Product details

Imax (A) 4 Current limit (Min) (A) 0.5 Current limit (Max) (A) 7 Current limit type Adjustable HBM ESD (kV) 4 Input threshold CMOS, TTL Current limit accuracy +/-20% @ 0.5A Current sense accuracy +/-5mA @ 5mA, +/-30mA @ 1A Features Current sense/monitor, Digital output, Thermal shutdown, Under voltage lock out Rating Automotive
Imax (A) 4 Current limit (Min) (A) 0.5 Current limit (Max) (A) 7 Current limit type Adjustable HBM ESD (kV) 4 Input threshold CMOS, TTL Current limit accuracy +/-20% @ 0.5A Current sense accuracy +/-5mA @ 5mA, +/-30mA @ 1A Features Current sense/monitor, Digital output, Thermal shutdown, Under voltage lock out Rating Automotive
HTSSOP (PWP) 14 22 mm² 5 x 4.4
  • 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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Type Title Date
* 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 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 note 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? 05 Aug 2016
Technical article New approach for inrush current clamping with smart high side switch 26 Mar 2015
EVM User's guide TPS1H100-Q1 EVM User's Guide 01 Oct 2014

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

Not available on TI.com
Simulation model

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

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

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

SLVMAI8C.ZIP (86 KB) - PSpice Model
Simulation model

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

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

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

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

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Reference designs

TIDA-020010 — Automotive HVAC control reference design with HMI

This reference design offers a cost-effective solution for a heating, ventilation, and air conditioning (HVAC) human-machine interface (HMI) application. This reference design incorporates a synchronous step-down converter, multiple channel half-bridge motor driver for brushed DC motors (BDC), (...)
Schematic: PDF
Reference designs

TIDEP-01008 — Multi-sensor platform reference design on Jacinto™ ADAS processors

The multi-sensor platform reference design for Advanced Driver Assistance Systems (ADAS) from D3 Engineering provides qualified developers with a fully functioning evaluation platform for testing and development of ADAS applications, for use primarily in the automotive industry.  D3 also (...)
Schematic: PDF
Reference designs

TIDA-060009 — Automotive Power Trunk Lift Motor Drive Reference Design

This design describes how to drive an automotive trunk lift or rear gate lift.

In this design, a brushed BD lift motor and electromagnetic clutch drive mechanisms for a typical gear driven lift. This design includes a warning beeper, LED indicator, and directional control that uses an automotive (...)
Schematic: PDF
Reference designs

TIDA-01534 — Automotive Off-battery Dual-phase Boost Converter Reference Design

This reference design is a high power, wide input voltage range circuit that uses synchronous boost controllers in a dual-phase configuration outputting four (4) switchable 12-V rails that each can supply up to 2.5 A with diagnostic features; plus a dual synchronous buck that generates two high (...)
Schematic: PDF
Reference designs

TIDA-01506 — Reference Design for Automotive, Proportional-Solenoid Current Sensor

Precision control of automotive proportional solenoids is necessary to achieve the precise control in an automatic transmission, in electronic fuel injectors, and in several automotive actuator applications. In proportional solenoids, the current flowing through the coil is directly  (...)
Schematic: PDF
Reference designs

TIDA-01424 — Automotive Ultrasonic Kick-to-Open Reference Design

This reference design uses ultrasonic sensing to detect a kicking motion indicating the user's desire to activate a power lift-gate, power trunk, or power sliding door on an automobile.  Ultrasonic sensing allows detection of more than one object, and gives a measure of distance to each (...)
Schematic: PDF
Reference designs

TIDA-00455 — Automotive ADAS Reference Design for Four Camera Hub with Integrated ISP and DVP Outputs

The TIDA-00455 camera hub reference design allows up to four 1.3 Megapixel cameras to be connected to a TDA2x SoC Evaluation Module (EVM). Each camera connects to the hub through a single coax cable.  There are two OmniVision OV490 ISPs on the board that process the video and export it in (...)
Schematic: PDF
Reference designs

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 (...)
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 (...)
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 (...)
User guide: PDF
Schematic: PDF
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HTSSOP (PWP) 14 View options

Ordering & quality

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  • Qualification summary
  • Ongoing reliability monitoring

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