TCN75AVOA Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip TCN75AVOA is a 2-wire I2C digital temperature sensor with ±2°C maximum accuracy and programmable alert output in an SOIC-8 package. It measures temperatures from -40°C to +125°C and communicates over I2C with configurable resolution. Suitable for thermal management, environmental monitoring, and system health protection in industrial and consumer electronics.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TCN75AVOA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3172(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TCN75AVOA?
- 2-wire I2C digital temperature sensor with ±2°C maximum accuracy
- Programmable alert output for over-temperature shutdown and thermal protection
- Wide measurement range from -40°C to +125°C covering industrial environments
- Compact SOIC-8 plastic package with 4.9 mm x 3.91 mm body footprint
- Configurable resolution settings for balancing conversion speed and accuracy
What is TCN75AVOA used for?
The TCN75AVOA is used in server boards, industrial controllers, and consumer electronics for thermal management and over-temperature protection. Its I2C interface enables straightforward integration with microcontrollers for real-time temperature monitoring, fan speed control, and system shutdown logic without requiring dedicated analog ADC channels.
What are the specifications of TCN75AVOA?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Accuracy-Max (Cel) | 2Cel |
| Body Breadth | 3.91mm |
| Body Height | 1.55mm |
| Body Length or Diameter | 4.9mm |
| Housing | PLASTIC |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Number of Bits | 12 |
| Operating Current-Max | 0.2mA |
| Output Interface Type | I2C INTERFACE |
| Output Voltage-Min | 0.4V |
| 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 | 2.7V |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Termination Type | SOLDER |
| ## TCN75AVOA Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Mainland China, Thailand |
Where can I find the TCN75AVOA datasheet?
TCN75AVOA Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for TCN75AVOA?
Compatible alternatives and drop-in replacements for TCN75AVOA:
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Serial Switch/Digital Sensor, 12 Bit(s), 0.4V Min, 2Cel, Square, 8 Pin, Surface Mount
Frequently Asked Questions
How accurate is the TCN75AVOA temperature reading across the full -40°C to +125°C range?
The TCN75AVOA provides a maximum accuracy of ±2°C across its full operating range of -40°C to +125°C. This level of precision is adequate for most thermal management applications such as fan speed control, over-temperature alerts, and ambient environment monitoring, where detecting multi-degree temperature shifts is the primary requirement.
How does the TCN75AVOA alert pin integrate with microcontroller interrupt systems for over-temperature protection?
The TCN75AVOA provides a programmable alert output that asserts when temperature exceeds a user-configured threshold register value. Connected to a microcontroller interrupt pin, it enables immediate firmware response without polling the I2C bus. Hysteresis and alert polarity are software-configurable over I2C, allowing designers to set distinct trip and recovery temperatures within the -40°C to +125°C measurement range.
Can multiple TCN75AVOA sensors share the same I2C bus in a multi-zone thermal monitoring design?
Yes, the TCN75AVOA supports up to 8 unique I2C addresses via 3 address pins, allowing up to 8 sensors to coexist on a single 2-wire I2C bus. This is practical in server rack thermal management and multi-PCB enclosures where temperature is measured at 8 independent zones with minimal wiring overhead.
What SOIC-8 footprint dimensions should be verified when replacing TCN75AVOA on an existing PCB?
The TCN75AVOA uses a standard SOIC-8 package with a body length of 4.9 mm, body breadth of 3.91 mm, and body height of 1.55 mm. This matches the industry-standard MS-012 SOIC-8 footprint, so pin-compatible temperature sensor replacements using the same package code can generally be dropped onto existing PCB layouts without layout changes.
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About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.7700 | $0.77 |
| 5+ | $0.4200 | $2.10 |
| 25+ | $0.3900 | $9.75 |
| 100+ | $0.3600 | $36.00 |
| 7500+ | $0.3200 | $2400.00 |
| 10000+ | $0.3172 | $3172.00 |
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