SBOS441I
September 2009 – October 2019
TMP431
,
TMP432
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application Schematics
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Temperature Measurement Data
8.3.2
Beta Compensation
8.3.3
Series Resistance Cancellation
8.3.4
Differential Input Capacitance
8.3.5
Filtering
8.3.6
Sensor Fault
8.3.7
THERM and ALERT/THERM2
8.4
Device Functional Modes
8.4.1
Shutdown Mode (SD)
8.4.2
One-Shot Mode
8.5
Programming
8.5.1
Serial Interface
8.5.2
Bus Overview
8.5.3
Timing Diagrams
8.5.4
Serial Bus Address
8.5.5
Read and Write Operations
8.5.6
Undervoltage Lockout
8.5.7
Timeout Function
8.5.8
High-Speed Mode
8.5.9
General Call Reset
8.5.10
SMBus Alert Function
8.6
Register Maps
8.6.1
Pointer Register
8.6.2
Temperature Registers
8.6.3
Limit Registers
8.6.4
Status Registers
8.6.4.1
TMP431 Status Register
8.6.4.2
TMP432 Status Register
8.6.5
Configuration Register 1
8.6.6
Configuration Register 2
8.6.7
Conversion Rate Register
8.6.8
Beta Compensation Configuration Register
8.6.9
η-Factor Correction Register
8.6.10
Software Reset
8.6.11
Consecutive Alert Register
8.6.12
Therm Hysteresis Register
8.6.13
Identification Registers
8.6.14
Open Status Register
8.6.15
Channel Mask Register
8.6.16
High Limit Status Register
8.6.17
Low Limit Status Register
8.6.18
THERM Limit Status Register
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
12
Device and Documentation Support
12.1
Related Links
12.2
Community Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos441i_oa
sbos441i_pm
1
Features
±1°C Remote Diode Sensor
±1°C Local Temperature Sensor
Automatic Beta Compensation
η-Factor Correction
Programmable Threshold Limits
Two-Wire, SMBus™ Serial Interface
Minimum and Maximum Temperature Monitors
Multiple Interface Addresses
ALERT
/
THERM2
Pin Configuration
Diode Fault Detection