5V 1A, low EMI, 94% efficiency DC/DC module reference design using double-layer TO-220 package

TI reference design TIDA-00946 demonstrates a 10.5mmx14.5mm, 94% efficient low electromagnetic interference (EMI) DC/DC module using the TPS54202, replacing low dropout regulators (LDOs) in most appliance applications. High efficiency eliminates the need for a heat sink, resulting in a smaller, lower cost solution. Higher current capacity enables the addition of more functionality (WiFi, sensors, etc.). High efficiency and low current consumption help achieve stringent energy efficiency ratings.

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5V 1A, low EMI, 94% efficiency DC/DC module reference design using single-layer TO-247 package

TI reference design TIDA-00948 demonstrates a 15mmx20mm, 94% efficient low electromagnetic interference (EMI) DC/DC module using the TPS54202, replacing low dropout regulators (LDOs) in most appliance applications. High efficiency eliminates the need for a heat sink, resulting in a smaller, lower cost solution. Higher current capacity enables the addition of more functionality (WiFi, sensors, etc.). High efficiency and low current consumption help achieve stringent energy efficiency ratings.

Schematic PCB

3.3V 1A, low EMI, 92% efficiency DC/DC module reference design in single-layer TO-247 package

TI reference design TIDA-00949 demonstrates a 15mmx20mm, 92% efficient low electromagnetic interference (EMI) DC/DC module using the TPS54202, replacing low dropout regulators (LDOs) in most appliance applications. High efficiency eliminates the need for a heat sink, resulting in a smaller, lower cost solution. Higher current capacity enables the addition of more functionality (WiFi, sensors, etc.). High efficiency and low current consumption help achieve stringent energy efficiency ratings.

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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).

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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.

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Accurate Monitoring and 50µA Standby Current, 13S, 48V Li-Ion Battery Pack Reference Design

This reference design is a low standby and transport mode current consumption, high SOC metering accuracy, 13S, 48V Li-ion battery pack design. It monitors each cell voltage, battery pack current and temperature with high precision and protects lithium-ion battery packs from overvoltage, undervoltage, overheating and overcurrent. SOC metrology based on the bq34z100-g1 utilizes an impedance tracking algorithm to achieve up to 2% accuracy at room temperature. Utilizing a carefully designed auxiliary power strategy and the efficient low quiescent current DC/DC converter LM5164, this design achieves 50µA standby power and 5µA transport mode power, thereby saving more energy and extending transport and idle times. In addition, the design supports working firmware, which helps reduce product development time.

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Wireless IoT, Bluetooth® Low Energy, 4½-Digit, 100kHz True RMS Digital Multimeter

Now, through the Internet of Things (IoT) environment, many products have become "at your fingertips", including test equipment such as digital multimeters (DMMs). The TIDA-01012 reference design, implemented on Texas Instruments' SimpleLink™ ultra-low-power wireless microcontroller (MCU) platform, demonstrates a 4.5-digit, 100kHz connected true RMS digital multimeter , featuring Bluetooth Low Energy connectivity, NFC Bluetooth pairing® and auto-wake up with TI's CapTIvate™ technology. 

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Battery tester reference design for high current applications

Li-Ion battery formation and electrical testing require accurate voltage and current control, usually to better than ±0.05% over the specified temperature range.  This reference design proposes a solution for high-current (up to 50 A) battery tester applications supporting input (bus) voltages from 8 V–16 V and output load (battery) voltages from 0V–5V. The design utilizes an integrated multi-phase bidirectional controller, LM5170, combined with a high precisiondata converters and instrumentation amplifiers to achieve charge and discharge accuracies of 0.01% full scale. To maximize battery capacity and minimize battery formation time, the design uses highly-accurate constant current (CC) and constant voltage (CV) calibration loops with a simplified interface. All key design theories are described guiding users through the part selection process and optimization. Finally, schematic, board layout, hardware testing, and results are also presented.

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Smart Damper Control Reference Design with Pressure, Humidity and Temperature Sensing

This reference design is built to enable multiple room comfort control in connected HVAC systems. Sensing temperature, humidity, and pressure allows independent monitoring and air-flow adjustment in each zone. This TI Design converts a constant air volume (CAV) into a variable air volume (VAV) system. Collected data can be transmitted wirelessly to the smart thermostat or gateway. Onboard sensors can be employed to allow predictive maintenance, shorten technical troubleshooting time, and reduce overall energy consumption. Long battery life allows the smart damper to run for many years without the need to spend time and money on battery replacement.

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100W dimmable DC/DC LED driver reference design supporting daylighting and wireless connectivity

TI reference design TIDA-01095 has been tested as a DC/DC LED driver subsystem for high-power, high-efficiency dimmable LED luminaires. The design is built on a wireless SoC platform and enables brightness adjustment via analog as well as PWM dimming and control using any Bluetooth Smart device or ZiBee. High-bay and low-bay LED lighting fixtures are set to replace fluorescent and HID lamps as they cut energy consumption in half and virtually eliminate maintenance costs. Harvesting daylight by combining dimming with an ambient light sensor can result in additional energy savings of up to 50%, depending on the application. TI Reference Design TIDA-01095 provides high-efficiency DC/DC conversion that supports dimming, daylight harvesting, and wireless networked lighting control.

