Motorola W24 Power Consumption

Chapter 2: Hardware Interface Description

May 31, 2008 Module Hardware Description 11

Figure 2-2 illustrates the power supply behavior during GSM transmission (Stacked

configuration).

Figure 2-2: Transmission Power Drops

Power Consumption

Table 2 -3 specifies typical W24 current consumption ratings in various operating modes. The

current ratings refer to the overall W24 current consumption over the VCC supply.

Table 2-3:W24 Current Ratings

Parameter Description Conditions Min Typ Max Unit

IOFF Powered off 3.3V<Vcc<4.2V 10 100 µA

IOFF MODE Powered off with

IGN high

3.3V<VCC<4.2V

IGN<0.8V

46mA

IDEEPSLEEP 3.3V<Vcc<4.2V 4 6 mA

ISLEEP Idle mode 3.3V<Vcc<4.2V 9 12 mA

IIDLE Idle mode 3.3V<Vcc<4.2V 125 150 mA

IAIRPLANE Airplane mode 3.3V<Vcc<4.2V 45 60 mA

ITX 3.3V<Vcc<4.2V 190 250 mA

Contents

Main SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Notice Copyrights Computer Software Copyrights Usage and Disclosure Restrictions License Agreements Page Page Table of Contents Page Page Page List of Figures List of Tables Preface Manual Scope Target Audience Manual Organization Applicable Documents Regulatory Requirements Regulatory Statement (Safety) Host Label Requirement Antenna and Transmission Safety Precautions User Operation Antenna Installation Section 15.203 - Antenna Requirement Standards Contact Us Text Conventions Note Warnin g Important Field Service General Safety Remember!. . . safety depends on you! Do not operate in an explosive atmosphere Do not service or adjust alone Caring for the Environment Disposal of Motorola equipment in EU countries Disposal of Motorola equipment in non-EU countries RoHS Compliance Limitation of Liability Warranty Notification How to Get Warranty Service? Claiming Conditions What is Not Covered by the Warranty Page Revision History Chapter 1: Introduction Operation Setup Stand Alone Configuration Stacked Configuration Product Specifications G24 W24 Host PCB Table 1-1:Product Specifications (Cont.) Regulatory Approvals CFR 47 Part 15.19 specifies Label Requirements CFR 47 Part 15.21 Information to user CFR 47 Part 15.247 European Union Directives Conformance Statement Page Chapter 2: Hardware Interface Description Architecture Overview Digital Block Power Management Block RF Block Operating Modes Power Supply Power Supply Design Power Consumption Power On/Off Operation Turning the W24 On Turning the W24 On Using ON_N Turning the W24 On Using IGN Turning the W24 Off Turning the W24 Off Using ON_N Turning the W24 Off Using IGN Page Low Power Mode Activating Low Power Mode Serial Interface During Low Power Mode Terminating Low Power Mode Temporary Termination of Low Power Mode Using the WKUPI_N signal Using the WKUPO_N signal Incoming Network Data Data on the Serial interface Permanent termination of Low Power Mode Deep Sleep Mode Serial Interfaces Primary UART (UART1) Secondary UART (UART2) USB Device Interface USB Host Interface (Stacked configuration only) SIM Interface Audio Interface A/D Converter Interface Unused/Reserved Signals Controls and Indicators Interface Reset VREF Reference Regulator Wakeup Antenna Detection GPRS/EGPRS Detection Page General Purpose I/O Page Antenna Interface Page Chapter 3: Electrical and Environmental Specifications Absolute Maximum Ratings Environmental Specifications Application Interface Specifications Table 3-3:Host Interface Specifications Pin # Signal H/L Internal Name Description I/O Active Page Page Page Page Table 3-4:G24 Interface Specifications Pin # Signal H/L Internal Name Description I/O Active Page Page Page Page Page Interface Connector Specifications RF Connector Specifications Mating Connector Page W24 Mounting W24 Stand Alone Mounting W24 + G24 Stacked Mounting Chapter 5: Support, Service and Troubleshooting Support Who to Contact? Required Query Information Page Service Who to Contact? Required Query Information Testing a Standalone Unit Acronyms and Abbreviations A B E C D F G H L I M O P R T S U V Index A B E O