5.7 Low-Power Mode LPM3 and LPM4 Supply Currents (Into VCC) Excluding External Current
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(1) (see Figure 5-1)
PARAMETER |
VCC |
–40°C |
25°C |
85°C |
UNIT |
TYP |
MAX |
TYP |
MAX |
TYP |
MAX |
ILPM3,XT1 |
Low-power mode 3, includes SVS(2)(3)(4) |
3.0 V |
1.01 |
|
1.16 |
|
2.53 |
5.25 |
µA |
2.0 V |
0.99 |
|
1.13 |
|
2.49 |
|
ILPM3,VLO |
Low-power mode 3, VLO, excludes SVS(5) |
3.0 V |
0.88 |
|
1.02 |
|
2.39 |
5.06 |
µA |
2.0 V |
0.86 |
|
1.00 |
|
2.35 |
|
ILPM3, RTC |
Low-power mode 3, RTC, excludes SVS(6) |
3.0 V |
0.96 |
|
1.11 |
|
2.49 |
|
µA |
2.0 V |
0.94 |
|
1.09 |
|
2.45 |
|
ILPM4, SVS |
Low-power mode 4, includes SVS(7) |
3.0 V |
0.50 |
|
0.60 |
|
1.93 |
|
µA |
2.0 V |
0.48 |
|
0.59 |
|
1.91 |
|
ILPM4 |
Low-power mode 4, excludes SVS(7) |
3.0 V |
0.34 |
|
0.45 |
|
1.77 |
|
µA |
2.0 V |
0.34 |
|
0.44 |
|
1.75 |
|
ILPM4, RTC, VLO |
Low-power mode 4, RTC is sourced from VLO, excludes SVS(8) |
3.0 V |
0.48 |
|
0.59 |
|
1.91 |
|
µA |
2.0 V |
0.48 |
|
0.58 |
|
1.89 |
|
ILPM4, RTC, XT1 |
Low-power mode 4, RTC is sourced from XT1, excludes SVS(6)(9) |
3.0 V |
0.89 |
|
1.04 |
|
2.41 |
|
µA |
2.0 V |
0.88 |
|
1.02 |
|
2.38 |
|
(1) All inputs are tied to 0 V or to VCC. Outputs do not source or sink any current.
(2) Not applicable for devices with HF crystal oscillator only.
(3) Characterized with a Seiko Crystal SC-32S crystal with a load capacitance chosen to closely match the required load.
(4) Low-power mode 3, includes SVS test conditions:
Current for watchdog timer clocked by ACLK and RTC clocked by XT1 included. Current for brownout and SVS included (SVSHE = 1).
CPUOFF = 1, SCG0 = 1 SCG1 = 1, OSCOFF = 0 (LPM3),
fXT1 = 32768 Hz, fACLK = fXT1, fMCLK = fSMCLK = 0 MHz
(5) Low-power mode 3, VLO, excludes SVS test conditions:
Current for watchdog timer clocked by VLO included. RTC disabled. Current for brownout included. SVS disabled (SVSHE = 0).
CPUOFF = 1, SCG0 = 1 SCG1 = 1, OSCOFF = 0 (LPM3),
fXT1 = 32768 Hz, fMCLK = fSMCLK = 0 MHz
(6) RTC is sourced from external 32768-Hz crystal.
(7) CPUOFF = 1, SCG0 = 1 SCG1 = 1, OSCOFF = 1 (LPM4), CPU and all clocks are disabled, WDT and RTC disabled
(8) Low-power mode 4, VLO, excludes SVS test conditions:
Current for RTC clocked by VLO included. Current for brownout included. SVS disabled (SVSHE = 0).
CPUOFF = 1, SCG0 = 1 SCG1 = 1, OSCOFF = 1 (LPM4),
f
XT1 = 0 Hz, f
MCLK = f
SMCLK = 0 MHz
(9) Low-power mode 4, XT1, excludes SVS test conditions:
Current for RTC clocked by XT1 included. Current for brownout included. SVS disabled (SVSHE = 0).
CPUOFF = 1, SCG0 = 1 SCG1 = 1, OSCOFF = 1 (LPM4),
fXT1 = 32768 Hz, fMCLK = fSMCLK = 0 MHz