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.
The FDC2214 proximity and capacitive sensing design demonstrates how to use TI's capacitive sensing technology to sense and detect the presence of various objects. This design is a complete hardware and firmware solution. The firmware processes data from a proximity sensor and two capacitive touch buttons via the FDC2214 to determine whether an object is within the target sensing area. A dedicated colored LED lights up whenever the device detects an object in close proximity to the board or detects a button press. This design is powered by one AA battery.
The PMP5242 reference design uses the UCC28810 in a single-stage, PFC-SEPIC configuration to drive a 22W LED load. This supply can operate from an input ranging from 85VAC up to 265VAC. It is capable of driving LED strings from 156V up to 208V at a fixed current of 110mA with efficiency over 89%.
In battery-powered water meters, battery life over several years is key. One of the challenges is to continuously measure water flow information while using as little power as possible. The Scan I/F sensing peripheral integrated on the ultra-low power MSP430 microcontroller solves this problem. In the water meter design, the scan interface coupled to the LC rotation detection sensor continuously detects the rotation of the thruster while the rest of the microcontroller is in a low-power sleep mode. This reference design demonstrates how to use the scan interface to achieve ultra-low power consumption (versus the same detection method using external circuitry).
This TI verified design provides principles, component selection, TINA-TI simulation, verification and measurement performance, Altium schematic, PCB layout for automotive battery pack monitoring applications. This design uses the automotive AEC-Q100 qualified 12-bit, 4-channel, 1Msps SAR ADC ADS7950-Q1 and isolated system hardware. This isolated input design with four-wire shunt resistors is ideal for such applications using high and low voltage automotive battery packs. It can be used to monitor battery pack current (from -5A to +5A) and extremely high voltages (up to 750V). TINA simulations on input and reference drivers validate design solutions and component selections, while measured results prove the performance of precision designs.
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.
The TIDA-00486 TI design uses Texas Instruments' SimpleLink Wi-Fi CC3200 on-chip Internet wireless MCU module to create a data bridge between an RS-485 network and a Wi-Fi network. The ISO15 transceiver provides an isolated RS-485 interface with electrical isolation up to 2500 VRMS. The LM5160 Fly-Buck™ power supply provides both isolated and non-isolated 3.3V outputs for both parts of the circuit. This design can be powered by AC or DC supplies up to 30VRMS or 48V peak. A version of this design with a non-isolated RS-485 interface is included in TIDA-00485.
TIDA-00675 reduces power consumption by using load switches to dynamically turn loads on/off. The design guide explains how switching frequency, duty cycle, and the use of discharge resistors affect power dissipation.
The PMP10748 is a complete automotive front-end protection TIDesign featuring TI's Zero IQ smart diode controller and high-side protection controller. This design utilizes two LM74610-Q1 ICs to drive 40V MOSFETs in an OR-ing configuration to provide reverse polarity protection. The LM74610-Q1 is a high-efficiency, zero-IQ alternative to lossy diode and inefficient PFET solutions, providing reverse polarity protection. The design also provides programmable OVP, UVLO and OCP through the LM5060-Q1 high-side protection controller. With the LM5060-Q1, this design not only has controllable rise time for safe connections, but also has programmable fault detection delay time.
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.
This reference design is a 120Vac to 17V flyback converter with synchronous rectification on the secondary side. A lossless passive clamp on the primary side helps this reference design achieve greater than 93% maximum load efficiency. When combined with the PMP20172, this reference design becomes a complete solution for a 36W USB Type-C dual-port solution.
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 PMP20612 reference design is a high efficiency AC-DC LED driver reference design with very low total harmonic distortion (THD). This design uses CCM PFC with the UCC28180 controller to provide power factor correction (PFC) functionality from 108VAC to 305VAC input. A two-switch Flyback converter with the UCC28740 controller is used to provide 200V/1A constant current (CC)/ constant voltage (CV). The voltage sensing and current sensing circuit at the output side with the TL431 and INA180 allow an external circuit to process a dimming function. As a result this design achieves 92.9% peak efficiency at 230VAC/50Hz input. At 277VAC, the board also has less than 20% THD with 20% load.
This TI design uses Hall sensing technology from Texas Instruments (TI) to provide a solution for understanding the AC current flowing through a wire without any physical intervention. The TIDA-00218 uses a flux concentrator to concentrate the magnetic flux around the AC current-carrying wire without allowing it to escape into the air, and then directs this magnetic flux to the Hall sensor.
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.
TIDA-00679 TI reference design demonstrates a solution for automotive LED taillight applications (tail/brake lights, turn signals, reverse lights). This reference design uses the TPS92630 linear LED driver, which is powered directly from the car battery through a smart battery reverse diode. The design offers the potential for cost savings and efficiency through low power dissipation and improved system thermal performance. The reference design also includes CISPR25 testing, pulse testing (per ISO 7637-2), and EMI/EMC radiated and conducted emissions testing. See TIDA-00677 for a similar design using the TPS92630-Q1 driven by a buck converter . See TIDA-00678 for a similar design driven by a boost converter .
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.
TI's TIDC-EVSE-WIFI validated reference design details how to implement a J1772-compliant Level 1 and Level 2 Electric Vehicle Service Equipment (EVSE) solution with added Wi-Fi® functionality. The CC3100 network processor allows highly embedded devices such as EVSE to easily connect to existing wireless networks or directly to the device. By integrating this functionality into the EVSE, the design enables remote power monitoring and control of the charge status of connected electric vehicles.
The PMP20410 is a synchronous 4-switch buck/boost converter reference design using the LM5175 controller for battery charger applications. Output voltages from 1V to 10V can be selected over a current range of 13A to 28A by using a trim resistor on the FB pin with a bias voltage of 0.2V to 3.1V. This reference design also uses the nonsynchronous boost regulator LMR62014 to provide bias voltage for the LM5175 operating in 2.7V input voltage mode. The current mode controller has built-in LM5175 pulse-by-pulse current limiting function. This board includes enable, sync, and power-good functions. This reference design supports resistive heating elements with resistances ranging from 0.1Ω to 0.5Ω, allowing 80W of power to be supplied.
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.
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