High-side switch controllers
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TI offers a broad variety of high-side switch controllers to address the needs of different automotive power distribution architectures, with features including multichannel, efuse, and both analog and digital interface. 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.
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Select a high-side switch controller for your design
High accuracy for improved system safety
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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
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
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
Find additional resources to get started
Next-gen automotive power distribution and electrification with TI's high side switch controllers
Learn to design optimized automotive power protection for HEV/EV systems using TI's high side switch controllers with robust protection and diagnostics.
Achieving Reverse Battery Protection Using TI High Side Switch Controllers (Rev. A)
Learn how TI's high-side switch controllers such as TPS1211-Q1, TPS1214-Q1 can be used to achieve reverse battery protection for various high current body loads with various circuit configurations.
TPS12S24F-Q1: TI’s Flagship High-Side Switch Controller
Learn the broad capabilities of TPS12S24F-Q1, which provides a complete design for legacy and progressive architectures in both 12V and 48V domains, in power distribution, and DC/DC converters.
BMS Breakers and Designing With TPS1210-Q1 and TPS4810-Q1 Low IQ Smart High-Side Drivers System Architectures
Learn how TPS1210-Q1 and TPS4810-Q1, low-IQ dual high-side driver simplifies the high current disconnect switch design for BMS system.
Design & development resources
TPS12S24F-Q1 evaluation module
The TPS12SxxF EVM showcases and evaluates features of the smart fuse high-side switch controller portfolio from Texas Instruments. The EVM is designed to work for each variant TPS12S13F, TPS12S23F, TPS12S14F, and TPS12S24F, enabling the use of a single host EVM for a variety of different high-side (...)
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 (...)