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BQ26231PWRG4

更新时间： 2023-06-19 15:21:50
品牌 Logo 应用领域
德州仪器 - TI 电池便携式光电二极管信号电路模拟IC计数器
页数 文件大小 规格书
18页 231K
描述
用于嵌入式便携式应用中电池容量监测、具有成本效益的库仑计数器 | PW | 8 | -20 to 70

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中文翻译

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BQ26231PWRG4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：TSSOP,针数：8
Reach Compliance Code：compliantHTS代码：8542.39.00.01
Factory Lead Time：6 weeks风险等级：5.03
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.4 mm
湿度敏感等级：2功能数量：1
端子数量：8最高工作温度：70 °C
最低工作温度：-20 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.2 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.8 V
标称供电电压 (Vsup)：4.25 V表面贴装：YES
温度等级：OTHER端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3 mmBase Number Matches：1

BQ26231PWRG4 数据手册

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SLUS491 – JULY 2001  
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the battery and the battery pack ground contact. By  
using the accumulated counts in the charge, discharge,  
and self-discharge registers, an intelligent host  
controller can determine battery state-of-charge  
information. To improve accuracy, an offset count  
register is available. The system host controller is  
responsible for the register maintenance by resetting  
the charge in/out and self-discharge registers as  
needed.  
FEATURES  
D
D
Multifunction High-Accuracy Coulometric  
Charge and Discharge Counter  
Ideal for Portable Applications With  
Nonremovable Rechargeable Battery Pack  
D
D
D
D
Resolves Signals Less Than 12.5 µV  
Internal Offset Calibration Improves Accuracy  
128 Bytes of General-Purpose RAM  
The bq26231 features 13 bytes of registers, which  
contain the capacity monitoring and status information.  
The RBI input operates from an external power storage  
source such as a capacitor or a series cell in the battery  
pack, providing register nonvolatility for periods when  
the battery is shorted to ground or when the battery  
charge state is not sufficient to operate the bq26231.  
During this mode, the register backup current is less  
than 100 nA. Packaged in an 8-pin TSSOP, the  
bq26231 is small enough to fit in the crevice between  
two A-size cells or within the width of a prismatic cell.  
Internal Temperature Sensor Eliminates the  
Need for an External Thermistor  
D
D
High-Accuracy Internal Timebase Eliminates  
External Crystal Oscillator  
Low Power Consumption:  
– Operating: < 80 µA  
– Sleep: < 10 µA  
D
D
Single-Wire HDQ Serial Interface  
Packaging: 8-Lead TSSOP  
DESCRIPTION  
PW PACKAGE  
(TOP VIEW)  
The bq26231 is a low-cost charge/discharge counter  
peripheral in an 8-pin TSSOP. It works with an intelligent  
host controller, providing state-of-charge information  
for rechargeable Li-Ion, Li-Pol, or NiMH batteries. The  
bq26231 measures the voltage drop across a low-value  
series sense resistor between the negative terminal of  
1
2
3
4
8
7
6
5
NC  
VCC  
VSS  
HDQ  
NC  
SR1  
SR2  
RBI  
AVAILABLE OPTIONS  
PACKAGE  
T
8-Lead TSSOP  
(PW)  
OPR  
–20°C to 70°C  
bq26231PW  
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.  
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Copyright 2001, Texas Instruments Incorporated  
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中文翻译

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BQ26231PWRG4 替代型号

型号 品牌 替代类型 描述 数据表
BQ26231PWG4 TI

完全替代

 Cost-Efficient Coulomb Counter for Battery Capacity Monitoring In Embedded Portable Applic
BQ26231PWR TI

类似代替

 LOW COST BATTERY COULOMB COUNTER FOR EMBEDDED PORTABLE APPLICATIONS
BQ26231PW TI

类似代替

 LOW COST BATTERY COULOMB COUNTER FOR EMBEDDED PORTABLE APPLICATIONS

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