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MP2615B 4.5-18V, 2A Cell Li-ion Battery Charger In 3mm x 3mm Package QFN-16
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pMPS MP2615B — Cell Li-ion Battery Charger In 3mm x 3mm Package, 4.5-18V input, 2 A output, QFN-16./p
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MP2615B 4.5-18V, 2A Cell Li-ion Battery Charger In 3mm x 3mm Package QFN-16
The MPS MP2615B is a Cell Li-ion Battery Charger In 3mm x 3mm Package. It operates from a 4.5 V to 18 V input and is rated for 2 A. It is supplied in a QFN-16 package.
The MP2615B is a monolithic switching charger for a 1 cell lithium-Ion or lithium-Polymer battery packed with built-in power MOSFETs.
Key Specifications
| Part Number | MP2615B |
| Function | Cell Li-ion Battery Charger In 3mm x 3mm Package |
| Input Voltage | 4.5 V to 18 V |
| Current Rating | 2 A |
| Peak Efficiency | 99% |
| Package | QFN-16 |
| Ordering Codes | MP2615B |
Features
- 4.5V to 18V Operating Input Voltage
- Up to 99% Duty Cycle Operation
- Up to 2A Programmable Charging Current
- ±0.75% Full Battery Voltage Accuracy
- 4.03V and 3.99V Selection for Full Battery Voltage
- Full Integrated Power Switches
- Internal Loop Compensation
- No External Reverse Blocking Diode Required
- Preconditioning for Fully Depleted Battery
- Charging Operation Indicator
Typical Application Circuit
Applications
- Smart Phones
- 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 MP2615B support?
4.5 V to 18 V. The rated output is 2 A.
Which package and ordering codes apply to the MP2615B?
QFN-16; order codes include MP2615B.
What are the defining features of the MP2615B?
4.5V to 18V Operating Input Voltage Up to 99% Duty Cycle Operation
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