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TPS1H100-Q1

ACTIVE

40-V, 100-mΩ, 1-ch automotive smart high-side switch with adjustable current limit

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Data sheet

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TPS1HC100-Q1 ACTIVE Automotive, 100-mΩ, 2.5-A, one-channel smart high-side switch Open detection during off state with no external components

TPS1H100-Q1

ACTIVE
Data sheet Order now

Product details

Number of channels 1 Rating Automotive Operating voltage (max) (V) 40 Operating voltage (min) (V) 5 Ron (typ) (mΩ) 100 Imax (A) 4 Current limit (max) (A) 7 Current limit (min) (A) 0.5 Current limit type Adjustable FET Internal Features Current sense/monitor, Digital output, Thermal shutdown, Under voltage lock out TI functional safety category Functional Safety-Capable Current limit accuracy +/-20% @ 0.5A Current sense accuracy +/-30mA @ 1A, +/-5mA @ 5mA 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 1 Rating Automotive Operating voltage (max) (V) 40 Operating voltage (min) (V) 5 Ron (typ) (mΩ) 100 Imax (A) 4 Current limit (max) (A) 7 Current limit (min) (A) 0.5 Current limit type Adjustable FET Internal Features Current sense/monitor, Digital output, Thermal shutdown, Under voltage lock out TI functional safety category Functional Safety-Capable Current limit accuracy +/-20% @ 0.5A Current sense accuracy +/-30mA @ 1A, +/-5mA @ 5mA 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) 14 32 mm² 5 x 6.4
  • 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 H3A
    • Device CDM ESD classification level C4B
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Single-channel smart high-side power switch with full diagnostics
    • Version A: open-drain status output
    • Version B: current sense analog output
  • Wide operating voltage 3.5 to 40 V
  • Very-low standby current, <0.5 µA
  • Operating junction temperature, –40 to 150°C
  • Input control, 3.3-V and 5-V logic compatible
  • High-accuracy current sense, ±30 mA at 1 A,
    ±4 mA at 5 mA
  • Programmable current limit with external resistor, ±20% at 0.5 A
  • Diagnostic enable function for multiplexing of mcu analog or digital interface
  • Tested according to AECQ100-12 Grade A,
    1 million times Short to GND test
  • Electrical transient disturbance immunity certification of ISO7637-2 and ISO16750-2
  • Protection
    • Overload and short-circuit protection
    • Inductive load negative voltage clamp
    • Undervoltage lockout (UVLO) protection
    • Thermal shutdown/swing with self recovery
    • Loss of GND, loss of supply protection
    • Reverse battery protection with external circuitry
  • Diagnostic
    • On- and Off-state output open- and short-to-battery detection
    • Overload and short to ground detection and current limit
    • Thermal shutdown/swing detection
  • 14-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 H3A
    • Device CDM ESD classification level C4B
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Single-channel smart high-side power switch with full diagnostics
    • Version A: open-drain status output
    • Version B: current sense analog output
  • Wide operating voltage 3.5 to 40 V
  • Very-low standby current, <0.5 µA
  • Operating junction temperature, –40 to 150°C
  • Input control, 3.3-V and 5-V logic compatible
  • High-accuracy current sense, ±30 mA at 1 A,
    ±4 mA at 5 mA
  • Programmable current limit with external resistor, ±20% at 0.5 A
  • Diagnostic enable function for multiplexing of mcu analog or digital interface
  • Tested according to AECQ100-12 Grade A,
    1 million times Short to GND test
  • Electrical transient disturbance immunity certification of ISO7637-2 and ISO16750-2
  • Protection
    • Overload and short-circuit protection
    • Inductive load negative voltage clamp
    • Undervoltage lockout (UVLO) protection
    • Thermal shutdown/swing with self recovery
    • Loss of GND, loss of supply protection
    • Reverse battery protection with external circuitry
  • Diagnostic
    • On- and Off-state output open- and short-to-battery detection
    • Overload and short to ground detection and current limit
    • Thermal shutdown/swing detection
  • 14-Pin Thermally-enhanced PWP package

The TPS1H100-Q1 device is a fully protected high-side power switch, with integrated NMOS power FET and charge pump, targeted for the intelligent control of the variable kinds of resistive, inductive, and capacitive loads. Accurate current sense and programmable current limit features differentiate it from the market.

