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LM96000

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Hardware monitor with fan control and 6 power supply voltage monitors

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Data sheet

LM96000

ACTIVE
Data sheet Order now

Product details

Local sensor accuracy (max) 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 Features PWM output, Tachometer Supply current (max) (µA) 530 Temp resolution (max) (bps) 8 Remote channels (#) 2 Addresses 3 Rating Catalog
Local sensor accuracy (max) 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 Features PWM output, Tachometer Supply current (max) (µA) 530 Temp resolution (max) (bps) 8 Remote channels (#) 2 Addresses 3 Rating Catalog
TSSOP (PW) 24 49.92 mm² 7.8 x 6.4
  • 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

All trademarks are the property of their respective owners.

  • 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

All trademarks are the property of their respective owners.

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.

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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Type Title Date
* Data sheet LM96000 Hardware Monitor with Integrated Fan Control datasheet (Rev. C) 22 Mar 2013
User guide LM85/LM96000 Evaluation Board User’s Guide 29 Feb 2012

Design & development

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Support software

DIGITALTEMPSENSORSEVM-SW — Eval Board Software for Hardware Monitors and Digital Temp Sensors

Evaluation Board Software for Hardware Monitors and Digital Temperature Sensors
Supported products & hardware

Supported products & hardware

Products
Digital temperature sensors
LM63 — 1 remote and local temperature sensor with fan control LM64 — 1 remote and local temp sensor with fan control and 5 GPIO's LM71 — ±1.5°C Temperature Sensor with SPI Interface LM71-Q1 — Automotive Grade, ±1.5°C Temperature Sensor with SPI Interface LM73 — ±1°C Temperature Sensor with I2C/SMBus Interface LM86 — ±0.75°C remote and local temperature sensor with SMBus interface LM89 — ±0.75°C remote and local temperature sensor with SMBus interface and 2 addresses for bus sharing LM90 — Remote and Local Temperature Sensor with SMBus Interface LM93 — 2 remote, 1 local temp sensor with hardware monitor and 16 power supply voltage monitors LM95010 — ±2°C Temperature Sensor with SensorPath Interface LM95071 — ±1°C Temperature Sensor with SPI Interface LM95221 — ±3°C dual remote & local temperature sensor with beta compensation and SMBus, I2C LM95231 — Dual Remote and Local Temperature Sensor with TruTherm Technology and SMBus Interface LM95235 — ±0.75°C remote & local temperature sensor with SMBus, beta compensation for 65/90n LM95235-Q1 — Automotive Grade, ±2°C Remote and Local Temperature Sensor with TruTherm Technology and SMBus LM96000 — Hardware monitor with fan control and 6 power supply voltage monitors LM96080 — 1 local temp sensor with fan speed and power supply voltage monitor LM96163 — 1 remote and local temp sensor with beta compensation and fan control LM99 — Remote and Local Temperature Sensor with TruTherm Technology and SMBus Interface
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Support software

SENSOREVAL — Eval Board Software For Hardware Monitors And Digital Temperature Sensors

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 (...)
Supported products & hardware

Supported products & hardware

Products
Digital temperature sensors
LM63 — 1 remote and local temperature sensor with fan control LM64 — 1 remote and local temp sensor with fan control and 5 GPIO's LM71 — ±1.5°C Temperature Sensor with SPI Interface LM71-Q1 — Automotive Grade, ±1.5°C Temperature Sensor with SPI Interface LM73 — ±1°C Temperature Sensor with I2C/SMBus Interface LM75A — 2C industry standard temperature sensor, I2C/SMBus interface LM86 — ±0.75°C remote and local temperature sensor with SMBus interface LM89 — ±0.75°C remote and local temperature sensor with SMBus interface and 2 addresses for bus sharing LM90 — Remote and Local Temperature Sensor with SMBus Interface LM93 — 2 remote, 1 local temp sensor with hardware monitor and 16 power supply voltage monitors LM95010 — ±2°C Temperature Sensor with SensorPath Interface LM95071 — ±1°C Temperature Sensor with SPI Interface LM95172-Q1 — Automotive Grade, ±1°C Temperature Sensor with 200°C Capability and SPI Interface LM95214 — ±2°C Quad Remote and Local Temperature Sensor with SMBus Interface LM95221 — ±3°C dual remote & local temperature sensor with beta compensation and SMBus, I2C LM95231 — Dual Remote and Local Temperature Sensor with TruTherm Technology and SMBus Interface LM95233 — ±2°C Dual Remote and Local Temperature Sensor with TruTherm Technology and SMBus Interface LM95234 — ±2°C Quad Remote and Local Temperature Sensor with TruTherm Technology and SMBus Interface LM95235 — ±0.75°C remote & local temperature sensor with SMBus, beta compensation for 65/90n LM95235-Q1 — Automotive Grade, ±2°C Remote and Local Temperature Sensor with TruTherm Technology and SMBus LM95241 — ±1.25°C dual remote & local temperature sensor with beta compensation and SMBus, I LM95245 — ±0.75°C remote & local temperature sensor with SMBus, beta compensation for 45nm d LM96000 — Hardware monitor with fan control and 6 power supply voltage monitors LM96080 — 1 local temp sensor with fan speed and power supply voltage monitor LM96163 — 1 remote and local temp sensor with beta compensation and fan control LM99 — Remote and Local Temperature Sensor with TruTherm Technology and SMBus Interface
Precision ADCs
ADC128D818 — 12-Bit, 82SPS, 8-Ch Delta-Sigma ADC with Temp Sensor, INT / EXT Voltage Reference & I2C Interface
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