LN920 HW Design Guide
1VV0301730 Rev. 1
Page 29 of 81
2021-08-11
Not Subject to NDA
4.2.1.
Idle Mode
Table 15: Idle and PSM Mode
1
PSM in between eDRX
Table 16: GPS Mode *reference signal @-130 dbm with static scenario
4.2.2.
LN920 Connected Mode Current Consumption
Mode
Measure
(Typical)
Mode
Description
Connected mode
Average
(mA)
Peak
(mA)
Mode
Measure (Typical)
Mode Description
IDLE mode
WCDMA
(mA)
LTE
(mA)
2G
(MA)
AT+CFUN=1
Normal mode: full functionality of the module
AT+CFUN=4
Disabled TX and RX; module is not registered on the network
AT+CFUN=5
Paging cycle #256 frames (2.56s DRx cycle)
81.92s eDRx cycle length (PTW=2.56s, DRX=1.28s)
327.68s eDRx cycle length (PTW=2.56s, DRX=1.28s)
655.36s eDRx cycle length (PTW=2.56s, DRX=1.28s)
1310.72s eDRx cycle length (PTW=2.56s, DRX=1.28s)
2621.44s eDRx cycle length (PTW=2.56s, DRX=1.28s)
Paging Multiframe 9
PSM mode
Typical (mA)
AT+CPSMS=1
No current source or sink by any connected pin
Mode
Measure* (Typical)
Mode Description
GPS
(mA)
Active State
(GNSS ON,
CFUN=4)
Acquisition
GPS+GLO, DPO off
Navigation
GPS+GLO, DPO on DWELL=280ms
GPS+GLO, DPO off
Active State
(GNSS ON,
CFUN=5 eDRX)
Acquisition
GPS+GLO, DPO off
Navigation
GPS+GLO, DPO on DWELL=280ms
54
GPS+GLO, DPO off
