# RCM5600W interfacing board power supply

**URL:** <https://forums.digi.com/t/rcm5600w-interfacing-board-power-supply/9601>\
**Category:** Rabbit\
**Created:** [December 20, 2010, 2:06pm UTC](https://forums.digi.com/t/rcm5600w-interfacing-board-power-supply/9601 "2010-12-20T14:06:03Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Oscar](https://avatars.discourse-cdn.com/v4/letter/o/22d042/32.png) [@Oscar](https://forums.digi.com/u/Oscar)\
**Post date:** [December 20, 2010, 2:06pm UTC](https://forums.digi.com/t/rcm5600w-interfacing-board-power-supply/9601/1 "2010-12-20T14:06:03Z")

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I have recently purchased a RCM5600W development kit and i was pleased to know if it is possible to use a 10V battery directly with the RCM5600W interfacing board (through the built in LD29150DT33 regukator)?

Thanks in advance.

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**Author:** ![edha](https://avatars.discourse-cdn.com/v4/letter/e/ecccb3/32.png) [@edha](https://forums.digi.com/u/edha)\
**Post date:** [January 3, 2014, 10:51pm UTC](https://forums.digi.com/t/rcm5600w-interfacing-board-power-supply/9601/2 "2014-01-03T22:51:38Z")

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Look at [LD29150DT33 datasheet](http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/CD00003403.pdf) on page 9, there is written that allowed input voltage is VI = 4.3 to 13 V

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**Author:** ![MargaretK](https://avatars.discourse-cdn.com/v4/letter/m/d9b06d/32.png) [@MargaretK](https://forums.digi.com/u/MargaretK)\
**Post date:** [January 20, 2014, 10:54am UTC](https://forums.digi.com/t/rcm5600w-interfacing-board-power-supply/9601/3 "2014-01-20T10:54:11Z")

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The RCM5600W/ RCM6600W requires a regulated 3.15 V – 3.45 V DC power source to operate. Depending on the amount of current required by the application, different regulators can be used to supply this voltage.  
The Interface Board has an onboard +3.3 V linear regulator. The Interface Board is protected against reverse polarity by a Shottky diode.  
See the User manual located at the following link:  
[http://www.digi.com/products/wireless-wired-embedded-solutions/solutions-on-module/rabbit-minicore/rcm5600w#docs](http://www.digi.com/products/wireless-wired-embedded-solutions/solutions-on-module/rabbit-minicore/rcm5600w#docs)

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**Author:** ![brucesutton](https://avatars.discourse-cdn.com/v4/letter/b/7cd45c/32.png) [@brucesutton](https://forums.digi.com/u/brucesutton)\
**Post date:** [January 21, 2014, 8:06am UTC](https://forums.digi.com/t/rcm5600w-interfacing-board-power-supply/9601/4 "2014-01-21T08:06:32Z")

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I appreciate the work of all people who share information with others. Great forum.