40 W Printer Power Supply

This design is a 40W printer power supply from On-Semiconductor. The design is based on the NCP1351, a variable off time PWM controller device. This targets low power off-line flyback Switched Mode Power Supplies (SMPS) where cost is of utmost importance.Read more

4.5V to 36V Full-Bridge DC Motor Driver

This design features a simplified design such as charge-pump-less architecture, current regulation that only requires a sense resistor, internal/external VREF for current regulation, and fast/slow/25% ripple current regulation modes. This reference design is very useful in motor control applications. It is also ideal in industrial automation, printers, scanners, vending machines, and gaming machines.

/center>

STWBC Wireless Battery Charger Transmitter

Wireless charging is the process of transferring power from transmitter to the receiver end without any physical connection. This method of charging electronic devices contributes to ease in charging and even convenience to user. The reference design being shown is the STEVAL-ISB027V1, a 5-watt Qi A11 wireless charger transmitter eval-board from STMicroelectronics based from the STWBC, a wireless battery transmitter. Read more


/center>

Single Cell Li-Ion/Li-Po Battery Charger

The design is a a charging circuit for lithium-ion and lithium-polymer batteries. It is a low cost design that can charge batteries of equipments like portable, medical, and industrial devices. Read more

/center>

IR Remote Control Jammer

This infrared jammer is designed to interrupt infrared signals that can be used as a security system for such devices which works by corrupting the data being sent by normal remote controls. The microcontroller in this design allows six of the main IR frequencies to be targeted. Read more

BQ51013BEVM-764 Wireless Power Receiver IC Evaluation Module

Wireless power transfer has been widely growing today in different applications that we see around. This technology can be highly seen on electronic devices such as our smartphones that are compatible and comes with wireless chargers. The design is a wireless power receiver evaluation kit from Texas Instruments that demonstrates the receiver portion of the bqTESLA wireless power system. Read more

Ultra-low-power Energy Harvester and Battery Charger

The electronic gadgets are the most popular devices that are being used by everyone today, and how it is quickly drained up is the most common problem. The circuit as shown in the reference design is the STEVAL-ISV09V1, which is an evaluation board for SPV1050. The SPV1050 is a transformerless thermoelectric generators and PV modules energy harvester, comes with high efficiency for any harvesting source and has a maximum of 70mA maximum battery charging current. It also allows to charge any type of battery which includes thin film batteries which need proper monitoring provision of the length of charging and voltage level of batteries to ensure that battery life is preserve.Read more

PMSM/BLDC motor controller

This circuit is a 3-phase motor controller for Permanent Magnet Synchronous Motor (PMSM) or Brushless DC (BLDC) motors. The circuit highlights the TMCC160 servo controller. It is a ready to use PMSM/BLDC motor controller in a miniaturized system in a package. It integrates a powerful-programmed microcontroller with efficient state of the art commutation algorithm, gate driver, different interface options as well as a step down converter, which generates the digital power supply, measurement and diagnostic features.Read more

Low Cost 5V/1A Wireless Power Transmitter

This reference design can be used in WPC compliant wireless chargers for smartphones or wearables. It can be also used in automotive, industrial, and medical applications. The benefit of wireless or inductive charging is that, it is more convenient since cables are not needed. Also, there is less wear and tear on the socket of the device since the there is no need to constantly plug and unplug the device. One of the disadvantages is that, it takes longer time to charge due to efficiency issues. Read more

Temperature to Digital converter

The reference design being shown is a simple temperature sensing circuit that uses LM35 as the sensing component and the ADC0804, which is the main component that digitalized the analog input. The ADC0804 is a CMOS 8-bit analog-to-digital converter that uses a differential potentiometric ladder. In this design, LM158 which is a two independent, high gain and internally frequency compensated general-purpose op-amp is used to be the one sending the reference voltage to the ADC0804. Read more