LM95235QEIMM
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Texas Instruments LM95235QEIMM

Manufacturer No:
LM95235QEIMM
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
SENSOR DIGITAL -40C-85C 8VSSOP
Delivery:
Payment:
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Product Introduction

Overview

The LM95235QEIMM from Texas Instruments is a precision remote diode temperature sensor designed with advanced features for accurate thermal monitoring. This 11-bit digital temperature sensor utilizes a 2-wire System Management Bus (SMBus) interface and incorporates TruTherm BJT beta compensation technology. It is capable of monitoring both remote and local temperatures, making it suitable for a variety of applications, including automotive, processor/computer system thermal management, and electronic test equipment.

The LM95235QEIMM is AEC-Q100 Grade 3 compliant and manufactured on an Automotive Grade Flow, ensuring reliability and performance in demanding environments. It supports temperature reporting in two formats: -128°C to 127.875°C and 0°C to 255.875°C, and features programmable T_CRIT and OS thresholds, as well as a shared programmable hysteresis register.

Key Specifications

Parameter Value
Supply Voltage 3.0 to 3.6 V
Supply Current (Conv. Rate = 1 Hz) 350 µA (typ)
Remote Diode Temperature Accuracy T_A = 25°C to 85°C; T_D = 60°C to 100°C, ±0.75 °C (max)
T_A = 25°C to 90°C; T_D = 40°C to 125°C, ±1.5 °C (max)
Local Temperature Accuracy T_A = 25°C to 100°C, ±2.0 °C (max)
Conversion Rate (Both Channels) 16 to 0.4 Hz
Package 8-Pin VSSOP

Key Features

  • Remote and Local Temperature Channels
  • TruTherm BJT Beta Compensation Technology for precise monitoring of thermal diodes
  • Diode Model Selection Bit - MMBT3904 or 65/90-nm Processor Diodes
  • Two Temperature Formats: -128°C to 127.875°C and 0°C to 255.875°C
  • Digital Filter for Remote Channel
  • Programmable T_CRIT 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

Applications

  • Processor/Computer System Thermal Management (e.g., Laptops, Desktops, Workstations, Servers)
  • Electronic Test Equipment and Office Electronics
  • Automotive Applications (AEC-Q100 Grade 3 Compliant)

Q & A

  1. What is the supply voltage range for the LM95235QEIMM?

    The supply voltage range is 3.0 to 3.6 V.

  2. What is the typical supply current at a conversion rate of 1 Hz?

    The typical supply current is 350 µA.

  3. What is the temperature accuracy for the remote diode channel?

    The temperature accuracy for the remote diode channel is ±0.75 °C (max) for T_A = 25°C to 85°C; T_D = 60°C to 100°C, and ±1.5 °C (max) for T_A = 25°C to 90°C; T_D = 40°C to 125°C.

  4. What is the local temperature accuracy?

    The local temperature accuracy is ±2.0 °C (max) for T_A = 25°C to 100°C.

  5. What are the supported temperature formats?

    The LM95235QEIMM supports two temperature formats: -128°C to 127.875°C and 0°C to 255.875°C.

  6. Is the LM95235QEIMM compatible with automotive applications?

    Yes, the LM95235QEIMM is AEC-Q100 Grade 3 compliant and manufactured on an Automotive Grade Flow.

  7. What interface does the LM95235QEIMM use?

    The LM95235QEIMM uses an SMBus 2.0 compatible interface.

  8. Can the conversion rate be programmed?

    Yes, the conversion rate can be programmed for best power consumption, ranging from 16 to 0.4 Hz.

  9. Does the LM95235QEIMM support diode fault detection?

    Yes, the LM95235QEIMM includes diode fault detection.

  10. Is the LM95235QEIMM pin-for-pin compatible with other models?

    Yes, it is pin-for-pin compatible with the LM86 and LM89.

Product Attributes

Sensor Type:Digital, Local/Remote
Sensing Temperature - Local:-40°C ~ 85°C
Sensing Temperature - Remote:-40°C ~ 85°C
Output Type:SMBus
Voltage - Supply:3V ~ 3.6V
Resolution:10 b (Local), 12 b (Remote)
Features:One-Shot, Output Switch, Programmable Limit, Shutdown Mode, Standby Mode
Accuracy - Highest (Lowest):±2°C (±6°C)
Test Condition:25°C ~ 100°C (-40°C ~ 25°C)
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:8-VSSOP
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