LM95235

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具有 SMBus 接口、采用 β 補償技術、適用于 65/90nm 處理器二極管的 ±0.75°C 遠程和本地溫度傳感器

產(chǎn)品詳情

Local sensor accuracy (max) 2 Type Remote Operating temperature range (°C) -40 to 90 Supply voltage (min) (V) 3 Interface type I2C, SMBus Supply voltage (max) (V) 5.5 Features ALERT, One-shot conversion Supply current (max) (μA) 650 Temp resolution (max) (bps) 11 Remote channels (#) 1 Addresses 3 Rating Catalog
Local sensor accuracy (max) 2 Type Remote Operating temperature range (°C) -40 to 90 Supply voltage (min) (V) 3 Interface type I2C, SMBus Supply voltage (max) (V) 5.5 Features ALERT, One-shot conversion Supply current (max) (μA) 650 Temp resolution (max) (bps) 11 Remote channels (#) 1 Addresses 3 Rating Catalog
VSSOP (DGK) 8 14.7 mm2 3 x 4.9
  • Remote and Local Temperature Channels
  • TruTherm BJT Beta Compensation Technology
  • LM95235Q is AEC-Q100 Grade 3 Compliant and is Manufactured on an Automotive Grade Flow
  • Diode Model Selection Bit - MMBT3904 or 65/90-nm Processor Diodes
  • Two Formats: -128°C to 127.875°C and 0°C to 255.875°C
  • Digital Filter for Remote Channel
  • Programmable TCRIT and OS Thresholds
  • Programmable Shared Hysteresis Register
  • Diode Fault Detection
  • Mask, Offset, and Status Registers
  • SMBus 2.0 Compatible Interface, Supports TIMEOUT
  • Programmable Conversion Rate for Best Power Consumption
  • Three-Level Address Pin
  • Standby Mode One-Shot Conversion Control
  • Pin-for-Pin Compatible With the LM86 and LM89
  • 8-Pin VSSOP Package

Key Specifications

  • Supply Voltage 3.0 to 3.6 V
  • Supply Current, Conv. Rate = 1 Hz 350 μA (typ)
  • Remote Diode Temperature Accuracy
    • TA = 25°C to 85°C; TD = 60°C to 100°C, ±0.75 °C (max)
    • TA = 25°C to 90°C; TD = 40°C to 125°C, ±1.5 °C (max)
  • Local Temperature Accuracy
    • TA = 25°C to 100°C, ±2.0 °C (max)
  • Conversion Rate, Both Channels 16 to 0.4 Hz

All trademarks are the property of their respective owners.

  • Remote and Local Temperature Channels
  • TruTherm BJT Beta Compensation Technology
  • LM95235Q is AEC-Q100 Grade 3 Compliant and is Manufactured on an Automotive Grade Flow
  • Diode Model Selection Bit - MMBT3904 or 65/90-nm Processor Diodes
  • Two Formats: -128°C to 127.875°C and 0°C to 255.875°C
  • Digital Filter for Remote Channel
  • Programmable TCRIT and OS Thresholds
  • Programmable Shared Hysteresis Register
  • Diode Fault Detection
  • Mask, Offset, and Status Registers
  • SMBus 2.0 Compatible Interface, Supports TIMEOUT
  • Programmable Conversion Rate for Best Power Consumption
  • Three-Level Address Pin
  • Standby Mode One-Shot Conversion Control
  • Pin-for-Pin Compatible With the LM86 and LM89
  • 8-Pin VSSOP Package

Key Specifications

  • Supply Voltage 3.0 to 3.6 V
  • Supply Current, Conv. Rate = 1 Hz 350 μA (typ)
  • Remote Diode Temperature Accuracy
    • TA = 25°C to 85°C; TD = 60°C to 100°C, ±0.75 °C (max)
    • TA = 25°C to 90°C; TD = 40°C to 125°C, ±1.5 °C (max)
  • Local Temperature Accuracy
    • TA = 25°C to 100°C, ±2.0 °C (max)
  • Conversion Rate, Both Channels 16 to 0.4 Hz

All trademarks are the property of their respective owners.

The LM95235 is an 11-bit digital temperature sensor with a 2-wire System Management Bus (SMBus) interface and TruTherm technology that can monitor the temperature of a remote diode as well as its own temperature. The LM95235 can be used to very accurately monitor the temperature of external devices such as microprocessors, graphics processors, or a diode-connected MMBT3904 transistor. For automotive applications the LM95235Q is available that is AEC-Q100 Grade3 compliant and is manufactured on an Automotive Grade Flow. TruTherm BJT (transistor) beta compensation technology allows the LM95235 to precisely monitor thermal diodes found in 90 nm and smaller geometry processes. LM95235 reports temperature in two different formats for +127.875°C/-128°C range and 0°C/255°C range. The LM95235 T_CRIT and OS outputs are asserted when either unmasked channel exceeds its programmed limit and can be used to shutdown the system, to turn on the system fans, or as a microcontroller interrupt function. The current status of the T_CRIT and OS pins can be read back from the status registers via the SMBus interface. All limits have a shared programmable hysteresis register.

