Epson RX8130CE - Detection Voltage Setting

15 Battery backup switchover function
RX8130CE Jump to Top / Bottom
ETM50E-07 Seiko Epson Corporation 45
Figure 34 VDET3, VDET4 voltage detection timing) BFVSEL1, BFVSEL0 bit
15.6 Detection voltage setting
Table 38 VDET1,VDET2,VDET3,VDET4 setting
Item
Symbol
Detect voltage Typ.
setting
VDET1
Reset /Reset-release voltage
+VDET11 / -VDET11
2.8V / 2.75V
RSVSEL = 0 (default)
+VDET12 / -VDET12
2.7V / 2.65V
RSVSEL = 1
VDET2
Backup switchover/recover voltage
+VDET2 / -VDET2
1.35V / 1.30V
VDET3
Full charge detection voltage
+VDET31 / -VDET31
3.02V / 2.97V
BFVSEL = 00b
default)
+VDET30 / -VDET30
2.92V / 2.87V
BFVSEL = 01b
+VDET32 / -VDET32
3.08V / 3.03V
BFVSEL = 10b
VDET4
V
BAT
low-voltage detection voltage
-VDET4
2.4V
4) The full-charge detection (VDET3) and low-V
BAT
detection (VDET4) control SW2.
Table 39 BFVSEL1, BFVSEL0
BFVSEL1
BFVSEL0
Description
0
0
3.02 V (default)
0
1
3.08 V
1
0
2.92 V
1
1
OFF (Charging without limit)