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UM0527 Datasheet, PDF (52/66 Pages) STMicroelectronics – UPS evaluation board
Technical description
UM0527
2.5
2.5.1
Signalization description
Indicators
2.5.2
Table 25. Indicators
Mains mode
Battery mode
Buck/boost mode
Battery charging
Overload (mains)
Overload ( battery)
Self test
Fault ( mains)
Fault (battery)
Standby mode
Green LED
(mains)
Solid on
Off
Flash on
Solid on
Solid on
Off
Solid on
Solid on
Off
Off
Sound alarms
Yellow LED
(battery)
Off
Solid on
Flash On (BATLOW)
Off
Flash on
Off
Solid On
Solid on
Off
Solid on
Off
Red LED
(failure/overload)
Off
Off
Off
Off
Flash on
Flash on
Off
Solid on
Solid on
Flash on
(one per 2 sec.)
Table 26. Sound alarms
State
Beeper alarm sequence
Inverter mode
1 beep with 1 s. interval by 15 s. and after this 1 beep with 15 s. interval
Overload
1 beep with 0.3 s. interval
BATLOW
State
continuous signal
Beeper alarm sequence
Inverter mode
1 beep with 1 s. interval by 15 s. and after this 1 beep with 15 s. interval
2.6
2.6.1
Bill of material
Bill of material for 120 Vac version
Table 27. Bill of material for 120 Vac version
Part type
Designator
0.68 R 2 W
R137
0R
R28
Manufacturer
Royal Ω
Yageo
Qty
Ordering code
1 MOR I 2W J 68K T 1 0
1
RC 0805 J R-07 0R L
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