LM96000

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Hardware monitor with fan control and 6 power supply voltage monitors

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Product details

Parameters

Local sensor accuracy (Max) (+/- C) 3 Type Fan Controller Operating temperature range (C) 0 to 125 Supply voltage (Min) (V) 3 Interface type SMBus Supply voltage (Max) (V) 3.6 Supply current (Max) (uA) 530 Temp resolution (Max) (bits) 8 Features PWM output, Tachometer Remote channels (#) 2 Addresses 3 Rating Catalog open-in-new Find other Digital temperature sensors

Package | Pins | Size

TSSOP (PW) 24 34 mm² 7.7 x 4.4 open-in-new Find other Digital temperature sensors

Features

  • 2-wire, SMBus 2.0 Compliant, Serial Digital Interface
  • 8-bit ΣΔ 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

Key Specifications

  • Voltage Measurement Accuracy ±2% FS (max)
  • Resolution 8-bits, 1°C
  • Temperature Sensor Accuracy ±3°C (max)
  • Temperature Range
    • LM96000 Operational 0°C to +85°C
    • Remote Temp Accuracy 0°C to +125°C
  • Power Supply Voltage +3.0V to +3.6V
  • Power Supply Current 0.53 mA

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Description

The LM96000, hardware monitor, has a two wire digital interface compatible with SMBus 2.0. Using an 8-bit ΣΔ 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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Technical documentation

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Type Title Date
* Data sheet LM96000 Hardware Monitor with Integrated Fan Control datasheet (Rev. C) Mar. 22, 2013
Technical article How to choose the right thermistor for your temperature sensing application Feb. 13, 2020
Technical article How to enable thermal safety for automotive infotainment and cluster systems Oct. 15, 2019
Technical article Driving industrial innovation with small-size sensors Sep. 12, 2019
Technical article How to select a temperature sensor probe Feb. 18, 2016
User guide LM85/LM96000 Evaluation Board User’s Guide Feb. 29, 2012

Design & development

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Software development

DRIVER OR LIBRARY Download
Eval Board Software for Hardware Monitors and Digital Temp Sensors
DIGITALTEMPSENSORSEVM-SW — Evaluation Board Software for Hardware Monitors and Digital Temperature Sensors
DRIVER OR LIBRARY Download
Eval Board Software For Hardware Monitors And Digital Temperature Sensors
SENSOREVAL SensorEval
SensorEval software supports the latest TI temperature sensor and hardware monitor evaluation boards via USB interface. It also allows access to sensors mounted directly on motherboards that support Intel chip sets.

  • Download SensorEval Software and Manual
  • Windows XP support is offered for (...)

CAD/CAE symbols

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TSSOP (PW) 24 View options

Ordering & quality

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