Product details


Imax (A) 4 Current limit (Min) (A) 7 Current limit (Max) (A) 13 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 open-in-new Find other High-side switches

Package | Pins | Size

HTSSOP (PWP) 14 32 mm² 5 x 6.4 open-in-new Find other High-side switches


  • 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
open-in-new Find other High-side switches


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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NEW TPS1HC100B-Q1 PREVIEW 28-V, 100-mΩ, 2.5-A, 1-ch automotive smart high-side switch Open detection during off state with no external components

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) Dec. 17, 2019
Application note How To Drive Resistive, Inductive, Capacitive, and Lighting Loads (Rev. E) Mar. 09, 2021
Application note Driving PWM Loads with TI High-Side Switches Mar. 02, 2021
Application note Using PSpice Simulator to Model Thermal Behavior in TI’s Smart High-Side Switch Nov. 30, 2020
Application note Designing for Loss of Ground on Texas Instruments High-Side Switches (Rev. A) Jul. 16, 2020
Application note Fault and Normal Diagnostic Considerations for Smart High Side Switches Jul. 10, 2020
White paper Streamlining Functional Safety Certification in Automotive and Industrial Jun. 09, 2020
White paper 簡化汽車及工業領域的功 能安全認證 Jun. 09, 2020
White paper 자동차 및 산업 분야의 기능적 안전성 인증 간소화 Jun. 09, 2020
Functional safety information TPS1H100-Q1 Functional Safety FIT Rate and Failure Mode Distribution Dec. 16, 2019
Application note High Accuracy Current Sense of Smart High Side Switches Nov. 01, 2019
E-book 11 Ways to Protect Your Power Path white paper Jul. 03, 2019
Application note AEC-Q100-012 Short-Circuit Reliability Test Results for Smart Power Switches (Rev. A) May 06, 2019
Application note Basics of Power Switches (Rev. A) Apr. 26, 2019
Application note 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
Technical article Who tampered with my PLC? Are industrial control systems too flexible? Aug. 05, 2016
Technical article New approach for inrush current clamping with smart high side switch Mar. 26, 2015
User guide TPS1H100-Q1 EVM User's Guide Oct. 01, 2014

Design & development

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

Hardware development

document-generic User guide

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


  • Single Channel High side power switch, tested according to AECQ100-12
  • Operating Voltage 5-40V, extended operating down to 3.5V.
  • Very low standby current, <1uA
  • High accuracy Current Sense (version B)
  • Programmable current limit functions

Design tools & simulation

SLVMAI7C.ZIP (88 KB) - PSpice Model
SLVMAI8C.ZIP (86 KB) - PSpice Model
SLVMBG1A.ZIP (26 KB) - TINA-TI Spice Model
SLVMBG2A.TSC (181 KB) - TINA-TI Reference Design
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — 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 (...)
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

Reference designs

参考设计 Download
Automotive HVAC control reference design with HMI
TIDA-020010 — 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 (...)
document-generic Schematic
参考设计 Download
Multi-sensor platform reference design on Jacinto™ ADAS processors
TIDEP-01008 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 offers (...)
document-generic Schematic
参考设计 Download
Automotive Power Trunk Lift Motor Drive Reference Design
TIDA-060009 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 (...)
document-generic Schematic
参考设计 Download
Automotive Off-battery Dual-phase Boost Converter Reference Design
TIDA-01534 — 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 (...)
document-generic Schematic
参考设计 Download
Reference Design for Automotive, Proportional-Solenoid Current Sensor
TIDA-01506 — 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  oportional (...)
document-generic Schematic
参考设计 Download
Automotive Ultrasonic Kick-to-Open Reference Design
TIDA-01424 — 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 object (...)
document-generic Schematic
参考设计 Download
Automotive ADAS Reference Design for Four Camera Hub with Integrated ISP and DVP Outputs
TIDA-00455 — 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 (...)
document-generic Schematic
参考设计 Download
Inrush Current Limiter for Automotive Applications Reference Design
TIDA-00866 — 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 (...)
document-generic Schematic
参考设计 Download
Automotive high-side dimming rear light reference design
TIDA-00846 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 (...)
document-generic Schematic
参考设计 Download
Automotive Body Control Module Driver Reference Design
TIDA-00296 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 into (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

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HTSSOP (PWP) 14 View options

Ordering & quality

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