Advice required for simple Laptop Power Supply ID-Sense circuit | Electronics Forum (Circuits, Projects and Microcontrollers)
![power supply - Does laptop charger wastes electric current when not connected to the laptop? - Super User power supply - Does laptop charger wastes electric current when not connected to the laptop? - Super User](https://i.stack.imgur.com/rEdOn.png)
power supply - Does laptop charger wastes electric current when not connected to the laptop? - Super User
Why, all of a sudden, did my laptop charger stop working? The wall outlet seems fine but the adaptor in between doesn't seem to receive any power because the adapter has a
Why, all of a sudden, did my laptop charger stop working? The wall outlet seems fine but the adaptor in between doesn't seem to receive any power because the adapter has a
![Step-Up DC-DC Converter Circuit for Laptop Charger/Adapter, Convert 12V(9-14) to 19V(16-21V) – Deeptronic Step-Up DC-DC Converter Circuit for Laptop Charger/Adapter, Convert 12V(9-14) to 19V(16-21V) – Deeptronic](https://www.deeptronic.com/wp-content/uploads/2014/05/hamuro-step-up-dc-converter-12v-19V-for-laptop-circuit-schematic-diagram.jpg)
Step-Up DC-DC Converter Circuit for Laptop Charger/Adapter, Convert 12V(9-14) to 19V(16-21V) – Deeptronic
![Laptop battery charger circuit composed of BQ24700 - Power_Supply_Circuit - Circuit Diagram - SeekIC.com Laptop battery charger circuit composed of BQ24700 - Power_Supply_Circuit - Circuit Diagram - SeekIC.com](http://www.seekic.com/uploadfile/ic-circuit/201159223727277.gif)