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電源保護開關與控制器
eFuse（整合式熱插拔）

TPS1641

現行

具有輸出功率限制的 2.7-V 至 40-V、152-mΩ、1.8-A eFuse

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產品規格表

TPS1641

現行
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產品詳細資料

Vabsmax_cont (V) 42 Vin (max) (V) 40 Vin (min) (V) 2.7, 4.5 Current limit (max) (A) 1.8 Current limit (min) (A) 0.03 Features Adjustable soft start, Current monitoring, Fault output, Output power limiting, Overcurrent protection, Overvoltage protection, Power good signal, Short-circuit protection, Thermal shutdown UL recognition IEC62368 Overcurrent response Current limiting, Power limiting Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 152 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.0012 Quiescent current (Iq) (max) (A) 0.0021 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
Vabsmax_cont (V) 42 Vin (max) (V) 40 Vin (min) (V) 2.7, 4.5 Current limit (max) (A) 1.8 Current limit (min) (A) 0.03 Features Adjustable soft start, Current monitoring, Fault output, Output power limiting, Overcurrent protection, Overvoltage protection, Power good signal, Short-circuit protection, Thermal shutdown UL recognition IEC62368 Overcurrent response Current limiting, Power limiting Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 152 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.0012 Quiescent current (Iq) (max) (A) 0.0021 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
VSON (DRC) 10 9 mm² (3 mm × 3 mm)
  • Operating voltage range (IN):
    • 4.5V to 40V (power limit devices)
    • 2.7V to 40V (current limit devices)
  • Withstands negative voltages up to –1V at output
  • Ultra-low ON-resistance: RON = 152mΩ (typical)
  • 2W to 64W power limiting
  • 0.03A to 1.8A current limiting
  • IN to OUT short detection and indication on FLT pin
  • FLT output for diagnostics and driving external PFET
  • ±5% accurate power limit at 15W (power limit devices)
  • ±6% accurate current limit at 1A (current limit devices)
  • Configurable overvoltage protection
  • Configurable overcurrent protection (IOCP)
  • Configurable blanking time for transient currents
  • Overvoltage protection up to 60V with external FET
  • Adjustable output slew rate control (dVdt) for inrush current protection
  • Enable and shutdown control
  • Output load current monitoring on IOCP pin
  • Overtemperature protection (OTP) with thermal shutdown
  • Small footprint: QFN 3 × 3mm, 0.5mm pitch
  • UL 2367 recognition
    • File No. E169910
    • RILM ≥ 5.1kΩ
  • IEC 62368-1 CB certified
  • Operating voltage range (IN):
    • 4.5V to 40V (power limit devices)
    • 2.7V to 40V (current limit devices)
  • Withstands negative voltages up to –1V at output
  • Ultra-low ON-resistance: RON = 152mΩ (typical)
  • 2W to 64W power limiting
  • 0.03A to 1.8A current limiting
  • IN to OUT short detection and indication on FLT pin
  • FLT output for diagnostics and driving external PFET
  • ±5% accurate power limit at 15W (power limit devices)
  • ±6% accurate current limit at 1A (current limit devices)
  • Configurable overvoltage protection
  • Configurable overcurrent protection (IOCP)
  • Configurable blanking time for transient currents
  • Overvoltage protection up to 60V with external FET
  • Adjustable output slew rate control (dVdt) for inrush current protection
  • Enable and shutdown control
  • Output load current monitoring on IOCP pin
  • Overtemperature protection (OTP) with thermal shutdown
  • Small footprint: QFN 3 × 3mm, 0.5mm pitch
  • UL 2367 recognition
    • File No. E169910
    • RILM ≥ 5.1kΩ
  • IEC 62368-1 CB certified

The TPS1641x family are integrated eFuse devices with accurate power limit or current limit. The device family provides robust protection with integrated overcurrent protection, overvoltage protection, IN to OUT short detection, and overtemperature protection.

