ade7566 Analog Devices, Inc., ade7566 Datasheet - Page 30

• Manufacturer Part Number: ade7566
• Description: Single-phase Energy Measurement Ic With 8052 Mcu, Rtc, And Lcd Driver
• Manufacturer: Analog Devices, Inc.

ADE7566/ADE7569
Table 26. Power Supply Event Timing Operating Modes
Parameter
t
t
t
t
1
2
3
4
SAG LEVEL TRIP POINT
SAGCYC = 1
Time
10 ns min
10 ns min
30 ms
130 ms
Figure 34. Power Supply Management Interrupts and Battery Switchover with V
V
P
2.75V
V
1.2V
– V
DCIN
V
BATTERY SWITCH
BATTERY SWITCH
DD
N
ENABLED ON
ENABLED ON
Description
Time between when V
Time between when V
Time between when V
switchover.
Time between when power supply restore conditions are met (V
BATPR[1:0] = 0b01 or V
LOW V
LOW V
SAG LEVEL
TRIP POINT
DCIN
DD
V
P
V
1.2V
V
2.75V
− V
DCIN
V
V
V
BAT
SW
SW
DD
N
Figure 35. Power Supply Management Transitions Between Modes
DCIN
DD
DCIN
DD
falls below 2.75 V and when battery switchover occurs.
above 2.75 V if BATPR[1:0] = 0b00) and when V
goes below 1.2 V and when VSWF is raised.
falls below 1.2 V and when battery switchover occurs if V
PSM0
PSM0
SAG EVENT
(FSAG = 1)
SAG EVENT
Rev. 0 | Page 30 of 136
30ms MIN.
V
DCIN
EVENT
V
(FVDCIN = 1)
DCIN
PSM1 OR PSM2
PSM1 OR PSM2
EVENT
t
DD
1
or V
130ms MIN.
t
V
3
DCIN
DCIN
DCIN
SWITCHOVER V
above 1.2 V and V
Enabled for Battery Switchover
EVENT
IF SWITCHOVER ON LOW V
ENABLED, AUTOMATIC BATTERY
SW
switches to V
PSM0
PSM0
BSO EVENT
(FBSO = 1)
SW
DCIN
CONNECTED TO V
DD
is enabled to cause battery
DD
above 2.75 V if
.
DCIN
IS
BAT