Analog Devices dBCool ADT7476 Manuals

Manuals and User Guides for Analog Devices dBCool ADT7476. We have 1 Analog Devices dBCool ADT7476 manual available for free PDF download: Manual

Analog Devices dBCool ADT7476 Manual

Analog Devices dBCool ADT7476 Manual (72 pages)

Remote Thermal Controller and Voltage Monitor

Brand: Analog Devices | Category: Measuring Instruments | Size: 1 MB

Table of Contents

Features
1
General Description
1
Functional Block Diagram
1
Table of Contents
2
Revision History
3
Specifications
4
Timing Diagram
5
Absolute Maximum Ratings
6
Thermal Resistance
6
ESD Caution
6
Pin Configuration and Function Descriptions
7
Typical Performance Characteristics
9
Product Description
11
Feature Comparisons between ADT7476 and ADT7468
11
Recommended Implementation
12
Serial Bus Interface
13
Write Operations
15
Read Operations
16
Smbus Timeout
16
Virus Protection
16
Voltage Measurement Input
17
Www.bdtic.com/Adi
17
Analog-To-Digital Converter
17
Input Circuitry
17
Voltage Measurement Registers
17
Voltage Limit Registers
17
Extended Resolution Registers
17
Additional ADC Functions for Voltage Measurements
17
VID Code Monitoring
20
VID Code Input Threshold Voltage
20
VID Code Change Detect Function
20
Programming the Gpios
20
Temperature Measurement Method
20
Factors Affecting Diode Accuracy
22
Additional ADC Functions for Temperature Measurement
23
Limits, Status Registers, and Interrupts
25
Limit Values
25
Status Registers
26
THERM Timer
28
Fan Drive Using PWM Control
31
Laying out 3-Wire Fans
33
Programming TRANGE
36
Programming the Automatic Fan Speed Control Loop
37
Manual Fan Control Overview
37
THERM Operation in Manual Mode
37
Automatic Fan Control Overview
37
Step 1: Hardware Configuration
38
Step 2: Configuring the Mux
41
Step 3: TMIN Settings for Thermal Calibration Channels
43
Step 4: PWM MIN for each PWM (Fan) Output
44
Step 5: PWM MAX for PWM (Fan) Outputs
45
Step 6: TRANGE for Temperature Channels
46
For Temperature Channels
48
Step 8: THYST for Temperature Channels
50
Fan Presence Detect
51
Fan Sync
52
Standby Mode
52
XNOR Tree Test Mode
52
Power-On Default
52
Register Tables
53
Outline Dimensions
72
Ordering Guide
72

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