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ADE75 数据表(PDF) 30 Page - Analog Devices

部件名 ADE75
功能描述  Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
PDF  148 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE75 数据表(HTML) 30 Page - Analog Devices

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ADE75xx/ADE71xx
Preliminary Technical Data
Rev. PrE | Page 30 of 148
BSO Event
(FBSO=1)
V -V
PN
V
DCIN
V
DD
SAG LEVEL trip point
2.75V
SAG Event
(FSAG=1)
V
Event
1.2V
DCIN
SAGCYC=1
Automatic Battery switchover
V
connected to V
SW
BAT
If switchover on low V
is enabled,
DCIN
(FVDC=1)
t1
t3
Figure 13: Power Supply Management Interrupts and Battery Switchover with VDD or VDCIN enabled for battery switchover
Time
Comment
t1
TBD
Time between when VDCIN goes below 1.2 V and when FVDCIN is raised.
t2
TBD
Time between when VDD falls below TBD V and when battery switchover occurs.
t3
TBD
Time between when VDCIN falls below 1.2 V and when battery switchover occurs, if
VDCIN is enabled to cause battery switchover. VDCIN_OPT[1:0] in the Battery
Switchover Configuration SFR (BATPR, 0xF5) sets this timeout
Table 23: Power Supply Event Timings Operating Modes
Finally, the transition between VDD and VBAT and the different Power Supply Modes (see Operating modessection) is represented in Figure
15.



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