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MP26123DR-LF-P
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Product Detailed Parameters
- Description：IC BATT CHG LI-ION 2-3CELL 16QFN
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Battery Chemistry：Lithium Ion
- Voltage - Supply (Max)：24V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-VQFN Exposed Pad
- Supplier Device Package：16-QFN (4x4)
- Number of Cells：2 ~ 3
- Current - Charging：Constant - Programmable
- Programmable Features：Timer
- Fault Protection：Over Current, Over Temperature
- Charge Current - Max：2A
- Battery Pack Voltage：12.6V
- Interface：-
- Grade：-
- Qualification：-
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Overview
The MP26123DR-LF-P is a monolithic DC-DC step-down switching charger IC designed for 2-cell or 3-cell lithium-ion battery packs. It integrates an upper power MOSFET and supports a maximum charging current of 2A with a wide input voltage range from 9V to 24V. The device utilizes peak current mode control for fast loop response and offers high efficiency up to 90% at a fixed 600kHz frequency. It features ±0.75% VBATT accuracy, programmable charge termination timers, and comprehensive protection mechanisms including over-temperature shutdown and cycle-by-cycle current limiting.
Feature Summary
- Integrates an upper-side power MOSFET to minimize external component count
- Supports full depletion battery preconditioning and precise charge regulation
- Includes battery temperature monitoring and status indication functions
Applications
- Portable devices powered by 2-cell or 3-cell lithium-ion battery packs
- Consumer electronics requiring compact switching charger solutions
- Industrial equipment utilizing multi-cell battery management systems
Procurement Notes
Verify the specific suffix 'P' indicates tape-and-reel packaging when ordering. Confirm RoHS compliance and lead times directly with authorized distributors. Ensure the application circuit matches the 9V to 24V input requirement and 2A output capability. Cross-reference the QFN-16 package dimensions for PCB layout compatibility.
Selection Notes
Select this component for applications requiring high efficiency and minimal external parts in a small footprint. It is suitable where input voltages vary between 9V and 24V. Consider the integrated MOSFET for cost-sensitive designs. Verify thermal performance requirements given the 2A output capability in a QFN-16 package.
Part Context
This part belongs to the MP26123 series of switching chargers from Monolithic Power Systems. It is functionally similar to the MP26123DR-LF-Z but differs in packaging format. The series targets portable electronics needing reliable charging for multi-cell lithium-ion configurations with integrated power stages.
Replacement Considerations
The MP26123DR-LF-Z is a direct functional equivalent within the same series. Verify that the packaging difference does not impact assembly processes. Other MPS models like the MP26101 offer different cell counts and should be evaluated based on specific battery configuration needs.
