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BQ25050DQCR PDF预览

BQ25050DQCR

更新时间： 2024-09-29 08:59:07
品牌 Logo 应用领域
德州仪器 - TI 电源电路电池电源管理电路光电二极管PC
页数 文件大小 规格书
28页 1708K
描述
1A, Single-Input, Single Cell Li-Ion Battery Charger with 50-mA LDO, External Power Path

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中文翻译

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BQ25050DQCR 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：SON
包装说明：WSON-10针数：10
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.78Samacsys Confidence：4
Samacsys Status：ReleasedSamacsys PartID：751430
Samacsys Pin Count：11Samacsys Part Category：Integrated Circuit
Samacsys Package Category：Small Outline No-leadSamacsys Footprint Name：BQ25050package
Samacsys Released Date：2017-12-05 15:26:10Is Samacsys：N
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-N10JESD-609代码：e4
长度：2 mm湿度敏感等级：2
信道数量：2功能数量：1
端子数量：10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：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.75 mm
最大供电电流 (Isup)：3 mA最大供电电压 (Vsup)：28 V
最小供电电压 (Vsup)：3.55 V标称供电电压 (Vsup)：5 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：0.5 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

BQ25050DQCR 数据手册

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bq25050  
www.ti.com  
SLUSA33 –MARCH 2010  
1A, Single-Input, Single Cell Li-Ion Battery Charger with 50-mA LDO, External Power Path  
Control, and Single Input Interface  
Check for Samples: bq25050  
1
FEATURES  
DESCRIPTION  
•
30V input Rating, With 10.5V Over-Voltage  
Protection (OVP)  
The bq25050 is a highly integrated Li-Ion linear  
battery charger targeted at space-limited portable  
applications. It operates from either a USB port or AC  
Adapter and charges a single-cell Li-Ion battery with  
up to 1A of charge current. The 30V input voltage  
range with input over-voltage protections supports  
low-cost unregulated adapters.  
•
FET Controller for External Battery FET for  
External Power Path Control (BGATE)  
•
•
Input Voltage Dynamic Power Management  
50mA integrated Low Dropout Linear  
Regulator (LDO)  
•
Programmable Charge Current Through Single  
Input Interface (CTRL)  
The bq25050 has a single power output that charges  
the battery. The system load is connected to OUT.  
The low-battery system startup circuitry maintains  
OUT greater than 3.4V whenever an input source is  
connected. This allows the system to start-up and run  
whenever an input source is connected regardless of  
the battery voltage. The charge current is  
programmable up to 1A using the CTRL input.  
Additionally, a 4.9V 50mA LDO is integrated into the  
IC for supplying low power external circuitry.  
•
•
•
•
0.5% Battery Voltage Regulation Accuracy  
7% Charge Current Regulation Accuracy  
Thermal Regulation and Protection  
Battery NTC Monitoring During Charge and  
Discharge  
•
•
Status Indication – Charging/Done and  
Temperature Faults  
The battery is charged in three phases: conditioning,  
constant current and constant voltage. In all charge  
phases, an internal control loop monitors the IC  
junction temperature and reduces the charge current  
if an internal temperature threshold is exceeded. The  
charger power stage and charge current sense  
functions are fully integrated. The charger function  
has high accuracy current and voltage regulation  
loops, charge status display, and charge termination.  
Available in small 2mm × 3mm 10 Pin SON  
Package  
APPLICATIONS  
•
•
•
•
Smart Phones  
Mobile Phones  
Portable Media Players  
Low Power Handheld Devices  
TYPICAL APPLICATION CIRCUIT  
VGPIO  
VGPIO  
bq25050  
CHG  
R2  
100kΩ  
USB or Adaptor  
8
STATUS  
VDD  
1
VBUS  
D+  
IN  
10  
OUT  
C1  
0.1uF  
D-  
C2  
1uF  
GND  
QBAT  
9
BGATE  
BAT  
HOST  
7
CTRL  
6
5
PACK+  
TEMP  
TS  
C4  
0.1uF  
2
3
IMON  
VSS  
R1  
1 kΩ  
PACK-  
4
VLDO  
LDO  
C3  
0.1uF  
ISENSE  
GPIO  
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.  
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 © 2010, Texas Instruments Incorporated  
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中文翻译

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BQ25050DQCR 替代型号

型号 品牌 替代类型 描述 数据表
BQ25050DQCT TI

完全替代

 1A, Single-Input, Single Cell Li-Ion Battery Charger with 50-mA LDO, External Power Path

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