He made 20 appeearances for the Iron, scoring his only goal during the 2-2 draw with Barnsley on Boxing Day. He was also sent off twice
The Addicks are expected to play him in their FA Cup third round tie against Championship leaders West Bromwich Albion on Saturday - the match will be his first-team debut for the Addicks.
Scunthorpe insist they are 'hopeful' of signing him after the weekend - either on loan until the end of the season or permanently.