The TPS1H100-Q1 device is a fully protected high-side power switch, with integrated NMOS power FET and charge pump, targeted for the intelligent control of the variable kinds of resistive, inductive, and capacitive loads. Accurate current sense and programmable current limit features differentiate it from the market.
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Technical documentation

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* Data sheet TPS1H100-Q1 40-V, 100-mΩ Single-Channel Smart High-Side Power Switch datasheet (Rev. D) PDF | HTML 17 Dec 2019
Application note Basics of High-Side Switches and Controllers PDF | HTML 31 Mar 2026
Application note How To Drive Resistive, Inductive, Capacitive, and Lighting Loads (Rev. E) PDF | HTML 09 Mar 2021
Application note Driving PWM Loads with TI High-Side Switches PDF | HTML 02 Mar 2021
Application note Using PSpice Simulator to Model Thermal Behavior in TI’s Smart High-Side Switch PDF | HTML 30 Nov 2020
Application note Designing for Loss of Ground on Texas Instruments High-Side Switches (Rev. A) PDF | HTML 16 Jul 2020
Application note Fault and Normal Diagnostic Considerations for Smart High Side Switches PDF | HTML 10 Jul 2020
Functional safety information Streamlining Functional Safety Certification in Automotive and Industrial 09 Jun 2020
White paper 簡化汽車及工業領域的功 能安全認證 09 Jun 2020
White paper 자동차 및 산업 분야의 기능적 안전성 인증 간소화 09 Jun 2020
Functional safety information TPS1H100-Q1 Functional Safety FIT Rate and Failure Mode Distribution 16 Dec 2019
Application note High Accuracy Current Sense of Smart High Side Switches 01 Nov 2019
E-book 11 Ways to Protect Your Power Path 03 Jul 2019
Application note AEC-Q100-012 Short-Circuit Reliability Test Results for Smart Power Switches (Rev. A) 06 May 2019
Application note Basics of Power Switches (Rev. A) PDF | HTML 26 Apr 2019
Application brief Improved Automotive Short Circuit Reliability With Adjustable Current Limiting (Rev. A) 11 Apr 2019
Application note Adjustable Current Limit of Smart Power Switches (Rev. B) 21 Jan 2019
Application note Reverse battery protection for high side switches 12 Nov 2018
Technical article Who tampered with my PLC? Are industrial control systems too flexible? PDF | HTML 05 Aug 2016

Design & development

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

Evaluation board

TPS1H100EVM — TPS1H100-Q1 Evaluation Module: Single-Channel Smart High-Side Driver EVM

Texas Instruments TPS1H100-Q1 evaluation module contains a TPS1H100-Q1 integrated circuit (IC), supporting 1 channel high side driver application. The purpose of this EVM is to facilitate evaluation of the TPS1H100-Q1 for resistive, capacitive, inductive load layout of the EVM

User guide: PDF
Not available on TI.com
Simulation model

TPS1H100A-Q1 PSpice Unencrypted Transient Model (Rev. C)

SLVMAI7C.ZIP (88 KB) - PSpice Model
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Simulation model

TPS1H100B-Q1 TINA-TI Reference Design (Rev. A)

SLVMBG2A.TSC (181 KB) - TINA-TI Reference Design
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Simulation model

TPS1H100B-Q1 TINA-TI Transient Spice Model (Rev. A)

SLVMBG1A.ZIP (26 KB) - TINA-TI Spice Model
Download
Simulation model

TPS1H100B-Q1 Unencrypted PSpice Transient Model Package (Rev. C)

SLVMAI8C.ZIP (86 KB) - PSpice Model
Download
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Design guide: PDF
Schematic: PDF
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Schematic: PDF
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Schematic: PDF
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Schematic: PDF
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Schematic: PDF
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TIDA-00866 — Inrush Current Limiter for Automotive Applications Reference Design

This reference design not only offers protective measures and diagnostics for off-board load, but also clamps the start-up inrush current effectively. A typical application acts as a power switch for the remote display in the automotive infotainment system. This (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-00846 — Automotive high-side dimming rear light reference design

This reference design is for automotive high-side dimming rear light, which uses BCM to supply the rear light. In the design, the high-side driver TPS1H100-Q1 is used to output PWM supply with different duty cycle. Linear LED drivers TPS92630-Q1 and TPS92638-Q1 are used to drive LEDs in constant (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-00296 — Automotive Body Control Module Driver Reference Design

TIDA-00296 is a reference design that highlights TI's high-side and low-side relay, motor, and load driver portfolios. The loads for this design (door locks, window lifts, seat heaters, HVAC, lamps, and LEDs) were chosen to show the range of loads that a BCM can drive and how TI's solutions fit (...)
Test report: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
HTSSOP (PWP) 14 Ultra Librarian
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  • Ongoing reliability monitoring
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