Category: Interface Reference Designs

In order to provide system designers a new cost-effective and easy alternative to assured precision temperature measurement: this reference design discusses the new tiny 2-pin digital output IC temperature sensor with single wire pulse count interface that enhances reliability and greatly simplifies the design of galvanic isolation architecture for sending both power and unidirectional data…

This reference design is a complete charger module for evaluating a multi-cell synchronous notebook turbo boost charge using the bq24735 devices. It is designed to deliver up to 4 A of charge current to Li-ion or Li-polymer applications. The charge current is programmable by SMBus interface through the EV2300 interface board. The reference design does not include the EV2300 interface board. In…

The TSW38J84 EVM reference design provides a platform to demonstrate a wideband dual transmit solution that incorporates an integrated LO.  The reference design utilizes the 2.5 GSPS DAC38J84 device with the high performance modulators: TRF3722 (including integrated PLL/VCO) and TRF3705. The TRF3722 and TRF3705 can be combined to form a dual transmit solution with the TRF3722 generating the local…

The RF sampling architecture offers an alternative to the traditional super-heterodyne architecture. An RF sampling analog-to-digital converter (ADC) operates at a high sampling rate and converts signals directly from radio frequencies (RF) to digital. Because of the high sampling rate: the RF sampling architecture supports very wide signal bandwidths. Higher signal bandwidths increase the…

This design is a 3-phase sensored Brushless DC Motor controller that uses a single PWM input for controlling speed and three active-high hall sensors for rotor position detection.  The DRV8305's integrated commutation table simplifies the microcontroller firmware required for proper commutation.  The DRV8305 automatically handles dead time insertion and gate drive current control: both of which…

The TIDA-00496 TI Design is a compact brick for demonstrating capabilities of Precision PHYTERTM. As more systems in the power grid are using time information for real time analysis: timing becomes critical. This design achieves time synchronization with nanosecond accuracy using IEEE 1588v2 Precision Time Protocol (PTP).  It can be configured for 10/100 Mbps copper interface or 100 Mbps fiber…

The TIDA-00473 is a reference design of universal input: 10-W high efficiency: low cost power supply with three isolated outputs. This is a Constant-Voltage (CV) and Constant-Current (CC) flyback converter without Optical-Coupler and external MOSFET. The hardware is designed and tested to pass conducted emissions: surge: and EFT testing as per the EN55014 requirements for household appliances.…

PMP4334 is the combo solution that provides single stage PFC and 6-channel LED drivers total solution with 110W output power. It delievers 350mA/channel with typical 50V output voltage. Overall PF>0.95 is achieved with the help of TM PFC UCC28810. Dynamic headroom control(DHC) feature of LM3463 controls DC input from UCC28810 and achieves high efficiency > 90% over wide range. It also presents…

This reference design enables a cost-effective and low-power data acquisition system that provides an alternative to FPGA-based systems. It features a single-ended: high-impedance input that can be used in a wide number of applications: including portable instrumentation and digitizers.The reference design utilizes the ADS4122 analog-to-digital converter (ADC): along the with the OPA656 and…

TIDA-00119  is a complete: highly-integrated PLC analog input module front-end reference design that is designed and tested to meet IEC61000-4 standards for industrial automation systems. The design can be configured for 4 differential inputs or 8 single-ended inputs with 12-bit ADC resolution and a sample rate of up to 1MSPS. These inputs can also be programmed to take current or voltage inputs…

This verified reference design is a 12G SDI and Video over IP repeater with reclocking function compatible with SMPTE (ST-2082: ST-2081: ST-424: ST-292: and ST-259) and 10 GbE electrical requirements. This design is applicable to either coax or optical cable applications.

The PMP10961 is a high power density: 10A buck converter with PMBus interface. The layout is optimized for small form factor utilizing both sides of board and fits in a 0.6x0.78" area. It enables 86.5% efficiency at 10Vin: 1.2V/10Aout: 400kHz. Due to DCAP3 control mode: it also provides fast load transient response within +/-1.5%: minimizing output capacitors .  PMBus interface enables output…

Active Balance chipset for use in large format Lithium-ion batteries that provides monitoring: balancing: and communications. With precise and robust active balancing: the Active Balance BMS is capable of bidirection power transfer at each cell. Each EM1401EVM can manage 6 to 14 cells (60V max) for Li-ion battery applications. The EM1401EVM modules can be stacked up to 1300V. The system provides…

The TIDA00255 reference design utilizes the bq76940 analog front end (AFE) IC.  It measures cell voltages: and die temperature or external thermistor voltage using a 14 bit ADC.  Current is measured separately by a separate 16 bit coulomb counter.  The design can turn off low side power FETs to stop discharge or charge based on selected hardware limits.  A microcontroller not included in this…

This reference design discusses the use and performance of the Ultra-Wideband: Fixed-gain high-speed amplifier: the LMH3401 to drive the high-speed analog-to-digital converter (ADC): the ADS54J60 device. Different options for common-mode voltages: power supplies: and interfaces are discussed and measued: including AC-coupling and DC-coupling: to meet the requirements of a variety of applications.

This reference design discusses the use and performance of the Digital Variable-Gain high-speed amplifier: the LMH6401: to drive the high-speed analog-to-digital converter (ADC): the ADS54J60 device. Different options for common-mode voltages: power supplies: and interfaces are discussed and measued: including AC-coupling and DC-coupling: to meet the requirements of a variety of applications.

This “18-bit: 2-Msps Isolated Data Acquisition Reference Design to achieve maximum SNR and sampling rate”  illustrates how to overcome performance-limiting challenges typical of isolated data acquisition system design:Maximizing sampling rate by minimizing propagation delay introduced by digital isolatorMaximizing high-frequency AC signal chain performance (SNR) by effectively mitigating ADC…

This reference design provides an isolated: 1-Mbps: 3.3-V to 3.3-V RS-485 interface using the ISO35T: isolated RS-485 transceiver and the TPS76333 high-accuracy linear regulator. This board achieves signal and power isolation and at the same time decreases board space and power consumption.

The bq25892 is a highly-integrated switch-mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery in a wide range of smartphone and other portable devices with USB or high voltage adaptors. Its low impedance power path optimizes switch-mode operation efficiency: reduces battery charging time and extends battery life during discharging…

This verified reference design is a signal conditioning solution for front-port QSFP28 supporting two 100GbE ports compatible with 100G-CR4/SR4/LR4: 40G-CR4/SR4/LR4 and 10G SFF-8431 requirements. The design is applicable to optical and passive/active copper cables. It allows for reach extension between the Switch ASIC and the front-port QSFP28 which is often required for the outermost ports of a…