User's Manual
Table Of Contents
- Legal Information
- 1 About This Document
- 2 Product Overview
- 3 Interfaces
- 3.1 Definition of PINs
- 3.2 Working Condition
- 3.3 Feature of Interface Power Level
- 3.4 Power Interface
- 3.5 (U)SIM Card Interface
- 3.6 SD Card Interface
- 3.7 USB2.0 Interface
- 3.8 Serial Interface
- 3.9 JTAG (Joint Test Action Group) Interface
- 3.10 Power-on/Power-off & Reset Signal
- 3.11 Interactive Application Interface
- 3.12 LED Indicator Interface
- 4 Electric Feature
- 5 Technical Index of Radio Frequency
- 6 Related Test & Testing Standard
- 7 Design Guide
- 7.1 General Design Rule & Requirement
- 7.2 Power Supply Circuit Design
- 7.3 RF Circuit Design
- 7.4 Suggestions for EMC & ESD Design
- 7.5 Suggestions for PCB Wielding Panel Design
- 7.6 Suggestions for Heat-dissipation Design
- 7.7 Recommended Product Upgrading Plan
- 8 Manufacturing Guide
- 9 FCC Regulations:
Hardware Development Guide of Module Product
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4 Electric Feature
4.1 Power Feature
4.1.1 Power Supply
The input voltage range of ZM5202 is DC 3.4V~4.2V, and the typical value is 3.8V,
as shown in Table 4-1.
Table 4-1 Input Voltage
Parameter Min Typical Max
Input
voltage
3.4V 3.8V 4.2V
4.1.2 Working Current
The working current range of ZM5202 is as shown in Table 4-2. The IDLE mode
indicates the power consumption of the module when there is no service. The table
also provides the working current range under GSM and WCMA mode when there
is data service.
Table 4-2 Working Current
Mode Status Average Remark
GSM With no service ≤75mA IDLE mode
With data
transmission
≤380mA GPRS/EDGE
mode
WCDMA With no service ≤75mA IDLE mode
With data
transmission
≤470mA HSPA mode
Note: The above average current is acquired under the maximum transmission power. Under different
environments, the testing results might be slightly different. Take the actual situation as the reference.