Toni López's Voltage Regulators for Next Generation Microprocessors PDF

By Toni López

ISBN-10: 1441975594

ISBN-13: 9781441975591

Voltage Regulators for subsequent iteration Microprocessors through: Toni López Reinhold Elferich Eduard Alarcón This publication bargains with strength supply demanding situations of the ability processing unit of contemporary computing device microprocessors. It describes intimately the implications of present traits in miniaturization and clock frequency elevate, upon the facility supply unit, often called voltage regulator. this can be a useful reference for anyone wanting to appreciate the most important functionality obstacles and possibilities for development, from either a circuit and platforms viewpoint, of cutting-edge strength recommendations for subsequent new release CPUs. •Provides a complete survey of the cutting-edge in power supply for the ability processing unit of recent microprocessors; •Describes intimately key technological advancements required to satisfy the recent load necessities; •Explains from either a circuit and structures viewpoint the major functionality obstacles and possibilities for development of state of the art strength solutions.

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In order to achieve the best trade-off between BVDSS and RDS(on)sp, other alternative cost-effective trench structures [130] employ a relatively thick gate oxide at the bottom of the trench and reduced drift region, thereby allowing the reduction of both gate-drain charge QGD and RDSon for the same BVDSS capability. Some of these trench structures have proven to produce RDS(on)sp values around 12 mΩ·mm2, which compare competitively with the more complex RESURF devices [133, 134]. Another alternative device structure known as the NexFET™ [131–132] adopts a hybrid approach between lateral and trench MOSFETs.

Some of these recent innovation efforts have resulted in power semiconductor integrated modules referred to as DrMOS [82]. The different requirements needed to enable DrMOS have been specified by Intel® for effective implementation in PC platforms. The aim of this specification is to enable features that are necessary to develop an integrated system such that inter-operability between various devices and controllers is feasible. Further details of DrMOS will be provided in Sect. 8. 2 Basic Circuit Topology Because of the imperative need of high efficient energy conversion, modern microprocessor VRs are switched mode power supply (SMPS) based [88].

In order for these to be considered, more complex circuit models and new FoM may need to be established and evaluated as Fs moves into the MHz range. The new tools may need to be compatible with a co-design approach, where the two perspectives of circuit and device physics are brought together in the development process flow. Also, for the level of accuracy required, the issues related to high computation power and long simulation times may have to be addressed so as to generate stable simulated results within reasonable times.

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Voltage Regulators for Next Generation Microprocessors by Toni López


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