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TMP423

現行

具 N-Factor 和串聯 R 校正的三遠端和本機溫度感測器

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TMP423

現行
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產品詳細資料

Local sensor accuracy (max) 2.5 Type Remote Operating temperature range (°C) -40 to 125 Supply voltage (min) (V) 2.7 Interface type I2C, SMBus Supply voltage (max) (V) 5.5 Features One-shot conversion Supply current (max) (µA) 38 Temp resolution (max) (Bits) 12 Remote channels (#) 3 Addresses 2 Rating Catalog
Local sensor accuracy (max) 2.5 Type Remote Operating temperature range (°C) -40 to 125 Supply voltage (min) (V) 2.7 Interface type I2C, SMBus Supply voltage (max) (V) 5.5 Features One-shot conversion Supply current (max) (µA) 38 Temp resolution (max) (Bits) 12 Remote channels (#) 3 Addresses 2 Rating Catalog
SOT-23 (DCN) 8 4.64 mm² 2.9 x 1.6
  • 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
  • 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.

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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類型 標題 日期
* Data sheet ±1°C Remote and Local Temperature Sensor datasheet (Rev. C) 2012年 5月 7日
Application note How to Read and Interpret Digital Temperature Sensor Output Data PDF | HTML 2024年 4月 12日
Application brief How to Protect Displays with the Latest Temperature Sensing Technology PDF | HTML 2021年 7月 26日

設計與開發

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驅動程式或資料庫

TMP421SW-LINUX — 適用於 TMP421 的 Linux 驅動程式

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 Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

Supported Devices:
  • (...)
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模擬型號

TMP4xx Family IBIS Model (Rev. A)

SBOM410A.ZIP (60 KB) - IBIS Model
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計算工具

SBOC594 — Remote Temperature Sensor Calibration Tool

支援產品和硬體

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產品
數位溫度感測器
TMP400 — 採用 QSSOP-16 且具 N-Factor 和串聯 R 校正的遠端和本機溫度感測器 TMP411 — 採用 MSOP-8 且具 N-Factor 和串聯 R 校正的遠端與本機溫度感測器 TMP421 — 採用 WCSP 且具 N-Factor 和串聯 R 校正的遠端與程和本機溫度感測器 TMP422 — 採用 WCSP 且具 N-Factor 和串聯 R 校正的遠端與本機溫度感測器 TMP423 — 具 N-Factor 和串聯 R 校正的三遠端和本機溫度感測器 TMP431 — 具自動 Beta、N-Factor 和串聯電阻校正的遠端和本機溫度感測器 TMP432 — 具自動 Beta、N-Factor 和串聯電阻校正的雙遠端和本機溫度感測器 TMP441 — 採用 SOT23 且具自動 Beta、N-Factor 和串聯電阻校正的多位址遠端和本機溫度感測器 TMP451 — 具 N-Factor 和串聯 R 校正的 1.7-V 遠端和本機溫度感測器 TMP461 — 具有針腳可編程匯流排位址的高準確度遠端和本機溫度感測器 TMP464 — 5 通道 (4 個遠端和 1 個本機) 高準確度遠端和本機溫度感測器 TMP468 — ±0.75⁰C 高精度多通道遠端和本機溫度感測器
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SOT-23 (DCN) 8 檢視選項
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