MP2690 4.65-6V, 2.5A Battery Charger QFN-26

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MP2690 4.65-6V, 2.5A Battery Charger QFN-26

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pMPS MP2690 — Battery Charger, 4.65-6V input, 2.5 A output, QFN-26./p

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MPS Battery Management charger QFN-26 Power Management

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MP2690 4.65-6V, 2.5A Battery Charger QFN-26

The MPS MP2690 is a Battery Charger. It operates from a 4.65 V to 6 V input and is rated for 2.5 A. It is supplied in a QFN-26 package.

The MP2690 is a highly integrated, flexible, switch-mode battery charger with system power- path management and is designed for single-cell Li-ion or Li-polymer battery use in a wide range of applications.

Key Specifications

Part Number	MP2690
Function	Battery Charger
Input Voltage	4.65 V to 6 V
Current Rating	2.5 A
Package	QFN-26
Ordering Codes	MP2690

Features

Up to 14V Sustainable Input Voltage
4.65V to 6V Operating Input Voltage Range
Power Management Function, Integrated Input Current Limit, Input Voltage Regulation
Up to 2.5A Programmable Charge Current
Trickle-Charge Function
Selectable 4.2V/4.35V/4.45V Charge Voltage with 0.5% Accuracy
4-LED Driver for Battery Fuel Gauge Indication
Automatic Turn-Off at Light Load
Input Source Detection
Output Source Signaling

Typical Application Circuit

Applications

Sub-Battery Applications
Power-Bank Applications for Smart Phones

Design Notes

Charge current accuracy depends on the sense resistor tolerance, so use a 1% or better part and keep its traces Kelvin-connected.
Wire the NTC input for JEITA profile control if the pack is charged over temperature.
Set the input current limit to what the adapter can actually deliver; a limit above the adapter rating causes the input rail to collapse mid-charge.
Termination current and recharge threshold dominate cycle life in shallow-cycling products.