
PRODUCTPREVIEW
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SWCS046A – MARCH 2010 – REVISED MAY 2010
POWER CONSUMPTION
over operating free-air temperature range (unless otherwise noted)
All current consumption measurements are relative to the FULL chip, all VCC inputs set to VBAT votlage.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Device BACKUP state
CK32K clock and RTC digital running (RTC_PWDN = 0)
VBAT = 2.4 V, VBACKUP = 0 V,
13
18
A
VBAT = 0 V, VBACKUP = 3.2 V
7
10
Device OFF state
CK32K clock running
VBAT = 3.8 V
13
18
VBAT = 5 V
17
23
A
VBAT = 3.8 V, RTC digital running (RTC_PWDN = 0)
16
22
VBAT = 3.8 V, digital running (RTC_PWDN = 0), backup
26
32
battery charger on, VBACKUP = 3.2 V
Device SLEEP state
VBAT = 3.8 V, CK32K clock running:
BOOT[1:0] = 00, 3 DC-DCs on, 5 LDOs and VRTC on, no load
292
BOOT[1:0] = 01, 3 DC-DCs on, 3 LDOs and VRTC on, no load
279
A
VBAT = 3.8 V, CK32K clock and RTC digital running
(RTC_PWDN = 0):
BOOT[1:0] = 00, 3 DC-DCs on, 5 LDOs and VRTC on, no load
295
Device ACTIVE state
VBAT = 3.8 V, CK32K clock running:
BOOT[1:0] = 00, 3 DC-DCs on, 5 LDOs and VRTC on, no load
1.2
BOOT[1:0] = 01, 3 DC-DCs on, 3 LDOs and VRTC on, no load
1.05
mA
BOOT[1:0] = 00, 3 DC-DCs on PWM mode (VDD1_PSKIP =
VDD2_PSKIP = VIO_PSKIP = 0), 5 LDOs and VRTC on, no
23.6
load
POWER REFERENCES AND THRESHOLDS
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output reference voltage (VREF
Device in active or low-power mode
–1%
0.85
+1%
V
terminal)
Main battery charged
Measured on VCC5 terminal
threshold VMBCH (programmable)
Trigger monitored through NRESPRWON
VMBCH_VSEL = 11, BOOT[1:0] = 11 or 00
3
VMBCH_VSEL = 10
2.9
V
VMBCH_VSEL = 01
2.8
VMBCH_VSEL = 00
bypassed
Main battery discharged
Measured on VCC7 terminal (MTL prg)
VMBCH –
V
threshold VMBDCH (programmable) trigger monitored through INT1
100 mV
Main battery low threshold VMBLO
Measured on VCC7 terminal (monitored on
2.5
2.6
2.7
(MB comparator)
terminal NRESPWRON)
V
MTL programmation
2.4
2.5
2.6
VBACKUP = 0 V, measured on terminal VCC7
Main battery high threshold VMBHI
2.6
2.75
3
(MB comparator)
V
VBACKUP = 3.2 V, measured on terminal VCC7
(trigger monitored though VCC7 Idd, UPR
2.5
2.55
3
comparator)
Main battery not present threshold
Measured on terminal VCC7
1.9
2.1
2.2
V
VBNPR
(monitored on terminal VRTC)
VCC = 3.8 V
Ground current (analog references
+ comparators + backup battery
Device in OFF state
8
A
switch)
Device in ACTIVE or SLEEP state
20
Copyright 2010, Texas Instruments Incorporated
9