LM96194 - 具有 PI 风扇控制的 TruTherm 硬件监控器，用于工作站管理

LM96194是TI德州仪器公司的一款监控和??风扇控制产品，LM96194是具有 PI 风扇控制的 TruTherm 硬件监控器，用于工作站管理，本站介绍了LM96194的封装应用图解、特点和优点、功能等，并给出了与LM96194相关的TI元器件型号供参考。

LM96194 - 具有 PI 风扇控制的 TruTherm 硬件监控器，用于工作站管理 - 监控和??风扇控制 - 其他传感器信号调节器 - 德州仪器

产品描述

The LM96194 hardware monitor has a two wire digital interface compatible with SMBus 2.0. Using a ΣΔ ADC, the LM96194 measures the temperature of four remote diode connected transistors as well as its own die and 9 power supply voltages. The LM96194 has new TruTherm technology that supports precision thermal diode measurements of processors on sub-micron processes.

To set fan speed, the LM96194 has two PWM outputs that are each controlled by up to six temperature zones. The fan-control algorithm can be based on a lookup table, PI (proportional/integral) control loop, or a combination of both. The LM96194 includes digital filters that can be invoked to smooth temperature readings for better control of fan speed such that acoustical noise is minimized. The LM96194 has four tachometer inputs to measure fan speed. Limit and status registers for all measured values are included.

The LM96194 includes most of the features of the LM94, dual CPU motherboard server management ASIC, such as measurement and control support for dynamic Vccp monitoring for VRD10/11 and PROCHOT but is targeted for single processor systems.

产品特性

ΣΔ ADC Architecture
Monitors 9 Power Supplies
Monitors 4 Remote Thermal Diodes and 2 LM60
NewTruTherm Technology Support for Precision Thermal Diode Measurements
Internal Ambient Temperature Sensing
Programmable Autonomous Fan Control Based on Temperature Readings with Fan Boost Support
Fan Boost Support on Tachometer Limit Error Event
Fan Control Based on 13-step Lookup Table or PI Control Loop or Combination of Both
PI Fan Control Loop Supports Tcontrol
Temperature Reading Digital Filters
0.5°C Digital Temperature Sensor Resolution
0.0625°C Filtered Temperature Resolution for Fan Control
2 PWM Fan Speed Control Outputs
4 Fan Tachometer Inputs
Processor Thermal Throttling (PROCHOT) Monitoring
Dynamic VID Monitoring (6/7 VIDs per processor) Supports VRD10.2/11
8 General Purpose I/Os:
- 4 Can be Configured as Fan Tachometer Inputs
- 2 Can be Configured to Connect to Processor THERMTRIP
- 2 are Standard GPIOs that Could be Used to Monitor IERR Signal
A General Purpose Inputs That can be Used to Monitor the 7th VID Signal for VRD11
Limit Register Comparisons of all Monitored Values
2-wire Serial Digital Interface, SMBus 2.0 Compliant
- Supports Byte/block Read and Write
- Selectable Slave Address (Tri-level Pin Selects 1 of 3 Possible Addresses)
- ALERT Output Supports Interrupt or Comparator Modes
WQFN-48 Package
XOR-tree Test Mode

Key Specifications

Voltage Measurement Accuracy: ±2% FS (max)
Temperature Resolution: 9-bits, 0.5°C
Temperature Sensor Accuracy: ±2.5 °C (max)
Temperature Range:
- LM96194 Operational: -40°C to +85°C
- Remote Temp Accuracy: -40°C to +125°C
Power Supply Voltage: +3.0V to +3.6V
Power Supply Current: 1.6 mA

All trademarks are the property of their respective owners. Intel is a trademark of Texas Instruments.

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