AS3729-BWLM ams

AS3729 5A Power Stage The AS3729 is a companion power stage, intended to be used General Description with AS372x products. It cannot be used without a DCDC controller. It contains the power FETs for 2 phases and is capable to handle output currents of 2.5A per phase. Ordering Information and Content Guide appear at end of datasheet. Key Benefits & Features The benefits and features of AS3729, 5A Power Stage are listed below: Figure 1: Added Value of Using AS3729 Benefits Features Support for single or dual phase operation 2 phases with separate control input Separate power NMOS & PMOS for 2.5A per phase 2 x 2.5A output stages are running on 3MHz Separate coil current feedback per phase Stand-alone zero-crossing operation Over-temperature protection Integrated temperature monitoring Cost effective, small package 16-pin WL-CSP: 1.615mm x 1.615mm, 0.4mm pitch Applications The device is a high current dual-phase DCDC and ideal for: Mobile phones Tablets Notebooks ams Datasheet Page 1 v1-24 2015-Aug-13 Document FeedbackBlock Diagram The functional blocks of this device for reference are shown below: Figure 2: AS3729 Block Diagram AS3729 Block Diagram: This figure shows the block diagram of the DCDC controller inside the Main PMIC and the AS3729 Power Stage with all relevant system components. Page 2 ams Datasheet Document Feedback v1-24 2015-Aug-13