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MP2611 4.5-6V 2A, 1-Cell Li-Ion Battery Switching Charger For USB and Adapter Power QFN14
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pMPS MP2611 — 2A, 1-Cell Li-Ion Battery Switching Charger For USB and Adapter Power, 4.5-6V input, 2 A output, QFN14./p
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MP2611 4.5-6V 2A, 1-Cell Li-Ion Battery Switching Charger For USB and Adapter Power QFN14
The MPS MP2611 is a 2A, 1-Cell Li-Ion Battery Switching Charger For USB and Adapter Power. It operates from a 4.5 V to 6 V input and is rated for 2 A. It is supplied in a QFN14 package.
The MP2611 is a monolithic switching charger with built-in power MOSFETs for a single-cell Li-Ion battery pack.
Key Specifications
| Part Number | MP2611 |
| Function | 2A, 1-Cell Li-Ion Battery Switching Charger For USB and Adapter Power |
| Input Voltage | 4.5 V to 6 V |
| Current Rating | 2 A |
| Peak Efficiency | 100% |
| Package | QFN14 |
| Ordering Codes | MP2611 |
Features
- 4.5V-to-6V Operating Input Voltage
- Up to 100% Duty Operation.
- Up to 2A Programmable Charge Current
- ±0.5% Battery Voltage Accuracy
- Separate Inputs for USB and AC Adapter
- Fully-Integrated Power Switches
- Programmable Input Current Limit for the USB Port
- No External Reverse Blocking Diode Required
- Charging Operation Indicators
- Programmable Safety Timer
Typical Application Circuit
Applications
- Smartphones
- Portable Hand-Held Solutions
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 MP2611 support?
4.5 V to 6 V. The rated output is 2 A.
Which package and ordering codes apply to the MP2611?
QFN14; order codes include MP2611.
What are the defining features of the MP2611?
4.5V-to-6V Operating Input Voltage Up to 100% Duty Operation.
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