SI3201-X-FS SILABS [Silicon Laboratories], SI3201-X-FS Datasheet - Page 25

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SI3201-X-FS

Manufacturer Part Number
SI3201-X-FS
Description
Manufacturer
SILABS [Silicon Laboratories]
Datasheet
is desired since the regulator output voltage has long settling time constants (on the order of tens of milliseconds)
and cannot change rapidly for TRACK = 1 mode. Therefore, the brief on-hook voltage measurement would yield
approximately the same voltage as the off-hook line voltage and would cause the terminal equipment to incorrectly
sense another off-hook terminal.
Note: The ProSLIC uses registers that are both directly and indirectly mapped. A “direct” register is one that is mapped
DC-DC Converter Min. Off Time
DC-DC Converter PWM Period
V
V
DC-DC Converter Calibration
High Battery Voltage—V
DC-DC Converter Power-off
Low Battery Voltage—V
BATL
directly. An “indirect” register is one that is accessed using the indirect access registers (direct registers 28 through
31).
Enable/Status
Parameter
Control
TRACK=0
V
OV
Figure 10. V
Table 24. Associated Relevant DC-DC Converter Registers
Constant I Region
BATL
BATH
TIP
, V
V
OV
(0 to 1.892 us) +
RING
0 to 15.564 us
4 clock cycles
0 to –94.5 V
0 to –94.5 V
0 to –13.5 V
0 to –9 V or
Range
, and V
Preliminary Rev. 0.5
n/a
n/a
BAT
V
I
LIM
OC
|V
in the Forward Active State
TIP
Resolution
V
61.035 ns
61.035 ns
- V
CM
1.5 V
1.5 V
1.5 V
n/a
n/a
RING
|
Constant V Region
V
OV
Register Bit
DCTOF[4:0]
VBATH[5:0]
VMIND[3:0]
VBATL[5:0]
DCN[7:0]
DCCAL
DCOF
VOV
V
OC
Indirect Register 64
Direct Register 14
Direct Register 93
Direct Register 92
Direct Register 93
Direct Register 74
Direct Register 75
Direct Register 66
Location
Si3233
V
V
R
V
TIP
RING
LOOP
BAT
25

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