1  
768 Bytes of  
User Flash  
32kHz Clock  
Generator  
System Watchdog  
Delay Counters  
32kHz  
Cell Balancing Algorithm and Control  
SBS v1.1 Data System Interface  
SMBus  
System Interface  
RAM Registers  
2
I
C
XAlert  
Sleep  
bq29312 RAM/Comms Validation  
st  
st  
Power Mode Control  
1
Level OC  
1
Level OV and  
Protection  
UV Protection  
Pack Under Voltage  
Power Mode  
Control  
Cell and Pack  
Voltage  
Measurement  
2−Tier Over Current Protection  
Voltage Level Translator  
Capacity Prediction <1% Error  
Pack −  
Sense Resistor  
(10 − 30 mΩ)  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments  
semiconductor products and disclaimers thereto appears at the end of this data sheet.  
ꢕꢈ ꢎ ꢌꢏ ꢐ ꢆꢒ ꢎꢋ ꢌ ꢊꢆꢊ ꢘꢙ ꢚꢛ ꢜ ꢝꢞ ꢟꢘꢛꢙ ꢘꢠ ꢡꢢ ꢜ ꢜ ꢣꢙꢟ ꢞꢠ ꢛꢚ ꢤꢢꢀ ꢥꢘꢡ ꢞꢟꢘ ꢛꢙ ꢦꢞ ꢟꢣꢧ ꢕꢜ ꢛꢦꢢ ꢡꢟꢠ  
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ꢕꢜ ꢛ ꢦꢢꢡ ꢟ ꢘꢛ ꢙ ꢤꢜ ꢛ ꢡ ꢣ ꢠ ꢠ ꢘꢙ ꢬ ꢦꢛ ꢣ ꢠ ꢙꢛꢟ ꢙꢣ ꢡꢣ ꢠꢠ ꢞꢜ ꢘꢥ ꢫ ꢘꢙꢡ ꢥꢢꢦ ꢣ ꢟꢣ ꢠꢟꢘ ꢙꢬ ꢛꢚ ꢞꢥ ꢥ ꢤꢞ ꢜ ꢞꢝ ꢣꢟꢣ ꢜ ꢠꢧ  
Copyright 2004, Texas Instruments Incorporated  
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