Service Guide
Table Of Contents
- Safety Information
- About the Document
- Contents
- Contents
- Table Index
- Figure Index
- 1 Introduction
- 2 Product Overview
- 3 Application Interfaces
- 3.1. General Description
- 3.2. Pin Assignment
- 3.3. Pin Description
- 3.4. Operating Modes
- 3.5. Power Saving
- 3.6. Power Supply
- 3.7. Turn on/Turn off/Reset
- 3.8. (U)SIM Interfaces
- 3.9. USB Interface
- 3.10. UART Interfaces
- 3.11. SPI Interface
- 3.12. I2C Interfaces
- 3.13. PCM Interface
- 3.14. Analog Audio Interfaces
- 3.15. LCD Interface
- 3.16. Matrix Keyboard Interface
- 3.17. SD Card Interface
- 3.18. WLAN Application Interface*
- 3.19. ADC Interfaces
- 3.20. Network Status Indication
- 3.21. STATUS
- 3.22. Behaviors of MAIN_RI
- 3.23. USB_BOOT Interface
- 4 Antenna Interfaces
- 5 Electrical Characteristics, Radio and Reliability
- 6 Mechanical Information
- 7 Storage, Manufacturing & Packaging
- 8 Appendix References
LTE Standard Module Series
EC200U_Series_Hardware_Design 69 / 94
5.2. Power Supply Ratings
Table 41: Power Supply Ratings
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
VBAT
VBAT_BB and
VBAT_RF
The actual input
voltages must be kept
between the minimum
and maximum value.
3.3
3.8
4.3
V
Voltage drop during
burst transmission
Maximum power control
level on EGSM900.
400
mV
I
VBAT
Peak supply current
(during transmission
slot)
Maximum power control
level on EGSM900.
1.8
2.0/3.0
A
USB_VBUS
USB detection
3.5
5.0
5.25
V
5.3. Operating and Storage Temperatures
The operating and storage temperatures are listed in the following table.
The power supply should be able to provide sufficient current up to 2.0 A to the module that only
supports LTE network, while 3.0 A at least should be provided for GSM network.
NOTE