ADM1028 Selling Leads, Price trend, ADM1028 DataSheet download, circuit diagram from SeekIC.com

Features: On-Chip Temperature SensorExternal Temperature Measurement with Remote DiodeInterrupt and Over-Temperature OutputsFault-Tolerant Fan Control with Auto Hardware Trip PointRemote Reset and Power-Down FunctionsLDCM SupportSystem Management Bus (SMBus) CommunicationsStandby Mode to Minimize ...

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SeekIC No. : 004275504 Detail

ADM1028: Features: On-Chip Temperature SensorExternal Temperature Measurement with Remote DiodeInterrupt and Over-Temperature OutputsFault-Tolerant Fan Control with Auto Hardware Trip PointRemote Reset and P...

ADM1028 Data Sheet

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Part Number:: ADM1028
Supply Ability:: 5000

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1~5000

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Upload time: 2024/4/30

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Product Details

Description

Features:

On-Chip Temperature Sensor
External Temperature Measurement with Remote Diode
Interrupt and Over-Temperature Outputs
Fault-Tolerant Fan Control with Auto Hardware Trip Point
Remote Reset and Power-Down Functions
LDCM Support
System Management Bus (SMBus) Communications
Standby Mode to Minimize Power Consumption
Limit Comparison of all Monitored Values
DAC Output for Linear Fan Speed Control
Ramp Rate Register for Control of Rate of Change of Fan Speed, Reduction of Fan Acoustics

Application

Network Servers and Personal Computers
Microprocessor-Based Office Equipment
Test Equipment and Measuring Instruments

Pinout

Connection Diagram

Specifications

Positive Supply Voltage (V_CC) . . . . . . . . . . . . . . . . . . . . .6.5 V
Voltage on Digital Inputs Except Therm
and D . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +6.5 V
Voltage on Therm Pin . . . . . . . . . . . . . .0.3 V to V_CC + 0.3 V
Voltage on D Pin . . . . . . . . . . . . . . . . . . . .0.3 V to + 0.6 V
Voltage on Any Other Input . . . . . . . . .0.3 V to V_CC + 0.3 V
or Output Pin
Input Current at Any Pin . . . . . . . . . . . . . . . . . . . . . . . ±5 mA
Package Input Current . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Maximum Junction Temperature (T_J max) . . . . . . . . . . 150°C
Storage Temperature Range . . . . . . . . . . .65°C to +150°C
Lead Temperatures
Soldering (10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C
IR Reflow Peak Temperature . . . . . . . . . . . . . . . . . . . 220°C
ESD Rating (Human Body Model) . . . . . . . . . . . . . . . 4000 V

Description

The ADM1028 is a low-cost temperature monitor and fan controller for microprocessor-based systems. The temperature of a remote sensor diode may be measured, allowing monitoring of processor temperature in single processor systems. An on-chip temperature sensor monitors ambient system temperature. Measured values can be read out via the System Management Bus, and values for limit comparisons can be programmed in over the same serial bus. The ADM1028 also contains a DAC for fan speed control. An automatic hardware temperature trip point is provided and the fan will be driven to full speed if it is exceeded. A Ramp Rate Register is provided to control the rate with which fan speed is increased or decreased. This is to eliminate sudden changes in fan speed, thereby reducing fan acoustics and prolonging the fan's life.

Finally, the chip has remote reset and power-down functionality, allowing it to be remotely shut down via the SMBus. The ADM1028's 3.0 V to 5.5 V supply voltage range, low supply current, and SMBus make it ideal for a wide range of applications. These include hardware monitoring applications in PCs, electronic test equipment, and office electronics.

ADM1028

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