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Texas Instruments LM95010CIMM/NOPB
- Part No.:
- LM95010CIMM/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Analog and Digital Output
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LM95010CIMM/NOPB.pdf
- Description:
- SENSOR DIGITAL -20C-125C 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,860
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Product details
Overview
LM95010CIMM/NOPB from Texas Instruments is a digital temperature sensor with SensorPath® single-wire interface, designed for hardware monitoring in PC system health controllers. It delivers ±2°C accuracy over −20°C to +125°C, 0.25°C resolution, and operates from +3.0 V to +3.6 V supply. It interfaces directly with Super I/O masters in motherboards and base-stations.
For engineers reviewing the LM95010CIMM/NOPB datasheet, LM95010CIMM/NOPB pinout, LM95010CIMM/NOPB application, or LM95010CIMM/NOPB equivalent, key selection criteria include SensorPath bus compatibility, 8-lead VSSOP package footprint, address-programmable device numbering (ADD0/ADD1), and pulse-width encoded timing compliance per SNIS133E.
Technical Context
The LM95010CIMM/NOPB uses ΔVbe analog sensing digitized by a Sigma-Delta ADC, enabling precise die-temperature measurement. Its SensorPath interface supports up to four devices on one bus via hardware-selectable addresses (ADD0/ADD1) and features asynchronous attention signaling for interrupt-driven updates.
Communication relies on open-drain SWD with TTL-compatible levels, 1.25 kΩ pull-up, and pulse-width encoding for Data Bit 0 (11.8–17.0 µs), Data Bit 1 (35.4–48.9 µs), Start Bit (80–109 µs), and Attention Request (165–228 µs). Bus reset requires ≥354 µs drive time, and conversion rate is programmable from 14 ms to 1456 ms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Temperature Accuracy | ±2°C max over −20°C to +125°C - ensures reliable thermal margining in microprocessor thermal management without calibration. |
| Resolution | 0.25°C - enables fine-grained temperature trending for fan speed control and throttling decisions. |
| Supply Voltage | +3.0 V to +3.6 V - matches standard 3.3V standby rail, eliminating need for dedicated LDO in motherboard designs. |
| Average Supply Current | 0.5 mA typ - supports low-power thermal monitoring during system sleep states. |
| Conversion Time | 14 ms to 1456 ms - configurable via Conversion Rate register to balance update frequency and power consumption. |
| Interface Protocol | SensorPath single-wire bus - reduces PCB routing complexity vs. I²C/SMBus; compatible with Super I/O master timing. |
| Operating Temperature | −20°C to +125°C - validated for CPU/GPU proximity sensing in high-density compute platforms. |
Pinout & Package
LM95010CIMM/NOPB is housed in an 8-lead VSSOP (DGK) package, 3.0 mm × 3.0 mm, 0.65 mm pitch, with exposed thermal pad (not electrically connected). Pin 1 is V+, pins 2–4 are NC (must be grounded), pin 5 is GND, pins 6–7 are ADD0/ADD1 address inputs, and pin 8 is SWD bidirectional data line.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ (Pin 1) | Power supply input | Accepts +3.3V standby rail; requires 0.1 µF bypass capacitor and local 10 µF bulk capacitance. |
| NC (Pins 2–4) | No-connect terminals | Must be tied to GND per TI layout guidance; not internally connected but required for mechanical stability and ESD path integrity. |
| GND (Pin 5) | Ground reference | System ground return for analog and digital circuitry; forms thermal path with exposed pad. |
| ADD0 (Pin 6) | Hardware address select | Configures LSB of 2-bit device number (00–11); pulled to V+ or GND via 10 kΩ resistor - floating prohibited. |
| ADD1 (Pin 7) | Hardware address select | Configures MSB of 2-bit device number; enables up to four LM95010CIMM/NOPB sensors on one SensorPath bus. |
| SWD (Pin 8) | Single-wire data I/O | Open-drain bidirectional line; requires 1.25 kΩ pull-up to 3.3V; carries pulse-width encoded SensorPath signals. |
Key Features
| Feature | Design Value |
|---|---|
| SensorPath® single-wire interface | Reduces interconnect count vs. SMBus/I²C; eliminates clock line and simplifies microcontroller GPIO usage. |
| Asynchronous Attention Request | Allows LM95010CIMM/NOPB to signal updated temperature data via interrupt, avoiding polling overhead in host firmware. |
| Programmable conversion rate | Enables dynamic trade-off between update latency (14 ms min) and average current (0.5 mA typ at default rate). |
| ΔVbe + Sigma-Delta ADC architecture | Delivers stable, low-drift temperature measurement without external calibration components or trimming. |
| Hardware-addressable device numbering | Two address pins (ADD0/ADD1) support up to four identical LM95010CIMM/NOPB sensors on shared bus without software enumeration. |
Applications
| Server Motherboard Thermal Monitoring | Telecom Base-Station Power Management |
|---|---|
|
Use Scenario: Real-time die temperature tracking of CPU, VRM, and memory controller on x86 server motherboards. IC Role / Device Role / Timing Role: Slave temperature sensor in SensorPath hardware monitor system, reporting to Super I/O master every 182 ms (default cycle). Use Value: Enables precise thermal throttling and fan curve control using ±2°C accuracy across −20°C to +125°C ambient range. |
Use Scenario: Monitoring heat buildup in high-density RF power amplifier modules within 4G/5G base stations. IC Role / Device Role / Timing Role: Local thermal sensor interfacing with baseband processor's GPIO-based SensorPath master implementation. Use Value: Supports predictive maintenance by detecting abnormal temperature rise before component failure, leveraging 0.25°C resolution. |
| ATM and POS Terminal Environmental Sensing | Industrial Power Supply Health Monitoring |
|
Use Scenario: Ambient and internal enclosure temperature monitoring in unventilated ATM and point-of-sale kiosks. IC Role / Device Role / Timing Role: Standby-mode temperature node reporting via SensorPath SWD line powered from 3.3V_SBY rail. Use Value: Extends system lifetime by triggering shutdown when enclosure exceeds +70°C, using verified −20°C to +125°C operating range. |