The remote temperature channel of the LM95235 has a programmable digital filter. The LM95235 contains a diode model selection bit to select between a typical Intel® processor on a 65 nm or 90 nm process or MMBT3904, as well as an offset register for maximum flexibility and best accuracy.

The LM95235 has a three-level address pin to connect up to 3 devices to the same SMBus master, that is shared with the OS output. The LM95235 has a programmable conversion rate register and a standby mode to save power. One conversion can be triggered in standby mode by writing to the one-shot register.

The LM95235 is an 11-bit digital temperature sensor with a 2-wire System Management Bus (SMBus) interface and TruTherm technology that can monitor the temperature of a remote diode as well as its own temperature. The LM95235 can be used to very accurately monitor the temperature of external devices such as microprocessors, graphics processors, or a diode-connected MMBT3904 transistor. For automotive applications the LM95235Q is available that is AEC-Q100 Grade3 compliant and is manufactured on an Automotive Grade Flow. TruTherm BJT (transistor) beta compensation technology allows the LM95235 to precisely monitor thermal diodes found in 90 nm and smaller geometry processes. LM95235 reports temperature in two different formats for +127.875°C/-128°C range and 0°C/255°C range. The LM95235 T_CRIT and OS outputs are asserted when either unmasked channel exceeds its programmed limit and can be used to shutdown the system, to turn on the system fans, or as a microcontroller interrupt function. The current status of the T_CRIT and OS pins can be read back from the status registers via the SMBus interface. All limits have a shared programmable hysteresis register.

The remote temperature channel of the LM95235 has a programmable digital filter. The LM95235 contains a diode model selection bit to select between a typical Intel® processor on a 65 nm or 90 nm process or MMBT3904, as well as an offset register for maximum flexibility and best accuracy.

The LM95235 has a three-level address pin to connect up to 3 devices to the same SMBus master, that is shared with the OS output. The LM95235 has a programmable conversion rate register and a standby mode to save power. One conversion can be triggered in standby mode by writing to the one-shot register.

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類型 標題 下載最新的英語版本 日期
* 數(shù)據(jù)表 LM95235/235Q Precision Remote Diode Temp Sensor w/SMBus Intrface & TruTherm 數(shù)據(jù)表 (Rev. F) 2013年 3月 22日
用戶指南 LM95235EVAL User’s Guide 2012年 8月 24日

設計和開發(fā)

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)。

驅(qū)動程序或庫

LM95245SW-LINUX — 用于 LM95245 的 Linux 驅(qū)動程序

Linux 驅(qū)動程序支持 LM95245 系列遠程和本地溫度傳感器。Linux 驅(qū)動程序支持通過 I2C 總線和接口與硬件監(jiān)控子系統(tǒng)進行通信。
Linux 主線狀態(tài)

在 Linux 主線中提供:是
可通過 git.ti.com 獲?。翰贿m用

支持的器件:
  • lm95235
  • lm95245
Linux 源文件

與該器件關聯(lián)的文件為:

  1. drivers/hwmon/lm95245.c
  2. Documentation/hwmon/lm95245
源文件

drivers/hwmon/lm95245.c

其他文件

Documentation/hwmon/lm95245

 

啟用驅(qū)動程序支持

使用“make (...)
支持軟件

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

Evaluation Board Software for Hardware Monitors and Digital Temperature Sensors
支持的產(chǎn)品和硬件

