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FAN5401UCX

更新时间： 2024-11-14 10:28:11
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 电池开关
页数 文件大小 规格书
5页 553K
描述
USB-Compliant Single-Cell Li-Ion Switching Charger

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FAN5401UCX 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Transferred零件包装代码：CSP
包装说明：VFBGA, BGA20,4X5,16针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.55
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-XBGA-B20
JESD-609代码：e1长度：1.96 mm
湿度敏感等级：1功能数量：1
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：VFBGA封装等效代码：BGA20,4X5,16
封装形状：RECTANGULAR封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
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：0.625 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.09 mA
最大供电电压 (Vsup)：6 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Tin/Silver/Copper (Sn/Ag/Cu)端子形式：BALL
端子节距：0.4 mm端子位置：BOTTOM
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.87 mm
Base Number Matches：1

FAN5401UCX 数据手册

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November 2010  
FAN5400 Family  
USB-Compliant Single-Cell Li-Ion Switching Charger with  
USB-OTG Boost Regulator  
Features  
Description  
The FAN5400 family (FAN540X) combines a highly integrated  
switch-mode charger, to minimize single-cell Lithium-ion (Li-  
ion) charging time from a USB power source, and a boost  
regulator to power a USB peripheral from the battery.  
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Fully Integrated, High-Efficiency Charger for Single-Cell  
Li-Ion and Li-Polymer Battery Packs  
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ƒ
Faster Charging than Linear  
Charge Voltage Accuracy:  
±0.5% at 25°C  
±1% from 0 to 125°C  
The charging parameters and operating modes are  
programmable through an I2C Interface that operates up to  
3.4Mbps. The charger and boost regulator circuits switch at  
3MHz to minimize the size of external passive components.  
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ƒ
ƒ
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±5% Input Current Regulation Accuracy  
±5% Charge Current Regulation Accuracy  
20V Absolute Maximum Input Voltage  
6V Maximum Input Operating Voltage  
1.25A Maximum Charge Rate  
The FAN540X provides battery charging in three phases:  
conditioning, constant current, and constant voltage.  
To ensure USB compliance and minimize charging time, the  
input current is limited to the value set through the I2C host.  
Charge termination is determined by a programmable  
minimum current level. A safety timer with reset control  
provides a safety backup for the I2C host.  
Programmable through High-Speed I2C Interface  
(3.4Mb/s) with Fast Mode Plus Compatibility  
–
–
–
–
Input Current  
The integrated circuit (IC) automatically restarts the charge  
cycle when the battery falls below an internal threshold. If the  
input source is removed, the IC enters a high-impedance  
mode with leakage from the battery to the input prevented.  
Charge status is reported back to the host through the I2C  
port. Charge current is reduced when the die temperature  
reaches 120°C.  
Fast-Charge / Termination Current  
Charger Voltage  
Termination Enable  
ƒ
3MHz Synchronous Buck PWM Controller with Wide  
Duty Cycle Range  
The FAN540X can operate as a boost regulator on  
command from the system. The boost regulator includes a  
soft-start that limits inrush current from the battery.  
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Small Footprint 1μH External Inductor  
Safety Timer with Reset Control  
The FAN540X is available in a 1.96 x 1.87mm, 20-bump,  
0.4mm pitch WLCSP package.  
1.8V Regulated Output from VBUS for Auxiliary Circuits  
Weak Input Sources Accommodated by Reducing  
Charging Current to Maintain Minimum VBUS Voltage  
1μH  
L1  
VBUS  
1μF  
SW  
ƒ
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Low Reverse Leakage to Prevent Battery Drain to VBUS  
RSENSE  
CBUS  
0.1μF  
COUT  
5V, 300mA Boost Mode for USB OTG for 2.5 to 4.5V  
Battery Input  
PGND  
CSIN  
68mΩ  
PMID  
4.7μF  
Battery  
+
CMID  
FAN540X  
VBAT  
SDA  
SCL  
Applications  
CBAT  
10μF  
SYSTEM  
LOAD  
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Cell Phones, Smart Phones, PDAs  
DISABLE  
VREG  
CREG  
OTG/USB#  
STAT  
Tablet, Portable Media Players  
Gaming Device, Digital Cameras  
1μF  
Figure 1. Typical Application (FAN5403-05 Pinout)  
All trademarks are the property of their respective owners.  
© 2008 Fairchild Semiconductor Corporation  
FAN5400 Family • Rev. 1.0.2  
www.fairchildsemi.com  
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