智能电子保险丝高侧开关

Bringing precision, efficiency, and safety to modern automotive zone architectures

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Our smart eFuse high-side switch portfolio with I2T configurability delivers precise diagnosis and fast response to provide wire-harness protection in zone and power distribution applications. TI's eFuse high-side switches support flexible load settings, reduce system complexity and hardware variation. The digital interface enables over-the-air updates, making these devices core building blocks of the software-defined vehicle.

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High-side switches

Learn more about TI's broad portfolio of high-side switches for off-board load driving in automotive and industrial applications.

High-side switch controllers

For high current loads check out our high-side switch controllers.

TPS2HCS10-Q1
智能电子保险丝高侧开关

具有 I2T 线保护、低 IQ 模式和 SPI 的汽车级双通道 11.3mΩ 智能高侧开关

价格约为 (USD) 1ku | 1.337

TPS4816-Q1
智能电子保险丝高侧开关

具有 I2t、短路保护和诊断功能的汽车级 100V 低 IQ 高侧驱动器

价格约为 (USD) 1ku | 2.113

TPS2HCS08-Q1
智能电子保险丝高侧开关

具有 I2T 线保护、低 IQ 模式和 SPI 的汽车级双通道 8.9mΩ 智能高侧开关

价格约为 (USD) 1ku | 1.697

TPS4812-Q1
智能电子保险丝高侧开关

具有双向电流监测、I2t 和诊断功能的汽车级 100V 低 IQ 高侧驱动器

价格约为 (USD) 1ku | 2.582

Build smarter and safer automotive power distribution

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Software-defined fuse

Configurable I2t enables precise, fast-acting fault protection tailored to automotive zone needs—boosting safety, efficiency, and system reliability under all load conditions.

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Better energy efficiency

As power budgets become more constrained, our smart eFuse high-side switches cut power loss to enable more energy-efficient zone controllers.

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Comprehensive fault protection and granular diagnostics

With a digital interface, integrated ADC, and fault log, the smart eFuse high-side switches better inform predictive maintenance systems and enables centralized fault management in zone architectures.

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Smart, scalable cross-platform power distribution

Our smart eFuse high-side switches offer scalable protection, remote reprogramming, and enhanced serviceability—enabling over-the-air updates and streamlined design across zonal vehicle platforms.

设计和开发资源

评估板
智能保险丝评估模块

HSS-HCMOTHERBRDEVM 和相应的子卡(例如 HSS-2HCS10EVM)用于展示和评估德州仪器 (TI) 智能保险丝高侧开关产品系列的所有功能。主板旨在与多个不同子卡一起使用,从而可以将单个主机 EVM 用于具有不同导通电阻和功能的各种不同高侧开关。

评估板
适用于智能高侧控制器的 TPS48120QRGERQ1 评估模块

TPS4812Q1EVM 可对 TI 的 TPS4812-Q1 智能高侧驱动器进行参考电路评估。TPS4812-Q1 是一款 3.5V 至 95V 智能高侧控制器,包含两个具有单独控制输入的强大 2A 栅极驱动器,支持多种配置,包括低功耗路径模式以及自动负载唤醒选项。TPS4812-Q1 提供双向电流监测和基于可调节 I2t 的过流和短路保护,以及可配置的自动重试和锁存故障行为。