SI3232 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SI3232

DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING

Silicon Laboratories 

Si3232

VBAT: Scaled Battery Voltage Measurement (RAM Address 13)

Bit D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Name

VBAT[15:0]

Type

R/W

Reset settings = 0x00

Bit

Name

Function

15:0 VBAT[15:0] Scaled Battery Voltage Measurement.

Reflects the battery voltage measured through the monitor ADC. 0 to 160.173 V

range, 4.907 mV/LSB, 628 mV effective resolution. (251 mV effective resolution for

VBAT < 64.07 V).

VCM: Common Mode Voltage (RAM Address 4)

Bit D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Name

VCM[14:0]

Type

R/W

Reset settings = 0x00

Bit

Name

Function

14:0 VCM[14:0] Common Mode Voltage.

Programs the common mode voltage between the TIP lead and ground in normal

polarity (between RING and ground in reverse polarity). The recommended value is 3 V,

but can be programmed between 0 and 63.3 V. 4.907 mV/LSB, 1.005 V effective resolu-

tion,

VLOOP: Loop Voltage Sense Value (RAM Address 7)

Bit D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Name

VLOOP[15:0]

Type

R/W

Reset settings = 0x00

Bit

Name

Function

15:0 VLOOP[15:0] Loop Voltage Sense Value.

Holds the realtime measured loop voltage across TIP-RING. 0 to 160.173 V range,

4.907 mV/LSB, 628 mV effective resolution (251 mV effective resolution for VLOOP <

64.07 V.

Preliminary Rev. 0.96

113

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