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For Raspberry Pi 5/4B/3B+/3B, X735 V3.0 DC 6V-30V Safe Shutdown Power Management & PWM Cooling Expansion Board

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Item: Only X735 V3.0 Board
  • Description
  • Manual
  • Shipping Policy
  • Reviews

Foreword:

X735 v1.0 was released in April 2019. It is designed based on Raspberry Pi 3 and has undergone several upgrades. The current version on sale is V3.0. After our test, X735 V3.0 can still work based on Raspberry Pi 5. If you need to use it on Raspberry Pi 5, it is recommended that you power X735 v3.0 through DC Jack. It is recommended to use a 12V 3A or 12V 5A to obtain a stable 5A output capacity. If you are powering the X735 via Type-C or Micro USB, the X735's power supply capacity is entirely dependent on the power adapter used. For example, if you use a Raspberry Pi 5 PD27W power supply, the X735 will be able to provide enough current output for the Raspberry Pi 5 to 5A.

If you are using it on Raspberry Pi 5 hardware and you know that the X735 can output enough power to 5A, then you need to run the following command in the Raspberry Pi bookworm OS to suppress the 'This power supply is not capable of supplying 5A' message appear

sudo rpi-eeprom-config -e

Add PSU_MAX_CURRENT=5000 at the end of the file, then press Ctrl-O, then enter, to write the change to the file, press Ctrl-X to exit nano (the editor), then reboot the Raspberry pi 5

All version:
There are 5 version of X735: V1.0, V2.0, V2.1, V2.5 V3.0:

Version 3.0(Updated on March, 2022):

Some new features of X735 V3.0:

  • Support width voltage DC 6V-30V input (only DC port), you still can use 5V PSU via Type-C or Micro USB port. the DC connector is changed from DC5525 to DC5521
  • Remove the latching switch connector(the latching switch is no longer supported and replaced by a XH2.54 5V OUT connector;
  • Replace the L-SW jumper with FAN FS jumper to control the PWM fan;(Because we found that there are some beginner who don't know how to install the script to make the PWM fan run, or the installation script doesn't support 3rd party OS, at this time, you just need to remove the FAN FS jumper, the PWM fan will run at full speed.)

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Overview
The X735 is a multifunctional expansion board for all current models of the Raspberry Pi using a 40-pin header. It provides intelligent and safe power management, safe shutdown and full poweroff through software, an automatic temperature controlled fan which enables the use of the Raspberry Pi in extreme conditions including very high temperature environments. The X735 also reserves the 40-pin header that can be stacked with other Raspberry Pi accessory boards for enhanced applications.

User Manual: wiki.geekworm.com/X735

Notes:

  1. You must install shell script to enable the PWM fan work since it's a PWM fan, refer to X735 Software on wiki page.
  2. Do not apply power to X735 via Type-C or Micro-USB and via DC 5521 Jack 6-30V at the same time!!!
  3. Do not apply power to your Raspberry Pi via the Pi's Micro-USB or Type C socket; Pls apply power to X735.
  4. When use X735 V2.5/V3.0 with X835/X832, please DO NOT power from X735, please power via X835/X832 DC 12V IN PORT!!!
  5. For the safe shutdown script , please refer to: wiki.geekworm.com/X735#Document

Key Features

  • For Use With: Raspberry Pi 5/Raspberry Pi 4B/3B+/3B/2B/3A+
  • Operating System: Raspbian Stretch
  • Safe shutdown function tested  For Raspbian / RetroPie / Twister OS v2.0.2; For DietPi; For Volumio 3; For Ubuntu Server; For myNode OS and Umbrel


Intelligent and safe power management

  • Equipped with both momentary button 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
  • Onboard LED shows the status of power on, reboot and shutdown
  • Onboard PH2.0 connectors allows to use external momentary button for X735 V3.0
  • Powers the Raspberry Pi via the 40pin header no additional cabling required
  • Allows power input via DC jack or MicroUSB socket or XH2.54 connector
  • Allows power output via XH2.54 socket and or the 40pin header

    Others

    • Reserved 40pin stackable Header for AddOn Boards
    • Works with all current models of the Raspberry Pi using a 40 pin header
    • Onboard microUSB socket for power input No need to change the power adapter
    • Fully compatible with our products X825,X883,X862,X857,X873/X872, X855, X820, X850, X860, X870, X822, X852 to provide intelligent and safe power management

    Specification

    • Via DC 5521 port 6-32V of X735 V3.0;  5V dc via Type-C port or Micro USB port of X735 V3.0
    • Board size: 65 x 58mm

    Match Metal Case

    • The X728-C1 case is only support the installation of Raspberry Pi 4 and X735 board, does not support X825/X862/X857. 

    Packing List

    Only X735 V3.0 Board

    • 1 x X735 V3.0 Board
    • 8 x Screw M2.5*6
    • 4 x Spacer F/M M2.5*12+6
    • 4 x Spacer F/F M2.5*12

    X735 V3.0 Board+ Momentary Switch

    • 1 x X735 V3.0 Board with Accessories
    • 1 x Momentary switch

    Refer to: https://wiki.geekworm.com/X735

    Please email to us at info@geekworm.com if you have other questions.

    We send orders to worldwide with tracking number.

    For detail refer to Shipping Policy

    Customer Reviews

    Based on 1 review
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    (1)
    k
    ken sale
    Not great

    Couldn't power my 10" screen via USB on the raspberry pi 5 when using the this power board.
    The screen works fine if I power the pi directly to the pi board.

    Thanks for your supports.

    Let me explain to your review of x735.

    X735 v1.0 was released in April 2019. It is designed based on Raspberry Pi 3 and has undergone several upgrades. The current version on sale is V3.0. After our test, X735 V3.0 can still work based on Raspberry Pi 5. If you need to use it on Raspberry Pi 5, it is recommended that you power X735 v3.0 through DC Jack. It is recommended to use a 12V 3A or 12V 5A to obtain a stable 5A output capacity. If you are powering the X735 via Type-C or Micro USB, the X735's power supply capacity is entirely dependent on the power adapter used. For example, if you use a Raspberry Pi 5 PD27W power supply, the X735 will be able to provide enough current output for the Raspberry Pi 5 to 5A.

    If you are using it on Raspberry Pi 5 hardware and you know that the X735 can output enough power to 5A, then you need to run the following command in the Raspberry Pi bookworm OS to suppress the 'This power supply is not capable of supplying 5A' message appear

    sudo rpi-eeprom-config -e
    Add PSU_MAX_CURRENT=5000 at the end of the file, then press Ctrl-O, then enter, to write the change to the file, press Ctrl-X to exit nano (the editor), then reboot the Raspberry pi 5

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