TMP422
- SOT23-8 and DSBGA (WCSP) PACKAGES
- ±1°C REMOTE DIODE SENSOR (MAX)
- ±1.5°C LOCAL TEMPERATURE SENSOR (MAX)
- SERIES RESISTANCE CANCELLATION
- n-FACTOR CORRECTION
- TWO-WIRE/SMBus™ SERIAL INTERFACE
- MULTIPLE INTERFACE ADDRESSES
- DIODE FAULT DETECTION
- RoHS COMPLIANT AND NO Sb/Br
The TMP421, TMP422, and TMP423 are remote temperature sensor monitors with a built-in local temperature sensor. The remote temperature sensor diode-connected transistors are typically low-cost, NPN- or PNP-type transistors or diodes that are an integral part of microcontrollers, microprocessors, or FPGAs.
Remote accuracy is ±1°C for multiple IC manufacturers, with no calibration needed. The two-wire serial interface accepts SMBus write byte, read byte, send byte, and receive byte commands to configure the device.
The TMP421, TMP422, and TMP423 include series resistance cancellation, programmable non-ideality factor, wide remote temperature measurement range (up to +150°C), and diode fault detection.
The TMP421, TMP422, and TMP423 are all available in a SOT23-8 package. The TMP421C is also available in a DSBGA (WCSP) package.
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기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | ±1°C Remote and Local Temperature Sensor datasheet (Rev. C) | 2012. 5. 7 | ||
| 애플리케이션 노트 | How to Read and Interpret Digital Temperature Sensor Output Data (Rev. A) | PDF | HTML | 2025. 1. 21 |
설계 및 개발
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TMP421SW-LINUX — TMP421용 Linux 드라이버
The Linux driver supports the TMP421 series of Remote and Local Temp Sensors. The Linux driver supports communication through the I2C bus and interfaces with the Hardware Monitoring sub-system.
Linux Mainline StatusAvailable in Linux Main line: Yes
Available through git.ti.com: N/A
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SBOC594 — Remote Temperature Sensor Calibration Tool
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| SOT-23 (DCN) | 8 | Ultra Librarian |