Wavecom Gx64 Application Note page 4

3.7 VRTC AND ALARM ...................................................................................................... 22
3.7.1 USING ALARM AS PERIODIC POWER ON ............................................................. 22
4 Reference Designs ................................................................................ 24
4.1 DISCLAIMER ................................................................................................................ 24
4.2 DC/DC POWER SUPPLY ................................................................................................ 24
4.2.1 BILL OF MATERIAL ............................................................................................ 24
4.3 AC/DC POWER SUPPLY ................................................................................................ 25
4.3.1 SPECIFICATIONS ............................................................................................... 25
4.3.2 DESIGN SUMMARY............................................................................................ 25
4.3.3 BILL OF MATERIAL ............................................................................................ 27
Appendix A ................................................................................................. 28
Appendix B ................................................................................................. 29
Figure 1: System Block Diagram ........................................................................................... 7
Figure 2: GS64 Power Management Block Diagram ............................................................... 9
Figure 3: GR64001 Power Management Block Diagram ......................................................... 9
Figure 4: GR64002 Power Management Block Diagram ....................................................... 10
Figure 5: GR/GS64 HW On/Off Sequence Logic................................................................... 12
Figure 6: Power Management State Diagram....................................................................... 13
Figure 7: Interface circuit implementation for GS64............................................................ 18
Figure 8: Typical VREF level translation implementation in a GR64002 ............................... 19
Figure 9: GR64002 Power State detection........................................................................... 20
Figure 10: ALARM application example .............................................................................. 22
Gx64 APPLICATION NOTE
Power Management
Page: 4/30
Table of Figures
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Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à des tiers sans son autorisation préalable