Texas Instruments MSP430G2231, User Manual

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0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
-40
I
–
Low-Power Mode Current
–
µA
LPM3
Vcc = 3.6 V
T – Temperature – °C
A
Vcc = 1.8 V
Vcc = 3 V
Vcc = 2.2 V
-20 0 20 40 60 80
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
-40
I
–
Low-Power Mode Current
–
µA
LPM4
Vcc = 3.6 V
T – Temperature – °C
A
Vcc = 1.8 V
Vcc = 3 V
Vcc = 2.2 V
-20 0 20 40 60 80
MSP430G2231-Q1
SLAS787B – NOVEMBER 2011 – REVISED MARCH 2014 www.ti.com
9.5 Low-Power Mode Supply Currents (Into V
CC
) Excluding External Current
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
(1) (2)
PARAMETER TEST CONDITIONS T
A
V
CC
MIN TYP MAX UNIT
f
MCLK
= 0 MHz,
f
SMCLK
= f
DCO
= 1 MHz,
f
ACLK
= 32768 Hz,
Low-power mode 0
I
LPM0,1MHz
BCSCTL1 = CALBC1_1MHZ, 25°C 2.2 V 65 µA
(LPM0) current
(3)
DCOCTL = CALDCO_1MHZ,
CPUOFF = 1, SCG0 = 0, SCG1 = 0,
OSCOFF = 0
f
MCLK
= f
SMCLK
= 0 MHz,
f
DCO
= 1 MHz,
f
ACLK
= 32768 Hz,
Low-power mode 2
I
LPM2
BCSCTL1 = CALBC1_1MHZ, 25°C 2.2 V 22 µA
(LPM2) current
(4)
DCOCTL = CALDCO_1MHZ,
CPUOFF = 1, SCG0 = 0, SCG1 = 1,
OSCOFF = 0
f
DCO
= f
MCLK
= f
SMCLK
= 0 MHz,
Low-power mode 3 f
ACLK
= 32768 Hz,
I
LPM3,LFXT1
25°C 2.2 V 0.7 1.5 µA
(LPM3) current
(4)
CPUOFF = 1, SCG0 = 1, SCG1 = 1,
OSCOFF = 0
f
DCO
= f
MCLK
= f
SMCLK
= 0 MHz,
Low-power mode 3 f
ACLK
from internal LF oscillator (VLO),
I
LPM3,VLO
25°C 2.2 V 0.5 0.7 µA
current, (LPM3)
(4)
CPUOFF = 1, SCG0 = 1, SCG1 = 1,
OSCOFF = 0
f
DCO
= f
MCLK
= f
SMCLK
= 0 MHz, 25°C 2.2 V 0.1 0.5 µA
Low-power mode 4 f
ACLK
= 0 Hz,
I
LPM4
(LPM4) current
(5)
CPUOFF = 1, SCG0 = 1, SCG1 = 1,
85°C 2.2 V 0.8 1.5 µA
OSCOFF = 1
(1) All inputs are tied to 0 V or to V
CC
. Outputs do not source or sink any current.
(2) The currents are characterized with a Micro Crystal CC4V-T1A SMD crystal with a load capacitance of 9 pF.
(3) Current for brownout and WDT clocked by SMCLK included.
(4) Current for brownout and WDT clocked by ACLK included.
(5) Current for brownout included.
9.6 Typical Characteristics, Low-Power Mode Supply Currents
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
Figure 6. LPM4 Current vs Temperature
Figure 5. LPM3 Current vs Temperature
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