Categories

Posts Tagged ‘Silicon Labs’

App note: Hand soldering tutorial for fine pitch QFP devices

Sunday, May 12th, 2019

No SMD tools removal and soldering of QFP packages tutorial from Silicon labs. Link here (PDF) This document is intended to help designers create their initial prototype systems using Silicon Lab's TQFP and LQFP devices where surface mount assembly equipment is not readily available. This application note assumes that the...

Tags: , ,
Posted in app notes | 4 Comments »

App note: Replacing traditional optocouplers with Si87xx digital isolators

Sunday, March 31st, 2019

Digital isolator from Silicon Labs app note shows pin compatible plus high performance replacment of incumbent optoisolators, link here (PDF) Opto-couplers are a decades-old technology widely used for signal isolation, typically providing safety isolation, signal level shifting, and ground loop mitigation. They are commonly used in a wide range of...

Tags: , , ,
Posted in app notes | No Comments »

App note: Introduction to gapped clocks and PLLs

Sunday, March 31st, 2019

App note from Silicon Labs on the introduction of gapped clocks, how they can be used in network timing, and their impact upon phase locked loop (PLL) technology. Link here (PDF) Gapped clocks are periodic clock signals of a single clock frequency that have clock pulses removed from their stream....

Tags: , ,
Posted in app notes | No Comments »

App note: A simple alternative to analog isolation amplifiers

Sunday, December 16th, 2018

A linear isolation amplifier from Silicon Labs app note. Link here (PDF) Analog circuits sometimes require linear (analog) signal isolation for safety, signal level shifting, and/or ground loop elimination. Linear signal isolation is typically difficult to implement, costly, and often exhibits mediocre performance. While the design community thirsts for a...

Tags: , ,
Posted in app notes | No Comments »

App note: Using 8-Bit MCUs in 5 volt systems

Sunday, April 22nd, 2018

Integrating a low voltage 3V MCU EFM8 from Silicon Labs to 5 volt sytem. Link here (PDF) When using a 3 V device in a 5 V system, the user must consider: • A 3 V power supply must be provided. • A 5 V device driving a 3 V...

Tags: , ,
Posted in app notes | No Comments »

App note: High-speed lithium-ion battery charger

Sunday, April 22nd, 2018

C8051F300 implementation of Li-Ion battery charger from Silicon Labs. Link here (PDF) Driven by the need for untethered mobility and ease of use, many systems rely on rechargeable batteries as their primary power source. The battery charger is typically implemented using a fixedfunction IC to control the charging current/voltage profile....

Tags: , , ,
Posted in app notes | No Comments »

App note: Sub-1 V current sensing with the TS1001, A 0.8 V, 0.6 µA OP-AMP

Sunday, March 18th, 2018

Another TS1001 op-amp application from Silicon Labs on sensing nano currents. Link here (PDF) Current-sense amplifiers can monitor battery or solar cell currents, and are useful to estimate power capacity and remaining life. However, if the battery or solar source is a single cell, it’s difficult to find a low...

Tags: , , ,
Posted in app notes | No Comments »

App note: A microwatt charge pump boosts 1 V to 1.8 V at 90% efficiency, providing “Always On” standby power for microcontrollers

Sunday, March 18th, 2018

Interesting app note from Silicon Labs on high efficiency charge pump utilizing their nanopower TS1001 op amp. Link here (PDF) Boosting the output voltage of common alkaline button-cells to at least 1.8 V needed by microcontrollers provides an “always on” standby power source sufficient for low-power oscillator interrupt/sleep state operation....

Tags: , , ,
Posted in app notes | 2 Comments »

App note: Buried capacitive sensors for tamper protection

Sunday, October 29th, 2017

A short app note from Silicon Labs on burying pads to prevent snopping on keypads. Link here (PDF) An individual’s financial matters are increasingly electronic in nature and decreasingly interpersonal. As financial institutions replace human interaction with electronic interfaces such as ATMs, the need to make electronic circuits tamper-proof becomes...

Tags: , , ,
Posted in app notes | No Comments »

App note: Selecting a FET for use with the Si875x driver

Sunday, August 13th, 2017

Another application note from Silicon Labs on determining the proper FET used on their Si875x driver based on its application. Link here (PDF) The Si875x enables creating custom solid state relay (SSR) configurations. Supporting customer-selected external FETs, the Si875x combines robust isolation technology with a FET driver to form a...

Tags: , ,
Posted in app notes | No Comments »

App note: Driving MOSFET and IGBT switches using the Si828x

Sunday, August 13th, 2017

App note from Silicon Labs on their MOSFET and IGBT driver Si828x and how to determining its external components to achieve optimized performance. Link here (PDF) The Si828x products integrate isolation, gate drivers, fault detection protection, and operational indicators into one package to drive IGBTs and MOSFETs as well as...

