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MP2618 2A, 24V Input, 600kHz 2-3 Cell Switching Li-Ion Battery Charger With QFN28
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pMPS MP2618 — 2A, 24V Input, 600kHz 2-3 Cell Switching Li-Ion Battery Charger With, 24V input, 2 A output, QFN28./p
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MP2618 2A, 24V Input, 600kHz 2-3 Cell Switching Li-Ion Battery Charger With QFN28
The MPS MP2618 is a 2A, 24V Input, 600kHz 2-3 Cell Switching Li-Ion Battery Charger With. It accepts up to 24 V at the input, is rated for 2 A and switches at 600 kHz. It is supplied in a QFN28 package.
The MP2618 is a monolithic switching charger for 2-3 cell Li-Ion battery packs with a built-in internal power MOSFET.
Key Specifications
| Part Number | MP2618 |
| Function | 2A, 24V Input, 600kHz 2-3 Cell Switching Li-Ion Battery Charger With |
| Input Voltage | up to 24 V |
| Current Rating | 2 A |
| Switching Frequency | 600 kHz |
| Peak Efficiency | 90% |
| Package | QFN28 |
| Ordering Codes | MP2618 |
Features
- Charges 2-3 cell Li-Ion battery packs
- Wide Operating Input Range
- Up to 2A Programmable Charging Current
- Power Path Management with Current Sharing
- ±0.75% VBATT Accuracy
- 0.28Ω Internal Power MOSFET Switch
- Up to 90% Efficiency
- Fixed 600kHz Frequency
- Preconditioning for fully depleted batteries
- Charging Operation Indicator
Typical Application Circuit
Applications
- Netbook PC
- Distributed Power Systems
- Chargers for 2-Cell or 3-Cell Li-Ion Batteries
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 MP2618 support?
Up to 24 V. The rated output is 2 A.
Which package and ordering codes apply to the MP2618?
QFN28; order codes include MP2618.
What are the defining features of the MP2618?
Charges 2-3 cell Li-Ion battery packs Wide Operating Input Range
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