Simplicity 4807 Scheda Tecnica

Freescale SemiconductorApplication Note© 2013 Freescale Semiconductor, Inc. All rights reserved. 1 OverviewVybrid controller solutions are built on th

Vybrid Power Consumption and Options, Rev. 010 Freescale Semiconductor Powering optionsFigure 3. Vybrid power supply block diagram8.2 Power optionsThe

Vybrid Power Consumption and Options, Rev. 0Freescale Semiconductor 11 Powering options• External DC/DC converter8.3 External ballast transistor power

Vybrid Power Consumption and Options, Rev. 012 Freescale Semiconductor Powering optionsThe core power is: Total power on LDO with external ballast tra

Vybrid Power Consumption and Options, Rev. 0Freescale Semiconductor 13 Powering optionsFigure 5. External ballast transistor powered from VSDRAMThe bl

Vybrid Power Consumption and Options, Rev. 014 Freescale Semiconductor Powering optionsSuch power efficiency is due to the voltage drop on the transis

Vybrid Power Consumption and Options, Rev. 0Freescale Semiconductor 15 Powering optionsFigure 6. External DC/DC converterThe block scheme of the power

Vybrid Power Consumption and Options, Rev. 016 Freescale Semiconductor Powering options5. Run the extensive part of the code, which requires more curr

Vybrid Power Consumption and Options, Rev. 0Freescale Semiconductor 17 Ballast transistor selectionThe complete Vybrid Reset/Boot sequence waveform is

Vybrid Power Consumption and Options, Rev. 018 Freescale Semiconductor Ballast transistor selection9.1 Ballast transistor examplesThere exist many sui

Vybrid Power Consumption and Options, Rev. 0Freescale Semiconductor 19 ConclusionAs demonstrated by measured data, it is possible to power the ballast

Vybrid Power Consumption and Options, Rev. 02 Freescale Semiconductor Power use casesMHz; ARM or Thumb mode (32- or 16 bit instructions)— Cortex-M4 co

Document Number: AN4807Rev. 010/2013Information in this document is provided solely to enable system and software implementers to use Freescale produc

Vybrid Power Consumption and Options, Rev. 0Freescale Semiconductor 3 Working setFigure 1. Current measuring workstationThe workstation is comprised o

Vybrid Power Consumption and Options, Rev. 04 Freescale Semiconductor Working setFigure 2. The current measuring points on Vybrid tower module

Vybrid Power Consumption and Options, Rev. 0Freescale Semiconductor 5 Vybrid power consumptionMeasuring points are captured in the schematic in Table

Vybrid Power Consumption and Options, Rev. 06 Freescale Semiconductor Power consumption in selected use casesEstimated currents:• For 25°C and 100% ut

Vybrid Power Consumption and Options, Rev. 0Freescale Semiconductor 7 Power consumption in special cases6.3 OOBE demoOOBE demo - Dual core on LINUX an

Vybrid Power Consumption and Options, Rev. 08 Freescale Semiconductor Power consumption in special cases7.1 Consumption depending on Code placementHel

Vybrid Power Consumption and Options, Rev. 0Freescale Semiconductor 9 Powering options8 Powering optionsLDO or DC/DC converters can be used. The corre