36V, Standalone Switching Charger with Integrated MOSFETs for 3-Cell to 6-Cell Series Battery Pack
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The MP2659 is a highly integrated switching charger designed for portable devices with 3-cell to 6-cell series Li-ion or Li-polymer battery packs. The device achieves up to 3A of charge current with different battery regulation voltages.
The device operates under a maximum 36V DC input voltage and hold-off up to 40V. When an input power supply is present, the MP2659 charges the battery with three phases: pre-charge, constant current charge, and constant voltage charge.
Power management is based on the input current and input voltage. If the input current exceeds the preset input current limit, or the input voltage decreases to the preset input voltage limit, the MP2659 automatically decreases the charge current to protect the input power supply from overload.
To guarantee safe operation, the MP2659 offers robust protection features such as battery over-voltage protection, battery temperature sensing and protection, thermal shutdown, and a charging safety timer.
The MP2659 is available in a QFN-19 (3mmx3mm) package.
- OTP Programmable Parameters
- Reduced BOM Area and Cost with No Sense Resistor
- Small 3mmx3mm Package
- Integrated FETS with Power Path Control
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Features & Benefits
- 4.2V to 36V Operating Input Voltage
- Support Multi-Cells Battery Pack with 3 to 6 Cells in Series
- Different Battery Voltage Options:3.6V/4.2V/4.35V/4.15V
- No External Sense Resistor Required
- No External Reverse Blocking FET Required
- ± 0.5% Float Voltage Accuracy
- Input Current Limit and Input Voltage Limit
- Adapter Present Detection and Status Reporting Battery Temperature Protection
- OTP Programmable
Active Part Numbers:
EV2659-Q-03A Evaluation Kit 36V Switching Charger for Battery Pack with 3-Cell to 6-Cell In Series Evaluation Board
The EV2659-Q-03A is an evaluation board for the MP2659, a highly integrated switching charger designed for portable devices with 3-cell to 6-cell series Li-ion or Li-polymer battery packs. It can achieve up to 3A of charge current, and supports a variety of battery chemistry types with different full battery voltages.
The MP2659 can operate under a maximum 36V DC input voltage and absolute maximum voltage up to 45V. When an input power supply is present, the MP2659 charges the battery with three phases: pre-charge, constant current charge, and constant voltage charge.
To guarantee safe operation, the MP2659 has robust protection features, such as battery short-circuit protection (SCP), battery over-voltage protection (OVP), battery temperature sensing and protection, thermal shutdown, and charging safety timer.