The TIDA-00743 reference design is a small module designed to evaluate a digital input Class D audio amplifier in a system dedicated to the classic Class AB audio power amplifier module. This design demonstrates the power loss reduction that a Class D amplifier can achieve. This design demonstrates how the 2.1MHz operation of the TAS6424-Q1 enables a compact power amplifier solution.
TIDA-00746 is a 17W system-optimized SMPS design for automotive infotainment processor power supply. This design has been tested and complies with CISPR25 Class 5 conducted EMI limits. All buck converters used in this design switch at frequencies above the AM band (>1.85MHz).
The design is divided into four main parts:
The Demand Controlled Ventilation People Counting Reference Design with 3D Time of Flight (ToF) is a subsystem solution that uses TI's 3D ToF image sensor and tracking and detection algorithms to count people in a given area, enabling high resolution and high precision. The sensor technology was developed in standard CMOS, enabling high levels of system integration at low system cost. Because ToF image sensors process visualization data in three dimensions, the sensor can detect the precise shape of the human body and track a person's movement and position (including minute changes in movement) with unprecedented accuracy. As a result, ToF cameras can perform real-time people counting and people tracking functions more efficiently than traditional surveillance cameras and video analytics.
To provide system designers with a new cost-effective and simple alternative solution for high-precision temperature measurement, this reference design introduces a new ultra-small 2-pin digital output IC temperature sensor with a single line pulse counting interface that improves reliability and greatly simplifies the design of electrically isolated architectures to send power and unidirectional data through the same low-profile transformer and remote operation. Additionally, error budget calculations are simpler because there are fewer error sources. Cost budget, accuracy, size, and simplicity of connection to other circuit components are major factors to consider when selecting a sensor to perform the job, and this reference design system can be of great assistance in meeting these requirements. This design has a maximum measurement error of less than 0.25°C over the -50°C to 150°C temperature range, provides 400VRMS of functional isolation, and is pre-certified to IEC61000-4-4 to significantly reduce the cost of high-accuracy temperature measurement systems Development design time.
Wireless battery-powered smart locks are becoming more and more popular in today's market with the increasing number of building and residential owners looking to retrofit smart locks (or electronic locks) for their buildings or homes. In smart lock applications, high current motors and radios often have a faster battery drain rate, resulting in compromised battery life. Replacing multiple batteries can be time-consuming and costly, so reducing average current draw is often a key design consideration.
The TIDA-00771 is a 20A RMS driver for three-phase brushless DC (BLDC) motors in power tools powered by 3-cell Li-ion batteries (voltage range 5V to 12.6V). The design is a compact 45 x 50 mm actuator that enables sensor-based trapezoidal control. The design uses a discrete compact MOSFET-based three-phase inverter that delivers 20A RMS continuous (70A peak for 1 second) winding current without the need for any external cooling devices or heat sinks. The gate driver's slew rate control and charge pump ensure maximum inverter efficiency (>97% at 10.8V DC) from 5V to 12.6V with optimal EMI performance. Cycle-by-cycle overcurrent protection prevents large stall currents in the power stage, and the board can operate in ambient temperatures up to 55°C. The small form factor allows placement of the plate close to the battery pack, the high efficiency allows the battery to last longer, and the 70A peak current capacity delivers high instantaneous peak torque in power tools.
TIDA-00772 is an 18A RMS driver for three-phase brushless DC (BLDC) motors in power tools powered by 5-cell Li-ion batteries (up to 21V). The design is a compact 45 x 50 mm actuator that enables sensor-based trapezoidal control. The design uses a discrete compact MOSFET-based three-phase inverter that delivers 18A RMS continuous (60A peak for 1 second) winding current without the need for any external cooling devices or heat sinks. The gate driver's slew rate control and charge pump ensure maximum inverter efficiency (>98% at 18V DC) with optimal EMI performance. Cycle-by-cycle overcurrent protection prevents large stall currents in the power stage, and the board can operate in ambient temperatures up to 55°C. The small form factor allows for flexible plate placement, the high efficiency allows the battery to last longer, and the 60A peak current capacity delivers high instantaneous peak torque in power tools.
TIDA-00779 is a 3.5kw affordable power factor regulator converter designed for room air conditioners and other large appliances. This reference design is a continuous conduction mode (CCM) boost converter and is implemented using the TI UCC28180 PFC controller and all the necessary built-in protection mechanisms that come with it. The hardware design has been tested and passed IEC61000 surge and EFT test requirements for household appliances.
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.
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).
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.
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.
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.
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.
Magnetic tampering can disable any transformer in an energy metering system, which may result in the system not being properly powered or the energy being consumed by the load being recorded incorrectly. This design enables a Class 0.2 three-phase energy metering system that uses Hall sensors to detect magnetic tampering. Magnetic tamper detection is enabled when operating from primary and backup power. Various methods are employed to reduce the current consumption of Hall sensors in order to extend battery life when operating from backup power.
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.
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.
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.
The TIDA-00912 TI reference design provides a complete isolated current measurement reference solution using an external shunt, reinforced isolation amplifier, and isolated power supply. Parallel voltage is limited to 25mV. This reduces power dissipation in parallel connection, enabling high current measurement ranges up to 200A. The shunt voltage is amplified by an instrumentation amplifier configuration with a gain of 10 to match the isolation amplifier input range for better signal-to-noise ratio. The output of the isolation amplifier is level shifted and adjusted to match the full input range of the 3.3V ADC. This design uses a free-running transformer driver operating at 410kHz to generate an isolated supply voltage in a small form factor to power the high-voltage side of the circuit.
The TIDA-00913 reference design implements a 48V/10A three-phase GaN inverter with precision shunt-based in-line phase current sensing for precise control of precision drives such as servo drives. One of the biggest challenges with shunt-based in-line phase current sensing is the high common-mode voltage transients during PWM switching. The INA240 bidirectional current sense amplifier uses enhanced PWM rejection to overcome this problem. This reference design provides an output voltage from 0 to 3.3V, regulated to ±16.5A, with a mid voltage of 1.65V, enabling highly accurate phase current over temperature. TIDA-00913 provides a TI BoosterPack-compatible interface to connect to the C2000 MCU LaunchPad™ development kit for easy performance evaluation.
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