Ultra-small brushed DC motor current regulation TI reference design

The TIDA-00786 is a small size brushed DC motor controller with fixed 100% duty cycle speed input and variable current regulation. The DRV8871's integrated current sensing capability enables the design to utilize standard potentiometers, allowing the user to quickly change current limit levels in motors powered by 12 to 24V inputs.

Schematic PCB

Automotive precision electronic fuse reference design

Fuses are used in many products to protect against possible damage caused by current surges and overcurrents. Traditional fuses used in the automotive space have lower accuracy and longer response times. The TIDA-00795 Automotive Precision Electronic Fuse Reference Design is an alternative to traditional fuses that is more accurate and offers capabilities not found in traditional fuses. This electronic fuse reference design can be used as a building block for implementing a multi-channel electronic fuse box. It can also be used in body control modules (BCM) and electronic control units (ECU).

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16-channel active cell balancing reference design

16-cell EV/HEV high current active solution using the latest automotive battery management monitor and protector bq76PL455A-Q1. It combines the high level of integration and accuracy of the bq76PL455A-Q1 with a bidirectional DC-DC cell balancer to provide a high-performance battery management solution for high-capacity battery packs. This allows any 16-cell input to be charged or discharged as required at up to 5A, and modules can be stacked up to 1300V.

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6-Cell EV/HEV Integrated Battery Monitor and Protector Reference Design with Passive Balancing

The TIDA-00821 reference design is a stackable monitor and protector for use in large lithium-ion batteries that provides monitoring, balancing and communication functions. Each bq76PL536A-Q1 EVM can manage 3 to 6 cells in Li-ion battery applications. Up to 32 bq76PL536A-Q1 EVM modules can be stacked. The system provides fast cell balancing, diagnostic capabilities, and module-to-controller communication. In addition, an independent
protection circuit is integrated.

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2.5A BLDC Motor Controller Reference Design with Integrated Sensor

TIDA-00827 is an integrated sensor-based BLDC motor controller reference design for low-power, battery-powered brushless DC motor applications. The 8 to 35V operating voltage range supports 3S to 6S lithium polymer battery power supplies. Specific applications include camera heads, low-power fans and robots. The motor controller consists of the MSP430G2353 16-bit, ultra-low power microcontroller and the DRV8313 highly integrated 2.5A triple half-bridge driver. The MSP430G2353 utilizes Hall sensor-based communication feedback to provide the correct drive voltage to the motor through the DRV8313. Onboard potentiometers and buttons provide a simple interface to control the motor.

Schematic PCB

High-accuracy ±0.5% current and isolated voltage measurement reference design using 24-bit delta-sigma ADC

This analog front end (AFE) design shows how to connect two or more Σ-Δ ADCs for simultaneous sampling and how to expand the number of input channels to provide maximum flexibility. Precision current measurement is achieved by connecting the AFE to a current transformer (CT) and a Rogowski coil. Likewise, accurate voltage measurements are achieved using resistive voltage dividers without and with isolation amplifiers. The AFE can be configured to measure unipolar or bipolar inputs. The required power is provided onboard. Additionally, diagnostics can be integrated into one design, as shown in TIDA-00810.

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High-fidelity 175W Class D audio amplifier reference design with digital input and processing

This design uses the highly flexible PCM5242 differential output DAC to convert the extremely high performance analog input TPA3251D2 Class D amplifier into a digital input system with audio processing capabilities. The full performance of the TPA3251D2 amplifier can now be achieved through a variety of digital input sources. The PCM5242 DAC's analog differential output and high SNR are a perfect match for the TPA3251D2 amplifier's full differential analog input, resulting in excellent noise performance and very low distortion. Through the miniDSP on the PCM5242, audio processing and filtering functions can be added to further enhance the audio performance in the end device.

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USB Type-C Plug to USB Type-A Socket SS (SuperSpeed) MUX Reference Design with UFP Controller

TIDA-00891 is designed to evaluate the HD3SS3220 device for UFP implementation. This reference design also serves as a hardware reference design for any implementation using the HD3SS3220 with a USB-C™ connector. Reference design files are available upon request to assist in PCB design using the HD3SS3220. This design provides layout files to guide you through the routing/location rules schematic to implement the TUSB321A. This reference design provides an onboard USB Type-A plug to connect to legacy USB systems. Please note that this reference design may contain test components that are intended for evaluation and are not suitable for production.

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Isolated RS-485 reference design with integrated signal and power

The TIDA-00892 reference design provides a compact solution capable of generating isolated DC power while supporting isolated RS-485 communications. This reference design contains a reinforced digital isolator with integrated power supply and an RS-485 communications transceiver.

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Reinforced Isolated Phase Current Sensing Reference Design with Small Delta-Sigma Modulator

This reference design implements a reinforced isolated three-phase inverter subsystem using isolated IGBT gate drivers and isolated current/voltage sensors. This design uses the AMC1306E25 delta-sigma modulator for accurate shunt-based inline motor phase current sensing. The modulator output is Manchester encoded, simplifying clock and data signal routing between the MCU and the modulator. The modulator's high CMTI helps suppress inverter switching noise transients from causing data corruption on the controller side. A compact solution is achieved using a small size modulator. TIDA-00914 provides an interface to an external MCU or FPGA so that a SINC digital filter can be used to demodulate the AMC1306E25 output bit stream. This reference design uses the F28379D Delfino control card, which is connected to the card described in the reference design via an adapter card for current sensing using SINC filters.

Schematic PCB

Sensorless high-speed FOC reference design for drone ESC

The ESC module is a very important subsystem in non-military UAVs. Users need more efficient models to achieve longer flight times, better dynamic behavior and smoother and more stable performance. The design uses an electronic speed controller (ESC) commonly used in unmanned aerial vehicles (UAVs) or drones.

Speed ​​control is done sensorless and the motor was tested using FOC speed control up to 1.2kHz electrical frequency (12kRPM, 6 pole pair motor). Our drone ESC high-speed sensorless FOC reference design features a best-in-class FOC algorithm implementation that enables longer flight times, better dynamic performance, and higher integration resulting in smaller board size and BOM components less. Sensorless high-speed FOC control uses TI's FAST™ software observer, leveraging the InstaSPIN-Motion™ C2000™ LaunchPad and DRV8305 BoosterPack.

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3W non-isolated bias power supply reference design with 80% efficiency and 15dB EMI performance margin

TIDA-00940 is a 3W non-isolated bias power supply with up to 80% efficiency and excellent EMI performance, designed for motor control and drive subsystems in major appliances, saving system costs and having other features described here Main advantages. This reference design uses a buck topology to provide two non-isolated outputs, implemented using TI's UCC28881 and TPS5405 controllers, to provide comprehensive protection. The hardware is designed and tested to comply with EN-55014 Class B requirements for household appliances.

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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.

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).

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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.

Schematic PCB