SI3201-FS View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SI3201-FS

PROSLIC® PROGRAMMABLE CMOS SLIC WITH RINGING/BATTERY VOLTAGE GENERATION

Silicon Laboratories 

Si3230

Table 22. Associated Power Monitoring and Power Fault Registers

Parameter

Description/

Range

Resolution

Register

Bits

Location*

Power Monitor Pointer

0 to 5 points to Q1

n/a

to Q6, respectively

PWRMP[2:0] Direct Register 76

Line Power Monitor Output

0 to 7.8 W for Q1,

Q2, Q5, Q6

0 to 0.9 W for Q3,

Q4

30.4 mW

3.62 mW

PWROM[7:0] Direct Register 77

Power Alarm Threshold, Q1 & Q2

0 to 7.8 W

30.4 mW

PPT12[7:0] Indirect Register 32

Power Alarm Threshold, Q3 & Q4

0 to 0.9 W

3.62 mW

PPT34[7:0] Indirect Register 33

Power Alarm Threshold, Q5 & Q6

0 to 7.8 W

30.4 mW

PPT56[7:0] Indirect Register 34

Thermal LPF Pole, Q1 & Q2

see equation above

NQ12[7:0] Indirect Register 37

Thermal LPF Pole, Q3 & Q4

see equation above

NQ34[7:0] Indirect Register 38

Thermal LPF Pole, Q5 & Q6

see equation above

NQ56[7:0] Indirect Register 39

Power Alarm Interrupt Pending

Bits 2 to 7 corre-

spond to Q1 to Q6,

respectively

n/a

QnAP[n+1], Direct Register 19

where n = 1 to 6

Power Alarm Interrupt Enable

Bits 2 to 7 corre-

spond to Q1 to Q6,

respectively

n/a

QnAE[n+1], Direct Register 22

where n = 1 to 6

Power Alarm

0 = manual mode

n/a

Automatic/Manual Detect

1 = enter open state

upon power alarm

AOPN

Direct Register 67

*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).

Preliminary Rev. 0.96

21

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