SI3200-X-FS SILABS [Silicon Laboratories], SI3200-X-FS Datasheet - Page 42

• Manufacturer Part Number: SI3200-X-FS
• Manufacturer: SILABS [Silicon Laboratories]

Si3220/25
42
High Battery Detect Threshold
Low Battery Detect Threshold
Ringing Battery Switch (Si3220 only)
Battery Select Indicator
Battery Switching LPF
*Note: Usable range for BATHTH and BATLTH is limited to the V
Parameter
Table 22. Register and RAM Locations Used for Battery Switching
Figure 19. External Battery Switching Using the Si3220/Si3225
V
V
BLO
BHI
806 kΩ
SVBAT
Register/RAM
Si3220
Si3225
Mnemonic
RLYCON
RLYCON
BATHTH
BATLTH
BATLPF
Battery
Sense
Circuit
Si3200
VBATH
VBATL
VBAT
Linefeed
Circuitry
Rev. 1.2
Battery
Control
Logic
Register/RAM
BATHTH[14:7]
BHI
BATLTH[14:7]
BATLPF[15:3]
voltage.
BSEL
GPO
Bits
BATSEL
Battery
Control
Select
BATSEL
40.2 kΩ
Programmable
0 to 160.173 V*
0 to 160.173 V*
0 to 4000h
Range
Toggle
Toggle
Resolution
(LSB Size)
(4.907 mV)
(4.907 mV)
628 mV
628 mV
N/A
N/A
N/A