ADM1021ARQ - onsemi

Manufacturer Part Number

ADM1021ARQ

Manufacturer

onsemi

Introduction

Temperature monitoring system integrated circuit for power management applications

Product Features and Performance

Internal and external temperature sensing

0°C to 100°C sensing range for external sensor

High accuracy measurement (±1°C Local, ±5°C Remote)

Integrated ADC for precise digital output

Comparator and multiplexer functionalities

SMBus digital interface

Temperature alarm output

Product Advantages

High integration for simplified system design

Accurate temperature monitoring improves system reliability

SMBus interface compatible with standard protocols

Low voltage operation from 3V to 5.5V

Key Technical Parameters

Sensing Temperature range: 0°C ~ 100°C, External Sensor

Accuracy: ±1°C Local, ±5°C Remote

Topology: ADC, Comparator, Multiplexer, Register Bank

Output Type: SMBus

Output Alarm: Yes

Voltage - Supply: 3V ~ 5.5V

Operating Temperature: 0°C ~ 100°C

Mounting Type: Surface Mount

Package / Case: 16-SSOP

Quality and Safety Features

Precision temperature sensing for system protection

Built-in alarm function for thermal event detection

Compatibility

Standard SMBus interface

Suitable for multiple power management applications

Compatible with 16-SSOP mounting and 16-QSOP package

Application Areas

Computers and servers

Electronic power management systems

Consumer electronics temperature monitoring

Product Lifecycle

Obsolete status

Potential need for identifying replacement or sourcing from aftermarket suppliers

Several Key Reasons to Choose This Product

Advanced onchip temperature monitoring functionality

High accuracy enables reliable operation and prevents overheating

Supports both internal and external temperature sensing

Ease of integration with SMBus communication

Suitable for precise power management in space-constrained applications