TPS16410, TPS16411, TPS16414, and TPS16415 devices provide ± 5% power limiting at 15W for loads and also provide configurable blanking time for transient overload or overcurrent events. Use TPS16410, TPS16411, TPS16414, and TPS16415 in low-power circuits (LPCs) for 15W power limiting as per IEC60335 and UL60730 standards. TPS1641x devices provide protection from adjacent pin short and pin short to GND faults.

Applications such as backplane power protection in PLC and DCS modules configure the current limit with a resistor on the ILIM pin. TPS16412, TPS16413, TPS16416, and TPS16417 devices provide ± 6% current limiting at 1A for loads and also provide output slew rate control with dVdT pin to charge large capacitive loads at power up.

TPS1641x features IN to OUT short detection and indicate IN to OUT short on the FLT pin. The FLT pin either provides to MCU as digital input or to drive an external PFET.

The devices are characterized for operation over a junction temperature range from –40°C to +125°C.

The TPS1641x family are integrated eFuse devices with accurate power limit or current limit. The device family provides robust protection with integrated overcurrent protection, overvoltage protection, IN to OUT short detection, and overtemperature protection.

TPS16410, TPS16411, TPS16414, and TPS16415 devices provide ± 5% power limiting at 15W for loads and also provide configurable blanking time for transient overload or overcurrent events. Use TPS16410, TPS16411, TPS16414, and TPS16415 in low-power circuits (LPCs) for 15W power limiting as per IEC60335 and UL60730 standards. TPS1641x devices provide protection from adjacent pin short and pin short to GND faults.

Applications such as backplane power protection in PLC and DCS modules configure the current limit with a resistor on the ILIM pin. TPS16412, TPS16413, TPS16416, and TPS16417 devices provide ± 6% current limiting at 1A for loads and also provide output slew rate control with dVdT pin to charge large capacitive loads at power up.

TPS1641x features IN to OUT short detection and indicate IN to OUT short on the FLT pin. The FLT pin either provides to MCU as digital input or to drive an external PFET.

The devices are characterized for operation over a junction temperature range from –40°C to +125°C.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 TPS1641x 40V, 1.8A Power and Current Limiting eFuse With IN to OUT Short Detection datasheet (Rev. C) PDF | HTML 2026/6/1
證書 TPS1641 UL Certificate of Compliance IEC 62368-1 2025/7/24

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開發板

TPS1641EVM — 適用於 40-V 1.8-A eFuse 的 TPS1641 評估模組

TPS1641EVM 允許對 TPS1641 裝置進行參考電路評估。TPS1641 是一款具 IN 到 OUT 短路偵測、可編程過電壓、突波電流防護、可配置電流及功率限制功能的精巧型 40-V、1.8-A eFuse。

使用指南: PDF | HTML
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模擬型號

TPS1641 PSpice Transient Model

SLVME00.ZIP (103 KB) - PSpice 模型
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計算工具

TPS1641-CALC — TPS1641 design calculator

The design calculator allows customer to size the external peripheral components while designing with TPS1641 eFuse
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計算工具

TVS-RECOMMENDATION-CALC — TVS diode recommendation tool

This tool suggests suitable TVS for given system parameters and abs max voltage rating of the device.
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參考設計

TIDA-010950 — 具有功率調節和霍爾效應位置感測功能的阻尼器與 EEV 控制器參考設計

此參考設計展示了阻尼器致動器與電子膨脹閥的雙馬達驅動解決方案。多重馬達驅動包含一個雙極步進馬達驅動器、一個由 15VDC 來源運作的無刷 DC 馬達驅動器。此設計顯示出精確的功率限制，有助於輕鬆鑑定為由 IEC 60335-1 定義的低功率電路。此參考設計整合 0-10V 和 4-20mA 控制介面，可控制閥門或阻尼器位置，以及用於精確位置感測的 TMAG5273。

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