High-side switches

Drive greater reliability at the output for any load

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Protect and diagnose your automotive and industrial applications against conditions like short-to-ground and open load. With adjustable current limit, high accuracy current sense and a wide range of RDS(on), our smart high-side switches provide the optimal solution for your specific use case. With our switch portfolio, you can find a protection solution for your inductive, capacitive and resistive loads, ensuring your design is scalable and robust.

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Select a high-side switch for your design

TPS281C100
High-side switches

6-V to 60-V, 100-mΩ, 4.5-A single-channel high-side switch

Approx. price (USD) 1ku | 0.8

TPS2HCS10-Q1
High-side switches

Automotive, dual-channel 10-mΩ smart high-side switch with I²T wire protection, low IQ mode and SPI

Approx. price (USD) 1ku | 1.99

TPS274C65
High-side switches

12-V to 36-V 65-mΩ four-channel high-side switch with SPI interface and integrated ADC

Approx. price (USD) 1ku | 1.89

TPS274C65CP
High-side switches

12-V to 36-V 65-mΩ four-channel high-side switch

Approx. price (USD) 1ku | 1.4

TPS1HTC30-Q1
High-side switches

Automotive, 60-V, 6-A, 30-mΩ, one-channel smart high-side switch with adjustable current limit

Approx. price (USD) 1ku | 1.77

Achieve reliable output power protection

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High-accuracy current sensing

Accurate current sensing enables real-time monitoring of system loads through open load detection without calibration and eliminates the need for additional sensing components.

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Adjustable current limit for targeted protection

Our high-side switches help protect against high inrush current, overload and short-circuit conditions. Adjustable current limit reduces PCB traces and connector sizes to lower your system costs.

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Robust, qualified solutions

Our devices are tested against the rigorous requirements of industry standards, including AEC-Q100, ISO-7637 and IEC-61000.

Technical resources

Video
Video
Power your factory floor with TI high-side switches
With the help of a couple shift registers, learn how our parallel input high-side switches can be controlled from a single microcontroller through SPI communication to flexibly power loads across your factory floor.
Application note
Application note
Adjustable Current Limit of Smart Power Switches (Rev. B)
This application note introduces the principles and advantages of adjustable current limiting before guiding the user through selecting and implementing the adjustable current limit value.
document-pdfAcrobat PDF
Application note
Application note
AEC-Q100-012 Short-Circuit Reliability Test Results for Smart Power Switches (Rev. A)
This application report describes the AEC Q100-012 specification and provides the test method and results for our smart power switches.
document-pdfAcrobat PDF

Discover featured applications

Zonal & body domain controllers
Build versatile zonal modules that can drive a multitude of loads with reduced vehicle cabling
HEV/EV battery management systems
Accommodate higher battery voltages and provide accurate monitoring
Factory automation & motor drives
Distribute 24 V across the factory floor and drive offboard loads in programmable logic controller, motor-drive and robotics applications
Advanced driver assistance systems
Power and protect offboard ADAS sensors, radars and cameras while providing accurate diagnostics
Infotainment & instrument clusters
Design efficient and Functional Safety-Capable instrument cluster and infotainment systems
Grid infrastructure
Distribute power across EV chargers and renewable energy systems

Build versatile zonal modules that can drive a multitude of loads with reduced vehicle cabling

Increased automotive electrical demands require zonal modules that can accommodate a wide range of power needs. Our high-side switches enable design flexibility and contribute to a space- and weight-conscious solution through reduced cabling and fuse replacement.

Benefits:

  • Strikes a balance between thermal performance and size.
  • Replacing discrete relays and fuses helps optimize vehicle cabling.
  • Fault-detection measures.

Featured resources

REFERENCE DESIGNS
  • TIDA-00971 – Automotive load short-circuit reliability and accurate current sensing reference design
  • TIDA-01184 – Smart Power Switch for Seat Heater Reference Design
PRODUCTS
  • TPS1HC30-Q1 – Automotive, 30-mΩ, 5-A single-channel smart high-side switch
  • TPS4H160-Q1 – 40-V, 160-mΩ, 4-ch automotive smart high-side switch with adjustable current limit
  • TPS1HC100-Q1 – Automotive, 100-mΩ, 2.5-A, one-channel smart high-side switch

Accommodate higher battery voltages and provide accurate monitoring

As the automotive industry moves toward hybrid electric vehicles (HEVs) and electric vehicles (EVs), efficient battery management becomes the primary engineering challenge. Our high-side switches have the features and protections necessary for overcoming battery-monitoring design and control challenges. 

Benefits:

  • Feedback that enables efficient control and battery balancing.
  • Built-in system redundancies to help prevent failure. 
  • Overload, short-circuit and reverse-battery protection.

