The TPS65200 device integrates a high-efficiency, USB-friendly switched-mode charger with OTG support for single-cell Li-ion and Li-polymer batteries, D+D detection, a 50-mA fixed-voltage LDO, a high-efficiency WLED boost converter, and high-accuracy current-shunt monitor into a single chip.
The TPS65200 comes in a tiny, 2.8-mm × 2.6-mm, 36-pin, 0.4-mm pitch die size ball grid array (DSBGA).
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%
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
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
Safety Timer With Reset Control
Reverse Leakage Protection Prevents Battery
Drainage
Thermal Regulation and Protection
Input/Output Overvoltage Protection
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
* 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
* Package
36-Ball, 0.4-mm Pitch DSBGA Package
* APPLICATIONS
Mobile Phones and Smart Phones
MP3 Players
Portable Navigation Devices
Handheld Devices
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