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TPS4H000-Q1

ACTIVE

40-V, 1-Ω, 4-ch automotive smart high-side switch with adjustable current limit

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Data sheet

TPS4H000-Q1

ACTIVE
Data sheet Order now

Product details

Number of channels 4 Rating Automotive Operating voltage (max) (V) 40 Operating voltage (min) (V) 4 Ron (typ) (mΩ) 1000 Imax (A) 0.75 Current limit (max) (A) 1.3 Current limit (min) (A) 0.1 Current limit type Adjustable FET Internal Features Current sense/monitor, Digital output, Thermal shutdown, Under voltage lock out Current limit accuracy +/-20%@0.1A Current sense accuracy +/-0.75mA@5mA +/-3mA@100mA Operating temperature range (°C) -40 to 125 Function Adjustable current limit, Automotive load dump compatibility, Current monitoring, Inductive load compatibility, Inrush current control, Short circuit protection, Thermal shutdown
Number of channels 4 Rating Automotive Operating voltage (max) (V) 40 Operating voltage (min) (V) 4 Ron (typ) (mΩ) 1000 Imax (A) 0.75 Current limit (max) (A) 1.3 Current limit (min) (A) 0.1 Current limit type Adjustable FET Internal Features Current sense/monitor, Digital output, Thermal shutdown, Under voltage lock out Current limit accuracy +/-20%@0.1A Current sense accuracy +/-0.75mA@5mA +/-3mA@100mA Operating temperature range (°C) -40 to 125 Function Adjustable current limit, Automotive load dump compatibility, Current monitoring, Inductive load compatibility, Inrush current control, Short circuit protection, Thermal shutdown
HTSSOP (PWP) 20 41.6 mm² (6.5 mm × 6.4 mm)
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4B
  • Quad-Channel 1000-mΩ Smart High-Side Switch With Full Diagnostics
    • Version A: Open-Drain Status Output
    • Version B: Current-Sense Analog Output
  • Wide Operating Voltage 3.4 to 40 V
  • Ultralow Standby Current, <500 nA
  • High-Accuracy Current Sense:
    • ±15% Under >5-mA Load
  • Adjustable Current Limit With External Resistor ±20% Under >100-mA Load
  • Protection:
    • Short-to-GND Protection by Current Limit (Internal or External)
    • Thermal Shutdown With Latch-Off Option and Thermal Swing
    • Inductive Load Negative Voltage Clamp With Optimized Slew Rate
    • Loss of GND and Loss of Battery Protection
  • Diagnostic:
    • Overcurrent and Short to Ground Detection
    • Open-Load and Short-to-Battery Detection
    • Global Fault for Fast Interrupt
  • 20-Pin Thermally-Enhanced PWP Package
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4B
  • Quad-Channel 1000-mΩ Smart High-Side Switch With Full Diagnostics
    • Version A: Open-Drain Status Output
    • Version B: Current-Sense Analog Output
  • Wide Operating Voltage 3.4 to 40 V
  • Ultralow Standby Current, <500 nA
  • High-Accuracy Current Sense:
    • ±15% Under >5-mA Load
  • Adjustable Current Limit With External Resistor ±20% Under >100-mA Load
  • Protection:
    • Short-to-GND Protection by Current Limit (Internal or External)
    • Thermal Shutdown With Latch-Off Option and Thermal Swing
    • Inductive Load Negative Voltage Clamp With Optimized Slew Rate
    • Loss of GND and Loss of Battery Protection
  • Diagnostic:
    • Overcurrent and Short to Ground Detection
    • Open-Load and Short-to-Battery Detection
    • Global Fault for Fast Interrupt
  • 20-Pin Thermally-Enhanced PWP Package

The TPS4H000-Q1 family is a fully protected quad-channel smart high-side switch, with integrated 1000‑mΩ NMOS power FETs.

Full diagnostics and high-accuracy current-sense features enable intelligent control of the load.

An external adjustable current limit improves reliability of the whole system by limiting the inrush or overload current.

The TPS4H000-Q1 family is a fully protected quad-channel smart high-side switch, with integrated 1000‑mΩ NMOS power FETs.

Full diagnostics and high-accuracy current-sense features enable intelligent control of the load.

An external adjustable current limit improves reliability of the whole system by limiting the inrush or overload current.

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Technical documentation

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* Data sheet TPS4H000-Q1 40-V, 1000-mΩ Quad-Channel Smart High-Side Switch datasheet (Rev. B) PDF | HTML Mar 12, 2018
Application note Basics of High-Side Switches and Controllers PDF | HTML Mar 31, 2026
Functional safety information TPS4H000-Q1 Functional Safety FIT Rate, FMD, and Pin FMA PDF | HTML Feb 13, 2023
Application note How To Drive Resistive, Inductive, Capacitive, and Lighting Loads (Rev. E) PDF | HTML Mar 9, 2021
Application note Driving PWM Loads with TI High-Side Switches PDF | HTML Mar 2, 2021
Application note Using PSpice Simulator to Model Thermal Behavior in TI’s Smart High-Side Switch PDF | HTML Nov 30, 2020
Application note Designing for Loss of Ground on Texas Instruments High-Side Switches (Rev. A) PDF | HTML Jul 16, 2020
Application note Fault and Normal Diagnostic Considerations for Smart High Side Switches PDF | HTML Jul 10, 2020
Application note High Accuracy Current Sense of Smart High Side Switches Nov 1, 2019
E-book 11 Ways to Protect Your Power Path Jul 3, 2019
Application note AEC-Q100-012 Short-Circuit Reliability Test Results for Smart Power Switches (Rev. A) May 6, 2019
Application brief Improved Automotive Short Circuit Reliability With Adjustable Current Limiting (Rev. A) Apr 11, 2019
Application note Adjustable Current Limit of Smart Power Switches (Rev. B) Jan 21, 2019
Application note Reverse battery protection for high side switches Nov 12, 2018
Application note High-Side Switches Paralleling Channels Apr 30, 2018

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS4H000EVM — TPS4H000-Q1 Quad Channels Smart High-Side Switch Evaluation Module

Texas Instruments TPS4H000-Q1 evaluation module contains a TPS4H000-Q1 integrated circuit (IC), supporting quad channel high side switch application. The purpose of this EVM is to facilitate evaluation of the TPS4H000-Q1 for resistive, capacitive, inductive load.
The TPS4H000-Q1 family is a fully (...)
User guide: PDF
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Simulation model

TPS4H000A-Q1 Unencrypted PSpice Transient Model Package (Rev. A)

SLVMBO5A.ZIP (81 KB) - PSpice model
Supported products & hardware
Simulation model

TPS4H000B-Q1 Unencrypted PSpice Transient Model Package (Rev. A)

SLVMBO8A.ZIP (84 KB) - PSpice model
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
HTSSOP (PWP) 20 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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