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NXQ1TXA6
NXP Semiconductors NXQ1TXA6 Manuals
Manuals and User Guides for NXP Semiconductors NXQ1TXA6. We have
1
NXP Semiconductors NXQ1TXA6 manual available for free PDF download: Application Note
NXP Semiconductors NXQ1TXA6 Application Note (54 pages)
Evaluation Board
Brand:
NXP Semiconductors
| Category:
Microcontrollers
| Size: 4 MB
Table of Contents
1 Introduction
3
2 Scope
4
3 Getting Started
5
Package Contents
5
Main Features
6
System Efficiency
6
Board Overview
6
Stand-By Power Mode Switch
8
Reset Button
8
Foreign Object Detection Button
8
Status LED
9
NFC Functionality
9
4 NXP Product Offering
10
5 System Overview
11
NXQ1TXA6 Charging Controller
13
Half Bridge Driver
13
Amplitude-Shift Keying (ASK) Envelope Demodulator
13
Universal Mains Adapter
13
Current Measurement
14
Bandgap Reference Voltage
14
DC-To-DC Converter
14
Near Field Communication (NFC) Zero Power in Standby Mode
14
6 Schematics and Bill of Materials
15
Schematics
16
Bill of Materials
21
7 Critical Components
28
Power Stage
28
Capacitor in LC Tank Circuit
28
Half-Bridge Driver and Mosfets
28
Capacitor Snubber Circuits
29
Current Sense Resistor
29
Amplitude-Shift Keying Envelope Detector
30
Configuration and Voltage Measurement Circuits
30
Thermal Protection
31
NFC Antenna Tuning Capacitor
32
8 PCB Layout Guidelines
33
Ground Planes
33
NXQ1TXA6 Charging Controller
33
Power Stage
35
DC-To-DC Converter
36
Current Sensing Layout Technique
36
EMC Common Mode Filter
37
Summary
38
9 Waveforms
39
Power Stage
39
ASK Waveforms
42
Digital Ping
43
NFC Tap to Power on
44
10 PCB Layout
45
11 Conclusion
51
12 Legal Information
52
Definitions
52
Disclaimers
52
Trademarks
52
13 Tables
53
14 Figures
53
15 Contents
54
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