Datasheet

Table Of Contents
DS13105 Rev 4 63/135
STM32WLE5J8/JB/JC Electrical characteristics
127
Table 26. Sub-GHz radio power consumption
Symbol Mode Conditions Min Typ Max Unit
I
DD
Deep-Sleep
mode (Sleep
with cold
start)
(1)(2)
All blocks off - 50 -
nA
Sleep mode
(with warm
start)
(2)(3)
Configuration retained - 140 -
Configuration retained + RC64k - 810 -
Sleep, LDO
mode
(4)
LDO, band-gap,
RC 13 MHz on
HSE32 off - 414 -
µA
HSE32 on - 564 -
Sleep, SMPS
mode
(4)
Band-gap,
RC 13 MHz on,
SMPS 40 mA max
HSE32 off - 700 -
HSE32 on - 950 -
Standby mode
(RC 13 MHz on)
RC 13 MHz on, HSE32 off - 0.7 -
mA
Standby mode
(HSE32)
SMPS mode 40 mA max settings - 1.05 -
LDO mode - 0.99 -
Synthesizer
mode
SMPS mode used with 40 mA drive capability - 2.66 -
LDO mode - 4.05 -
Receive mode,
SMPS mode
used
SMPS 40 mA max
FSK 4.8 Kbit/s - 4.47 -
mA
LoRa 125 kHz, FSK 4.8 Kbit/s - 4.82 -
Rx boosted, FSK 4.8 Kbit/s - 5.12 -
RX boosted, LoRa 125 kHz,
FSK 4.8 Kbit/s
-5.46-
Receive mode,
LDO mode used
FSK 4.8 Kbit/s - 8.18 -
LoRa 125 kHz 8.90
RX boosted
FSK 4.8 Kbit/s 9.52
LoRa 125 kHz 10.22
1. Cold start is equivalent to device at POR or when the device wakes up from Sleep mode with all blocks off.
2. Only Sub-GHz radio power consumption.
3. Warm start only happens when the device wakes up from Sleep mode with its configuration retained,
4. System in Stop 0 mode range 2.