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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Automotive Linear LED Driver Reference Design for Center High Mount Stop Light (CHMSL)

This reference design details a highly integrated solution for driving CHMSL (including brake and reverse light) LEDs. Each light is capable of operating independently by feeding power to its supply line. The design uses three automotive-qualified linear LED drivers (TPS92610-Q1) to achieve a low BOM count but feature-rich solution. The design also includes protection features to protect against load dump conditions and reverse battery conditions while maintaining a small solution size.

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Capacitive Touch User Interface Reference Design with Proximity Sensing and LED Animation

The TIDA-01559 is a Human Machine Interface (HMI) reference design that uses the MSP430FR2522 MCU and LP5569 device, and can achieve extremely low standby power consumption and offload the resources of the MCU with LED engine control. This solution can be used anywhere a low-power consuming HMI with good EMI performance and moisture immunity is required.  Examples are a kitchen exhaust hood, cooker top, and refrigerator.

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Automotive-grade 77GHz radar module reference design with target data output

The TIDA-01570 reference design is a complete solution for 76 to 81GHz radar sensor modules. The onboard power supply converts the vehicle battery input to the power rails required by the radar AFE, processor and CAN-FD transceiver. After processing, the target data is made available via the included CAN-FD physical layer.

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Automotive Daytime Running Light Dual String LED Driver Reference Design with Current Balancing

This reference design is a dual string LED driver that implements an operational amplifier based circuit which balances the current in two LED rings. The operational amplifier circuit senses current in a reference string and uses feedback from a mirrored string to bias a MOSFET that egulates the current between the strings. The design uses the TPS92692-Q1 multi-topology LED driver in a boost configuration to drive the LEDs. The TPS92692-Q1 features spread spectrum frequency modulation for EMI performance, analog current adjustment and internal PWM dimming.  This design includes adjustable linear thermal foldback using the LMT87-Q1 analog temperature sensor, as well as current limiting, in the event the mirrored string fails open circuit. The design also features two brightness modes. One mode is a full brightness mode ('DRL') and the other is a PWM dimming mode ('Position') which reduces brightness. 

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98.6% Efficient 6.6kW Totem Pole PFC Reference Design for HEV/EV Onboard Chargers

This reference design functions from a base of silicon carbide (SiC) MOSFETs that are driven by a C2000 microcontroller (MCU) with SiC-isolated gate drivers. The design implements three-phase interleaving and operates in continuous conduction mode (CCM) to achieve a 98.46% efficiency at a 240-V input voltage and 6.6-kW full power. The C2000 controller enables phase shedding and adaptive dead-time control to improve the power factor at light load. The gate driver board (see TIDA-01605) is capable of delivering a 4-A source and 6-A sink peak current. The gate driver board implements a reinforced isolation and can withstand more than 100-V/ns common-mode transient immunity (CMTI). The gate driver board also contains the two-level turnoff circuit, which protects the MOSFET from voltage overshoot during the short-circuit scenario.

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Automotive dual-channel SiC MOSFET gate driver reference design with two-level shutdown protection

This reference design is an automotive-qualified isolated gate driver solution that drives silicon carbide (SiC) MOSFETs in a half-bridge configuration. This design provides two push-pull bias supplies for dual-channel isolated gate drivers, each providing +15V and –4V output voltages and 1W output power. The gate driver is capable of 4A peak source current and 6A peak sink current. The driver implements reinforced isolation and can withstand 8kV peak isolation voltage and 5.7kV RMS isolation voltage as well as common-mode transient immunity (CMTI) of over 100V/ns. This reference design includes a two-stage shutdown circuit that protects the MOSFET against voltage overshoot during short circuit conditions. DESAT detection threshold and second stage shutdown delay time are configurable. This design uses an ISO7721-Q1 digital isolator to connect the fault and reset signals. The overall design adopts a compact double-layer PCB board of 40mm × 40mm.

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10kW 3-phase 3-level T-type inverter reference design for solar string inverter

This proven reference design outlines how to implement a three-level, three-phase DC/AC T-inverter stage based on SiC. The higher switching frequency of 50KHz reduces the size of the magnetic components of the filter design and therefore increases the power density. By using SiC MOSFETs that reduce switching losses, higher DC bus voltages up to 1000V and lower switching losses are ensured, resulting in peak efficiencies of 99%. This design can be configured as a two- or three-level inverter. The system is controlled by a single C2000 microcontroller (MCU), TMS320F28379D, which generates PWM waveforms for all power electronic switching devices in all operating modes.

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65W USB Type-C PD AC/DC adapter reference design with 30W/in3 power density and 94% efficiency

This fully tested, USB power delivery reference design is a high efficiency, high power density, AC/DC adapter solution with a wide input voltage range (85 - 265VAC) for laptop adapters and smartphone charger applications. It adopts active-clamp-flyback topology controlled by TI’s newest ACF controller UCC28780 as the mainly power supply stage. This design uses TPS25740B, TI’s PD source controller, to achieve a full PD 2.0 function. The design achieves a peak efficiency of 94% at a very high switching frequency. The design’s power density is increased to 30 W/in³, which is much higher than traditional solutions.

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