2 Responses to “low voltage motor controller”

1. admin says:

   February 20 at 11:24 pm

   "Marcus" <no…@notme.com> wrote in
   news:13rs3im5qq61b1c@corp.supernews.com:
   

   > Any suggestions for a bidirectional motor controller ic – 3 volt dc
   > motors, up to 200ma or so? Thanks!

   http://www.national.com/pf/LM/LMH6672.html

   And probably cheaper and better:

   http://www.edn.com/archives/1996/091296/19di6.htm
   http://www.intersil.com/data/an/an1111.pdf

   You’ll need a split rail supply, or to put an op-amp on each motor terminal
   and drive them inversely so one sources when the other one sinks.
2. admin says:

   February 20 at 11:24 pm

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   Marcus wrote:
   > Any suggestions for a bidirectional motor controller ic – 3 volt dc motors,
   > up to 200ma or so? Thanks!

   The L293D is a TTL H-bridge which will just about work with 3 volts.

   - —
   Brendan Gillatt | GPG Key: 0xBF6A0D94
   brendan {a} brendangillatt (dot) co (dot) uk
   http://www.brendangillatt.co.uk
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