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TPS2551-Q1

NO RECOMENDADO PARA NUEVOS DISEÑOS

Interruptor automotriz de alimentación USB de 85 mΩ, ILIMIT ajustable de 0.1-1.1 A, 2.5-6.5 V, activ

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TPS2551-Q1 no se recomienda para nuevos diseños
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TPS2553-Q1 ACTIVO Interruptor automotriz de alimentación USB de 85 mΩ, ILIMIT ajustable de 0.075-1.3 A Interruptor de This product is an exact equivalent with backwards compatibility and lower 1 ku price.

TPS2551-Q1

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Detalles del producto

Product type Adjustable current limit, Power switch Vin (max) (V) 6.5 Vin (min) (V) 2.5 Rating Automotive Number of channels 1 Operating temperature range (°C) -40 to 125 Current limit accuracy at 1 A 30% (700mA min / 1300mA max) Enable Active High
Product type Adjustable current limit, Power switch Vin (max) (V) 6.5 Vin (min) (V) 2.5 Rating Automotive Number of channels 1 Operating temperature range (°C) -40 to 125 Current limit accuracy at 1 A 30% (700mA min / 1300mA max) Enable Active High
SOT-23 (DBV) 6 8.12 mm² (2.9 mm × 2.8 mm)
  • Qualified for automotive applications
  • Adjustable current-limit: 100 mA to 1100 mA
  • Fast overcurrent response: 2 µs (typ)
  • 94-mΩ high-side MOSFET
  • 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)
  • Qualified for automotive applications
  • Adjustable current-limit: 100 mA to 1100 mA
  • Fast overcurrent response: 2 µs (typ)
  • 94-mΩ high-side MOSFET
  • 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)

The TPS2551 power-distribution switch is intended for applications in which 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 TPS2551 power-distribution switch is intended for applications in which 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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* Hoja de datos TPS2551-Q1 Adjustable Current-Limited Power-Distribution Switch datasheet (Rev. A) PDF | HTML 28/09/2023

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