LM75BIM-5 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The LM75BIM-5 is a digital temperature sensor with a 9-bit I2C output and ±2°C accuracy over a -55°C to +125°C operating range. It features a programmable overtemperature alert output and supports up to 8 devices on a single I2C bus. Available from distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM75BIM-5 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM75BIM-5?
- 9-bit digital temperature output with ±2°C accuracy over -55°C to +125°C range
- I2C interface supports up to 8 devices per bus via 3 address pins
- Programmable overtemperature OS/ALERT output for autonomous thermal shutdown or interrupt
- Low 3.3 V to 5.5 V supply voltage with standby mode for energy-efficient designs
What is LM75BIM-5 used for?
The LM75BIM-5 is used in system thermal management applications such as server motherboards and network switches where per-zone temperature monitoring triggers fan speed adjustment or thermal shutdown. It is also common in industrial control panels, battery chargers, and HVAC systems needing I2C-connected temperature sensing with alert thresholds. The 8-address-select feature allows multiple sensors to be distributed across a PCB and polled by a single microcontroller over one I2C bus.
What are the specifications of LM75BIM-5?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Accuracy-Max (Cel) | 2Cel |
| Body Breadth | 3.9mm |
| Body Height | 1.55mm |
| Body Length or Diameter | 4.9mm |
| Housing | PLASTIC |
| JESD-609 Code | e0 |
| Mounting Feature | SURFACE MOUNT |
| Number of Bits | 9 |
| Operating Current-Max | 0.5mA |
| Output Interface Type | 2-WIRE INTERFACE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape/Style | RECTANGULAR |
| Sensors/Transducers Type | TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Surface Mount | YES |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Termination Type | SOLDER |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the LM75BIM-5 datasheet?
LM75BIM-5 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM75BIM-5?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What temperature measurement resolution and accuracy does LM75BIM-5 provide?
The LM75BIM-5 provides 9-bit temperature resolution, corresponding to 0.5°C per LSB, with a maximum accuracy of ±2°C over its full -55°C to +125°C operating range. This resolution is sufficient for thermal management decisions such as fan speed control and overtemperature shutdown in server and networking equipment.
How many LM75BIM-5 sensors can be connected on a single I2C bus?
Up to 8 LM75BIM-5 sensors can be connected on a single I2C bus by setting different logic levels on the three address pins (A0, A1, A2). This allows a single microcontroller to monitor 8 thermal zones simultaneously without additional bus multiplexers, ideal for multi-zone thermal management in server boards or industrial enclosures.
How does the overtemperature alert output of LM75BIM-5 function in a thermal protection circuit?
The LM75BIM-5 OS pin asserts low when the measured temperature exceeds the programmable TOS threshold register value, and deasserts after the temperature falls below the THYST hysteresis threshold. In a protection circuit, this open-drain output can be connected to a microcontroller interrupt pin with a 10 kΩ pull-up, or directly to a fan-speed controller or power-switch enable pin to trigger cooling or shutdown without software polling.
Is LM75BIM-5 compatible with 3.3 V microcontrollers, and what is its current consumption?
The LM75BIM-5 operates from 3.3 V to 5.5 V, making it directly compatible with 3.3 V microcontrollers without level shifting. In active measurement mode it consumes approximately 250 µA, and in shutdown mode it drops to under 3 µA. This low standby current makes it suitable for battery-powered temperature logging applications with infrequent wake-up cycles.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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