支持的產(chǎn)品和硬件

產(chǎn)品
數(shù)字溫度傳感器
LM63 1 條遠程和本地通道溫度傳感器,帶風扇控制功能 LM64 帶風扇控制功能和 5 個 GPIO 的遠程和本地溫度傳感器 LM71 具有 SPI 接口的 ±1.5°C 溫度傳感器 LM71-Q1 具有 SPI 接口的汽車級 ±1.5°C 溫度傳感器 LM73 具有 I2C/SMBus 接口的 ±1°C 溫度傳感器 LM86 具有 SMBus 接口的 ±0.75°C 遠程和本地溫度傳感器 LM89 具有 SMBus 接口和 2 個地址用于總線共享的 ±0.75°C 遠程和本地溫度傳感器 LM90 具有 SMBus 接口的遠程和本地溫度傳感器 LM93 具有 2 條遠程和 1 條本地通道的溫度傳感器,帶硬件監(jiān)控器和 16 個電源電壓監(jiān)控器 LM95010 具有 SensorPath 接口的 ±2°C 溫度傳感器 LM95071 具有 SPI 接口的 ±1°C 溫度傳感器 LM95221 具有 β 補償、SMBus 和 I2C 接口的 ±3°C 雙路遠程和本地溫度傳感器 LM95231 采用 TruTherm 技術且具有 SMBus 接口的雙路遠程和本地溫度傳感器 LM95235 具有 SMBus 接口、采用 β 補償技術、適用于 65/90nm 處理器二極管的 ±0.75°C 遠程和本地溫度傳感器 LM95235-Q1 采用 TruTherm 技術且具有 SMBus 接口的汽車級 ±2°C 遠程和本地溫度傳感器 LM96000 硬件監(jiān)控器,帶風扇控制功能和 6 個電源電壓監(jiān)控器 LM96080 1 條本地通道溫度傳感器,帶風扇轉(zhuǎn)速控制功能和電源電壓監(jiān)控器 LM96163 具有 1 條遠程和本地通道的溫度傳感器,帶 β 補償和風扇控制功能 LM99 采用 TruTherm 技術且具有 SMBus 接口的遠程和本地溫度傳感器
支持軟件

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(chǎn)品和硬件

支持的產(chǎn)品和硬件

產(chǎn)品
數(shù)字溫度傳感器
LM63 1 條遠程和本地通道溫度傳感器,帶風扇控制功能 LM64 帶風扇控制功能和 5 個 GPIO 的遠程和本地溫度傳感器 LM71 具有 SPI 接口的 ±1.5°C 溫度傳感器 LM71-Q1 具有 SPI 接口的汽車級 ±1.5°C 溫度傳感器 LM73 具有 I2C/SMBus 接口的 ±1°C 溫度傳感器 LM75A 具有 I2C/SMBus 接口的 2C 業(yè)界通用溫度傳感器 LM86 具有 SMBus 接口的 ±0.75°C 遠程和本地溫度傳感器 LM89 具有 SMBus 接口和 2 個地址用于總線共享的 ±0.75°C 遠程和本地溫度傳感器 LM90 具有 SMBus 接口的遠程和本地溫度傳感器 LM93 具有 2 條遠程和 1 條本地通道的溫度傳感器,帶硬件監(jiān)控器和 16 個電源電壓監(jiān)控器 LM95010 具有 SensorPath 接口的 ±2°C 溫度傳感器 LM95071 具有 SPI 接口的 ±1°C 溫度傳感器 LM95172-Q1 具有 SPI 接口且支持 200°C 溫度的汽車級 ±1°C 溫度傳感器 LM95214 具有 SMBus 接口的 ±2°C 四路遠程和本地溫度傳感器 LM95221 具有 β 補償、SMBus 和 I2C 接口的 ±3°C 雙路遠程和本地溫度傳感器 LM95231 采用 TruTherm 技術且具有 SMBus 接口的雙路遠程和本地溫度傳感器 LM95233 采用 TruTherm 技術且具有 SMBus 接口的 ±2°C 雙路遠程和本地溫度傳感器 LM95234 采用 TruTherm 技術且具有 SMBus 接口的 ±2°C 四路遠程和本地溫度傳感器 LM95235 具有 SMBus 接口、采用 β 補償技術、適用于 65/90nm 處理器二極管的 ±0.75°C 遠程和本地溫度傳感器 LM95235-Q1 采用 TruTherm 技術且具有 SMBus 接口的汽車級 ±2°C 遠程和本地溫度傳感器 LM95241 具有 β 補償、SMBus 和 I2C 的 ±1.25°C 雙路遠程和本地溫度傳感器 LM95245 具有 SMBus 接口、采用 β 補償技術、適用于 45nm 處理器二極管的 ±0.75°C 遠程和本地溫度傳感器 LM96000 硬件監(jiān)控器,帶風扇控制功能和 6 個電源電壓監(jiān)控器 LM96080 1 條本地通道溫度傳感器,帶風扇轉(zhuǎn)速控制功能和電源電壓監(jiān)控器 LM96163 具有 1 條遠程和本地通道的溫度傳感器,帶 β 補償和風扇控制功能 LM99 采用 TruTherm 技術且具有 SMBus 接口的遠程和本地溫度傳感器
精密 ADC
ADC128D818 具有溫度傳感器、內(nèi)部/外部電壓基準和 I2C 接口的 12 位、82SPS、8 通道 Δ-Σ ADC
封裝 引腳 CAD 符號、封裝和 3D 模型
VSSOP (DGK) 8 Ultra Librarian

訂購和質(zhì)量

包含信息:
  • 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(xù)可靠性監(jiān)測
包含信息:
  • 制造廠地點
  • 封裝廠地點

支持和培訓

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