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參數(shù)資料
| 型號： | TPS65200YFFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, BGA36 |
| 封裝： | 2.80 X 2.60 MM, 0.40 MM PITCH, GREEN, DSBGA-36 |
| 文件頁數(shù)： | 1/59頁 |
| 文件大小： | 2424K |
| 代理商： | TPS65200YFFT |
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www.ti.com
SLVSA48 – APRIL 2010
LI+ BATTERY CHARGER WITH WLED DRIVER AND CURRENT SHUNT MONITOR
Check for Samples: TPS65200
1
FEATURES
Power Consumption
Battery Switching Charger, WLED Driver, and
Current Shunt Monitor in a Single Package
Safety Timer with Reset Control
BATTERY CHARGER
Reverse Leakage Protection Prevents Battery
Drainage
Charges Faster Than Linear Chargers
Thermal Regulation and Protection
High-Accuracy Voltage and Current Regulation
Input/Output Over Voltage Protection
–
Input Current Regulation Accuracy: ±5%
(100 mA, 500 mA)
Status Output for Charging and Faults
–
Charge Voltage Regulation Accuracy:
USB Friendly Boot-Up Sequence
±0.5% (25°C),
Automatic Charging
±1% (0 - 125°C)
Boost Mode Operation for USB OTG
–
Charge Current Regulation Accuracy: ±5%
–
Input Voltage Range (VSYS): 2.5 V to 4.5 V
Input Voltage Based Dynamic Power
–
Output Voltage for VBUS: 5 V
Management
WLED DRIVER
Bad Adaptor Detection and Rejection
35-V Open LED Protection for up to 8 LEDs
Safety Limit Register for Maximum Charge
200-mV Reference Voltage With ±2% Accuracy
Voltage and Current Limiting
Built-In Soft Start for WLED Boost
High-Efficiency Mini-USB/AC Battery Charger
Up to 90% Efficiency
for Single-Cell Li-Ion and Li-Polymer Battery
Packs
2.5-V - 4.5-V Battery Voltage Range
(Charger and Current Shunt Monitor)
20-V Absolute Maximum Input Voltage Rating
CURRENT SHUNT MONITOR
6.0-V Maximum Operating Input Voltage
Fixed Gain of 25 V/V
Built-In Input Current Sensing and Limiting
Input Referred Offset Voltage Less Than
Integrated Power FETs for Up to 1.25-A Charge
±40 V Typical Enables Use of Shunt Resistors
Rate
as Low as 20 m
Ω
Programmable Charge Parameters through I2C
Buffered Reference Voltage
Interface (up to 400 Kbps):
2.5-V - 4.5-V Battery Voltage Range
–
Input Current
(Charger and Current Shunt monitor)
–
Fast-Charge/Termination Current
PACKAGE
–
Charge Voltage (3.5 V - 4.44 V)
36-Ball, 0.4-mm Pitch DSBGA Package
–
Safety Timer
6-mm x 6-mm, 0.5-mm Pitch QFN
–
Termination Enable
Synchronous Fixed-Frequency PWM
APPLICATIONS
Controller Operating at 3 MHz With 0% to
Mobile Phones and Smart Phones
99.5% Duty Cycle
MP3 Players
Portable Navigation Devices
Handheld Devices
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.
Copyright 2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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