Zhihuijun open source super mini smart NFC card (schematic diagram, PCB, source code, etc.)

With electronic ink screen, can simulate various IC cards

Schematic PCB

ST25TA and ST25TV series NFC tags

The ST25-TAG-BAG-UB is a ready-to-use tag set, containing tags based on NFC Forum Type 5 tag ICs (ST25TV02K and ST25TV02KC) or on NFC Forum Type 4 tag ICs (ST25TA02KB and ST25TA64K).

High Performance Op Amp Sample Kit

The KITOPAMP1120 provides a selection of operational amplifiers and comparators useful for evaluation and to promote the product family.

OM23221ARD: NTAG ^I2C + Kit for ^Arduino® Pinout

NTAG I ² C + Explorer Kit with NFC Reader

Schematic PCB

NTAG I²C plus Flex Kit containing additional flex antennas

Schematic PCB

NHS3152THADADK: NHS3152 Treatment Adherence Starter Kit

NHS3152TEMOADK: NHS3152 General Starter Kit

NHS3100TEMOADK: NHS3100 starter kit for temperature monitoring

NHS3100THADADK: NHS3100 Starter Kit for Treatment Adherence

NHS3100UCODEADK: NHS3100 - UCODE-I ² C

NFC-CUBE: NFC Cube Kit

OM29263ADK: NFC Antenna Development Kit

Schematic PCB

OM27462CDKP: NFC Controller development kit

Three different buck converter circuit reference designs for converting 12V to 1.2V (load current greater than 6A)

The PMP11438 is a tool used to compare three different power solutions for converting a 12V bus to 1.2V (6-10A). The 1.2V output voltage is suitable for DDR4 memory applications. Each solution offers advantages in full-load efficiency, light-load efficiency, density, height, transient response, or some combination thereof.

Schematic PCB

Variable Output 2-Cell 200W Heater Element Power Stage Buck/Boost Reference Design

PMP20327 is a synchronous 4-switch buck/boost converter using the LM5175 controller and can be used as a reference design for heater element power stages in applications such as e-cigarettes. Output voltages from 1V to 10V can be selected over a current range of 20A to 45A by using a trim resistor on the FB pin with a bias voltage of 0.2V to 3.1V. This design also uses the non-synchronous boost regulator LMR62014 to provide the bias voltage for the LM5175 operating in low input voltage mode. The current mode controller has built-in LM5175 pulse-by-pulse current limiting function. This board includes enable, sync, and power-good functions. The design supports resistive heating elements with resistances ranging from 0.1Ω to 0.5Ω, thus supporting a variety of 200W operating conditions.

Schematic PCB

Ultra-low standby power less than 90mW auxiliary AC/DC power supply reference design

The PMP21251 reference design uses the UCC28056 CRM/DCM PFC controller, UCC256304 enhanced LLC controller and integrated driver to provide a 12V/10.8A output (continuous current, 14.4A peak current) from a universal AC input. This design achieves peak efficiency of 92.4% at 115VAC input and 94.0% at 230VAC input. Efficiency and power factor also meet 115V and 230V internal 80 PLUS Gold specifications and DoE Level VI requirements. Additionally, without turning off the PFC, the design can achieve power consumption as low as 89mW at an input supply voltage of 230VAC. 

Schematic PCB

Output Short-Circuit Protection Reference Design for TPS61088 Boost Converter

This reference design provides an output short-circuit protection solution for the TPS61088 boost converter. This function is implemented through the overcurrent protection (OCP) circuit. When the output is shorted to ground or the load current is higher than a certain value, the OCP circuit will disconnect the TPS61088 from the corresponding load. This solution only requires an additional low-cost comparator, a sensing resistor and a small N-MOSFET. By adding this small amount of circuitry, the TPS61088 is protected from output short circuit and overload conditions.

Schematic PCB

Accurate point cloud generation using DLP technology for 3D machine vision applications

The 3D machine vision reference design uses Texas Instruments' DLP software development kit (SDK), allowing developers to easily build by integrating TI's digital micromirror device (DMD) technology with cameras, sensors, motors and other peripherals 3D point cloud. Highly differentiated 3D machine vision systems leverage the DLP® LightCrafter™ 4500 Evaluation Module (EVM) powered by the DLP® 0.45-inch WXGA chipset to provide the flexibility to control high-resolution, accurate graphics for industrial, medical and security applications.

Schematic PCB

Reinforced Isolated Three-Phase Inverter Reference Design with Current, Voltage and Temperature Protection

This design provides a reference solution for a three-phase inverter rated up to 10kW, designed using the reinforced isolated gate driver UCC21530, reinforced isolated amplifiers AMC1301 and AMC1311, and MCU TMS320F28027. Lower system cost can be achieved by using the AMC1301 with the MCU's internal ADC to measure the motor current and using a bootstrap supply for the IGBT gate driver. The inverter is designed with protection against overload, short circuit, ground fault, DC bus under/overvoltage and IGBT module overtemperature.

Schematic PCB