TPS1HC100B-Q1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments TPS1HC100B-Q1 is an AEC-Q100 automotive smart high-side switch with 100 mΩ on-resistance and 2.5 A continuous load current in a small-outline package. It integrates overcurrent, overtemperature, and open-load protection with a diagnostic output. Designed for 12 V automotive body-control and industrial load-switching applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 15
- Lifecycle
- ACTIVE
- Datasheet
- TPS1HC100B-Q1 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 100 mΩ on-resistance minimizes conductive losses at 2.5 A continuous current
- AEC-Q100 qualified for automotive 12 V body-electronics and HVAC applications
- Integrated overcurrent, overtemperature, and open-load fault detection with diagnostic output
- Single-channel architecture simplifies layout for dedicated load-switch circuits
- Wide operating supply range supports both 12 V and 24 V vehicle electrical systems
- Small Outline package enables high-density PCB assembly in body control modules
Applications
The TPS1HC100B-Q1 is used in automotive body control modules, HVAC blower motor switches, and exterior lighting drivers where a single 2.5 A smart high-side switch with fault reporting replaces a discrete MOSFET and protection circuitry. Its 100 mΩ on-resistance and AEC-Q100 qualification make it well suited for 12 V rail loads that require reliable current control and diagnostics over an automotive lifetime. The device is also applied in industrial equipment and building automation where a compact, protected load switch reduces board complexity and improves system robustness.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS1HC100B-Q1:
Frequently Asked Questions
How does the 100 mΩ on-resistance of the TPS1HC100B-Q1 affect power dissipation at its 2.5 A rated current?
At 2.5 A through 100 mΩ, the conduction loss is 0.625 W (P = I²R), which is well within the thermal rating of the small-outline package and keeps junction temperature rise moderate under normal 12 V automotive operating conditions. This low loss reduces heat sink requirements and improves overall system efficiency compared to higher-resistance discrete high-side switches.
Which fault conditions does the TPS1HC100B-Q1 detect, and how does it communicate them to the host ECU?
The TPS1HC100B-Q1 detects overcurrent faults above the 2.5 A threshold, overtemperature conditions, and open-load failures on the output rail. These faults are flagged through a dedicated diagnostic output pin that the host ECU can sample via GPIO, enabling rapid fault isolation in 12 V body control modules without separate current sense amplifiers.
For an automotive designer replacing a discrete MOSFET with the TPS1HC100B-Q1, what integration benefits justify the switch?
The TPS1HC100B-Q1 integrates a gate driver, 100 mΩ MOSFET, overcurrent protection, thermal shutdown, and open-load detection in a single small-outline package, eliminating at least four discrete components. AEC-Q100 qualification confirms the device meets automotive quality and reliability standards across a -40°C to +125°C temperature range, reducing design risk and simplifying PPAP documentation.
Related Guides
EEEFK1E470P Selection Guide for 47 uF SMD Aluminum Electrolytic Capacitors
Selection guidance for EEEFK1E470P and nearby Panasonic FK or FT SMD aluminum electrolytic capacitors for power-rail bulk decoupling.
Jul 7, 2026
EEEFT1V101AP Design Guide for SMD Aluminum Electrolytic Bulk Decoupling
Design guidance for using EEEFT1V101AP as an SMD aluminum electrolytic bulk capacitor in power-rail decoupling and hold-up networks.
Jul 7, 2026
How to Choose a 3528 SMD Indicator LED for Blue Status Lighting: Selection Guide
A practical 3528 SMD indicator LED selection guide using 150141BS73100 and related Wurth 150141 variants for blue status lighting.
Jul 5, 2026
BAS70KFILM Design Guide for Low-Leakage Signal Clamping and RF Detector Inputs
Practical BAS70KFILM design guidance for signal clamps, RF detector inputs, leakage control, capacitance, layout, and sourcing alternatives.
Jul 5, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”