aat3683 Datasheet - Analogictech
The AAT3683 is a highly integrated, single-cell lithium-ion/polymer battery manager for handheld devices.
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📝 Component Overview
The AAT3683 is a highly integrated, single-cell lithium-ion/polymer battery manager for handheld devices. It includes a linear charger, a power manager with a 5V boost converter, and system power control. The device is designed to work with a single-cell lithium-ion or lithium-polymer battery and can charge the battery from a USB port or an AC adapter.
Key Features and Benefits
- Highly Integrated Battery Manager
- Linear Charger for Single-Cell Lithium-Ion/Polymer Batteries
- 5V Boost Converter for System Power
- Power Management with System Power Control
- Compatible with USB and AC Adapter Charging
- Low Dropout Voltage Regulator
- Overcharge Protection
- Over-Discharge Protection
- Thermal Regulation
Typical Applications
- Handheld Devices
- Smartphones
- Tablets
- Portable Media Players
- Digital Cameras
- GPS Devices
- Wireless Headsets
- Bluetooth Devices
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +150°C |
| Input Voltage | 6.5V |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Charging Current | Typical | 100mA | 500mA | 1000mA | mA |
| Output Voltage | Typical | 4.1V | 4.2V | 4.3V | V |
Package Information
- QFN33-16: A 16-pin, 3x3mm QFN package
Pin Configuration
- Pin 1: VCC - Power supply input
- Pin 2: GND - Ground
🔧 Application Guidelines
Design Considerations
The AAT3683 is designed for single-cell lithium-ion or lithium-polymer battery applications. It is crucial to ensure the battery used is compatible with the charger's specifications to avoid damage or inefficient charging.
Installation Guidelines
The device should be mounted on a PCB with appropriate thermal management to ensure reliable operation. Follow standard soldering practices for QFN packages.
Operational Notes
The AAT3683 includes overcharge and over-discharge protection. However, it is still important to follow proper charging and discharging practices to prolong battery life and ensure device safety.