Active Part Numbers:
Meaning of P & Z
Power banks are an increasingly popular option for charging consumer electronics on the go. Because of the devices portable nature, power bank designs need to maintain a small overall size and be easy to use for end consumers. As fast charging is becoming a more widespread industry trend, power banks must offer the fastest safe charging possible with minimal thermal dissipation and the ability to ...
BATTERY CHARGER FUNDAMENTALS
Li-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...
MP2629: UNBOXING AND GETTING STARTED
Our 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...
LITHIUM-ION BATTERY CHARGER IC BASED MAXIMUM POWER POINT TRACKING SYSTEM
In 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...
HOW TO ACHIEVE FAST CHARGING WITH USB PD IN PORTABLE DEVICES
Today’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...
HOW TO SELECT A LITHIUM-ION BATTERY CHARGE MANAGEMENT IC
John 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 ...
BATTERY CHARGER WITH MPPT REFERENCE DESIGN
HIGHLY INTEGRATED BATTERY-CHARGING SOLUTION WITH INNOVATIVE POWER PATH MANAGEMENT
To 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...
SINGLE CELL SWITCH MODE BATTERY CHARGER
Highly-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
DEVELOPING A BATTERY MANAGEMENT SYSTEM SOLUTION FOR ESS
Reliable and affordable energy sources are required to power the economy and meet daily needs. Without these energy sources, economic growth and development stalls. Dependence on foreign sources for energy can also lead to vulnerability to geopolitical conflicts. With ongoing concerns regarding climate change, ensuring energy security has environmental implications as well, with efforts to increas...
USB TYPE-C CHARGING CONNECTORS: DESIGN, OPTIMIZATION, AND INTEROPERABILITY
In June 2022, the EU parliament approved a mandate that will require the next generation of portable devices to be compatible with USB Type-C charging connectors. Manufacturers have until fall 2024 to make their products compatible with USB Type-C cables by adding a USB Type-C connector. Affected industries include mobile phones, digital cameras, handheld video game consoles, portable speakers, ke...
ELEVATING HIGH-DENSITY ADAPTER DESIGNS WITH INTEGRATED CAPACITIVE ISOLATION
The demand for fast charging has driven the unprecedented evolution of high-density adapters. In practical adapter designs, there are countless implementations of new switching power devices, topologies, and control schemes. With the introduction of these cutting-edge technologies, the power density of adapter products has significantly increased. 1W/cm3 is becoming the common density for high-de...
ISOLATED GATE DRIVERS USE CASE: PORTABLE POWER STATIONS
In this use case, we’ll consider the application of isolated gate drivers in portable power stations. The isolated gate driver enables the charging module and inverter to be combined, which helps shrink the size of these portable power stations. Portable power stations are becoming more and more common as lithium batteries continue to get cheaper and cheaper. For years, people have been using ...
MP2760 & MP2651: COMPACT BUCK-BOOST CHARGERS WITH INTEGRATED FETS FOR USB PD 3.0
The 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...
A NOVEL FUEL GAUGE SOLUTION FOR HIGH-VOLTAGE BATTERY PACKS
The increasing adoption of lithium-ion batteries is boosting growth in e-mobility, medical, and robotics markets. Moreover, current application requirements are driving the adoption of larger battery packs with an extended range, longer life, and superior power capabilities. To guarantee excellent performance, it is vital to address the challenge of estimating a battery’s internal state in ...
HIGH-POWER MPS SOLUTION FOR 3KW AC/DC PFC TOTEM-POLE SOLUTION
See how MPS high-power solutions, including drivers and the digital controller for a totem-pole PFC design, apply to an AC power supply.
Multi-Terrain EV showcasing MPS fully-integrated battery management system solution: compact PCB, 8s/16s battery packs, accurate monitoring, high power, long runtime. Battery Management Solutions
A CHARGER IC, N KINDS OF APPLICATIONS
The 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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