The EV2733B-QC-00A is an evaluation board designed to demonstrate the capabilities of the MP2733B, a wide input, 4.5A, highly integrated, switch-mode battery charger IC for single-cell Li-ion or Li-polymer batteries. This device supports narrow-voltage DC (NVDC) architectures with power path management. It is well-suited for portable applications, such as tablets, mobile internet devices, and smartphones.
The MP2733B’s low-impedance power path optimizes efficiency, reduces battery charging time, and extends battery life.
The I2C serial interface allows the user to flexibly control the device by changing charging and system settings.
The EV2733B-QC-00A supports input sources up to 16V, including standard USB host ports and high-voltage wall adapters with fast-charge capability. The EV2733B-QC-00A supports USB On-The-Go (OTG) operation by supplying 5V with 3A.
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High-Efficiency, 4.5A, 1.35MHz Buck Charger with Up to 92% Charge Efficiency and 3A Charge Current:
Configurable D+/D- for Flexible Fast Charge Protocol Support
USB OTG with 4.8V to 5.5V Adjustable Output: Up to 3A Output, and Up to 93% Efficiency with 1.5A Output
Narrow-Voltage DC (NVDC) Power Path Management:
Ideal Diode Operation in Battery Supplement Mode
High Battery Discharge Efficiency with 14mΩ BATTFET
I2C Interface for Flexible System Parameter Setting and Status Reporting
Fully Integrated MOSFETs and Current Sensing
Dedicated DISC Pin to Control Shipping Mode and System Reset
13µA Low Battery Leakage Current in Shipping Mode
Exit Shipping Mode via VIN Insertion
Integrated Analog-to-Digital Converter (ADC) Monitors the Input Voltage (VIN), Input Current (IIN), Battery Voltage (VBATT), Charge Current, System Voltage (VSYS), and Battery Temperature
Charging Status Indicator
Safety Features Include Configurable JEITA for Battery Temperature Protection in Charge Mode, Battery Charging Safety Timer, Thermal Regulation and Shutdown, Watchdog Monitoring I2C, and Input/System Over-Voltage Protection (OVP)
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