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==X735 Power Management Board==
[[File:X735 280p1.jpg|right|300px]]
[[File:X735 280p2.jpg|right|300px]]
[[File:X735 280p3.jpg|right|300px]]


==Descrition==
The X735 is a multifunctional expansion board for all current models of the Raspberry Pi using a 40-pin header.<br>
It provides intelligent and safe power management, safe shutdown and full poweroff through software, <br>
an automatic temperature controlled fan which enables the use of the Raspberry Pi in extreme conditions<br>
including very high temperature environments.<br>
The X735 also reserves the 40-pin header that can be stacked with other Raspberry Pi accessory boards for enhanced applications. <br>
* FOR USE WITH
<pre>Raspberry Pi 1 Model B+/ 2 Model B / 3 Model B / 3 Model B+ / 3 Model A+</pre>
* OPERATING SYSTEM
<pre>
Raspbian Stretch
Safe shutdown function tested for Raspbian, other operating systems to be tested and advised
</pre>
==Features==
* Intelligent and safe power management
* Equipped with both momentary button and latching switch for easy power control
* Press the momentary button to turn on
* Press the momentary button and hold for 1~2seconds to reboot
* Press the momentary button and hold for 3~7seconds to implement safe shutdown
* Press the momentary button and hold for >8seconds to force shutdown
* Supports safe shutdown and full poweroff through software
* On-board switch convenient to select latching or momentary power control switches
* Press the latching power switch once to turn on and again to implement safe shutdown
* On-board LED shows the status of power on, reboot and shutdown
* On-board PH2.0 connectors allows to use external latching switch or momentary button
* Powers the Raspberry Pi via the 40-pin header - no additional cabling required
* Allows power input via DC jack or Micro-USB socket or XH2.54 connector
* Allows power output via XH2.54 socket and or the 40-pin header
<b><font color=red>Note:</font></b><br>
* Dual trip point temperature controlled cooling fan
* Auto-Control the fan for Cooling / quiet Operation
* Board temperature ≤34C - Fan running at low speed
* Board temperature ≥34C - Fan running at medium speed
* Board temperature ≥45C - Fan running at full speed
* On-board LEDs show the status of fan running low and high
* No driver and additional setting required for the cooling fan
* Reserved 40-pin stackable Header for Add-On Boards
* Works with all current models of the Raspberry Pi using a 40 pin header
* On-board micro-USB socket for power input - No need to change the power adapter
* Fully compatible with X820, X850, X860, X870, X822, X852 to provide intelligent and safe power management
==Specifications==
* Power supply: 5.1Vdc +/-5%，2.5~4A
* Board size: 65 x 58mm
==Note==
* Full poweroff through software is not supported when using latching power switch
<b><font color=red>Do not apply power to your Raspbeery Pi via the Pi's  Micro-USB socket</font></b>
==Package Includes==
{| class="wikitable"
|-
! Product Name !! Quantity
|-
| X735 Power mgt Board || 1
|-
|2-Pin Power Connection Wire|| 1
|-
|Screw M2.5 *6mm || 8
|-
|Spacer F/F M2.5 *12mm|| 4
|-
|Spacer F/F M2.5 *12mm|| 4
|}
==Function Description==
[[File:X735 funciton description.png|left|800px]]
<br style="clear:both;">
==Gallery==
{|
|[[File:X735 280p1.jpg|left|320px]]
|[[File:X735 280p2.jpg|none|320px]]
|[[File:X735 280p3.jpg|none|320px]]
|}
{|
|[[File:X735 280p4.jpg|left|320px]]
|[[File:X735 280p5.jpg|none|320px]]
|[[File:X860 280p4.jpg|none|320px]]
|}
==Installation Guide==
===Power Jack, power input and power output===
{| class="wikitable"
|-
| Power input || 5Vdc +/- 5% , 2.5~4A
|-
| DC Power Plug Size || 5.5*2.5mm
|-
| Micro USB power socket || Pin 1 - 5Vdc, Pin 5 - GND
|-
|Power input / output connector ||  XH2.54mm 2pin
|}
<pre>
1. X735 powers the Raspberry Pi via the 40-pin header (Pin 2 & 4)
2. Don't power the Raspberry Pi via the Pi's Micro USB socket
