• Three-Phase Inverter Reference Design with Optical Analog Input Gate Driver for 200-480VAC Driver

    This reference design implements a reinforced isolated three-phase inverter subsystem using isolated IGBT gate drivers and isolated current/voltage sensors. The UCC23513 gate driver used is available in a 6-pin wide body package and LED light analog input, and can be used as a pin-for-pin replacement for existing optically isolated gate drivers. This design shows that the UCC23513 input stage can be driven using all existing configurations for driving optoisolated gate drivers. In-phase shunt resistor based motor current sensing is implemented using the AMC1300B isolated amplifier and DC link voltage, and IGBT module temperature sensing is implemented using the AMC1311 isolated amplifier. This design uses the C2000™ LaunchPad™ to control the inverter.

    Schematic PCB

  • Automotive power supply reference design for low-power TDA3x-based systems

    This solution is designed to create a size-optimized integrated power design for ADAS applications using the TDA3x SoC (no automotive battery input required). By targeting only applications that require lower processing performance, we can select smaller devices and components than systems with higher performance processors.

    Schematic PCB

  • Reference design for automotive USB charger with line drop compensation

    The design converts an 8V-42V DC input into a 5.1V output and is protected by the TPS2546-Q1 programmable current protection switch. Its handshake protocol enables fast charging of smartphones/tablets/handheld devices. By detecting the load current and adjusting the DC/DC output voltage, this design can implement linear USB cable differential compensation function to keep the USB port voltage within a limited range. This design is suitable for devices such as vehicle-mounted hosts and remote USB hubs.

    Schematic PCB

  • People Counting and Tracking Reference Design Using Sub-1GHz Millimeter Wave Radar Sensors

    This reference design demonstrates how to use the IWR6843, a single-chip millimeter wave radar sensor from TI with an integrated DSP, to implement indoor and outdoor people counting applications while enabling sub-1GHz wireless communications. This reference design uses the MMWAVEICBOOST and IWR6843ISK evaluation modules (EVMs) and the LAUNCHXL-CC1352R1 wireless MCU LaunchPadTM. The solution is capable of locating people at distances up to 6 meters (close configuration) and 14 meters (long range configuration).

    Schematic PCB

  • Engineer safety black box

    As China's title of "Infrastructure Maniac" becomes widely known, more and more workers are engaged in dangerous jobs, such as high altitude, underground, tunnels, and engineering vehicles. In order to ensure the safety of these construction workers and ensure timely rescue in the event of an accident, I designed this safety black box for engineering personnel. This equipment can collect the heart rate of construction workers, the temperature and humidity of the surrounding environment, identify the state of movement, and determine whether a fall or collision accident has occurred. It is transmitted to the remote monitoring center through the network. Once the monitoring personnel find an abnormality, they can immediately organize rescue.

  • 14-Channel Active Cell Balancing Battery Management Reference Design

    Active Balance chipset used in large lithium-ion batteries provides monitoring, balancing and communication functions. With precise and reliable active balancing, Active Balance BMS enables bidirectional power transfer within each cell. Each EM1401EVM can manage 6 to 14 cells (up to 60V) in Li-ion battery applications. EM1401EVM modules can be stacked up to 1300V. The system provides fast cell balancing, diagnostic functions and modules for controller communication. An independent protection circuit is also provided.

    Schematic PCB

  • CN0185

    New Analog/Analog Isolator Using Isolated Σ-Δ Modulator, Isolated DC/DC Converter and Active Filter

    Schematic PCB

  • Human Machine Interface (HMI) Reference Design for EV Charging Infrastructure

    This processor-based reference design helps speed time to market and helps customers design cost-effective human-machine interface (HMI) solutions for electric vehicle (EV) charging infrastructure or EV power supply equipment (EVSE). This reference design demonstrates the two-dimensional (2D) Qt graphical user interface (GUI) common to EVSE HMI, as well as TI processor capabilities for software-rendered graphics. The AM335x processors provide scalability and a variety of processing speeds and compatible software to meet the needs of low-end to high-end applications. They also provide ample connectivity, including key peripherals required for EVSE HMI such as universal asynchronous receiver/transmitter (UART) and CAN).

    Schematic PCB

  • Remote voice control reference design

    The SimpleLink™ Multi-Standard CC2650 Remote Control Reference Design is an all-in-one solution for the development of voice-based Bluetooth® Low Energy, ZigBee® RF4CE™ or multi-standard remote control. This reference design shows the recommended decoupling and RF layout for optimal RF performance. This design uses discrete components for the balun and filter, as well as an inverted F-shaped PCB antenna to provide good performance at low cost.

    Schematic PCB

  • PF8100/PF8200 Customer Evaluation Board

    The KITPF8100FRDMEVM and KITPF8200FRDMEVM are customer evaluation boards using the PF8100 and PF8200 power management ICs.

    Schematic PCB

  • MAXREFDES1033: 3A/3.3V and 3A/5V, single-phase, dual-output, synchronous, step-down DC-DC converter

    The MAX17509 integrates two 3A internal switch step-down regulators with programmable features. The device can be configured as two single-phase, independent, 3A power supplies or as one dual-phase, single-output 6A power supply. It operates from a 4.5V to 16V input and generates independently adjustable output voltage in the ranges of 0.904V to 3.782V and 4.756V to 5.048V, with ±2% system accuracy. This device provides maximum flexibility to the end user by allowing one to choose multiple programmable options by connecting resistors to the configuration pins.

  • Temperature-based heating system designed for automotive engine preheaters

    This reference design describes how to design hardware for a temperature-based heating system for a vehicle that has an engine preheater installed, based on ambient temperature and a preordained engine start time. This system can also be used for other purposes, such as turning on a storage heater if the ambient temperature falls below a preordained value.

  • Low-voltage, low-noise power supply reference design for ultrasound front-ends

    This reference design is a power supply optimized specifically for powering eight 16-channel receive AFE ICs in ultrasound imaging systems. This design uses a single-chip DC/DC converter + LDO combo regulator to set each LDO input just above the dropout voltage while fully utilizing the LDO PSRR, thereby reducing parts count while maximizing efficiency. In addition, ultra-low noise LDOs help achieve the highest possible analog-to-digital conversion resolution, resulting in higher image quality. The design's ability to synchronize the switching frequency with the master clock frequency and the system clock frequency allows system designers to apply simple filtering techniques to eliminate power switching noise on ground loops or use spread spectrum clocking to reduce EMI. Additionally, the design implements an electronic fuse device, providing a simple and flexible method of overcurrent protection.

    Schematic PCB

  • ASL5115EVBMST: MLC ASL5115SHN Evaluation/Development Board

    The ASL5115EVBMST is the main evaluation board for NXP's Matrix LED Controller (MLC) ASL5115SHN, which enables evaluation of external lighting systems.

  • Display of cool effects of 448 digital tubes simulating water flow

    Kinetic Digits is a mechanical flipping digital display, consisting of 448 7-segment digital tubes, simulating the effect of water flow. For various effects, it can be produced with the help of the provided host computer.

    Schematic PCB

  • CN0235

    Fully isolated lithium-ion battery monitoring and protection system

    Schematic PCB

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