MSP430F6779A Datasheet, PDF (41/176 Pages) Texas Instruments – Polyphase Metering SoCs

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MSP430F6779A, MSP430F6778A, MSP430F6777A, MSP430F6776A, MSP430F6775A
MSP430F6769A, MSP430F6768A, MSP430F6767A, MSP430F6766A, MSP430F6765A
MSP430F6749A, MSP430F6748A, MSP430F6747A, MSP430F6746A, MSP430F6745A
SLAS982 – MAY 2014
5.8.3 Auxiliary Supplies
Table 5-18. Auxiliary Supplies, Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
V_CC
Supply voltage range for all supplies at pins DVCC, AVCC, AUXVCC1, AUXVCC2,
AUXVCC3
1.8
3.6 V
PMMCOREVx = 0
1.8
3.6
V_DSYS
Digital system supply voltage range,
V_DSYS = V_CC – R_ON × I_LOAD
PMMCOREVx = 1
PMMCOREVx = 2
2.0
3.6
V
2.2
3.6
PMMCOREVx = 3
2.4
3.6
V_ASYS
T_A
T_A,HTOL
C_VCC,C_AUX1/2
C_VSYS
C_VCORE
C_AUX3
Analog system supply voltage range, V_ASYS = V_CC – R_ON × I_LOAD
Ambient temperature range
Ambient temperature during HTOL (module should be functional during HTOL)
Recommended capacitor at pins DVCC, AVCC, AUXVCC1, AUXVCC2
Recommended capacitor at pins VDSYS1, VDSYS2 and VASYS1, VASYS2
Recommended capacitance at pin VCORE
Recommended capacitor at pin AUXVCC3
See modules
V
-40
85 °C
150 °C
4.7
µF
4.7
µF
0.47
µF
0.47
µF
Table 5-19. Auxiliary Supplies, AUXVCC3 (Backup Subsystem) Currents
over operating free-air temperature range (unless otherwise noted)
I_AUX3,RTCon
PARAMETER
AUXVCC3 current with
RTC enabled
TEST CONDITIONS
RTC and 32-kHz oscillator in
backup subsystem enabled
V_CC
T_A
MIN TYP
25°C
3V
85°C
I_AUX3,RTCoff
AUXVCC3 current with RTC and 32-kHz oscillator in
RTC disabled
backup subsystem disabled
25°C
3V
85°C
MAX
0.86
1.2
120
220
UNIT
µA
nA
Table 5-20. Auxiliary Supplies, Auxiliary Supply Monitor
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
I_CC,Monitor
Average supply current
for monitoring circuitry
drawn from VDSYS
LOCKAUX = 0, AUXMRx = 0
AUX0MD = 0, AUX1MD = 0,
AUX2MD = 1,
VDSYS = DVCC, VASYS = AVCC,
Current measured at VDSYS
1.10 µA
I_Meas,Montior
Average current drawn
from monitored supply
during measurement
cycle
LOCKAUX = 0, AUXMRx = 0
AUX0MD = 0, AUX1MD = 0,
AUX2MD = 1,
VDSYS = DVCC, VASYS = AVCC,
Current measured at AUXVCC1
0.13 µA
General
V_SVMH
V_SVMH
V_SVMH
(SVSMHRRLx (SVSMHRRLx (SVSMHRRLx
= AUXLVLx) = AUXLVLx) = AUXLVLx)
X - 5%
X + 5%
AUXLVLx = 0
1.65
1.75
1.85
V_Monitor
Auxiliary supply
threshold level (same as
high-side SVM)
AUXLVLx = 1
AUXLVLx = 2
AUXLVLx = 3
1.85
1.95
2.05
2.05
2.15
2.25 ^V
2.15
2.25
2.35
AUXLVLx = 4
2.30
2.40
2.55
AUXLVLx = 5
2.57
2.70
2.83
AUXLVLx = 6
2.90
3.00
3.20
AUXLVLx = 7
2.90
3.00
3.20
Copyright © 2014, Texas Instruments Incorporated
Specifications
41
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