Texas Instruments LM75BIMM-3/NOPB

Mfr. Part

LM75BIMM-3/NOPB

Manufacturer

Luminary Micro Texas Instruments

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Detailed Description

Digital temperature sensor for local temperature monitoring. Industry-standard LM75B family device with I2C SMBus interface, open-drain alert output, programmable high and low temperature limits, and shutdown mode. 9-bit resolution. Wide operating range from minus 55°C to 125°C. Operates from a single 3 V to 5.5 V supply. Supplied in a compact 8-pin VSSOP package for space-constrained designs. RoHS3 compliant

Key Features

Measurement range minus 55°C to 125°C

Accuracy ±2°C typical and ±3°C max over the full range

9-bit digital temperature code

I2C SMBus compatible interface

Open-drain OS ALERT output for comparator or interrupt behavior

Programmable temperature limits and hysteresis

Low-power shutdown mode

Single supply 3.0 V to 5.5 V

Surface-mount 8-VSSOP package

RoHS3 compliant lead-free finish

Key Advantages

Simple integration using a widely supported I2C SMBus interface

Reliable over a wide temperature range for industrial and consumer use

Small footprint saves PCB area while keeping sensors close to hot spots

Programmable thresholds enable autonomous thermal protection without MCU overhead

Open-drain alert pin eases system-level interrupt and fan control designs

Wide supply range fits 3.3 V and 5 V systems

Mature LM75 ecosystem with broad software and hardware compatibility

Packaging

Shipment type Tape and Reel TR for automated assembly

Device package 8-VSSOP also known as MSOP-8 body width about 3.00 mm

Package case 8-VSSOP supplier device package 8-VSSOP

Mounting type Surface Mount with typical 0.65 mm lead pitch

Materials Molded epoxy package and copper leadframe with matte tin lead finish Pb-free RoHS3

Pin functions V+ supply GND ground SDA I2C data SCL I2C clock OS ALERT open-drain interrupt A0 A1 A2 address select

Thermal characteristics Designed for reliable operation from minus 55°C to 125°C. Pb-free reflow capable to 260°C per J-STD-020. For detailed θJA θJC and derating see the datasheet

Electrical properties Supply 3.0 V to 5.5 V digital I2C SMBus interface 9-bit resolution open-drain alert output programmable limits and shutdown mode

Lifecycle

Status Active and in regular production not near discontinuation based on current industry status for LM75B family devices

Compatible equivalents and alternatives

- Texas Instruments TMP75 and TMP75B I2C 12-bit higher resolution drop-in functional alternative in similar 8-pin packages verify address and timing

- Texas Instruments TMP100 and TMP101 I2C small packages different register map verify software

- NXP LM75B I2C 9-bit very close functional behavior check default address and timing

- STMicroelectronics STLM75 I2C LM75 compatible check address options

- Analog Devices ADT75 I2C LM75 compatible family check accuracy and address

- Microchip MCP9808 I2C higher precision and resolution functional upgrade not pin-compatible

- Maxim Integrated MAX31725 MAX31875 I2C high accuracy compact packages verify pinout and supply

If you need a pin-to-pin or software-compatible recommendation for your exact socket or firmware please contact our sales team on the Y-IC website for tailored guidance

Key Application Areas

CPU GPU and FPGA thermal monitoring and protection

Power supplies and VRM thermal throttling and fan control

Battery packs charging docks and power adapters

Industrial controllers PLCs motor drives and HVAC systems

Networking equipment servers storage and telecom

Consumer electronics set-top boxes TVs printers game consoles

IoT gateways sensors and smart home devices

Medical and lab instruments where compact digital sensing is needed

Datasheet

Y-IC hosts the most authoritative and up-to-date datasheet for LM75BIMM-3/NOPB on this product page. Download it here to get full electrical characteristics timing details pin maps layout guidance and thermal data

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