Use Scenario: Die temperature feedback for DC-DC converter ICs and MOSFETs in telecom-grade AC/DC power supplies. IC Role / Device Role / Timing Role: Secondary thermal sensor co-located with power stage, communicating over SensorPath to system controller. Use Value: Prevents thermal runaway by enabling fast-response derating (e.g., output current reduction) upon detection of >125°C threshold. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital temperature sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM95235CIMM/NOPB | 8-channel remote diode + local sensor; SMBus interface; 16-pin VSSOP; ±1°C accuracy. | Supports multi-point thermal mapping (CPU, GPU, memory) but requires SMBus infrastructure and larger footprint. | Select when measuring multiple remote junctions is required; not drop-in due to different interface and pin count. |
| MAX6642AESA+ | 2-wire SMBus interface; ±2°C accuracy; 8-pin SOIC; fixed 11-bit resolution (0.125°C). | Lacks SensorPath attention signaling and hardware address pins; requires software-addressed arbitration on shared bus. | Choose for legacy SMBus systems where TI SensorPath ecosystem is unavailable; same accuracy but no interrupt capability. |
Compared with LM95010CIMM/NOPB, LM95235CIMM/NOPB adds remote diode sensing at the cost of interface complexity and board space, while MAX6642AESA+ offers SMBus compatibility but forfeits asynchronous notification and hardware addressing - making LM95010CIMM/NOPB optimal for minimalist, interrupt-driven thermal monitoring on constrained PCBs.
Availability
LM95010CIMM/NOPB is available at Aetrix Electronics and suitable for microprocessor-based equipment, telecom base-stations, and industrial power supplies requiring stable component supply and long-term lifecycle support.
Supply support for LM95010CIMM/NOPB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with decades of heritage in precision sensing and power management ICs.
The LM95010CIMM/NOPB belongs to TI's SensorPath hardware monitor family, engineered specifically for PC and embedded system thermal management where low-pin-count, low-power, and interrupt-driven temperature reporting are critical.
FAQ
What is the maximum operating temperature specification for the LM95010CIMM/NOPB?
The LM95010CIMM/NOPB has a specified operating temperature range of −20°C to +125°C, with guaranteed electrical performance and ±2°C accuracy across this full range. Its maximum temperature reading capability extends to +127.75°C, allowing headroom for transient thermal events before reaching hard limits.
Does the LM95010CIMM/NOPB require external calibration for accurate temperature measurement?
No, the LM95010CIMM/NOPB does not require external calibration. It uses a factory-trimmed ΔVbe sensing element and integrated Sigma-Delta ADC, delivering ±2°C accuracy over −20°C to +125°C without user adjustment. The 0.25°C resolution is inherent to its 10-bit digital output format.
How many LM95010CIMM/NOPB sensors can share the same SensorPath bus?
Up to four LM95010CIMM/NOPB sensors can operate on a single SensorPath bus, enabled by two hardware address pins (ADD0 and ADD1) that configure unique 2-bit device numbers (00, 01, 10, 11). Each device responds only to transactions addressed to its assigned number.
What is the function of the SWD pin on the LM95010CIMM/NOPB?
The SWD (Single-Wire Data) pin on the LM95010CIMM/NOPB serves as the bidirectional, open-drain communication line for the SensorPath bus. It carries pulse-width encoded signals including Data Bits, Start Bit, Attention Request, and Reset - all referenced to a 1.25 kΩ pull-up to +3.3V.
Can the LM95010CIMM/NOPB operate from a standard 3.3V supply?
Yes, the LM95010CIMM/NOPB is explicitly rated for +3.0 V to +3.6 V operation and is optimized for connection to the +3.3V standby (3.3V_SBY) rail. Its typical supply current is 0.5 mA, and it requires a 0.1 µF bypass capacitor on the V+ pin per TI layout guidelines.
LM95010CIMM/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Sensor Type:
- Digital, Local
- Sensing Temperature - Local:
- -20°C ~ 125°C
- Sensing Temperature - Remote:
- -
- Output Type:
- SensorPath™
- Voltage - Supply:
- 3V ~ 3.6V
- Resolution:
- 9 b
- Features:
- Shutdown Mode
- Accuracy - Highest (Lowest):
- ±2°C (±3°C)
- Test Condition:
- 25°C ~ 60°C (-20°C ~ 125°C)
- Operating Temperature:
- -20°C ~ 125°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-VSSOP
LM95010CIMM/NOPB FAQ
1.How can I place an order for LM95010CIMM/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM95010CIMM/NOPB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LM95010CIMM/NOPB reliable?
The price and inventory of LM95010CIMM/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM95010CIMM/NOPB is usually 5 days.
3.What payment methods are accepted for LM95010CIMM/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM95010CIMM/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM95010CIMM/NOPB?
LM95010CIMM/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM95010CIMM/NOPB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LM95010CIMM/NOPB?
For technical support, including LM95010CIMM/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM95010CIMM/NOPB requirements.
6.How does Aetrix verify that LM95010CIMM/NOPB is sourced from the original manufacturer or authorized distributors?
All LM95010CIMM/NOPB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LM95010CIMM/NOPB meets industry standards.
7.What is the process for return or replacement of LM95010CIMM/NOPB?
All LM95010CIMM/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM95010CIMM/NOPB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LM95010CIMM/NOPB part is unused and in its original packaging.
Return procedure for LM95010CIMM/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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