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LM96000

Features: `2-wire, SMBus 2.0 compliant, serial digital interface`8-bit ∆ ADC`Monitors VCCP, 2.5V, 3.3 VSBY, 5.0V, and 12Vmotherboard/processor supplies`Monitors 2 remote thermal diodes`Programmable autonomous fan control based on temperature readings`Noise filtering of temperature reading fo...

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SeekIC No. : 004396280 Detail

LM96000: Features: `2-wire, SMBus 2.0 compliant, serial digital interface`8-bit ∆ ADC`Monitors VCCP, 2.5V, 3.3 VSBY, 5.0V, and 12Vmotherboard/processor supplies`Monitors 2 remote thermal diodes`Program...

LM96000 Data Sheet

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Part Number:
LM96000
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/24

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Product Details

Description



Features:

`2-wire, SMBus 2.0 compliant, serial digital interface
`8-bit ∆ ADC
`Monitors VCCP, 2.5V, 3.3 VSBY, 5.0V, and 12V
motherboard/processor supplies
`Monitors 2 remote thermal diodes
`Programmable autonomous fan control based on temperature readings
`Noise filtering of temperature reading for fan control
`1.0°C digital temperature sensor resolution
`3 PWM fan speed control outputs
`Provides high and low PWM frequency ranges
`4 fan tachometer inputs
`Monitors 5 VID control lines
`24-pin TSSOP package
`XOR-tree test mode


Application

·Desktop PC
·Microprocessor based equipment (e.g. Base-stations, Routers, ATMs, Point of Sales)




Specifications

Supply Voltage, V+ ......................................................−0.5V to 6.0V
Voltage on Any Digital Input or ...................................−0.5V to 6.0V
Output Pin
Voltage on 12V Analog Input .......................................−0.5V to 16V
Voltage on 5V Analog Input ......................................−0.5V to 6.66V
Voltage on Remote1+, Remote2+, .................−0.5V to (V+ + 0.05V)
Current on Remote1−, Remote2− .........................................±1 mA
Voltage on Other Analog Inputs .................................−0.5V to 6.0V
Input Current on Any Pin (Note 3) .........................................±5 mA
Package Input Current (Note 3) ..........................................±20 mA
Package Dissipation at TA = 25 See (Note 5)
ESD Susceptibility (Note 4)
Human Body Model ................................................................2500V
Machine Model 250V
Storage Temperature .............................................−65 to +150


Description

The LM96000, hardware monitor, has a two wire digital interface compatible with SMBus 2.0. Using an 8-bit ∆ ADC, the LM96000 measures:
     the temperature of two remote diode connected transistors as well as its own die
     the VCCP, 2.5V, 3.3VSBY, 5.0V, and 12V supplies (internal scaling resistors). To set fan speed, the LM96000 has three PWM outputs that are each controlled by one of three temperature zones. High and low PWM frequency ranges are supported.

The LM96000 includes a digital filter that can be invoked to smooth temperature readings for better control of fan speed.

The LM96000 has four tachometer inputs to measure fan speed. Limit and status registers for all measured values are included.




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