Tags: , ,
Posted in app notes | No Comments »

App note: Power supply rejection for low-jitter clocks

Sunday, May 14th, 2017

Method of rejecting noises from power supply, an app note from Silicon Labs. Link here (PDF) Hardware designers are routinely challenged to increase functional density while shrinking the overall PCB footprint of each new design. One significant challenge is minimizing clock jitter through careful board design while meeting the design's...

Tags: , ,
Posted in app notes | 1 Comment »

App note: Safety considerations and layout recommendations for digital isolators

Sunday, April 23rd, 2017

Application note from Silicon Labs about end user safety against high voltage shock that are designed together with digital isolators. Link here (PDF) This application note details the creepage and clearance requirements of an isolator type component, such as a digital isolator, used to provide protection from electric shock. It...

Tags: , , ,
Posted in app notes | 1 Comment »

App note: Redefining a new state-of-the-art in microampere current-sense amplifiers

Sunday, January 8th, 2017

Silicon Lab's TS1100 and TS1101 current sense amplifier's features discussed in this app note. Link here (PDF) Sensing and controlling supply current flow are a fundamental requirement in most all electronic systems from battery-operated, portable equipment to mobile or fixed-platform power management and dc motor control. High-side current-sense amplifiers (or...

Tags: , ,
Posted in app notes | 1 Comment »

App note: High-speed level shifting using Si8XXX isolators

Sunday, September 18th, 2016

Silicon Lab's Si86xx which provides digital isolation and voltage level shifting while Si823x as ISOdrivers, Link here (PDF) Voltage level shifting is common in analog and mixed-signal system applications. While several technologies implement level shifting (e.g., HVIC processes, discrete circuits, dedicated level shifting ICs), recent advances in CMOS isolation technology...

Tags: , , ,
Posted in app notes | No Comments »

App note: Novel current-sense measurement with automatic offset correction

Sunday, September 18th, 2016

Silicon Labs' application note about a low power current measurement circuit using TS1001 nano power op-amp paired with low-power CY8C38 microcontroller, Link here (PDF) Pairing a simple circuit using nanopower analog op amps with a microcontroller can monitor single battery cells and solar harvesters. Pairing up a 0.65 V/1 µA...

Tags: , ,
Posted in app notes | No Comments »

App note: Alkaline battery low-voltage indicator

Sunday, June 12th, 2016

Battery low-voltage indicator made from two new comparators TSM9118 and TMS9119 from Silicon Labs. Link here (PDF) In many battery-powered systems, a user would like to know when it is time to replace the batteries before they are completely discharged, causing the device being powered to fail completely. Alkaline batteries...

Tags: , ,
Posted in app notes | 1 Comment »

App note: EFM32 Energy Modes

Sunday, April 17th, 2016

Application note from Silicon Labs on their EFM32 energy saving microcontrollers, some interesting points are discussed how these type of microcontrollers can conserve power. Link here (PDF) In battery powered microcontroller applications, energy saving is essential. By reducing the current consumption, the mean time between battery charging / replacement can be...

Tags: , ,
Posted in app notes | No Comments »

App note: A microwatt charge pump boosts 1 V to 1.8 V at 90% efficiency, providing “Always On” standby power for microcontrollers

Sunday, December 20th, 2015

Silicon Labs' app note featuring low power boost for microcontrollers. Link here (PDF) Boosting the output voltage of common alkaline button-cells to at least 1.8 V needed by microcontrollers provides an “always on” standby power source sufficient for low-power oscillator interrupt/sleep state operation. Two ultralow power op amps are used...

Tags: , ,
Posted in app notes | 4 Comments »

App note: Designer’s guide for the Si114x

Sunday, July 26th, 2015

Si114x proximity sensors from Silicon Labs design guide. Link here This application note provides an outline for using the Si114x proximity detector and ambient-light sensor. General considerations of electrical and optical component selection, programming, and power consumption are explained so as to cover the majority of situations.

Tags: , ,
Posted in app notes | No Comments »

Next Page »

Recent Comments

  • gant: They still have a couple of the more expensive (but still considerably cheap) 5S-I-S01 in stock...
  • readybrek: Anyone got a any recommendations for a budget-priced hot air station?
  • William: lol I'm happy to waste 3c for each program/debug cycle... but probably not the time spent soldering a new device down to a proto board!...
  • Joe Desbonnet: Ya, I can recommend the low melting point solder. I used brand 'ChipQuik' and it's amazingly easy to use.
  • Jerome: I need a new BusPirate for the Fablab ;) Many thanks!