Tag: Modules

InTheMail Stats For 2020 – Voltlog #346

Welcome to a new voltlog, this is the annual review to present some stats on the number of orders and spending with regards to my activity. The InTheMail videos are my most popular videos so as you can imagine there is quite a bit of spending and orders placed behind the scenes. Same as last year, please let me know in the comments if you have any stats on your own purchases, I would love to get a feel for how everyone else is doing.

This year I’m not going to show any stats for ebay, I’ve stopped using ebay, I do most of my orders on aliexpress.com starting with 2020 and I also place a few orders on banggood.com. In fact I’ve also stopped placing links to ebay items in my mailbag videos because I don’t really use the platform anymore.

Voltlog #280 – TPS62840 olmBoard Ultra Low Power Step Down Converter

Welcome to a new Voltlog, in this video we are taking a look at the TPS62840 ultra low power step down converter from Texas Instruments. It’s basically a buck converter with an input voltage of 1.8-6.5V, 750mA output current, with a quiescent current of just 60nA and active current of just 120nA. It also features very good efficiency at light loads of just 1uA it can offer 80 percent efficiency.

Other features include 16 selectable output voltages through an external resistor and a stop pin which when activated will completely stop any switching to eliminate any switching noise for a short moment, allowing you to take for example an ultra low noise measurement during that time. During that take power will be sourced from the output capacitors. So it looks like this is a pretty interesting dc-dc converter, with really nice features and it’s optimized for ultra low power devices.

Voltlog #279 – InTheMail Stats For 2019

Welcome to a new Voltlog, as you may remember last year I did a summary of all the orders placed in 2018, related to electronics items, the stuff that I show in my InTheMail segment. I did that video because I was interested in knowing the numbers and how they evolve over time but the viewers responded as well, they provided feedback with their own approximate stats so this year I’m doing it again. Same as last year, please let me know in the comments if you have any stats on your own purchases.