The MAX1562ESA is a high-efficiency, switch-mode battery charger from Maxim Integrated that is specifically designed for charging one to four series-connected Lithium-Ion (Li+) cells from a USB port or an external adapter. This integrated circuit (IC) is housed in an 8-pin SOP (Small Outline Package) and is engineered to deliver high performance in a compact footprint.
Key Features
- Adaptive Mode Switching: The MAX1562ESA automatically switches between USB and adapter charging modes, providing a versatile charging solution for a wide range of applications.
- High Efficiency: With its switch-mode operation, this charger boasts a high efficiency that reduces power dissipation and heat generation, thereby enhancing the overall performance and reliability of the charging system.
- Programmable Charge Current: Users can set the charge current from 1A to 2A using an external resistor, allowing for flexibility in designing the charging system to meet specific requirements.
- Protection Features: The device includes built-in thermal protection, current-limiting, and battery temperature monitoring to ensure safe and reliable operation under various conditions.
- Charge Status Indicators: The MAX1562ESA provides open-drain outputs to indicate charge status, which can be used to drive LEDs or interface with a microcontroller for user feedback.
Applications
The MAX1562ESA is ideal for portable devices that require efficient and rapid charging. It is commonly used in:
- Smartphones and Tablets
- Digital Cameras
- Portable Media Players
- Handheld Gaming Devices
- Bluetooth Headsets and Accessories
Technical Specifications
| Parameter |
Value |
| Input Voltage |
4.35V to 24V |
| Charge Current (max) |
2A |
| Number of Cells |
1 to 4 Li+ |
| Package Type |
8-pin SOP |
In conclusion, the MAX1562ESA by Maxim Integrated is a sophisticated and highly adaptable charging solution that offers designers a balance of efficiency, flexibility, and protection for their battery-powered devices.