TPS65200数据手册集成电路（IC）的电池充电器规格书PDF

描述 Description

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).

特性 Features

• 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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