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BQ24155RGYR PDF预览

BQ24155RGYR

更新时间： 2024-02-18 13:21:38
品牌 Logo 应用领域
德州仪器 - TI 电源电路电池开关电源管理电路
页数 文件大小 规格书
30页 1319K
描述
Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance

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中文翻译

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BQ24155RGYR 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：QFN
包装说明：HVQCCN, LCC14/18,.14SQ,20针数：14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.8可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PQCC-N14
JESD-609代码：e4长度：3.5 mm
湿度敏感等级：2信道数量：1
功能数量：1端子数量：14
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：LCC14/18,.14SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：5 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)：5 mA最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：4 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：QUAD
阈值电压标称：+3.3V处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.5 mmBase Number Matches：1

BQ24155RGYR 数据手册

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bq24155  
www.ti.com  
SLUS942 –FEBRUARY 2010  
Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance  
Check for Samples: bq24155  
1
FEATURES  
2
•
Charge Faster than Linear Chargers  
APPLICATIONS  
•
•
•
Mobile and Smart Phones  
MP3 Players  
Handheld Devices  
•
High-Accuracy Voltage and Current Regulation  
–
–
–
Input Current Regulation Accuracy: ±5%  
(100 mA and 500 mA)  
Charge Voltage Regulation Accuracy:  
±0.5% (25°C), ±1% (0°C-125°C)  
DESCRIPTION  
The bq24155 is a compact, flexible, high-efficiency,  
USB-friendly switch-mode charge management  
device for single-cell Li-ion and Li-polymer batteries  
used in a wide range of portable applications. The  
charge parameters can be programmed through an  
I2C interface. The bq24155 integrates a synchronous  
PWM controller, power FETs, input current sensing,  
high-accuracy current and voltage regulation, and  
charge termination, into a small WCSP package.  
Charge Current Regulation Accuracy: ±5%  
•
High-Efficiency Mini-USB/AC Battery Charger  
for Single-Cell Li-Ion and Li-Polymer Battery  
Packs  
•
•
•
•
20-V Absolute Maximum Input Voltage Rating  
6-V Maximum Operating Input Voltage  
Built-In Input Current Sensing and Limiting  
Integrated Power FETs for Up To 1.25-A  
Charge Rate  
The bq24155 charges the battery in three phases:  
conditioning, constant current and constant voltage.  
The input current is automatically limited to the value  
set by the host. Charge is terminated based on  
user-selectable minimum current level. A safety timer  
with reset control provides a safety backup for I2C  
interface. During normal operation, bq24155  
automatically restarts the charge cycle if the battery  
voltage falls below an internal threshold and  
automatically enters sleep mode or high impedance  
mode when the input supply is removed. The charge  
status is reported to the host using the I2C compatible  
interface.  
•
Programmable Charge Parameters through  
I2C™ Compatible Interface (up to 3.4 Mbps):  
–
–
–
–
–
Input Current  
Fast-Charge/Termination Current  
Charge Voltage (3.5 V to 4.44 V)  
Safety Timer with Reset Control  
Termination Enable  
•
Synchronous Fixed-Frequency PWM  
Controller Operating at 3 MHz with 0% to  
99.5% Duty Cycle  
Typical Application Circuit  
•
•
Automatic High Impedance Mode for Low  
Power Consumption  
L
1.0 mH  
O
R
SNS  
V
BUS  
C
VBUS  
SW  
C
O
IN  
Robust Protection  
C
U1  
BOOT  
10nF  
10  
mF  
1 mF  
bq24155  
PACK+  
+
–
Reverse Leakage Protection Prevents  
Battery Drainage  
PMID  
BOOT  
PGND  
C
IN  
0.1 mF  
VAUX  
4.7 mF  
CSIN  
10 kW  
10 kW  
2
I
C BUS  
PACK-  
10 kW  
–
–
Thermal Regulation and Protection  
Input/Output Overvoltage Protection  
CSOUT  
SCL  
SCL  
SDA  
STAT  
SDA  
AUXPWR  
VREF  
C
STAT  
ISEL  
SGND  
AUXPWR  
ISEL  
C
1
mF  
VREF  
10 kW  
•
•
•
•
•
Status Output for Charging and Faults  
USB Friendly Boot-Up Sequence  
Automatic Charging  
1
mF  
HOST  
Power Up System without Battery  
3.5 mm x 3.5 mm 14-Pin QFN Package  
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.  
2
I2C is a trademark of Philips Electronics.  
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  
1234567...30

中文翻译

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BQ24155RGYR 替代型号

型号 品牌 替代类型 描述 数据表
BQ24155RGYT TI

完全替代

 Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance

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