LTC4151HMS#TRPBF【PDF 12/18 页】IC PWR MONITOR MS 80V SD 10MSOP

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Sheet目录41

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LTC4151

4151ff

For more information www.linear.com/LTC4151

Table 3. SENSE Registers A (00h) and B (O1h)Read/Write

BIT

NAME

OPERATION

A7:0, B7:4 SENSE Voltage Data

12-Bit Data of Current Sense Voltage with 20礦 LSB and 81.92mV Full-Scale

ADC Busy in Snapshot Mode

1 = SENSE Being Converted; 0 = SENSE Conversion Completed. Not Writable

B2:0

Reserved

Always Returns 0. Not Writable

Table 4. V

Registers C (02h) and D (O3h)Read/Write

BIT

NAME

OPERATION

C7:0, D7:4 V

Voltage Data

12-Bit Data of V

Voltage with 25mV LSB and 102.4V Full-Scale

ADC Busy in Snapshot Mode

1 = V

Being Converted; 0 = V

Conversion Completed. Not Writable

D2:0

Reserved

Always Returns 0, Not Writable

Table 5. ADIN Registers E (04h) and F (O5h)Read/Write

BIT

NAME

OPERATION

E7:0, F7:4

ADIN Voltage Data

12-Bit Data of Current Sense Voltage with 500礦 LSB and 2.048V Full-Scale

ADC Busy in Snapshot Mode

1 = ADIN Being Converted; 0 = ADIN Conversion Completed. Not Writable

F2:0

Reserved

Always Returns 0, Not Writable

applicaTions inForMaTion

Table 2. LTC4151 Register Address and Contents

READ/WRITE

DESCRIPTION

00h

SENSE (A)

R/W**

ADC Current Sense Voltage Data (8 MSBs)

01h

SENSE (B)

R/W**

ADC Current Sense Voltage Data (4 LSBs)

02h

(C)

R/W**

ADC V

Voltage Data (8 MSBs)

03h

(D)

R/W**

ADC V

Voltage Data (4 LSBs)

04h

ADIN (E)

R/W**

ADC ADIN Voltage Data (8 MSBs)

05h

ADIN (F)

R/W**

ADC ADIN Voltage Data (4 LSBs)

06h

CONTROL (G)

R/W

Controls ADC Operation Mode and Test Mode

07h

Reserved

*Register address MSBs b7-b3 are ignored. **Writable if bit G4 is set.

Table 6. CONTROL Register G (06h)Read/Write

BIT

NAME

OPERATION

ADC Snapshot Mode

Enable

Enables ADC Snapshot Mode; 1 = Snapshot Mode Enabled. Only the channel selected by G6 and G5 is

measured by the ADC. After the conversion, the channel busy bit is reset and the ADC is halted.

0 = Snapshot Mode Disabled (ADC free running, Default).

ADC Channel Label for

Snapshot Mode

ADC Channel Label for Snapshot Mode

ADC CHANNEL

SENSE (Default)

ADIN

ADC Channel Label for

Snapshot Mode

Test Mode Enable

Test Mode Halts ADC Operation and Enables Writes to ADC Registers; 1 = Enable Test Mode,

0 = Disable Test Mode (Default)

Page Read/Write Enable

Enables Page Read/Write; 1 = Enable I

C Page Read/Write (Default), 0 = Disable I

C Page Read/Write

Stuck-Bus Timer Enable

Enables I

C Stuck-Bus Reset Timer; 1 = Enable Stuck-Bus Timer (Default), 0 = Disable Stuck-Bus Timer

G1:0

Reserved

Always Returns 0, Not Writable

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