41113915
Rev 0.3
June 17, 2020
8
AirPrime EM9190 Hardware Integration Guide
Power
1. Module junction temperature at the printed circuit board.
Figure 2-1 Voltage/Temperature Monitoring State Machines
Note:
Make sure that your system design provides sufficient cooling for the module.
Normal mode
Normal mode
Low supply voltage warning
or
High temperature warning
Low power mode
Handled by Power State
state machine.
Off mode Handled by
Power State state machine
current_vcc < VOLT_LO_WARN
current_temp > TEMP_HI_WARN
current_vcc > VOLT_LO_NORM
current_temp < TEMP_HI_NORM
(Manual transition)
Host deasserts
Full_Card_Power_Off#
current_vcc > VOLT_HI_CRIT
current_temp < TEMP_LO_CRIT
current_vcc < VOLT_LO_CRIT
current_temp > TEMP_HI_CRIT
current_vcc < VOLT_HI_NORM
current_temp > TEMP_NORM_LO