Battery Voltage Detection - Tripp Lite SU60KX Manual

2 Theory of Operation (continued)

2.7 Battery Voltage Detection

Located at NH-SYS-P board (Auxiliary Power for System, Detect Circuit for Voltage and Current)
Located at NH-SYS-M board (System MCU and Control Circuit)
(a) MCU detects battery voltage via Vbatt_+ (98) and Vbatt_- (100).
RP94 RP95
RP99 RP100
BAT+
RP108 RP109
BAT-
RP114 RP115
5VS
Vbatt+
RM 49
DM 10
3
(98)
RM 55 CM 28
G1
CP57
RP90
-12VS
RP96
2 UP10A
RP101
3
CP58
RP102 CP80
+12VS
G1
CP59
RP110
6 UP10B
RP116
5
CP60
RP118
G1
Vbatt-
RM 62
Vbatt_+
RM 70
CM 32
G1
55
CP79
G1
1
Vbatt+
G1
RP106
7
Vbatt-
5VS
DM 15
3
Vbatt_-
(100)