X729-hardware

Overview

Power Jack and Connectors

X729 supports wide voltage input 6V-24V

Power input	Wide voltage DC 6V-24V ,≥3A
DC Power Plug Size	5.5*2.1mm
UPS power output	5.1Vdc Max. 6A
Power output connector	XH2.54mm 2pin

Pins and GPIO used

Pin No.	Usage
2, 4	+5V power supply
6	Ground
29	GPIO5 for power management
32	GPIO12 for power management
37	GPIO26 for power management
33	GPIO13 for PWM fan speed control
36	GPIO16 for PWM fan speed reading
31	GPIO6 for AC power loss detection
38	GPIO20 for buzzer control

Connector for External Power Switch

Pin No.	Pin Description
1	Power on/off control connecting to switch
2	Ground
3	Ground
4	LED+ for power on, rebooting and shutdown

1. Please use momentary switch only and don't use latching switch
2. Connector - Pitch 2.0mm 4pos

PCB dimention

• X729 Dimensions source file (DXF): File:X729-PCB-v1.dxf - You can view it with Autodesk Viewer online

18650 battery dimension

Do not use 18650 battery with built-in protection circuit

Battery Recommend for X729 board, please refer to: File:NCR18650B.pdf

Return to X729 or X729-Software

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Anonymous user #1

16 months ago

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How is it possible to connect a external battery?

what specifications has "external battery"? (2-li-io cells in order or in parallel?)

will "external battery" be loaded via WideDC? with 3.000mA?

will "external battery" be checked for status (full, 50%, almost empty) and then reported via script?

is it possible to build an external battery myself? or are ic chips needed to ...do some stuff "inside" the "external battery"?

looking forward for a reply!

simon

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Walker

16 months ago

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Hello, X729 can connect an external battery through the 4 positions in the figure, and the battery structure is parallel connection

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Harry

16 months ago

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Hi,

what specifications has "external battery"? (2-li-io cells in order or in parallel?)

==Normal 18650 battery

will "external battery" be loaded via WideDC? with 3.000mA? ==Of course, the external battery is charged also via wide range DC.

will "external battery" be checked for status (full, 50%, almost empty) and then reported via script?

==Of course.

is it possible to build an external battery myself? or are ic chips needed to ...do some stuff "inside" the "external battery"?

==Normal 18650 battery. I don't think you have to go DIY batteries yourself.

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