Featured resources

PRODUCTS
  • TPS1HC30-Q1 – Automotive, 30-mΩ, 5-A single-channel smart high-side switch
  • TPS1HC100-Q1 – Automotive, 100-mΩ, 2.5-A, one-channel smart high-side switch
  • TPS2HB35-Q1 – 40-V, 35-mΩ, 2-ch automotive smart high-side switch with adjustable current limit

Distribute 24 V across the factory floor and drive offboard loads in programmable logic controller, motor-drive and robotics applications

Our industrial high-side switches offer smart solutions for enabling smaller and more power-efficient factory modules with increased power density. 

Benefits:

  • Reliably drive offboard loads such as holding brakes, fans, digital outputs, tool attachments and safe-torque-off circuits in motor drives and robotics.
  • Adjustable current limiting and current sensing for protecting and diagnosing load events such as wire breaks, short circuits and overload currents.

Featured resources

REFERENCE DESIGNS
  • TIDA-01552 – 8 Channel, 2-A High-Side Driver Reference Design for Digital Output Modules
  • TIDA-010234 – Eight-port IO-Link master reference design
PRODUCTS
  • TPS274C65 – 12-V to 36-V 65-mΩ four-channel high-side switch with SPI interface and integrated ADC
  • TPS281C30 – 60-V tolerant, 30-mΩ 6-A single-channel high-side switch
  • TPS272C45 – 36-V, 45-mΩ, 3-A, 2-ch, Industrial high-side switch with adjustable current limit

Power and protect offboard ADAS sensors, radars and cameras while providing accurate diagnostics

Advanced driver assistance systems (ADAS) require compact power-switch solutions to provide both power and protection to remote sensor, radar and camera boards. Our high-side switches integrate both protection and diagnostics into a single integrated circuit for driving remote boards. 

Benefits:

  • Adjustable current limiting and current sensing for protecting and diagnosing load events such as wire breaks, short circuits and overload currents.
  • Fault reporting, inrush current control and short-circuit protection.

Featured resources

REFERENCE DESIGNS
  • TIDA-01323 – ADAS multi-sensor hub reference design with quad 4-Gbps FPD-Link III, dual CSI-2 output, and PoC
PRODUCTS
  • TPS1HC30-Q1 – Automotive, 30-mΩ, 5-A single-channel smart high-side switch
  • TPS1HC100-Q1 – Automotive, 100-mΩ, 2.5-A, one-channel smart high-side switch
  • TPS4H160-Q1 – 40-V, 160-mΩ, 4-ch automotive smart high-side switch with adjustable current limit

Design efficient and Functional Safety-Capable instrument cluster and infotainment systems

Automotive instrument clusters and infotainment modules continue to feature more safety and status information for drivers. Our high-side switches can drive the loads for these bigger screens and numerous LEDs in a protected and power-conscious way. 

Benefits:

  • Adjustable current limiting and current sensing for protecting and diagnosing load events such as wire breaks, short circuits and overload currents.
  • An integrated drain-to-source voltage clamp enables the dissipation of inductive energy stored in long cables and inductive loads.

Featured resources

PRODUCTS
  • TPS1HC100-Q1 – Automotive, 100-mΩ, 2.5-A, one-channel smart high-side switch
  • TPS1HC30-Q1 – Automotive, 30-mΩ, 5-A single-channel smart high-side switch
  • TPS2H160-Q1 – 40-V, 160-mΩ, 2-ch automotive smart high-side switch with adjustable current limit

Distribute power across EV chargers and renewable energy systems

Electric vehicle (EV) charging requires safe, quick and efficient charging systems. As charging demands increase, so does the need to flexibly handle electrical loads. Our industrial high-side switches offer smart solutions for your designs, with diagnostics and transient protection.

Benefits:

  • Adjustable current limiting and current sensing for protecting and diagnosing load events such as wire breaks, short circuits and overload currents.
  • An integrated drain-to-source voltage clamp enables the dissipation of inductive energy stored in long cables and inductive loads.

Featured resources

REFERENCE DESIGNS
  • TIDA-01552 – 8 Channel, 2-A High-Side Driver Reference Design for Digital Output Modules
  • TIDA-010234 – Eight-port IO-Link master reference design
PRODUCTS
  • TPS274C65 – 12-V to 36-V 65-mΩ four-channel high-side switch with SPI interface and integrated ADC
  • TPS281C30 – 60-V tolerant, 30-mΩ 6-A single-channel high-side switch
  • TPS272C45 – 36-V, 45-mΩ, 3-A, 2-ch, Industrial high-side switch with adjustable current limit

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