具有 WLED 驅(qū)動器和電流并聯(lián)監(jiān)控器的鋰離子電池充電器
| Regulated outputs (#) | 2 |
| Vin (Min) (V) | 2.5 |
| Vin (Max) (V) | 6 |
| Iout (Max) (A) | 0.2 |
| Rating | Catalog |
| LDO | 1 |
| Features | Comm Control |
| Processor name | Vizplex |
| Processor supplier | E Ink |
| Switching frequency (Typ) (kHz) | 600 |
| Configurability | Software configurable |
- 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 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
- Input Voltage Range (VSYS): 2.5 V to
- 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
All other trademarks are the property of their respective owners
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).
