High-side switch controllers
Drive higher power reliably with integrated protection and diagnostics
Browse by category
Broad portfolio of high-side switch controllers to address the needs of automotive power distribution architecture. Our smart power switch controllers enable customers to simplify their design by providing robust protection and diagnostics functions to meet system requirements. Find solutions for zonal and body domain controllers, HEV/EV battery management systems, power-path protection systems and a variety of other applications within our portfolio.
Select by input voltage
High accuracy for improved system safety
High accuracy for improved system safety
Detect faults accurately and provide protection with user-configurable threshold and timings, along with monitoring and diagnostic capabilities
Fast response for enhanced reliability
Helps improve system reliability by fast reaction to system faults such as undervoltage, overvoltage, short circuit, inrush current and reverse polarity
Scalability
Develop scalable and robust high-current protection solution with external field-effect transisotors and smart-side switch controller
Tackle automotive electrical demands with reliable, full-featured zonal modules and power distribution systems
Regardless of whether your vehicle architecture is zonal or domain, our high-side switch controllers provide important protection features and diagnostics that can meet efficiency and power-management needs.
Benefits:
- Integrated diagnostics and fault indication improve system safety.
- Replacing melting fuses with electronic fuses helps to optimize wire harness in vehicles.
- Low-power modes and temperature sensing helps to provide additional flexibility to system design.
Featured resources
- TPS1211-Q1 – Automotive, 3.5V to 45V high-side driver with protection and diagnostics
- TPS4811-Q1 – Automotive, 3.5V to 100V high-side driver with protection and diagnostics
- Achieving Reverse Battery Protection Using TI High Side Switch Controllers (Rev. A) – Application note
- Automotive Smart Fuse (Rev. A) – Application note
Build reliable battery management systems that drive electrification forward
To enable the widespread adoption of hybrid electric vehicles (HEVs) and electric vehicles (EVs), battery management systems must have reliable protections and self-diagnosing abilities. Our high-side switch controllers support the integration of protection and diagnostics while adding flexibility.
Benefits:
- Wide voltage range, with support for 12-V, 24-V and 48-V batteries.
- Full protection features including reverse polarity, short circuit and overcurrent.
- Remote overtemperature protection helps enhance reliability.
Featured resources
- TPS1211-Q1 – Automotive, 3.5V to 45V high-side driver with protection and diagnostics
- TPS4811-Q1 – Automotive, 3.5V to 100V high-side driver with protection and diagnostics
- Automotive Smart Fuse (Rev. A) – Application note
- Achieving Reverse Battery Protection Using TI High Side Switch Controllers (Rev. A) – Application note
Bring EV charging designs to market with higher voltage capabilities
Hybrid electric vehicle (HEV) and electric vehicle (EV) trends continue to indicate shifts toward higher voltages and demand for more diagnostic capabilities. Our high-side switch controllers offer wide voltage ranges and accurate voltage and current diagnostics.
Benefits:
- A wide voltage range provides design flexibility.
- Reverse polarity, short-circuit, overcurrent, undervoltage and overvoltage protection.
- Remote overtemperature monitoring helps enable reliable system protection.
Featured resources
- TPS4811-Q1 – Automotive, 3.5V to 100V high-side driver with protection and diagnostics
- TPS1211-Q1 – Automotive, 3.5V to 45V high-side driver with protection and diagnostics
Design & development resources
TPS1211-Q1 evaluation module for smart high-side driver
The TPS1211Q1EVM allows reference circuit evaluation of TI's TPS12110-Q1 controller. TPS12110-Q1 is 3.5V-40V smart high-side controller with two-level adjustable over current protection with adjustable circuit breaker timer, overvoltage protection, fast short-circuit protection, accurate analog (...)
TPS48111-Q1 evaluation module for smart high-side driver
The TPS48111-Q1 evaluation modue allows reference circuit evaluation of the TPS48111-Q1 driver. TPS48111-Q1 is a 3.5-V to 80-V smart high-side controller with pre-charge driver, two-level adjustable over current protection with adjustable circuit breaker timer, fast short-circuit, accurate analog (...)
TPS48110-Q1 evaluation module for smart high-side driver
The TPS48110Q1EVM allows reference circuit evaluation of TI's TPS48101-Q1 controller. TPS48110-Q1 is 3.5-V to 80-V smart high-side controller with two-level adjustable over current protection with adjustable circuit breaker timer, overvoltage protection, fast short-circuit protection, accurate (...)