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TPS1HC120-Q1

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Interruptor inteligente automotriz de único canal, de 120 mΩ y de lado alto

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TPS1HC120-Q1

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Detalles del producto

Number of channels 1 Rating Automotive Operating voltage (max) (V) 28 Operating voltage (min) (V) 3 Ron (typ) (mΩ) 120 Imax (A) 1.5 Current limit (max) (A) 2.1 Current limit (min) (A) 0.2 Current limit type Adjustable FET Internal Features Output Short-Circuit and Overload Protection, Thermal shutdown, UVLO, Under voltage lock out Operating temperature range (°C) -40 to 125 Function Adjustable current limit, Automotive load dump compatibility, Inductive load compatibility, Inrush current control, Short circuit protection, Thermal shutdown
Number of channels 1 Rating Automotive Operating voltage (max) (V) 28 Operating voltage (min) (V) 3 Ron (typ) (mΩ) 120 Imax (A) 1.5 Current limit (max) (A) 2.1 Current limit (min) (A) 0.2 Current limit type Adjustable FET Internal Features Output Short-Circuit and Overload Protection, Thermal shutdown, UVLO, Under voltage lock out Operating temperature range (°C) -40 to 125 Function Adjustable current limit, Automotive load dump compatibility, Inductive load compatibility, Inrush current control, Short circuit protection, Thermal shutdown
SOT-5X3 (DYC) 8 2.52 mm² 2.1 x 1.2
  • Single-channel smart automotive high-side switch with full diagnostics
    • Open-drain status output
    • Current sense analog output (1)
    • ON and OFF state open-load detection (1)
  • Wide operating voltage: 3V to 28V
  • Low standby current, < 0.5µA at 85°C
  • Operating junction temperature, –40°C to 150°C
  • Selectable current limit from 0.2A to 2.1A
  • 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-battery, and reverse battery protection
    • Auto-retry on soft-short, latch on hard-short(1)
  • Diagnostic
    • Fault report for fast interrupt
    • On- and Off-state output open-load and short-to-battery detection(1)
    • Overcurrent and short-to-ground detection
    • Thermal shutdown and swing detection
  • Qualifications
    • AEC-Q100 qualified for automotive:
      • Temperature: –40°C to 125°C, TA
    • Electrical transient disturbance immunity certification of ISO7637-2 and ISO16750-2
  • 8-pin small form factor SOT package

(1) Please see the device comparison table for features available to a specific variant.
  • Single-channel smart automotive high-side switch with full diagnostics
    • Open-drain status output
    • Current sense analog output (1)
    • ON and OFF state open-load detection (1)
  • Wide operating voltage: 3V to 28V
  • Low standby current, < 0.5µA at 85°C
  • Operating junction temperature, –40°C to 150°C
  • Selectable current limit from 0.2A to 2.1A
  • 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-battery, and reverse battery protection
    • Auto-retry on soft-short, latch on hard-short(1)
  • Diagnostic
    • Fault report for fast interrupt
    • On- and Off-state output open-load and short-to-battery detection(1)
    • Overcurrent and short-to-ground detection
    • Thermal shutdown and swing detection
  • Qualifications
    • AEC-Q100 qualified for automotive:
      • Temperature: –40°C to 125°C, TA
    • Electrical transient disturbance immunity certification of ISO7637-2 and ISO16750-2
  • 8-pin small form factor SOT package

(1) Please see the device comparison table for features available to a specific variant.

The TPS1HC120-Q1 is a fully protected high-side switch, with integrated NMOS power FET and charge pump, designed to meet the requirements of 12V automotive systems. The low RON (120mΩ typical) minimizes the device power dissipation when driving a wide range of output load current up to 1.5A.

The device integrates protection features such as thermal shutdown, output clamp, and current limit. These features improve system robustness during fault events such as short circuit. The device implements a selectable high-accuracy current limit that improves the reliability of the system by reducing inrush current when driving large capacitive loads. For the A/B variants, the device also provides an accurate current sense that allows for improved load diagnostics such as overload and open-load detection. Low logic high threshold, VIH, of 1.5V on the input pins allow use of MCUs down to 1.8V.

The TPS1HC120-Q1 can be used to drive a wide variety of resistive, inductive, and capacitive loads, including ADAS cameras, LEDs, relays, solenoids, and heaters. The device is available in a 8-pin, ultra-small form-factor 2.1mm × 1.6mm SOT package with 0.5mm pin pitch, minimizing the PCB footprint.

The TPS1HC120-Q1 is a fully protected high-side switch, with integrated NMOS power FET and charge pump, designed to meet the requirements of 12V automotive systems. The low RON (120mΩ typical) minimizes the device power dissipation when driving a wide range of output load current up to 1.5A.

The device integrates protection features such as thermal shutdown, output clamp, and current limit. These features improve system robustness during fault events such as short circuit. The device implements a selectable high-accuracy current limit that improves the reliability of the system by reducing inrush current when driving large capacitive loads. For the A/B variants, the device also provides an accurate current sense that allows for improved load diagnostics such as overload and open-load detection. Low logic high threshold, VIH, of 1.5V on the input pins allow use of MCUs down to 1.8V.

The TPS1HC120-Q1 can be used to drive a wide variety of resistive, inductive, and capacitive loads, including ADAS cameras, LEDs, relays, solenoids, and heaters. The device is available in a 8-pin, ultra-small form-factor 2.1mm × 1.6mm SOT package with 0.5mm pin pitch, minimizing the PCB footprint.
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Documentación técnica

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* Data sheet TPS1HC120-Q1, 120mΩ, 1.5A, Single-Channel Automotive Smart High-Side Switch datasheet PDF | HTML 09 dic 2025

Diseño y desarrollo

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Placa de evaluación

TPS1HC120Q1EVM — Módulo de evaluación TPS1HC120-Q1

El TPS1HC120Q1EVM es un módulo de evaluación (EVM) de hardware que se utiliza para evaluar la funcionalidad y el rendimiento del interruptor de lado alto TPS1HC120-Q1. El TPS1HC120Q1EVM está diseñado para que se lo utilice como una placa independiente con un suministro de tensión y una carga de (...)
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