Single layer 180° sinusoidal 24V/2A sensorless BLDC driver reference design for electrical appliances

This single-layer reference design for pedestal fans and other similar appliances features 2-inch diameter pads and an integrated controller that reduces component count. In addition, sensorless control eliminates the need for Hall sensors and provides multiple protection functions such as overcurrent protection, undervoltage lockout, and overheating protection, each of which improves the robustness of the design. This reference design is suitable for 8V-24V input voltage and is capable of delivering 3A (peak)/2A (rms) phase current.

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Proximity switch reference design using CapTIvate teaching button

This reference design demonstrates how to implement a capacitive touch button, commonly used as a setting button in a proximity switch, in an ultra-small 3.5mm wide PCB based on TI's CapTIvate™ technology. When combined with the highly integrated IO-Link PHY, flexible PNP or NPN outputs are possible. The SIO stage provides reverse polarity, ESD, EFT and surge protection, making the design compliant with IEC 61000-4 standards. Hall sensors with analog output signals enable flexible use by teaching the distance to magnetic objects via a capacitive teach button. This analog signal is captured by the MCU's integrated ADC.

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USB Type-C™ and Power Delivery MicroDock Reference Design for Video and Charging

The USB Type-C™ and Power Delivery (PD) MicroDock Evaluation Module (EVM) provides a complete USB Type-C dock reference solution including audio, USB data, power delivery and video. The EVM has a small 2-inch × 4-inch form factor and supports both sourcing and sinking power capabilities through the USB Type-C PD host port. Video output capabilities include DisplayPort and HDMI.

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8-Channel Isolated High-Voltage Analog Input Module Reference Design Using ISOW7841

The TIDA-01333 Isolated High Voltage Analog Input Module Reference Design has eight channels, each supporting voltage and current measurements. In addition, 4 of the channels support common-mode voltages up to ±160V. The device provides isolation of the +5V line and serial peripheral interface (SPI) communications within a single chip via the ISOW7841. The design uses the ADS8681, a 16-bit analog-to-digital converter (ADC) that can handle input voltages up to ±12.288V. This eliminates the need for any preprocessing of standard input voltages found in industry.

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CISPR 25 Category 5 7.5W rated power taillight reference design for automotive LED lighting systems

This TI Design details a solution for an automotive tail-light application. The design features the TPS92638-Q1 linear LED driver powered by a synchronous buck converter (LM53601-Q1) that is directly supplied from the automotive-battery voltage. This design helps pass CISPR 25 Class 5 conduct emission and radiated emission without an CMCC filter. The design also optimizes the solution efficiency.  

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EMC Compliant Automotive Daytime Running Lights and Position Lights Reference Design

This reference design details an automotive daytime running light (DRL) and position light solution. The TPS92830-Q1 linear LED controller used in this design is powered directly from the car battery, thus allowing you to use the same LED for both functions. This reference design also has good EMC performance and provides comprehensive protection and diagnostics.

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Automotive discrete SBC pre-boost, post-buck reference design using CAN

The TIDA-01429 reference design uses a wide input voltage boost controller followed by a wide input voltage buck converter set to 5.0V. A 5.0V supply is used to power the controller area network (CAN) transceiver, and a compact 3.3V fixed-voltage linear dropout (LDO) regulator is used to power the C2000 microcontroller. This design has been tested for CISPR 25 radiated emissions according to the anechoic chamber (ALSE) method, CISPR 25 conducted emissions using the voltage method, and Bulk Current Injection (BCI) resistance according to ISO 11452-4, all tested at CAN communication operates at a speed of 500KBPS. This is an Electromagnetic Compatibility (EMC) tested, 3-level power tree reference design using Controller Area Network (CAN) that can be used in a variety of automotive applications that require operation at input voltages as low as 3.5V. A system basis chip (SBC) is an integrated circuit (IC) that combines several typical building blocks of a system, including transceivers, linear regulators, and switching regulators. While these integrated devices can provide size and cost savings in many applications, integrated devices do not work well in every situation. For applications that are less suitable for using an SBC, a better approach is to build discrete implementations of the above building blocks to create a discrete SBC.

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Circular Microphone Board (CMB) Reference Design Based on PCM1864

The PCM1864 circular microphone board (CMB) is a low-cost easy-to-use reference design for applications that require clear-spoken audio, such as voice triggering and speech recognition. This TI Design uses a microphone array to capture a voice signal, and converts it to a digital stream that can be used by DSP systems to extract clear audio from noisy environments.

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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.

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Ultra-portable, low-power nHD display reference design for low-cost processors using TI DLP® technology

This display reference design is created for a variety of ultra-portable display applications in the consumer, wearables, industrial, medical and Internet of Things (IoT) markets. This design includes the DLP2000 chipset, which consists of the DLP2000 .2 nHD DMD, DLPC2607 display controller, and DLPA1000 PMIC/LED driver. This small form factor reference design works with production-ready optical engines and low-cost applications processors supporting 8/16/24-bit RGB parallel video interfaces.

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