900844 Datasheet, PDF (56/118 Pages) Freescale Semiconductor, Inc – Integrated Power Management IC for Ultra-mobile and Embedded Applications

FUNCTIONAL DEVICE OPERATION
POWER SUPPLIES
DETECTION THRESHOLDS
Table 23 summarizes the various detection thresholds between the different states:
Table 23. Power States Detection Thresholds
Characteristic
Input Voltage Cutoff Threshold
Coin Cell Disconnect Threshold
Low input voltage Threshold
Valid input voltage Threshold
VPWR Rising Under-voltage Threshold
VPWR Falling Under-voltage Threshold
Symbol
V_BATOFF
V_COINOFF
V_LOWBAT
V_TRKL
V_PWRUVR
V_PWRUVF
Min
Typ
Max
Unit
2.2
-
2.4
V
1.8
-
2.0
V
3.2
-
-
V
-
3.0
-
V
-
3.1
-
V
-
2.55
-
V
POWER SUPPLIES
POWER MAP
Figure 22 is a power map of Freescale’s power management solution for Ultra-mobile platforms for Netbooks/ and tablet PC:
INPUT POWER
ADAPTER
OR
BATTERY
VCC (0.65V-1.2V) DC/DC
Max Current 3500mA
VNN (0.65V-1.2V) DC/DC
Max Current 1600mA
VDDQ (1.5V)
Max Current
DC/DC
1000mA
VBG (1.25V)
Max Current
LDO
2mA
VCCA (1.5V)
Max Current
LDO
75mA
V21 (2.1V)
Max Current
DC/DC
1035mA
VCC180 (1.8V)
Max Current
VPNL18 (1.8V)
Max Current
LDO
390mA
LDO
225mA
VCCPDDR (1.05V) LDO
Max Current 60mA
VMM (1.2V)
Max Current
LDO
3mA
VCCPAOAC (1.05V) LDO
Max Current 40mA
VCCP (1.05V)
Max Current
LDO
418mA
PVIN
VPWR
3.3 V
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MANAGER
VAON (1.2V)
Max Current
LDO
250mA
V15 (1.5V)
DC/DC
Max Current 1185.8mA
VIMG25 (2.5V)
Max Current
LDO
80mA
VSDIO
LDO/Switch
1.8V - LDO
207.5mA
3.3V - Switch 207.5mA
VPMIC (1.8V)
Max Current
LDO
50mA
VIMG28 (2.8V)
Max Current
VPNL33 (3.3V)
Max Current
VYMXYFI18
YFI - 1.8V
YMX - 1.8V
LDO
225mA
Switch
100mA
LDO
200mA
200mA
Figure 22. 900844 Power Map
900844
56
Analog Integrated Circuit Device Data
Freescale Semiconductor