3. X735 can be powered via the onboard DC jack or Micro USB power socket or XH2.54 connector.
</pre>
===Select momentary power button or latching power switch===
{| class="wikitable"
|-
|Selector Switch pressed ||  Latching switch enabled, Momentary button disabled
|-
|Selector Switch released||  Latching switch disabled, Momentary button enabled
|}
<pre>Power adapter must be disconnected when selecting momentary button or latching switch.</pre>
===Connectors for External Power Switch===
{| class="wikitable"
|-
!Pin No.!! Pin Description
|-
|1|| Power on/off control connecting to switch
|-
| 2|| Ground
|-
| 3|| Ground
|-
| 4|| LED+ for power on, rebooting and shutdown
|}
<pre>Connector - Pitch 2.0mm 4pos</pre>
===Using momentary power button===
{| class="wikitable"
|-
|Press and Release|| Raspberry Pi and X735 turn on Power LED stays on
|-
|Press and hold for 1~2 seconds|| System rebooting Power LED Blinks rapidly
|-
|Press and hold for 3~7 seconds ||System shutting down Power LED Blinks slowly
|-
|Press and hold for >8 seconds || Force shutdown
|}
<b><font color=red>*Script for power control installed</font></b><br>
===Using latching power switch===
{| class="wikitable"
|-
|Switch pressed || Raspberry Pi and X735 turning on The PWR LED stays on
|-
|Switch released (Script for power control installed)|| System shutting down and the PWR LED blinking slowly
|-
|Switch released(Script for power control not installed)|| The PWR LED stays on and will force shutdown after 8 seconds
|}
<pre>The onboard latching power switch should not be pressed when using an external latching switch.</pre>
===Pins and GPIO used===
{| class="wikitable"
|-
|Pin No.|| Usage
|-
|2, 4 || +5V power supply
|-
|6 || Ground
|-
|7|| GPIO4 for power management
|-
|11|| GPIO17 for power management
|-
|12|| GPIO18 for power management
|}
===Board Assembly===
<pre>Push a screws (M2.5*6mm) up through the mounting hole on the underside of the Raspberry Pi.</pre>
[[File:Rpi-430p3.jpg|500px|left]]
<br style="clear:both;">
<pre>Screw the spacer (M2.5*12mm) down until it is hand tight</pre>
[[File:Rpi-430p1.jpg|500px|left]]
<br style="clear:both;">
<pre>Plugs the X735 board straight into your Raspberry Pi B+'s GPIO header and screw down (M2.5*6mm)</pre>
[[File:X735 280p1.jpg|500px|left]]
<br style="clear:both;">
<pre>Optional -To use with X820/X850/X822/X852/X860/X870
a) Unscrew 4 screws on the topside of Raspberry pi
b) Screw the M/F spacer (M2.5*12 / M2.5*20) down until it is hand tight</pre>
[[File:X720 430p7.jpg|500px|left]]
<br style="clear:both;">
<pre>Plugs the X735 straight into your Raspberry Pi's GPIO header and screw down (M2.5*6mm)</pre>
[[File:X870_430p5.jpg|500px|left]]
<br style="clear:both;">
<pre>Connect the 2-pin power connection wire from the 5V connector on X735 to X820/X850/X822/X852/X860/X870 </pre>
<b><font color=red>Power adapter must be connected to power management board only , not X860 and Raspberry Pi</font></b>
[[File:X720_430p7.jpg|500px|left]]
<br style="clear:both;">
=== Software Guide ===
[[File:RaspbianNew.jpg|left|300px]]
<br style="clear:both;">
*[ Download: | https://www.raspberrypi.org/downloads/raspbian/]
* Download the required script
<pre>pi@raspberrypi ~ $  wget https://raw.githubusercontent.com/suptronics/X730-script/master/x730.sh</pre>
* Install the script
<pre>pi@raspberrypi ~ $  sudo bash x730.sh</pre>
* Setting up the command to turn off X720 from software
<pre>pi@raspberrypi ~ $  printf "%s\n" "alias x730off='sudo x730shutdown.sh'" >> ~/.bashrc</pre>
* Reboot the Raspberry Pi
<pre>pi@raspberrypi ~ $  sudo reboot</pre>
* Powering off the Raspberry Pi from software
<pre>pi@raspberrypi ~ $  x730off </pre>
==FAQ==
* Q: Is it compatible with X870?
  A: Yes, it is.
==Keywords==
* X735,  Raspberry Pi ，Power Management Board，Intelligent and safe power management

Latest revision as of 12:18, 4 August 2026

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