20W Adjustable DC-DC Buck Converter with Digital Display Introduction
This is a 20W adjustable DC-DC buck converter module with digital display. It is based on LM2596 3A step-down voltage regulator and supports an input of 0~40V DC with an accuracy of ± 0.05V.
On a regular buck converter there is no display and you have to measure the output manually with a multimeter, which can be slow and inefficient. This buck converter has a display with th..
AA Boost Module V2 Introduction
The AA boost Module is DFrobot's exclusive product. One of its key features is solving the 5V battery power supply problem. As we all know, one AA battery is 1.5V , with two or three you still cannot get 5V. Now with this AA boost module, insert two dry batteries, flip the power switch, and you have a 5V output to power your circuit. Two AA batteries will be enough to rea..
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DC-DC Automatic Step Up-down Power Module (2.5~15V to 3.3V 600mA) Introduction
This power module contains the function of automatic buck-boost and integrates with the related circuit of buck-boost converter. Its mini body is very easy for embedding.
Input voltage range 2.5-15V, fixed output voltage 3.3V, the maximum load current is 0.6A and its quiescent current is as low as 200uA. In theory, the work frequency of the module can reach to 1.2MHz. Besides..
DC-DC Automatic Step Up-down Power Module (3~15V to 5V 600mA) Introduction
This power module contains the function of automatic buck-boost and integrates with the related circuit of buck-boost converter. Its size is just as same as a dime, which is very easy for embedding.
Input voltage range 3~15V, fixed output voltage 5V, the maximum load current is 0.6A and its quiescent current is as low as 200uA. In theory, the work frequency of the module can reac..
DC-DC Boost Module (0.9-5V) Introduction
This is a small DC - DC boost module that converts a 0.9 ~ 5v power source to standard 5V, making it capable of supplying power to an Arduino microcontroller and other small electronic devices that use a 5v input. It integrates a PFM DC-DC boost control chip. The maximum output current is up to 500 ~ 600 mA. There are two power input ports, PH2.0 and KF235-3.81-2P which ar..
DC-DC Buck-Mode Power Module (5.5~28V to 3.3V 3A) Introduction
This is a DC-DC buck-mode power module, with input voltage range 5.5~28V and fixed output voltage/current 3.3V/3A. Its work frequency can reach to 0.5MHz. The module has high conversion and tiny body, convenient to embed.
Besides, it has steady output voltage, which can work long time without voltage shift and is suitable for the occasion with high requirements. The product can wo..
DC-DC Buck-Mode Power Module (8~28V to 5V 3A) Introduction
This is a DC-DC buck-mode power module, with input voltage range 8V~28V and fixed output voltage/current 5V/3A. Its work frequency can reach to 0.5MHz. The module has high conversion rate and small size, easy to embed.
Besides, it has steady output voltage, which can work long time without voltage shift and is suitable for the occasions with high requirements. This product can wor..
DC-DC Power Module 25W Introduction
This Power Module is a small size 5A 350KHz 25V Buck DC to DC Converter. It can convert any DC voltage between 3.6V-25V to a selectable voltage from 3.3V to 25V.
You can choose 5V direct output voltage with the convenient on-board switch or adjust the output voltage by the blue & white resistor. Three different output interfaces for convenient and fast prototyping of ..
Gravity: I2C 3.7V Li Battery Fuel Gauge Introduction
3.7V lithium batteries are commonly used in many projects. However, the remaining power and voltage of the lithium battery are highly nonlinear. We can only roughly judge whether the battery is full or almost empty according to its voltage. The Gravity I2C 3.7V Lithium Battery Fuel Gauge employs Gravity I2C interface, ultra-low operating current, and real-time tracking of the relativ..
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Lithium Battery Charger Introduction
If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The Lithium Battery Charger can charge 3.7V LiPo battery at a rate of 500mA per hour. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will work with your battery.
The board incorporates a charging circuit, status LED, co..
MP2636 Power Booster & Charger Module Introduction
In many applications, we will use lithium batteries as our power solutions. In this kind of application, the most two important things are the power boost and battery charger. These two points are a prerequisite for the system. The traditional power boost and battery charge circuit are usually divided into two separate parts, the circuit will be relatively cumbersome to build.
Solar Power Manager (for 9V/12V/18V solar panel) Introduction
The DFRobot Solar Power Manager series are designed for IoT projects and renewable energy projects, providing safe and high-efficiency embedded solar power management modules for makers and application engineers.
Solar Power Manager is a complete small power and high-efficiency solar power management module. It features as MPPT (Maximum Power Point Tracking) function, maximizing t..
Solar Power Manager Micro (2V 160mA Solar Panel Included) Introduction
Solar Power Manager Micro is a micro power, high-efficiency solar power management module, designed for powering IoT based low-power wireless sensors or controllers with 1V~3V small size solar panels. Benefited from its extremely low power dissipation and MPPT (maximum power point tracking), the module is able to maximize the conversion efficiency of solar energy under weak sunlight...
USB Charger for 7.4V LiPo Battery Introduction
Still using a big, bulky, traditional power adapter to charge your lithium battery? DFRobot provides you with a compact and efficient 7.4V lithium battery USB charger, only the size and weight of an ordinary Gravity sensor. With just a mobile phone AC adapter (or power bank) and an Android data cable, you can safely and efficiently charge the 7.4V lithium battery up to 1A, which comm..
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Wireless Charging Module 5V/1A Introduction
Wireless charging modules uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device.
This is a new wireless charging module, which could provide 5V@1A (MAX 1.2A) power output. It is using ..
Wireless Charging Module 5V/300mA Introduction
Wireless charging uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device.
This is a new wireless charging module, which could provide 5V@300mA (MAX 600mA) power output. It is using the ..