query: Simple circuit design : USB in | 4v out
positive_passages.docid: 7621
positive_passages.text: Reducing voltage with resistors
negative_passages.docid: 145553
negative_passages.text: 4-20mA to 0-3V3 Converter
negative_passages.docid: 61713
negative_passages.text: Simple capacitor use for buffering a battery?
negative_passages.docid: 80449
negative_passages.text: DIY 24v to 5v usb phone charger
negative_passages.docid: 3875
negative_passages.text: Designing an ABBA circuit (3 input, 2 output) inputs: (GND, +V, Logic)
negative_passages.docid: 156010
negative_passages.text: Using a diode to ensure current flows in only one direction, without causing a voltage drop
negative_passages.docid: 109569
negative_passages.text: Split power supply for a multiple op amp circuit
negative_passages.docid: 5863
negative_passages.text: Control LED using usb to parallel converter
negative_passages.docid: 22148
negative_passages.text: Kirchhoff's Voltage Law for AC circuits
negative_passages.docid: 141867
negative_passages.text: How does a USB 2.0 Wall Charger negotiate current output?
negative_passages.docid: 23815
negative_passages.text: switch between battery and usb power no microcontroller circuit
negative_passages.docid: 127235
negative_passages.text: Dynamic Braking resistor chopper circuit
negative_passages.docid: 142221
negative_passages.text: What is the ideal way to handle data pins D+ and D- on a USB power adapter to be compatible with fast charging on devices?
negative_passages.docid: 128474
negative_passages.text: Single supply op amp to convert 0-5VDC to +/-2VDC (microcontroller to line level)
negative_passages.docid: 129553
negative_passages.text: 5V to 3.3V Level shifting circuit
negative_passages.docid: 78045
negative_passages.text: Practical current limit for TO-220 package
negative_passages.docid: 135049
negative_passages.text: Is it safe, or even possible, to draw more power from a USB port than it was designed to provide