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TPS2551

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Einstellbarer strombegrenzter Konstantstromschalter mit aktivem Hochpegel zur Leistungsverteilung

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TPS2553 AKTIV 0,075–1,7 A einstellbar USB-Leistungsschalter mit Strombegrenzung, 2,5 V–6,5 V, 85 mΩ, Active Low, R This product is more accurate, SBS 1.1 Compliant, has faster communication capability and has a maintained design environment.

TPS2551

NICHT FÜR NEUE DESIGNS EMPFOHLEN
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Produktdetails

Product type Adjustable current limit, Power switch Vin (min) (V) 2.5 Vin (max) (V) 6.5 Continuous current (max) (A) 1.1 Current limit (A) 0.1 to 1.1 Operating temperature range (°C) -40 to 85 Enable Active High Number of switches 1 Current limit accuracy at 1 A 30% (700mA min / 1300mA max) Rating Catalog
Product type Adjustable current limit, Power switch Vin (min) (V) 2.5 Vin (max) (V) 6.5 Continuous current (max) (A) 1.1 Current limit (A) 0.1 to 1.1 Operating temperature range (°C) -40 to 85 Enable Active High Number of switches 1 Current limit accuracy at 1 A 30% (700mA min / 1300mA max) Rating Catalog
SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8 WSON (DRV) 6 4 mm² 2 x 2
  • Adjustable current-limit, 100 mA–1100 mA
  • Fast overcurrent response - 2 µS typical
  • 94-mΩ high-side MOSFET (DBV package)
  • Reverse input-output voltage protection
  • Operating range: 2.5 V to 6.5 V
  • Deglitched fault report
  • 1-µA maximum standby supply current
  • Junction temperature range: –40°C to 125°C
  • Built-in soft-start
  • 15 kV ESD protection (with external capacitance)
  • UL listed – file No. E169910
  • Current-limit resistor calculator – SLVC163
  • Adjustable current-limit, 100 mA–1100 mA
  • Fast overcurrent response - 2 µS typical
  • 94-mΩ high-side MOSFET (DBV package)
  • Reverse input-output voltage protection
  • Operating range: 2.5 V to 6.5 V
  • Deglitched fault report
  • 1-µA maximum standby supply current
  • Junction temperature range: –40°C to 125°C
  • Built-in soft-start
  • 15 kV ESD protection (with external capacitance)
  • UL listed – file No. E169910
  • Current-limit resistor calculator – SLVC163

The TPS2550/51 power-distribution switch is intended for applications where heavy capacitive loads and short-circuits are likely to be encountered, incorporating a 100-mΩ, N-channel MOSFET in a single package. The current-limit threshold is user adjustable between 100 mA and 1.1 A via an external resistor. The power-switch rise and fall times are controlled to minimize current surges during switching.

The device limits the output current to a desired level by switching into a constant-current mode when the output load exceeds the current-limit threshold or a short is present. An internal reverse-voltage detection comparator disables the power-switch in the event that the output voltage is driven higher than the input to protect devices on the input side of the switch. The FAULT logic output asserts low during both overcurrent and reverse-voltage conditions.

The TPS2550/51 power-distribution switch is intended for applications where heavy capacitive loads and short-circuits are likely to be encountered, incorporating a 100-mΩ, N-channel MOSFET in a single package. The current-limit threshold is user adjustable between 100 mA and 1.1 A via an external resistor. The power-switch rise and fall times are controlled to minimize current surges during switching.

The device limits the output current to a desired level by switching into a constant-current mode when the output load exceeds the current-limit threshold or a short is present. An internal reverse-voltage detection comparator disables the power-switch in the event that the output voltage is driven higher than the input to protect devices on the input side of the switch. The FAULT logic output asserts low during both overcurrent and reverse-voltage conditions.
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Technische Dokumentation

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* Data sheet TPS255x Adjustable Current-Limited Power-Distribution Switches datasheet (Rev. C) PDF | HTML 09 Okt 2023

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