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BQ2023PWR PDF预览

BQ2023PWR

更新时间： 2024-10-29 11:08:07
品牌 Logo 应用领域
德州仪器 - TI 手机电池监控光电二极管
页数 文件大小 规格书
27页 331K
描述
适用于手机和 PDA 应用的单总线高级电池监控 IC | PW | 8 | -20 to 70

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中文翻译

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BQ2023PWR 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：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.1可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.4 mm
湿度敏感等级：2信道数量：1
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 V
最小供电电压 (Vsup)：2.4 V标称供电电压 (Vsup)：3.6 V
表面贴装：YES温度等级：COMMERCIAL
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 mm
Base Number Matches：1

BQ2023PWR 数据手册

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SLUS480B – MAY 2001  
D
Multifunction Monitoring IC Designed to  
Work With an Intelligent Host Controller:  
– Provides Accurate State of Charge  
Information for Rechargeable Batteries  
– Enhances Power and Charge  
D
32 Bytes of General-Purpose RAM, 224  
Bytes of FLASH, and 8 Bytes of Secure ID  
ROM  
D
Internal Temperature Sensor With 0.25°K  
Resolution Eliminates the Need for an  
External Thermistor  
Management in the System  
D
D
Supply Operation Down to 2.4 V; Ideal for  
Single-Cell Li-Ion or Li-Pol Applications  
D
D
Programmable Digital Output Port  
Battery-Pack Removal Detection Input  
Places the IC in the Sleep Mode When  
System Is Not Present  
Communicates Over Single-Wire SDQ  
Serial Interface  
D
Resolves Signals Down to 3.05 µVh  
D
D
High-Accuracy Internal Timebase  
Eliminates External Crystal Oscillator  
D
High-Accuracy Coulometric Charge and  
Discharge Current Integration  
Low Power Consumption:  
– Operating: 40 µA  
– Sleep: 1.5 µA  
D
D
Differential Current Sense Input  
Automatic and Continuous Offset  
Calibration and Compensation  
PW PACKAGE  
(TOP VIEW)  
description  
The bq2023 is an advanced battery monitoring IC  
that accurately measures the charge and dis-  
charge currents in rechargeable battery packs.  
Intended for pack integration, the bq2023  
contains all the necessary functions to form the  
basis for an accurate battery gas gauge in cellular  
phones, PDAs, or other portable products.  
1
2
3
4
8
7
6
5
RBI  
STAT  
SRP  
SRN  
PDET  
V
CC  
V
SS  
SDQ  
Gas gauging is accomplished by coulomb counting (i.e., measuring the charge input to and subsequently  
removed from the battery). The bq2023 achieves that by measuring the differential voltage drop across a  
low-value series sense resistor between the negative terminal of the battery and the battery-pack negative  
contact. An internal voltage-to-frequency converter (VFC) converts this voltage into charge and discharge  
counts. The VFC is capable of resolving signals down to 3.05 µV. 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, the bq2023 continuously measures and compensates offset  
errors in the VFC.  
The bq2023 works with the host controller in the portable system to implement the battery management system.  
The host controller interprets the bq2023 data and communicates meaningful battery data to the end-user or  
power-management system. The SDQ single-wire bus architecture allows multiple bq2023s to exist on the  
same communications node simultaneously.  
The bq2023 provides 224 bytes of flash memory, 8-bytes of secure ID ROM, and 32 bytes of RAM. The  
nonvolatile memory maintains formatted battery monitor information, identification codes, warranty information,  
or other critical battery parameters while the battery is temporarily shorted or deeply discharged.  
AVAILABLE OPTIONS  
PACKAGED DEVICE  
T
A
8-LEAD TSSOP  
(PW)  
–20°C to 70°C  
bq2023PW  
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.  
SDQ is a trademark of Texas Instruments.  
Copyright 2001, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...27

中文翻译

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BQ2023PWR 替代型号

型号 品牌 替代类型 描述 数据表
BQ2023PW TI

类似代替

 SINGLE-WIRE ADVANCED BATTERY MONITOR IC FOR CELLULAR AND PDA APPLICATIONS
BQ26220PW TI

类似代替

 HIGH PERFORMANCE BATTERY MONITOR IC WITH COULOMB COUNTER, VOLTAGE AND TEMPERATURE MEASUREM
BQ26200PW TI

类似代替

 HIGH-PERFORMANCE BATTERY MONITOR WITH COLOUMB COUNTER AND FLASH MEMORY

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