Si3230
Preliminary Rev. 0.96
25
Not
Recommended
fo
r N
ew
D
esi
gn
s
Figure 10. VTIP, VRING, and VBAT in the Forward Active State
Table 24. Associated Relevant DC-DC Converter Registers
Parameter
Range
Resolution
Register Bit
Location
DC-DC Converter Power-off
Control
n/a
DCOF
Direct Register 14
DC-DC Converter Calibration
Enable/Status
n/a
DCCAL
Direct Register 93
DC-DC Converter PWM Period
0 to 15.564 us
61.035 ns
DCN[7:0]
Direct Register 92
DC-DC Converter Min. Off Time
(0 to 1.892 us) +
4ns
61.035 ns
DCTOF[4:0]
Direct Register 93
High Battery Voltage—VBATH
0 to –94.5 V
1.5 V
VBATH[5:0]
Direct Register 74
Low Battery Voltage—VBATL
0 to –94.5 V
1.5 V
VBATL[5:0]
Direct Register 75
VOV
0 to –9 V or
0 to –13.5 V
1.5 V
VMIND[3:0]
VOV
Indirect Register 41
Direct Register 66
Note:
The ProSLIC uses registers that are both directly and indirectly mapped. A “direct” register is one that is mapped
directly. An “indirect” register is one that is accessed using the indirect access registers (direct registers 28 through 31).
Constant I Region
Constant V Region
V
OC
I
LIM
V
CM
V
OC
V
OV
V
OV
V
RING
V
BAT
V
BATL
R
LOOP
V
TIP
TR
AC
K=
1
TRACK=0
|V
TIP - VRING|