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BQ27441DRZR-G1B PDF预览

BQ27441DRZR-G1B

更新时间： 2024-10-01 12:49:43
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德州仪器 - TI 电源电路电源管理电路光电二极管仪表
页数 文件大小 规格书
22页 991K
描述
System-Side Impedance Track Fuel Gauge

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BQ27441DRZR-G1B 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active包装说明：SON-12
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.63Is Samacsys：N
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：S-PDSO-N12JESD-609代码：e4
长度：4 mm湿度敏感等级：2
信道数量：1功能数量：1
端子数量：12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：HVSON封装形状：SQUARE
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
座面最大高度：0.85 mm最大供电电压 (Vsup)：4.5 V
最小供电电压 (Vsup)：2.45 V标称供电电压 (Vsup)：3.6 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：NO LEAD
端子节距：0.4 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：2.5 mm
Base Number Matches：1

BQ27441DRZR-G1B 数据手册

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bq27441-G1  
www.ti.com  
SLUSBH1A –NOVEMBER 2013–REVISED JANUARY 2014  
System-Side Impedance Track™ Fuel Gauge  
Check for Samples: bq27441-G1  
1
FEATURES  
APPLICATIONS  
23  
•
Single Series Cell Li-Ion Battery Fuel Gauge  
•
•
•
•
Smartphones, Feature Phones and Tablets  
Digital Still and Video Cameras  
Handheld Terminals  
–
–
Resides on System Board  
Supports Embedded or Removable  
Batteries  
MP3 or Multimedia Players  
–
–
Powered Directly from Battery with  
Integrated LDO  
DESCRIPTION  
The Texas Instruments bq27441-G1 is an easy to  
configure microcontroller peripheral that provides  
system-side fuel gauging for single-cell Li-Ion  
batteries. The device requires minimal user  
configuration and system microcontroller firmware  
development.  
Supports a Low-Value External Sense  
Resistor (10mΩ)  
•
Easy to Configure Fuel Gauging Based on  
Patented Impedance Track™ Technology  
–
Reports Remaining Capacity and State of  
Charge (SOC) with Smoothing Filter  
The bq27441-G1 uses the patented Impedance  
Track™ algorithm for fuel gauging, and provides  
information such as remaining battery capacity  
(mAh), state-of-charge (%), and battery voltage (mV).  
–
Automatically Adjusts for Battery Aging,  
Self-discharge, Temperature, and Rate  
Changes  
–
Battery State of Health (Aging) Estimation  
Battery fuel gauging with the bq27441-G1 requires  
connections only to PACK+ (P+) and PACK– (P–) for  
a removable battery pack or embedded battery  
circuit. The tiny 12-pin 2.5 mm × 4 mm SON package  
is ideal for space constrained applications.  
•
•
Microcontroller Peripheral Supports:  
–
–
400-kHz I2C™ Serial Interface  
Configurable SOC Interrupt, or  
Battery Low Digital Output Warning  
–
Internal Temperature Sensor, or  
Host Reported Temperature  
Small 12-pin 2.5 mm × 4 mm SON Package  
TYPICAL APPLICATION  
SRN  
SCL  
I2C  
VSYS  
Coulomb  
Counter  
SDA  
Bus  
SRP  
BAT  
CPU  
Battery Pack  
GPOUT  
BIN  
PACKP  
ADC  
Li-Ion  
Cell  
T
Protection  
IC  
VDD  
VSS  
0.47uF  
1.8V  
LDO  
bq27441  
PACKN  
NFET NFET  
1
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.  
Impedance Track is a trademark of Texas Instruments.  
2
3
I2C is a trademark of NXP B.V. Corp Netherlands.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2013–2014, Texas Instruments Incorporated  
 
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BQ27441DRZR-G1B 替代型号

型号 品牌 替代类型 描述 数据表
BQ27441DRZT-G1B TI

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