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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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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.
Common Questions
What input voltage does the MP2690 support?
4.65 V to 6 V. The rated output is 2.5 A.
Which package and ordering codes apply to the MP2690?
QFN-26; order codes include MP2690.
What are the defining features of the MP2690?
Up to 14V Sustainable Input Voltage 4.65V to 6V Operating Input Voltage Range
Shenzhen Gaorunxin Technology Co., Ltd
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