Overview
The AMC6821SDBQ, manufactured by Texas Instruments, is a highly integrated temperature monitoring and PWM fan control IC. Designed for applications requiring active system cooling, this component is particularly suited for noise-sensitive or power-sensitive environments. It features an intelligent temperature monitoring system and supports multiple fan control modes, making it an ideal choice for managing thermal conditions in various electronic systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Product Type | PWM Fan Controller with Temperature Sensor | - | - |
| Supply Voltage | 2.7 to 5.5 | V | - |
| Operating Temperature | -40 to +125 | °C | - |
| Supply Current | 1.1 | mA | - |
| Mounting Style | SMD/SMT | - | - |
| Package/Case | SSOP-16 | - | - |
| Outputs | 1 | - | - |
| RoHS Compliance | Lead-Free | - | - |
Key Features
- Intelligent temperature monitoring with internal and external sensors.
- Supports three fan control modes: Automatic Temperature-Fan, Software-RPM, and Software-DCY.
- Programmable SMBALERT output for error indication.
- FAN-FAULT output for detecting fan failures.
- THERM pin for fault-safe output during over-temperature conditions.
Applications
The AMC6821SDBQ is widely used in applications requiring precise thermal management, such as industrial automation, consumer electronics, and automotive systems. Its ability to control fan speeds based on temperature readings ensures optimal cooling with minimal noise, making it suitable for environments where both thermal performance and acoustic levels are critical.
Q & A
What is the operating voltage range of the AMC6821SDBQ?
The operating voltage range is from 2.7V to 5.5V.
What are the different fan control modes supported by this IC?
It supports Automatic Temperature-Fan, Software-RPM, and Software-DCY modes.
What is the operating temperature range?
The operating temperature range is from -40°C to +125°C.
Does the AMC6821SDBQ support external temperature sensors?
Yes, it supports both internal and external temperature sensors.
What is the purpose of the THERM pin?
The THERM pin provides a fault-safe output during over-temperature conditions.
Is the AMC6821SDBQ RoHS compliant?
Yes, it is lead-free and RoHS compliant.
What package does the AMC6821SDBQ come in?
It comes in an SSOP-16 package.
Can the AMC6821SDBQ operate independently without CPU intervention?
Yes, in Automatic Temperature-Fan mode, it can operate independently.
What is the supply current of the AMC6821SDBQ?
The supply current is typically 1.1mA.
What is the primary application of the AMC6821SDBQ?
It is primarily used for temperature monitoring and fan control in electronic systems.
