LM93
- 8-bit ΣΔ ADC
- Monitors 16 Power Supplies
- Monitors 2 Remote Thermal Diodes
- Internal Ambient Temperature Sensing
- Programmable Autonomous Fan Control Based on Temperature Readings with Fan Boost Support
- Fan Control Based on 13-step Lookup Table
- Temperature Reading Digital Filter
- 1.0°C Digital Temperature Sensor Resolution
- 0.5°C Temperature Resolution for Fan Control
- 2 PWM Fan Speed Control Outputs
- 4 Fan Tachometer Inputs
- Dual Processor Thermal Throttling (PROCHOT) Monitoring
- Dual Dynamic VID Monitoring (6 VIDs per Processor)
- 8 General Purpose I/Os:
- 4 Can be Configured as Fan Tachometer Inputs
- 2 Can be Configured to Connect to THERMTRIP from a Processor
- 2 are Standard GPIOs that Could be Used to Monitor IERR Signal
- 2 General Purpose Inputs that Can be Used to Monitor SCSI Termination Signals
- Limit Register Comparisons of All Monitored Values
- 2-wire, SMBus 2.0 Compliant, Serial Digital Interface
- Supports Byte/block Read and Write
- Configurable Slave Address (Tri-level Pin Selects 1 of 3 Possible Addresses)
- 2.5V Reference Voltage Output
- 56-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:LM93 Operational 0°C to +85°CRemote Temp Accuracy 0°C to +125°C
- Power Supply Voltage +3.0V to +3.6V
- Power Supply Current 0.9 mA
All trademarks are the property of their respective owners.
The LM93, hardware monitor, has a two wire digital interface compatible with SMBus 2.0. Using an 8-bit ΣΔ ADC, the LM93 measures the temperature of two remote diode connected transistors as well as its own die and 16 power supply voltages.
To set fan speed, the LM93 has two PWM outputs that are each controlled by up to four temperature zones. The fan-control algorithm is lookup table based. The LM93 includes a digital filter that can be invoked to smooth temperature readings for better control of fan speed. The LM93 has four tachometer inputs to measure fan speed. Limit and status registers for all measured values are included.
The LM93 builds upon the functionality of previous motherboard management ASICs and uses some of the LM85's features (i.e. smart tachometer mode). It also adds measurement and control support for dynamic Vccp monitoring and PROCHOT. It is designed to monitor a dual processor Xeon class motherboard with a minimum of external components.
技術文檔
| 類型 | 標題 | 下載最新的英語版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 數據表 | LM93 Hardware Monitor with Integrated Fan Control for Server Management 數據表 (Rev. E) | 2013年 3月 27日 |
設計和開發
如需其他信息或資源,請點擊以下任一標題進入詳情頁面查看(如有)。
LM93SW-LINUX — 用于 LM93 的 Linux 驅動程序
Linux 主線狀態
在 Linux 主線中提供:是
可通過 git.ti.com 獲取:不適用
- lm93
- lm94
與該器件關聯的文件為:
- drivers/hwmon/lm93.c
- Documentation/hwmon/lm93
啟用驅動程序支持
使用“make menuconfig”(也可以使用“make (...)
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 (...)
支持的產品和硬件
產品
數字溫度傳感器
精密 ADC
| 封裝 | 引腳 | CAD 符號、封裝和 3D 模型 |
|---|---|---|
| TSSOP (DGG) | 56 | Ultra Librarian |
訂購和質量
- RoHS
- REACH
- 器件標識
- 引腳鍍層/焊球材料
- MSL 等級/回流焊峰值溫度
- MTBF/時基故障估算
- 材料成分
- 鑒定摘要
- 持續可靠性監測
- 制造廠地點
- 封裝廠地點