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Power Newsletter

10th January, 2020
 
 

Synchronous step-down converter with I2C interface

The TPS62864/6 devices from Texas Instruments are high-frequency synchronous step-down converters with I2C interface which provide an efficient, adaptive, and high power-density solution. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load to maintain high efficiency over the entire load current range.

Electronics – 30 years of smart evolution

REO UK has produced a new infographic reflecting key changes in the electronic and electrical engineering sectors over the last 30 years. The infographic charts significant developments in a continuing electronic evolution that’s seen the rise of the Internet of Things (IoT), surgical robots, and electric vehicles (EVs).
 

 
 

USB Type-C DCP charge port converter with STB protection

The TPS2583x-Q1 from Texas Instruments is a USB Type-C and BC1.2 charging port controller that includes a synchronous DC/DC converter. With cable droop compensation, the VBUS voltage remains constant regardless of load current, ensuring connected portable devices are charged at optimal current and voltage.

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Synchronous step-down converter brings integrated MOSFETs

The LMR36520 regulator from Texas Instruments is an easy-to-use, synchronous, step-down DC/DC SIMPLE SWITCHER converter. With integrated high-side and low-side power MOSFETs, output current up to two amps is delivered over a wide input voltage range of 4.2 to 65V. The transient tolerance reduces the solution size and cost.

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Isolated gate drivers and EMI noise

 

In power electronics isolated gate drivers are used to drive power semiconductors like IGBTs and power MOSFETS. The gate drivers are used to provide galvanic isolation between the control circuits and the high voltages. As well as this, they are also used for level shifting to provide high gate voltage and current to switch the IGBT. 

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High efficiency power management IC adopted in AI products

Renesas has announced its ISL91301B PMIC is designed into the latest Google Coral products. They include the Mini PCIe Accelerator, M.2 Accelerator A+E Key, M.2 Accelerator B+M Key, and SoM. Google Coral integrates seamlessly into processes at any scale, helping designers create a variety of local AI solutions for several industries.

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High accuracy battery monitor for li-ion and li-polymer

The Texas Instruments BQ76952 is a highly integrated, high accuracy battery monitor and protector for 3-series to 16-series Li-Ion, Li-Polymer, and LiFePO4 battery packs. The device includes a high accuracy monitoring system, a highly configurable protection subsystem, and support for autonomous or host controlled cell balancing

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Tech Spotlight

SP Amp Current Shunt Monitor Single 26V 6-Pin SC-70 T/R

Comparator Single R-R I/P 5.5V 5-Pin SOT-23 T/R

TLC5941-Q1 Automotive Catalog 16 Channel LED Driver with Dot Correction and Grayscale PWM Control

Power Module 1.5A 28V Input 5V Output 3-Pin SIP Module Tray

 

Product Highlight

 
 
 
 
 
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