Portable Power Tools
Portable Power Tools Content
Our highly efficient motor drivers,position sensors, controllers, rectifiers, chargers, load switches, converters, and LED drivers help save space and simplify the design process. They are flexible enough to meet the evolving demands of the market, and help seamlessly integrate new features into efficient, high performance designs. Thermal protection and other protection features ensure that the design keeps both the tool and the end consumer safe during use.
MPS’s portfolio of power solutions offer the best possible compact solutions at the lowest cost for a wide variety of portable power tool designs.
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USING CURRENT REGULATION IN DC MOTOR DRIVERS
When starting a DC motor, large currents can be required that place a burden on the motor driver and power supply. This article will discuss using the current regulation function integrated into many motor driver ICs, while using examples from Monolithic Power Systems (MPS) to address high-current conditions. In many cases, using current regulation can allow designers to use a smaller motor drive...
MPF42790 BATTERY MANAGEMENT FUEL GAUGE SOLUTION
Providing battery pack or cell state-of-charge (SoC) information is key for good performance and customer satisfaction. However, the fact it cannot be directly measured presents challenges for engineers. The MPF42790 fuel gauge IC combines accurate readings and application-specific settings, including auto-learning capabilities, to provide accurate estimations of a batterys most important paramete...
MP2759 REFERENCE DESIGN - AN IMPLEMENTATION TO ADJUST ICC WITH A DIGITAL PWM SIGNAL
MP2659 REFERENCE DESIGN: 12V LEAD-ACID BATTERY CHARGING SOLUTION
MAGALPHA POSITION SENSOR USE CASE: POWER DRILL
In this use case, well consider the application of MagAlpha Angle Sensors for BLDC power tools. Using MPSs precision angle solution, all three Hall cells are replaced with a single MA102 Power tools are increasingly using brushless DC motors for efficiency and reliability. Traditionally, these motors have been commutated by placing three discrete Hall cells near the rotor magnet, but this requ...
HIGH-PERFORMANCE ANGLE, POSITION, AND CURRENT SENSING
Overview of MPS position sensors and current sensors.
USING MAGALPHA ROTARY MAGNETIC SENSORS IN SIDE SHAFT MODE
The previous article discussed types of magnet and their uses with MPS MagAlpha sensors in “end of shaft” mode. This article will explore the “side shaft“ mode topology. MPS MagAlpha sensors utilize an array of Hall elements in the center of the IC that sense the horizontal vector of the field from the rotating magnet. This field typically comes from a simple two-pole, diam...
CHOOSING THE RIGHT MAGNET FOR MAGALPHA SENSORS
The MPS MagAlpha family offers rotary Hall effect magnetic sensors that sense the position of a magnet as it rotates above or at the side of the sensor. Exact magnet sizes, shapes, and materials should be selected depending on application requirements and target costs. This article discusses tradeoffs, and how to choose the best magnet for an application. MPS MagAlpha sensors utilize an array o...
HIGH-PERFORMANCE BRUSHLESS DC MOTOR
Integrating an MMC module into a brushless DC (BLDC) motor provides for more accurate positioning and speed control. This video shows how BLDC motors can perform better than stepper motors or servo motors with MPS's Smart Motor Module Evaluation Kits.
MCAR ANGLE SENSORS
The mCar is a demonstration and marketing platform for MPS hardware. It integrates MPS power and motion control components in a real, large scale system that allows MPS teams to implement and test hardware and software on a challenging application. mCar was fully developed and fabricated in-house at MPS. Learn more about themCaror visit ourautomotivecomponentspage. MA704 10-bit, High Bandwith, ...
ENERGY RECYCLING IN DC MOTOR DRIVES
When decelerating a moving mass in a permanent magnet motor drive, energy stored in the mechanical system may be returned through the motor driver to the power source. If this energy is not properly accounted for, it can cause damage to the motor driver or the rest of the system by causing an increase in the power supply voltage. In this article, we will look at ways to dissipate this energy safe...
MP6530 3-PHASE BRUSHLESS DC MOTOR PRE-DRIVER
The MP6530 is a motor driver IC designed for driving 3-phase brushless DC motors. It’s capable of driving 3 half bridges consisting of six N-channel MOSFETs. BLDC Pre Drivers and Integrated Solutions
GAMING CONTROLLERS & PERIPHERALS
Gaming controllers and peripherals are expected to have fast, accurate controls, reliable haptic feedback, and a long battery life. The nature of these devices means they must also be lightweight, comfortable to hold, and fairly durable. Connectivity options include RF signals, WiFi, Bluetooth, and near field control (NFC), and many controllers and peripherals integrate more than one of these. Oth...
