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Key Features
Applications/Uses
Simplified Block Diagram
Technical Docs
| Data Sheet | Evaluation Kit for the MAX1757, MAX1758 | Dec 08, 2000 |
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Key Features
- Complete Li+ Charging Solution up to 3-Series Cells (MAX1757) and 4-Series Cells (MAX1758)
- 1.5A Battery-Charging Current
- Low Heat/High Efficiency
- 300kHz PWM Operation
- Up to 14V Input Voltage Range (MAX1757)
- Up to 28V Input Voltage Range (MAX1758)
- 28-Pin SSOP Package
- Surface-Mount Construction
- Fully Assembled and Tested
Applications/Uses
- Desktop Cradle Chargers
- Handheld Instruments (PDAs, Palmtops)
- Li+ Battery Packs
- Notebook Computers
- PDAs
Description
The MAX1757/MAX1758 evaluation kits (EV kits) are assembled and tested PC boards that implement a step-down, switching lithium-ion (Li+) battery charger. The MAX1757 EV kit can be set to charge 1- to 3-series cells, and the MAX1758 EV kit can be set to charge 1- to 4-series cells. The cell voltage can be set between 4.0V and 4.4V using standard 1% resistors while maintaining 1% overall regulation voltage accuracy. Three LEDs indicate the charging status.
The MAX1757/MAX1758 EV kits detect faulty cells and terminate charging. Two capacitors are used to set the charge termination, prequalification, and fault timeout periods. A user-supplied thermistor may be connected to either EV kit to monitor battery temperature and suspend charging for over-/undertemperature conditions.
The MAX1757/MAX1758 EV kits detect faulty cells and terminate charging. Two capacitors are used to set the charge termination, prequalification, and fault timeout periods. A user-supplied thermistor may be connected to either EV kit to monitor battery temperature and suspend charging for over-/undertemperature conditions.
Simplified Block Diagram
Technical Docs
| Data Sheet | Evaluation Kit for the MAX1757, MAX1758 | Dec 08, 2000 |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
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