MP2623
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Description
The MP2623 is a monolithic, DC-DC, step-down, switching charger for a 1-or-2-cell serial LiFePO4 battery. It has an integrated high-side power MOSFET that can output up to a 2A charge current. It also has peak-current–mode control for fast loop response and easy compensation. The MP2623 uses a sense resistor to control a programmable charge current, and accurately regulates the charge current and the charge voltage using two control loops. The MP2623 has multiple fault-condition protections that include cycle-by-cycle current limiting and thermal shutdown. Other safety features include battery temperature monitoring and protection, charge status indication and a programmable timer to halt charging after a set time period. The MP2623 requires a minimal number of readily-available external components. The MP2623 is available in a 4mm×4mm 16-pin QFN package.
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Features & Benefits
- Charges 1- and 2-Cell LiFePO4 Battery Packs
- Wide Operating-Input Range
- Programmable Charging Current of up to 2A
- ±0.75% VBATT Accuracy
- 0.2Ω Integrated Power MOSFET
- Up to 90% Efficiency
- Fixed 1.1MHz Frequency
- Preconditioning for Fully-Depleted Batteries
- Charging Status Indicator
- Input Supply Fault Indicator
- Thermal Shutdown
- Cycle-by-Cycle Over-Current Protection
- Battery Temperature Monitor and Protection

Active Part Numbers:
MP2623GR-P MP2623GR-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP2623 Resources
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ARTICLE
BATTERY CHARGER FUNDAMENTALSARTICLELi-ion battery charger ICs are devices that regulate battery charging current and voltage, and are commonly used for portable devices, such as cellphones, laptops, and tablets. Compared to other battery chemistries, Li-ion batteries have one of the highest energy densities, provide a higher voltage per cell, can tolerate higher currents, and do not have to be trickle charged when the battery is fu...
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VIDEO
MP2760 & MP2651: COMPACT BUCK-BOOST CHARGERS WITH INTEGRATED FETS FOR USB PD 3.0VIDEOThe MP2760 and MP2651 are 5V to 21V, 6A, integrated FET buck-boost chargers capable of supporting 1 to 4 cells in series. As the lowest RDS(ON) integrated FET buck-boost chargers on the market, offering excellent thermals for fast charging applications. They provide full dual-role USB PD 3.0 support, and their compact size saves space in a variety of multi-cell applications, including tablets, USB...
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VIDEO
MP2629: UNBOXING AND GETTING STARTEDVIDEOOur engineers walk you through unboxing and getting started with the evaluation kit for the MP2629, a buck charger IC with NVDC and an I2C interface. The EV2629-QC-00A evaluation board provides the ability to test and configure following features: 3.7V to 5.8V operating input voltage NVDC power path with 4.5A charge current Adjustable 4.8V to 5.5V output voltage Configurable charging paramet...
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ARTICLE
LITHIUM-ION BATTERY CHARGER IC BASED MAXIMUM POWER POINT TRACKING SYSTEMARTICLEIn an era characterized by the internet of things (IoT), more connectivity means more outdoor devices are now battery-powered and constantly communicating. In particular, an increasing number of outdoor devices are being powered through solar panels. The charger should be suitable for maximum power point tracking (MPPT) in outdoor designs with a solar panel. This article illustrates design tips fo...
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ARTICLE
HOW TO ACHIEVE FAST CHARGING WITH USB PD IN PORTABLE DEVICESARTICLEToday’s consumers want to conveniently and quickly charge their portable devices anywhere, whether they are in a business center or shopping mall, or waiting for a flight or train. However, there are many different types of charging adapters and connectors, which can make determining which charger or chargers to have on hand confusing for the end user. If the consumer has to carry multiple d...
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ARTICLE
HOW TO SELECT A LITHIUM-ION BATTERY CHARGE MANAGEMENT ICARTICLEJohn B. Goodenough, considered the father of lithium-ion (Li-ion) batteries, became the oldest Nobel Prize winner when he was awarded the Nobel Prize in Chemistry in 2019 for his pioneering work. Nowadays, Li-ion batteries are utilized in all aspects of life for most consumers since they make electronic devices lightweight and long-lasting. For example, most mobile phones rely on a Li-ion battery ...
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REFERENCE DESIGN
BATTERY CHARGER WITH MPPT REFERENCE DESIGNREFERENCE DESIGN -
ARTICLE
HIGHLY INTEGRATED BATTERY-CHARGING SOLUTION WITH INNOVATIVE POWER PATH MANAGEMENTARTICLETo achieve compact design for battery-powered devices, the battery is usually not removable and the capacity is limited by the space reserved for the battery. As a result, the operation time of the device is a major concern as devices are built with more and more power-consuming functions. To improve the portability of battery-powered devices, another auxiliary charging device with greater battery...
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ARTICLE
A CHARGER IC, N KINDS OF APPLICATIONSARTICLEThe MP2639A is a fully integrated and flexible battery charge management IC that can charge two cells in series from a 5V power supply. USB ports are widely used by portable devices due to their universal compatibility and reduced e-waste of in-box power supplies. Furthermore, with the increased proliferation of USB Type-C, it is now possible to draw up to 15W of power from a standard USB power su...
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VIDEO
SINGLE CELL SWITCH MODE BATTERY CHARGERVIDEOHighly-integrated switch-mode battery charger with system power path management and system boost designed for single-cell Li-ion or Li-Polymer batteries. Battery Management > MP2636
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