Automotive 28-V, 100-mΩ, 2.5-A, one-channel smart high-side switch

TPS1HC100-Q1

ACTIVE

Product details

Imax (A) 2.5 Current limit (Min) (A) 0.633 Current limit (Max) (A) 6.9 Current limit type Adjustable HBM ESD (kV) 4 Input threshold 1.5V Current limit accuracy +/-10% @ 1.8A Current sense accuracy +/-4mA @ 5mA, +/-30mA @ 1A Features Adjustable current limit, Automotive load dump, Current sense output, Fault reporting, Inductive load, Inrush current control, Short circuit protection, Thermal shutdown, Under voltage lock out Rating Automotive
Imax (A) 2.5 Current limit (Min) (A) 0.633 Current limit (Max) (A) 6.9 Current limit type Adjustable HBM ESD (kV) 4 Input threshold 1.5V Current limit accuracy +/-10% @ 1.8A Current sense accuracy +/-4mA @ 5mA, +/-30mA @ 1A Features Adjustable current limit, Automotive load dump, Current sense output, Fault reporting, Inductive load, Inrush current control, Short circuit protection, Thermal shutdown, Under voltage lock out Rating Automotive
HTSSOP (PWP) 14 32 mm² 5 x 6.4
  • Single-channel smart high-side power switch for 12-V automotive systems with full diagnostics
    • Open-drain status output
    • Current sense analog output
  • Wide operating voltage 3 to 28 V
  • Low standby current, < 0.5 µA at 85°C
  • Operating junction temperature, –40 to 150°C
  • 1.8-V, 3.3-V and 5-V logic compatible
  • Fault sense voltage scaling for ADC protection
  • Programmable current limit accuracy ±18% at 1.9 A
  • High-accuracy current sense, ±6% at 1 A
  • Protection
    • Overload and short-circuit protection
    • Inductive load negative voltage clamp
    • Undervoltage Lockout (UVLO) protection
    • Thermal shutdown and swing with self recovery
    • Loss of GND, loss of supply protection
    • Reverse battery protection with external components
  • Diagnostic
    • On- and off-state output open-load and short-to-battery detection
    • Overload and short to ground detection
    • Thermal shutdown and swing detection
  • Qualifications
  • 14-pin thermally-enhanced PWP package
  • Single-channel smart high-side power switch for 12-V automotive systems with full diagnostics
    • Open-drain status output
    • Current sense analog output
  • Wide operating voltage 3 to 28 V
  • Low standby current, < 0.5 µA at 85°C
  • Operating junction temperature, –40 to 150°C
  • 1.8-V, 3.3-V and 5-V logic compatible
  • Fault sense voltage scaling for ADC protection
  • Programmable current limit accuracy ±18% at 1.9 A
  • High-accuracy current sense, ±6% at 1 A
  • Protection
    • Overload and short-circuit protection
    • Inductive load negative voltage clamp
    • Undervoltage Lockout (UVLO) protection
    • Thermal shutdown and swing with self recovery
    • Loss of GND, loss of supply protection
    • Reverse battery protection with external components
  • Diagnostic
    • On- and off-state output open-load and short-to-battery detection
    • Overload and short to ground detection
    • Thermal shutdown and swing detection
  • Qualifications
  • 14-pin thermally-enhanced PWP package

The TPS1HC100-Q1 device is a fully protected high-side power switch, with integrated NMOS power FET and charge pump, targeted for the intelligent control of various loads. Accurate current sense and programmable current limit features differentiate it from the market.

Low logic high threshold, VIH, of 1.5 V on the input pins allow use of MCUs GPIO signals to 1.8 V. High-accuracy current sensing provides a better real-time monitoring effect and more accurate diagnostics without further calibration. The external high-accuracy current limit allows setting the current limit value by application. The device highly improves the reliability of the system by effectively clamping the inrush current under start-up or short-circuit conditions. The TPS1HC100-Q1 device can be used as a high-side power switch for a wide variety of resistive, inductive, and capacitive loads, including low-wattage bulbs, LEDs, relays, solenoids, and heaters.

The TPS1HC100-Q1 device is a fully protected high-side power switch, with integrated NMOS power FET and charge pump, targeted for the intelligent control of various loads. Accurate current sense and programmable current limit features differentiate it from the market.

Low logic high threshold, VIH, of 1.5 V on the input pins allow use of MCUs GPIO signals to 1.8 V. High-accuracy current sensing provides a better real-time monitoring effect and more accurate diagnostics without further calibration. The external high-accuracy current limit allows setting the current limit value by application. The device highly improves the reliability of the system by effectively clamping the inrush current under start-up or short-circuit conditions. The TPS1HC100-Q1 device can be used as a high-side power switch for a wide variety of resistive, inductive, and capacitive loads, including low-wattage bulbs, LEDs, relays, solenoids, and heaters.

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Technical documentation

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Type Title Date
* Data sheet TPS1HC100-Q1, 100-mΩ, 2.5-A Single-Channel Automotive Smart High-Side Switch datasheet (Rev. A) 08 Dec 2021
Functional safety information TPS1HC100-Q1 Functional Safety FIT Rate, FMD and Pin FMA 09 Dec 2021
Application note Driving Front Camera Modules with TPS1HC100-Q1 31 Aug 2021
User guide TPS1HC100 Evaluation Module 19 Jul 2021

Design & development

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Evaluation board

TPS1HC100EVM — TPS1HC100-Q1 evaluation module for automotive 100-mΩ high-side switch

The TPS1HC100EVM is a hardware evaluation module (EVM) used to enable hardware engineers to evaluate the full performance and functionality of the TPS1HC100-Q1 automotive high-side switch. The TPS1HC100EVM contains everything needed to test and assess the TPS1HC100-Q1 before designing it into part (...)
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Simulation model

TPS1HC100-Q1 PSpice Transient Model

SLVMDR0.ZIP (64 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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HTSSOP (PWP) 14 View options

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