MAXREFDES1155: Dual-channel, RTD/TC measurement system based on MAX11410

MAXREFDES1155 is a configurable two-channel resistance temperature detector (RTD)/thermocouple (TC) measurement system.

Schematic PCB

MAXREFDES1198: 4.5V to 36V ultra-small input and 3.3V, 2A, high-efficiency, synchronous step-down DC-DC converter

Power over Ethernet (PoE) is a technology that allows network cables to deliver power to a powered device (PD) through power-sourcing equipment (PSE) or midspan, and has many advantages over traditional methods of delivering power.

CARMEL (MAXREFDES18#): High-precision analog current/voltage output

The Carmel (MAXREFDES18#) subsystem reference design provides a high-accuracy analog current/voltage output in a compact, galvanically isolated form factor. This design uniquely fits programmable logic controllers (PLC), distributed control systems (DCS), and other industrial applications . Hardware and firmware design files and lab measurements are provided for rapid prototyping and development. The board is also available for purchase.

Schematic PCB

PCT2075DP-ARD: Arduino Shield

Noise-resistant capacitive touch HMI reference design

The Noise Tolerant Capacitive Touch HMI Design (TIDM-CAPTOUCHEMCREF) is a reference design for implementing a noise tolerant capacitive touch human machine interface (HMI). It integrates TI's MSP430FR2633 microcontroller (MCU) with high-performance CapTIvate™ touch technology and the TPS7A4533 linear regulator and UCC28910 flyback switch. This reference design demonstrates how a design that can pass challenging conducted RF immunity, electrical fast transient/burst immunity can be designed using a trinity design approach that includes hardware design techniques, CapTIvate technology peripheral functionality, and software signal technology. Hardware and software for system-level testing of electrostatic discharge immunity and electrostatic discharge immunity.

Schematic PCB

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.

Schematic PCB

LMG5200 48V to 1V/40A single-stage converter reference design

PMP4497 is a GaN-based reference design solution suitable for Vcore applications such as FPGA and ASIC. With high integration and low switching losses, the GaN module LMG5200 enables high-efficiency single-stage 48V to 1.0V solutions, replacing traditional two-stage solutions. This reference design demonstrates the GaN performance and system advantages of this solution compared to two-level solutions. Low cost ER18 flat PCB transformer embedded on board. This reference design is compact in size (45mm*26mm*11mm). Further size reduction can be achieved by optimizing frequency and components.

Multi-Protocol Industrial Ethernet Detection with PRU-ICSS Reference Design for Industrial Automation Applications

There are currently more than 30 industry standards for Industrial Ethernet in the field of industrial automation. Some mature real-time Ethernet protocols such as EtherCAT, EtherNet/IP, PROFINET, Sercos III, and PowerLink require specialized MAC hardware support for FPGAs or ASICs. The Programmable Real-Time Unit within the Industrial Communication Subsystem (PRU-ICSS) exists as a hardware module of the Sitara processor family and will replace FPGAs or ASICs with a single chip solution. Firmware in PRU-ICSS can be used to detect the type of Industrial Ethernet protocol and load the corresponding industrial application into the Sitara processor during runtime. This TI Design introduces PRU-ICSS's multi-protocol Industrial Ethernet protocol detection firmware.

Schematic PCB

MAXREFDES1180: -124V/100mA, negative output supply, using MAX17501

The MAXREFDES1180 is centered around the MAX17501 ultra small, high-efficiency, high-voltage, synchronous stepdown DC-DC converter with integrated MOSFETs. This design provides a -12V output and up to 150mA of load current with an input voltage range of 4.5V to 5.5V. Unlike a traditional design, this reference design is configured to work in an inverting buck-boost topology to produce negative output voltage from positive input voltage.

300W Isolated DC-DC Converter

Schematic PCB

MAXREFDES1149: 12V/1A, synchronous, no optocoupler, isolated POE DC-DC converter

Power over Ethernet (PoE) is a technology that allows network cables to deliver power to a powered device (PD) via power-sourcing equipment (PSE) or midspan, and has many advantages over traditional methods of delivering power. The MAXREFDES1149 reference design is a 36V~57V input to 12V/1A output flyback PoE PD power module to be used in Ethernet equipment that needs the 12V power supply to be isolated from the primary Ethernet power.

Schematic PCB

Ultrasonic TDC Flow Meter Reference Design

TIDM-ULTRASONIC-FLOW-TDC is a reference design for an ultrasonic flow meter (water, gas or heat meter) with LCD, using a time-to-digital converter and an ultra-low power MCU. The solution includes optimized leak detection, low power consumption and small form factor, which are important requirements for water, heat and gas meter applications. The design also includes a high-efficiency DC-DC converter for system power supply.

Schematic PCB

syzygy-pmod: SYZYGY to PMOD adapter

SYZYGY is an FPGA extension standard for medium to high speed interfaces. This design is a splitter for 4x PMOD connectors. All 32 I/O signals from the SYZYGY connector are brought out. 8 on each PMOD.

Schematic PCB

MAXREFDES9000: Remote two-wire power supply and control I2C and SPI interface sensor based on DS28E18

The MAXREFDES9000 is a reference design showcasing the DS28E18 that demonstrates how to both operate and power remote I2C and serial peripheral interface (SPI) sensors using only two wires

Schematic PCB

Portable devices require high-performance battery chargers

Three techniques for charging lithium-ion (Li+) batteries are described. Linear, switch-mode, and constant-current pulse circuits are shown for each charging method.

CN0188

Isolated low-side current monitor for negative high-voltage rails

Schematic PCB

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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Single Cell Li+ Cradle Charger with Linear AC Adapter

The single cell Lithium-ion (Li-ion) battery charger that does not dissipate power (no heat) can also use a low cost linear AC adapter. This application note discusses how to design a simple and low-cost Li-ion charger.

650 V 400 A six-cell automotive qualified IGBT module

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.

Schematic PCB