TPS65200 Datasheet, PDF (1/60 Pages) Texas Instruments – LI+ BATTERY CHARGER WITH WLED DRIVER AND CURRENT SHUNT MONITOR

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