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.
This TI precision verification design circuit converts the differential current output of an audio DAC into a single-ended voltage that can drive low-impedance headphones. This design achieves the high-fidelity performance levels currently being promoted in cell phones and mobile audio players.
This design is a sensored three-phase brushless DC motor controller that uses a single PWM input to control speed and three active-high Hall sensors to detect rotor position. The DRV8305's integrated communication table simplifies the microcontroller firmware required for correct commutation. The DRV8305 automatically handles dead time insertion and gate drive current control, both of which are adjustable through the driver SPI interface.
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.
This TI design provides a reference solution for measuring insulation resistance up to 100MΩ. The design features an on-board isolated 500Vdc power supply and isolated signal conditioning circuitry for measuring leakage current. This design is useful for finding leaks due to insulation breakdown in transformers and motor windings.
TIDA-00524 provides a complete reference design for asset tracking and cold chain data logging, with over 5 years of battery life and a simple NFC (Near Field Communication) interface for configuration and readback. For maximum flexibility, the system offers multiple sensor configuration options to monitor temperature (TMP112), ambient light (OPT3001) and/or humidity (HDC1000/HDC1010). TI's RF430CL331H can provide NFC, and the MSP430FR5969 MCU can provide up to 64KB of non-volatile FRAM storage.
The TIDA-00262 reference design is a high-speed serial video interface that allows remote automotive camera modules to be connected to a display or machine vision processing system. This design uses TI's FPD-Link III SerDes technology to transmit uncompressed megapixel video data, bidirectional control signals and power over shielded twisted pair or coaxial cable.
This design is a simulation solution for car taillights with sequential turning animations. This design is compatible with TL81000 RI and BCI testing (third party EMC laboratory). This design also demonstrates complete automotive diagnostics for low quiescent current in failure modes.
The PMP4489 reference design is a dedicated USB-C PD2.0 DFP 5V/12V 3A output flyback converter featuring the secondary-side regulation UCC28740DR, which provides constant voltage and constant current functionality. This design features less than 75mW standby power consumption (DOE 6 and CoC V5 Level 2 compliant). The secondary voltage and secondary balanced synchronous rectifier UCC24636 achieves high efficiency with maximum SR on-time. The TPS25740 is fully compatible with USB Power Delivery 2.0 providers and Type-C downstream ports (DFP).
This reference design demonstrates how to use the CapTIvate software library communication module to connect an MSP430 MCU with CapTIvate™ technology to an MSP432 MCU host microcontroller. This design integrates capacitive touch technology and human touch, using MSP432 MCU as the host to drive the QVGA LCD color screen.
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.
The TIDA-00643 reference design is a 4.4 to 30 V brushless DC motor controller for high power propeller, fan and pump applications. It uses Texas Instruments' DRV8305 brushless DC motor gate driver, CSD17573Q5B 30V NexFET power MOSFET, TPD4E05U06 TVS protection integrated circuit, C2000 motor control MCU, and LMR16006 3.3 V buck converter. It uses InstaSPINTM-FOC for sensorless magnetic field positioning control and controls motor speed via an external reference signal from a central controller. The design aims to create an efficient and high-power BLDC motor system.
This TI reference design combines a Texas Instruments (TI) low-voltage H-bridge motor driver with an integrated LDO voltage regulator and an ultra-low-power microcontroller (MCU) to demonstrate a comprehensive implementation of a battery-powered electric toothbrush. .
This TI reference design is a 3.1W mono fully differential audio power amplifier for driving chimes as part of a complete automotive dashboard system solution optimized for the mid-range dashboard market. The entire dashboard solution supports 4.5-40V system functionality and can withstand cold crank, start-stop and load dump conditions.
This reference design is a high power PoE Powered Device (PD) plus active clamp forward converter. The TPS2373 high power PD controller EVM (TPS2373-4EVM-758) provides all functions necessary to implement an IEEE802.3bt-ready PD. This is paired up with an active clamp forward converter utilizing the UCC2897A controller. The high efficiency 24V/3A output using synchronous rectifiers is ideally suited for high power PoE applications such as IP security cameras and LED lighting applications.
In need of an IEEE802.3bt-ready PSE controller? Check out the TPS23881.
The PMP10116 reference design utilizes the UCC28063A conversion mode PFC controller to drive LEDs up to 700mA from the AC input. This flyback PFC topology provides isolation and uses quasi-resonant mode control. It supports analog dimming at the output. See UCC28060 Interleaved AC-DC Single-Stage Flyback-Based LED Driver for design guidelines
The TIDA-01494 reference design is a compact, high-efficiency, 24V DC, 480W nominal, 720W peak output reference design for industrial AC/DC power supplies. The circuit includes a front-end continuous conduction mode (CCM) power factor correction (PFC) circuit, followed by a powerful LLC stage with synchronous rectification. The design ensures an efficiency greater than 93.5% over a wide load range, allowing the system to operate without forced cooling. The UCC256301-based LLC stage utilizes the ZCS avoidance feature in the UC256301 to achieve peak output power, minimizing the PFC bulk capacitor to meet holdup requirements while enabling the system to handle short circuit and overcurrent conditions. The UCC24612-2-based synchronous rectifier helps minimize losses in the output rectifier, while its advanced proportional gate driver and dead-time optimization help avoid breakdown and minimize losses.
This reference design uses the TPS61088 to provide an envelope tracking power supply circuit for an audio power amplifier (PA). By adding the audio envelope signal to the FB pin, the output voltage of the TPS61088 can be varied according to the envelope of the audio signal. Therefore TPS61088 can provide dynamically changing power supply voltage to the PA. As a result, the PA maintains high efficiency over the entire output power range.
This reference design is a battery initialization reference design solution for automotive and battery applications. The module enables a high efficiency single stage conversion for charging and discharging the battery. This design features a 0.1% accurate current control loop using the high performance INA225 current sense amplifier. The design was achieved in a compact form factor (40mmX143mmX20mm).
This reference design uses the MSP430FR4133 FRAM-based MCU and is a remotely controlled, full-featured, battery-powered magnetic pulse water meter with wired and wireless automatic meter reading (AMR) capabilities. The instantaneous flow rate and total flow rate will be displayed on the LCD screen. The design operates in a low-power mode and reduces CPU workload, thereby helping to reduce overall power consumption.
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