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FAN54041UCX

更新时间： 2024-11-15 02:57:23
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安森美 - ONSEMI /
页数 文件大小 规格书
40页 1513K
描述
USB-OTG, 1.55 A, Li-Ion Switching Charger with Power Path and 2.3 A Production Test Support

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FAN54041UCX 数据手册

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FAN54040 — FAN54047  
USB-OTG, 1.55 A, Li-Ion Switching Charger with Power  
Path and 2.3 A Production Test Support  
Description  
Features  
The FAN5404X family includes I2C controlled 1.55 A USB-  
.
Fully Integrated, High-Efficiency Charger for Single-Cell  
Li-Ion and Li-Polymer Battery Packs  
compliant sw itch-mode chargers w ith pow er path operation  
and USB OTG boost operation. Integrated w ith the charger,  
the IC supports production test mode, w hich provides 4.2 V  
at up to 2.3 A to the system.  
.
Pow er Path Circuit Ensures Fast System Startup w ith a  
Dead Battery w hen VBUS is Connected  
.
.
1.55 A Maximum Charge Current  
Float Voltage Accuracy:  
To facilitate fast system startup, the IC includes a pow er  
path circuit, w hich disconnects the battery from the system  
rail, ensuring that the system can pow er up quickly follow ing  
a VBUS connection. The pow er path circuit ensures that the  
system rail stays up w hen the charger is plugged in, even if  
the battery is dead or shorted.  
-
-
±0.5% at 25°C  
±1% from 0 to 125°C  
.
.
±5% Input and Charge Current Regulation Accuracy  
Temperature-Sense Input Prevents Auto-Charging for  
JEITA Compliance  
The charging parameters and operating modes are  
programmable through an I2C Interface that operates up to  
3.4 Mbps. The charger and boost regulator circuits sw itch at  
3 MHz to minimize the size of external passive components.  
.
.
.
.
.
.
Thermal Regulation and Shutdow n  
4.2 V at 2.3 A Production Test Mode  
5 V, 500 mA Boost Mode for USB OTG  
28 V Absolute Maximum Input Voltage  
6 V Maximum Input Operating Voltage  
The FAN5404X provides battery charging in three phases:  
conditioning, constant current, and constant voltage. The  
integrated circuit automatically restarts the charge cycle  
w hen the battery falls below a voltage threshold. If the input  
source is removed, the IC enters a high-impedance mode  
blocking battery current from leaking to the input. Charge  
status is reported back to the host through the I2C port.  
Programmable through High-Speed I2C Interface  
(3.4 Mb/s) w ith Fast Mode Plus Compatibility  
-
-
-
-
Input Current  
Fast-Charge / Termination Current  
Float Voltage  
Dynamic input voltage control prevents a w eak adapter’s  
voltage from collapsing, ensuring charging capability from  
such adapters.  
Termination Enable  
The FAN5404X is available in a 25-bump, 0.4 mm pitch,  
WLCSP package.  
.
3 MHz Synchronous Buck PWM Controller w ith  
Wide Duty Cycle Range  
.
.
.
.
Small Footprint 1 µH External Inductor  
Safety Timer w ith Reset Control  
VBUS  
CBUS  
L1  
SW  
CSYS  
SYS  
PGND  
Dynamic Input Voltage Control  
SYSTEM  
LOAD  
Q5  
PMID  
GATE  
Very Low Battery Current w hen Charger Inactive  
CMID  
External  
PMOS  
Applications  
FAN5404X  
POK_B  
ILIM  
VBAT  
.
.
.
Cell Phones, Smart Phones, PDAs  
CBAT  
SDA  
SCL  
NTC  
REF  
Tablet, Portable Media Players  
Gaming Device, Digital Cameras  
RREF  
BATTERY  
DIS  
CREF  
+
STAT  
AGND  
T
Figure 1. Typical Application  
All trademarks are the property of their respective owners.  
© 2012 Semiconductor Components Industries, LLC.  
December-2017, Rev. 2  
Publication Order Number:  
FAN54041/D  
 
1234567...40

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FAN54041UCX 替代型号

型号 品牌 替代类型 描述 数据表
FAN54046UCX ONSEMI

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