EV2639A-R-00B 4-5.75V, 2.5A Reference Design Evaluation Board QFN-26

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EV2639A-R-00B 4-5.75V, 2.5A Reference Design Evaluation Board QFN-26

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MPS QFN-26 Power Management Evaluation Boards

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EV2639A-R-00B 4-5.75V, 2.5A Reference Design Evaluation Board QFN-26

The MPS EV2639A-R-00B is an evaluation board built around the MP2639A for bench characterisation of the device in its intended topology. It operates from a 4 V to 5.75 V input and is rated for 2.5 A. The board carries the device in its QFN-26 package.

The EV2639A-R-00B is the reference design board for MP2639A, a highly-integrated, flexible switch-mode battery charge management for 2- cell series Li-ion and Li-Polymer battery used in a wide range of applications.

Key Specifications

Part Number	EV2639A-R-00B
Board For	MP2639A
Board Type	Evaluation / demonstration board
Function	Reference Design
Input Voltage	4 V to 5.75 V
Current Rating	2.5 A
Package	QFN-26
Ordering Codes	EV2639A-R-00B

Features

4.0V-to-5.75V Input Voltage Range
Charge 2- Cell Battery With 5V Input
USB-compliant Charger
Integrated Both Input-Current-Based and Input-Voltage-Based Power Management Function
Input Current at 3A and Input Voltage Limit at 4.49V
2.5A Charge Current for 2-Cell Application
8.4V Charge Voltage with 0.5% Accuracy
Negative Temperature Coefficient Pin for Temperature Monitoring
Charge Timer Back-up Protection
Thermal Regulation and Thermal Shutdown

Evaluation Board

Design Notes

The board ships in a default configuration; check the jumper and resistor options against the user guide before applying power.
Respect the input terminal rating — most faults on evaluation boards come from an supply above the marked limit.
Test points on the switching node and output are for a short-ground probe, not for a long oscilloscope lead.
Where a GUI is supported, connect the dongle before power-up so the device enumerates on the I²C bus.