EFM8LB1 Datasheet, PDF (15/70 Pages) Silicon Laboratories – The EFM8LB1 device family are fully integrated, mixed-signal system-on-a-chip MCUs. Highlighted features are listed below

4.1.2 Power Consumption
Table 4.2. Power Consumption
Parameter
Symbol Test Condition
Min
Digital Core Supply Current
Normal Mode-Full speed with code I_DD
F_SYSCLK = 72 MHz²
—
executing from flash
F_SYSCLK = 24.5 MHz²
—
F_SYSCLK = 1.53 MHz²
—
F_SYSCLK = 80 kHz³
—
Idle Mode-Core halted with periph- I_DD
F_SYSCLK = 72 MHz²
—
erals running
F_SYSCLK = 24.5 MHz²
—
F_SYSCLK = 1.53 MHz²
—
F_SYSCLK = 80 kHz³
—
Suspend Mode-Core halted and I_DD
LFO Running
—
high frequency clocks stopped,
Supply monitor off.
LFO Stopped
—
Snooze Mode-Core halted and I_DD
LFO Running
—
high frequency clocks stopped.
Regulator in low-power state, Sup-
LFO Stopped
—
ply monitor off.
Stop Mode—Core halted and all I_DD
—
clocks stopped,Internal LDO On,
Supply monitor off.
Shutdown Mode—Core halted and I_DD
—
all clocks stopped,Internal LDO
Off, Supply monitor off.
Analog Peripheral Supply Currents
High-Frequency Oscillator 0
I_HFOSC0 Operating at 24.5 MHz,
—
T_A = 25 °C
High-Frequency Oscillator 1
I_HFOSC1 Operating at 72 MHz,
—
T_A = 25 °C
Low-Frequency Oscillator
I_LFOSC
Operating at 80 kHz,
—
T_A = 25 °C
ADC0 High Speed Mode⁴
I_ADC
1 Msps, 12-bit conversions
—
Normal bias settings
V_DD = 3.0 V
ADC0 Low Power Mode⁴
I_ADC
High Speed Mode
—
Low Power Mode
—
Internal ADC0 Reference⁵
I_VREFFS High Speed Mode
—
Low Power Mode
—
EFM8LB1 Data Sheet
Electrical Specifications
Typ
Max
Unit
12.9
15
mA
4.2
5
mA
625
1050
μA
155
575
μA
9.6
10.75
mA
3.14
3.8
mA
520
950
μA
135
550
μA
125
545
μA
120
535
μA
23
430
μA
19
425
μA
120
535
μA
0.2
2.1
μA
120
135
μA
TBD
TBD
μA
3.7
6
μA
TBD
TBD
μA
TBD
TBD
μA
TBD
TBD
μA
700
790
μA
170
210
μA
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