0.48 W non-isolated power supply with lossless generation of AC zero-crossing signal using LinkSwitch-TNZ (LNK3302D)
High Effi ciency Inkjet Power Supply Provides up to 80 Watts of Peak Power
This reference design demonstrates an ultra-low power capacitive touch panel solution powered by a single MSP430™ microcontroller (MCU) with CapTIvate™ technology. The use of self- and mutual-capacitance technology enables multifunctional capacitive touch panels (buttons and proximity sensors) to be used in electronic locks and other applications with various human-machine interfaces. This TI reference design also shows how to extend battery life by cyclically running the MSP430 CPU and switch between low-power and run modes.
The TIDA-00195 reference design includes a 22kW power stage and TI's new reinforced isolated IGBT gate driver ISO5852S for motor control in a variety of applications. This design enables the performance evaluation of the ISO5852S in a three-phase inverter integrating an IGBT module with a rated voltage of 1200V and a rated current range of 50A-200A. Some of the important features and performances evaluated include short-circuit protection using DESAT detection, soft shutdown, effectiveness of active Miller clamping at different inverter dv/dt, and IGBT gate driver derived from adjustable speed electrical System-level ESD/EFT performance of electric drive systems (IEC61800-3). Piccolo Launch Pad LAUNCHXL-F28027 is used to generate the PWM signals required for inverter control.
Integrated device power supply (DPS) for automatic test equipment with output voltage range 0 V to 25 V
This "RF Layout Reference Design" demonstrates excellent decoupling and layout techniques for low power RF devices in the 169 MHz band.
The FRDMFS6523CAEVM evaluation module demonstrates the capabilities of the MC33FS6523, supporting CANFD & FS1B, Vcore SMPS regulators up to 1.5A.
72 W ultra-compact charger/adapter for appliances and industrial applications
The TIDA00255 reference design utilizes the bq76940 analog front end (AFE) IC. It can measure battery voltage, mold temperature or external thermistor voltage using a 14-bit ADC. Current is measured individually by a separate 16-bit coulomb counter. The design turns off the low-side power FET to stop discharging or charging based on selected hardware limits. A microcontroller not included in this design will be part of the battery controller to communicate with the AFE to set protection thresholds, enable the power FETs, provide fault recovery, and shut down the FETs during over/under temperature conditions. Battery controller designs may include additional features that are not part of this reference design, such as secondary overvoltage protection, measurement, and isolated communications to inform the system of battery status.
45 W USB PD 3.0 Power Supply with 3.3 V – 11 V / 5 A (45 W Power-limited) PPS Output Using InnoSwitch3-PD PowiGaN (INN3879C-H803)
TIDA-00709 is a 36W dual-output auxiliary power supply with universal DC input, targeting server and telecom power supplies. This reference design uses the UCC28740 constant voltage/constant current (CV-CC) flyback controller to implement a quasi-resonant (QR) flyback converter with optocoupled feedback for voltage and primary-side regulation for current ( PSR). To improve efficiency, the TIDA-00709 uses a synchronous rectifier with a synchronous controller UCC24636 and a low RDS(on) MOSFET to achieve a 12V_ISO/2.75A main output. This design is small and economical and has almost all necessary built-in protection mechanisms, such as protection against output overvoltage and short circuits. Additionally, the design features built-in electronic fuses for fault isolation on the 12V main output voltage rail without affecting any other outputs.
2.5 W Non-Isolated Power Supply with Lossless Generation of AC Zero-Crossing Signal using LinkSwitch-TNZ
The unique inductive sensing capabilities of the LDC1314 are used to implement a contactless rotational position sensing solution accurate to 1 degree. It uses standard PCB technology and simply manufactured components to achieve a low-cost solution.
This article describes a vacuum fluorescent display (VFD) and some ideal applications for the technology. The reference design then shows how to use a MAX15005 power-supply controller in a flyback topology to obtain multiple output voltages for a vacuum fluorescent display.
Refrigerators often use dampers to control airflow and fans to provide air circulation. Discrete solutions have been used for years, but this TI design uses an integrated motor driver to provide easy control, high performance and complete protection. The DRV8848 drives the stepper motor damper, while the DRV10983 drives the BLDC fan with quiet 180° commutation. The BLDC even has closed-loop speed control when using the MSP430G2553 and the DRV8812 for PWM-based power supplies. The entire solution uses a single layer PCB. BLDC and stepper control example code is included in the MCU firmware. Overcurrent, overtemperature and undervoltage protection mechanisms are integrated in the DRV device.