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BQ29312ARTHT PDF预览

BQ29312ARTHT

更新时间： 2024-11-05 15:28:47
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
38页 804K
描述
5-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC24, PLASTIC, QFN-24

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BQ29312ARTHT 技术参数

生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN, LCC24,.16SQ,20针数：24
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.18
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：S-PQCC-N24长度：4 mm
信道数量：5功能数量：1
端子数量：24最高工作温度：85 °C
最低工作温度：-40 °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：0.9 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：INDUSTRIAL
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD宽度：4 mm
Base Number Matches：1

BQ29312ARTHT 数据手册

 浏览型号BQ29312ARTHT的Datasheet PDF文件第2页浏览型号BQ29312ARTHT的Datasheet PDF文件第3页浏览型号BQ29312ARTHT的Datasheet PDF文件第4页浏览型号BQ29312ARTHT的Datasheet PDF文件第5页浏览型号BQ29312ARTHT的Datasheet PDF文件第6页浏览型号BQ29312ARTHT的Datasheet PDF文件第7页 
PW  
bq29312  
www.ti.com  
SLUS546E–MARCH 2003–REVISED MARCH 2005  
THREE AND FOUR CELL LITHIUM-ION OR  
LITHIUM-POLYMER BATTERY PROTECTION AFE  
FEATURES  
APPLICATIONS  
•
•
•
Notebook PCs  
Medical and Test Equipment  
Portable Instrumentation  
•
2-, 3-, or 4-Cell Series Protection Control  
•
Can Directly Interface With the bq2084 Gas  
Gauges  
•
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 compat-  
ible interface to extract battery parameters such as  
cell voltages and control output status. Other par-  
ameters such as current protection thresholds and  
delays can be programmed into the bq29312 to  
increase the flexibility of the battery management  
system.  
•
•
Integrated Cell Balancing Drive  
I2C Compatible User Interface Allows Access  
to Battery Information  
•
Programmable Threshold and Delay for Over  
Load and Short Circuit During Charge and  
Discharge  
•
•
System Alert Interrupt Output  
Host Control Can Initiate Sleep Power Mode  
and Ship Mode  
The bq29312 provides safety protection for over-  
charge, overload, short-circuit, overvoltage, and  
undervoltage conditions in conjunction with the bat-  
tery management host. In overload and short-circuit  
conditions, the bq29312 turns the FET drive off  
autonomously dependant on the internal configuration  
setting.  
•
•
•
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2003–2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...38

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 		2-,3-,AND 4-CELL LITHIUM-ION OR LITHIUM-POLYMER BATTERY PROTECTION AFE
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 		2-,3-,AND 4-CELL LITHIUM-ION OR LITHIUM-POLYMER BATTERY PROTECTION AFE
BQ29330DBTRG4 TI

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 		2-SERIES, 3-SERIES, AND 4-SERIES CELL LITHIUM-ION

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