The 12 V lead-acid battery system has met its match. With increasingly strict emission regulations, growing power load requirements of advanced automotive electronics and the conversion from mechanical components to electronic functions, the traditional automotive battery of choice has reached its current-carrying capacity. In response, automakers and their suppliers have developed a second, additional electrical system at 48 V which deliver...

This reference design provides a practical example of interleaved RF-sampling analog-to-digital converters (ADCs) to achieve a 12.8-GSPS sampling rate. This is achieved by time-terleaving two RF-sampling ADCs. Interleaving requires a phase shift between the ADCs, which this reference design achieves using the Noiseless Aperture Delay Adjustment (tAD Adjust) feature of the ADC12DJ3200. This feature is also used to minimize mismatches typical of ...

Texas Instruments (TI) has introduced zero-drift Hall-effect current sensors. The TMCS1100 and TMCS1101 enable the low drift and high accuracy over time and temperature while providing reliable 3kVrms isolation, which is especially important for AC or DC high-voltage systems such as industrial motor drives, solar inverters, energy-storage equipment and power supplies.

This reference design provides isolated positive and negative voltage rails for Insulated Gate Bipolar Transistor (IGBT) gate drivers from a 24-V DC input supply. It uses a flyback power supply topology to generate four pairs of 15V and –5V outputs suitable for powering six IGBT gate drivers of 1W each. The integration of a 100V rated primary-side switch within the LM5180 flyback converter together with the elimination of an auxiliary tra...

Automotive architectures are rapidly evolving with a trend towards semi-autonomous and eventually fully-autonomous vehicles. Automotive manufacturers are also including a variety of features such as smart access, car sharing, predictive maintenance, vehicle tracking, fleet management and over-the-air (OTA) updates to enhance connectivity and in-vehicle communication. These advanced features generate an ever increasing amount of data which need to...

This reference design provides a compact and scalable camera module for automotive driver assistance (ADAS) systems and other vision applications. It combines a 2-megapixel (2 MP) imager with a 4-Gbps serializer and four-channel power management integrated circuit (PMIC). The camera module is a two-board design to illustrate the flexibility and scalability of the power and serializer components to different image sensors, depending on the ap...

Man machine interaction requires an acoustic interface for providing full duplex hands-free communication. In hands-free mode, part of the far-end or near-end audio signal from the speaker is coupled to the microphones. Furthermore, in noisy environments the microphones also capture ambient noise in addition to the useful near-end audio signal. 

The LM61460 is a high performance, DC-DC synchronous step-down converter. With integrated high side and low side MOSFETs, up to 6A of output current is delivered over a wide input range of 3.0V to 36V; tolerant of 42V, easing input surge protection design. The LM61460 implements soft recovery from dropout eliminating overshoot on the output.

Texas Instruments (TI) has introduced a small buck-boost charger integrated circuits, which integrate power-path management for maximum power density and universal and fast charging at up to 97% efficiency. The BQ25790 and BQ25792 support efficient charging and ten times lower quiescent current through USB Type-C and USB Power Delivery (PD) ports in small personal electronics, portable medical devices and building automation applications.

There are few industrial markets undergoing a more rapid change and experiencing the impact of technological innovation, than the automotive sector. Whether it be ADAS, electric vehicles, V2V and V2X, power train, or battery management, applications for electronics technology within the humble car know no bounds. 

The LMR36506 is the industry’s smallest 65V, 0.6A synchronous step-down DC/DC converter in 2x2mm HotRod package. This robust and highly reliable converter can handle input voltage transients up to 70 V, provide excellent EMI performance and support fixed 3.3 V and other adjustable output voltages. 

The LM1117 is a low dropout voltage regulator with a dropout of 1.2V at 800mA of load current. The LM1117 is available in an adjustable version, which can set the output voltage from 1.25-13.8V with only two external resistors. In addition, it is available in five fixed voltages, 1.8, 2.5, 3.3 and 5V. The product offers current limiting and thermal shutdown. Its circuit includes a Zener trimmed bandgap reference to assure output voltage...

MIOTY is a low-power, wide-area network (LPWAN) protocol that was designed to have the best-in-class reliability and scalability of all available technologies in order to support industrial and commercial IoT deployments.

This reference design is a simple, wearable, multi-parameter, patient monitor that uses a single-chip, biosensing front end, the AFE4900 device, for synchronized electrocardiography (ECG) and photoplethysmography (PPG) measurements. The measured data is transferred to a remote location using the CC2640R2F device (supporting BLE 4.2 and 5). 

This reference design implements Class 0.5 single-phase energy measurement using standalone multi-channel analog-to-digital converters (ADC) to sample a shunt current sensor. With the combination of the shunt sensor and a compact magnetically immune power supply, the design provides protection against magnetic tampering attacks.

The TPS546D24A is a highly integrated, non-isolated DC/DC converter capable of high frequency operation and 40A current output from a 7-mm × 5-mm package. Two, three, and four TPS546D24A devices can be interconnected to provide up to 160 A on a single output. The device has an option to overdrive the internal 5-V LDO with an external 5-V supply via the VDD5 pin to improve efficiency and reduce power dissipation of the converter.

This reference design enables a wearable, optimized saturation of peripheral capillary oxygen (SpO2) and multi-sensor, multi-wavelength optical heart rate monitor (HRM). It uses AFE4420 device, which is a single-chip, bio-sensing front end for photoplethysmography (PPG) measurements. It supports up to four switching light-emitting diodes (LEDs) and up to four photodiodes to enable signal acquisition of up to 16 Phases. 

This reference design features multiple approaches for protecting AC or DC analog input, DC analog output, AC or DC binary input, digital output with a high side or low side driver, LCD bias supply, USB interfaces (power and data) and onboard power supplies with 24, 12 or 5V input used in multiple grid applications.  

CLLLC resonant DAB with bidirectional power flow capability and soft switching characteristics is an ideal candidate for Hybrid Electric Vehicle/Electric Vehicle (HEV/EV) on-board chargers and energy storage applications. This design illustrates control of this power topology using a C2000 MCU in closed voltage and closed current-loop mode. The hardware and software available with this design help accelerate.

Power management is integral to business strategy at Texas Instruments (TI), and the company is pushing significant investment towards GaN technology (gallium nitride), which has huge potential to make a difference to how industrial and other applications are going to function in the future.