TPS65200
www.ti.com
SLVSA48 –APRIL 2010
LI+ BATTERY CHARGER WITH WLED DRIVER AND CURRENT SHUNT MONITOR
Check for Samples: TPS65200
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FEATURES
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Automatic High Impedance Mode for Low
Power Consumption
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Battery Switching Charger, WLED Driver, and
Current Shunt Monitor in a Single Package
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Safety Timer with Reset Control
BATTERY CHARGER
Reverse Leakage Protection Prevents Battery
Drainage
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Charges Faster Than Linear Chargers
High-Accuracy Voltage and Current Regulation
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Thermal Regulation and Protection
Input/Output Over Voltage Protection
Status Output for Charging and Faults
USB Friendly Boot-Up Sequence
Automatic Charging
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Input Current Regulation Accuracy: ±5%
(100 mA, 500 mA)
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Charge Voltage Regulation Accuracy:
±0.5% (25°C),
±1% (0 - 125°C)
Boost Mode Operation for USB OTG
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Charge Current Regulation Accuracy: ±5%
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Input Voltage Range (VSYS): 2.5 V to 4.5 V
Output Voltage for VBUS: 5 V
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Input Voltage Based Dynamic Power
Management
WLED DRIVER
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Bad Adaptor Detection and Rejection
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35-V Open LED Protection for up to 8 LEDs
200-mV Reference Voltage With ±2% Accuracy
Built-In Soft Start for WLED Boost
Up to 90% Efficiency
Safety Limit Register for Maximum Charge
Voltage and Current Limiting
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High-Efficiency Mini-USB/AC Battery Charger
for Single-Cell Li-Ion and Li-Polymer Battery
Packs
2.5-V - 4.5-V Battery Voltage Range
(Charger and Current Shunt Monitor)
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20-V Absolute Maximum Input Voltage Rating
6.0-V Maximum Operating Input Voltage
Built-In Input Current Sensing and Limiting
CURRENT SHUNT MONITOR
Fixed Gain of 25 V/V
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Input Referred Offset Voltage Less Than
±40 µV Typical Enables Use of Shunt Resistors
as Low as 20 mΩ
Integrated Power FETs for Up to 1.25-A Charge
Rate
Programmable Charge Parameters through I2C
Interface (up to 400 Kbps):
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Buffered Reference Voltage
2.5-V - 4.5-V Battery Voltage Range
(Charger and Current Shunt monitor)
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Input Current
Fast-Charge/Termination Current
Charge Voltage (3.5 V - 4.44 V)
Safety Timer
PACKAGE
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36-Ball, 0.4-mm Pitch DSBGA Package
6-mm x 6-mm, 0.5-mm Pitch QFN
Termination Enable
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Synchronous Fixed-Frequency PWM
Controller Operating at 3 MHz With 0% to
99.5% Duty Cycle
APPLICATIONS
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Mobile Phones and Smart Phones
MP3 Players
Portable Navigation Devices
Handheld Devices
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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