TPS4H000AQPWPRQ1 – Integrated Circuit – Texas Instruments

Power Switch ICs – Power Distribution 40-V 1-ohm 4-ch au tomotive smart high-

TPS4H000AQPWPRQ1 – 4-Channel Automotive Power Distribution Switch – Texas Instruments

Optimize power management in demanding automotive systems with the TPS4H000AQPWPRQ1 from Texas Instruments. This 4-channel high-side switch delivers robust load control with integrated protection features, ensuring reliable power distribution for critical vehicle electronics. Designed for harsh environments and AEC-Q100 qualified, it simplifies design while enhancing system safety.

Key Features

• 4 Independent Output Channels: Control multiple loads with high-side N-MOSFET switches
• Wide Operating Voltage: Supports loads from 3.4V to 40V
• High Current Capacity: 750mA max per channel with low 1Ω Rds(on)
• Automotive Grade: AEC-Q100 qualified for reliability in vehicles
• Advanced Protection: Adjustable current limiting & over-temperature shutdown
• Extended Temperature Range: Operates from -40°C to 125°C

Technical Details

This power distribution IC features a simple On/Off interface with 1:1 input-to-output ratio, eliminating the need for a separate Vcc/Vdd supply. Housed in a space-saving 20-PowerTSSOP package (4.40mm width), it integrates four N-Channel MOSFETs with adjustable current limiting thresholds. The device’s fault protection mechanisms prevent damage during overloads or thermal stress, while its surface-mount design enables compact PCB layouts.

Applications

• Automotive body control modules (BCM)
• In-vehicle power distribution units
• ECU power management systems
• LED lighting drivers
• Industrial load switching

About Texas Instruments

Texas Instruments (TI) is a global leader in semiconductor innovation with over 90 years of industry expertise. Their analog and embedded processing technologies are renowned for precision, durability, and cutting-edge design, particularly in automotive electronics. TI maintains rigorous quality standards, holding IATF 16949 certification for automotive components.

TI’s commitment to research and development ensures solutions meet evolving market demands. Their AEC-Q100 qualified products undergo extensive validation for temperature, humidity, and mechanical stress, providing engineers with components trusted by major automotive manufacturers worldwide for mission-critical applications.

About Power Distribution Switches

Power distribution switches manage electrical current flow to subsystems, acting as electronic circuit breakers. They provide critical on/off control while protecting downstream components from overloads, short circuits, and thermal damage. Unlike mechanical relays, these ICs offer faster response, silent operation, and longer lifetimes.

In automotive and industrial settings, these switches enable intelligent power sequencing, reduce wiring complexity, and enhance safety compliance. Their integration simplifies designs by combining multiple discrete components into single packages, improving reliability while minimizing board space and BOM costs in power-critical applications.

Packaging Options

Available for immediate shipment in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® formats to support prototyping and high-volume manufacturing requirements.

FAQs

Question: Is this IC suitable for 12V automotive systems?
Answer: Yes, its 3.4V–40V load range covers standard 12V vehicle electrical systems with margin for voltage transients.

Question: What does AEC-Q100 qualification mean?
Answer: It certifies the component passed rigorous stress tests for automotive environments, including extended temperature cycling and humidity resistance.

Question: How is current limiting adjusted?
Answer: External resistors set current thresholds independently per channel for design flexibility.

Question: Can it drive inductive loads?
Answer: Yes, the integrated protection handles back-EMF from solenoids, motors, and relays.

Question: Is a heat sink required?
Answer: Not typically – the 1Ω Rds(on) minimizes power dissipation. Follow PCB layout guidelines in the datasheet.

Question: Where can I find design resources?
Answer: Access the full datasheet and application notes through PCXCo.com’s product resources section.

Disclaimer: Product images are representational. Refer to datasheet for exact specifications.

Order Today for Fast Delivery!

Streamline your automotive power design with this AEC-Q100 certified solution. PCX guarantees authentic Texas Instruments components with same-day shipping and dedicated engineering support. Order TPS4H000AQPWPRQ1 now to secure stock!