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TPS4HC120-Q1

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Datenblatt

TPS4HC120-Q1

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Datenblatt Jetzt bestellen

Produktdetails

Number of channels 4 Rating Automotive Operating voltage (max) (V) 28 Operating voltage (min) (V) 3 Ron (typ) (mΩ) 120 Imax (A) 2.5 Current limit (max) (A) 5 Current limit (min) (A) 0.25 Current limit type Adjustable FET Internal Features Current sense/monitor, Digital output, Thermal shutdown, Under voltage lock out Current sense accuracy ±3% @ 1A Operating temperature range (°C) -40 to 125 Function Adjustable current limit, Automotive load dump compatibility, Current monitoring, Inductive load compatibility, Inrush current control, Short circuit protection, Thermal shutdown
Number of channels 4 Rating Automotive Operating voltage (max) (V) 28 Operating voltage (min) (V) 3 Ron (typ) (mΩ) 120 Imax (A) 2.5 Current limit (max) (A) 5 Current limit (min) (A) 0.25 Current limit type Adjustable FET Internal Features Current sense/monitor, Digital output, Thermal shutdown, Under voltage lock out Current sense accuracy ±3% @ 1A Operating temperature range (°C) -40 to 125 Function Adjustable current limit, Automotive load dump compatibility, Current monitoring, Inductive load compatibility, Inrush current control, Short circuit protection, Thermal shutdown
HVSSOP (DGQ) 28 34.79 mm² (7.1 mm × 4.9 mm)
  • Quad-channel 120mΩ automotive smart high-side switch with full diagnostics
    • Open-drain status output
    • Current sense analog output
  • Wide operating voltage: 3V to 28V
  • Low power mode (LPM) with automatic entry/exit
    • IQ,LPM < 20µA/ch with all 4 channels ON
  • Ultra-low sleep current, < 1µA at 25°C
  • Selectable current limit, 0.25A to 4.85A
  • Protection
    • Overload and short-circuit protection
    • Thermal shutdown and swing with self recovery
    • Inductive load negative voltage clamp
    • Loss-of-GND / battery, reverse battery
  • Diagnostics
    • Fault report for fast interrupt
    • Overcurrent and short-to-ground detection
    • Open-load and short-to-battery detection
  • Automotive qualified
    • AEC-Q100 qualified for automotive applications:
      • Temperature: –40°C to 125°C, TA
    • Electrical transient disturbance immunity certification of ISO7637-2 and ISO16750-2
  • Package: 28-pin thermally-enhanced HVSSOP
  • Functional Safety Capable
  • Quad-channel 120mΩ automotive smart high-side switch with full diagnostics
    • Open-drain status output
    • Current sense analog output
  • Wide operating voltage: 3V to 28V
  • Low power mode (LPM) with automatic entry/exit
    • IQ,LPM < 20µA/ch with all 4 channels ON
  • Ultra-low sleep current, < 1µA at 25°C
  • Selectable current limit, 0.25A to 4.85A
  • Protection
    • Overload and short-circuit protection
    • Thermal shutdown and swing with self recovery
    • Inductive load negative voltage clamp
    • Loss-of-GND / battery, reverse battery
  • Diagnostics
    • Fault report for fast interrupt
    • Overcurrent and short-to-ground detection
    • Open-load and short-to-battery detection
  • Automotive qualified
    • AEC-Q100 qualified for automotive applications:
      • Temperature: –40°C to 125°C, TA
    • Electrical transient disturbance immunity certification of ISO7637-2 and ISO16750-2
  • Package: 28-pin thermally-enhanced HVSSOP
  • Functional Safety Capable

The TPS4HC120-Q1 is an automotive quad-channel, smart high-side switch, with integrated NMOS power FET and charge pump, designed to meet the requirements of 12V automotive battery systems. The low RON (120mΩ) minimizes the device power dissipation when driving a wide range of output load current up to 2A when all four channels are enabled or 3A when only one channel is enabled.

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 TPS4HC120-Q1 implements a selectable current limiting circuit that improves the reliability of the system by reducing inrush current when driving large capacitive loads and minimizing overload current. The device offers 10 selectable current limit settings (0.25A to 4.85A) based on the external resistor used on the ILIM pin. The device also provides an accurate load current sense that allows for improved load diagnostics such as overload and open-load detection, which enables better predictive maintenance.

The TPS4HC120-Q1 is available in a 28-pin, 7.1mm × 4.9mm HVSSOP leaded package with 0.5mm pin pitch minimizing the PCB footprint.

The TPS4HC120-Q1 is an automotive quad-channel, smart high-side switch, with integrated NMOS power FET and charge pump, designed to meet the requirements of 12V automotive battery systems. The low RON (120mΩ) minimizes the device power dissipation when driving a wide range of output load current up to 2A when all four channels are enabled or 3A when only one channel is enabled.

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 TPS4HC120-Q1 implements a selectable current limiting circuit that improves the reliability of the system by reducing inrush current when driving large capacitive loads and minimizing overload current. The device offers 10 selectable current limit settings (0.25A to 4.85A) based on the external resistor used on the ILIM pin. The device also provides an accurate load current sense that allows for improved load diagnostics such as overload and open-load detection, which enables better predictive maintenance.

The TPS4HC120-Q1 is available in a 28-pin, 7.1mm × 4.9mm HVSSOP leaded package with 0.5mm pin pitch minimizing the PCB footprint.
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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TPS4HC120-Q1 120mΩ, 2A, Quad-Channel Automotive Smart High-Side Switch datasheet (Rev. C) PDF | HTML 02.10.2026
Anwendungshinweis Basics of High-Side Switches and Controllers PDF | HTML 31.03.2026
Informationen zur funktionalen Sicherheit TPS4HC120-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 13.06.2025

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