com P r o d u c t IIn rr oo m nn no ovva a t i o n FF m SA53 SA53 DESCRIPTION The SA53 is a fully integrated switching amplifier designed primarily to drive DC brush motors.
Two independent half bridges provide over 10 amperes peak output current under microcontroller or DSC control.
Thermal and short circuit monitoring is provided, which generates fault signals for the microcontroller to take appropriate action.
A block diagram is provided in Figure 1.
Additionally, cycle-by-cycle current limit offers user programmable hardware protection independent of the microcontroller.
Output current is measured using an innovative low loss technique.
The SA53 is built using a multi-t...

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