AIR PURIFIERS & HUMIDIFIERS
Air purifiers and humidifiers must be able to reliably improve air quality for end users. The best designs also offer improved energy efficiency, convenience, and low noise. As more and more appliances are expected to be smart-home ready, consumers are demanding new features such as wireless connectivity for ease of control. To meet and exceed customer expectations, designers are challenged with f...
OPTICAL NETWORK TERMINAL (ONT) UNITS
An optical network terminal (ONT) unit is a device that connects fiber optics cables to other wiring such as Ethernet and phone lines by converting the signal from optical to electrical and vice versa. Though they draw power from an electrical source, these devices also often have battery backup options in case of a power outage. It is typically part of a larger GPON (gigabyte passive optical netw...
NETWORK-ATTACHED STORAGE (NAS)
Network-attached storage (NAS) is a data storage option that is quickly growing in popularity. A NAS system is a centralized storage server that is connected to a network and able to be accessed by any authorized user within the network. These systems provide convenience and flexibility by being able to be physically stored and maintained on-site, as well as the ability to have their storage scale...
Ovens are a key household appliance, and one which consumers expect to be reliable, effective, convenient, and energy efficient. The rise of smart homes has added a new layer of design requirements to new generations of ovens, including durable and intuitive user interfaces, wireless connectivity, smart sensing, and predictive maintenance. IoT capabilities can help keep up with growing consumer ex...
Portable printers are incorporating more features into a small, lightweight packages. New designs are expected to include easier wireless connectivity, support for multiple input types, easy-to-use interfaces, and longer battery runtime. These printers must be able to quickly print high-quality renditions of documents or photos, as well as keep up with energy-saving trends that have increased the ...
SMALL CELL BASE STATIONS
Small cell base stations are more useful than ever with the ubiquity of smartphones, rising data usage, and the advent of 5G. However, small cell base station designs must meet these demands as well as weight and volume restrictions, without sacrificing performance or significantly increasing power consumption. Todays wireless market demands reliability and flexibility wherever possible, so new pr...
E-scooters have quickly risen in popularity in metropolitan areas and quickly growing cities. Lightweight, eco-friendly, and convenient, these e-scooters are two-wheeled battery-operated vehicles that integrate an electric motor and a controller that assists with increased propulsion. Of course, safety, performance, and cost are the greatest concerns for customers in any vehicle. In addition, new ...
USB WALL POWER OUTLETS
USB wall power outlets are becoming an increasingly common feature in smart homes and buildings. Being able to directly plug USB charging cables into wall outlets provides consumers with convenience and the ability to charge and power devices quickly. However, because this is a more direct form of power delivery, it is even more crucial that the power supply be reliable and safe, with the best pos...
E-BIKE CHARGER REFERENCE DESIGN
The MPSB005 is an evaluation board for Lithium-ion chargers typically used in the e-Mobility applications. It also can be used as general Power Supply Unit with minimum changes. The solution is based on a PFC+LLC combo solution from a single integrated circuit with digital control (PFC). This solution offers an excellent relation performance-cost-space by avoiding the use of low frequency filters....
Smart speakers are a growing market as end consumers expect more connectivity than ever in their day-to-day environments, and increasingly feature-rich devices available. Of course, any new speaker is expected to maintain exceptional audio quality, low standby power for extended playtime, and offer complete ease-of-use to the consumer. Smart speakers also integrate new features like voice command,...
Electrocardiogram (ECG, or EKG) devices measure heart rate based on electrical activity. This key piece of medical equipment is used in home, first responder, and clinical settings. New ECG designs are incorporating additional features such as wireless connectivity and innovative user interfaces. These devices are under a constant need to deliver highly accurate, reliable performance with reduced ...
THREE-PHASE SMART POWER METERS
Three-phase smart power meters area critical component of smart homes and the growing consumer focus on energy efficiency. Three-phase meters use a three-wire system (sometimes four), and can better accommodate higher loads compared to single-phase meters. Three-phase power meters are also more efficient and deliver power at a steadier, more consistent rate. They are typically used for commercial ...
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