The EV2762A-V-00A is an evaluation board for the MP2762A, a highly integrated buck or boost charger IC with narrow-voltage DC (NVDC) power path management and USB On-the-Go (OTG) for battery packs with two cells in series. All power MOSFETs are integrated to provide an easy-to-use, compact system solution.
The IC can accept a wide range of input voltages for charging, with a maximum of 21V. The device has two operating modes during the charging process: boost charging mode and buck charging mode. In boost charging mode, two buck phases are in parallel, and the high-side MOSFET is always on in each phase. In buck charging mode, two interleaving buck phases simplify inductor selection by allowing for a smaller profile and reduced output current ripple.
The MP2762A provides a 4.75V to 5.5V input voltage range in USB OTG mode. The device utilizes a single-phase buck converter to provide 5V/3A from the battery pack.
The MP2762A is available in a QFN-30 (4mmx5mm) package.
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Buck or Boost Charger For 2 Cells In Series Battery Pack
NVDC Power Management
4V to 21V Operating Input Voltage Range
Up to 28V (20ns) Sustainable Input Voltage
Dual-Phase Interleaving in Buck Charging Mode
I2C Interface for Setting Charging Parameters and Status Reporting
System Power Indication via the PSYS Pin
Input Current and Battery Current Monitoring via the IAM/IBM Pin
Robust Charging Protections Including Battery Temperature Protection, Battery Over-Voltage Protection (OVP), System OVP, and a Configurable Safety Charge Timer
Thermal Regulation and Thermal Shutdown
600kHz, 800kHz, or 1MHz Configurable Switching Frequency for Each Phase
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