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TPS2553-Q1

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USB-Leistungsschalter für die Automobilindustrie, 0,075–1,3 A einstellb. USB-Leistungsschalter mit S

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Datenblatt

TPS2553-Q1

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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) 1.5 Current limit (A) 0.075 to 1.7 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 1 TI functional safety category Functional Safety-Capable Current limit accuracy at 1 A 7.5% (925mA min / 1075mA max) Rating Automotive
Product type Adjustable current limit, Power switch Vin (min) (V) 2.5 Vin (max) (V) 6.5 Continuous current (max) (A) 1.5 Current limit (A) 0.075 to 1.7 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 1 TI functional safety category Functional Safety-Capable Current limit accuracy at 1 A 7.5% (925mA min / 1075mA max) Rating Automotive
SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Up to 1.5-A Maximum Load Current
  • ±6% Current-Limit Accuracy at 1.7 A (Typical)
  • Meets Universal Serial Bus (USB) Current-Limiting Requirements
  • Backwards Compatible With TPS2550/51 and TPS2551-Q1
  • Adjustable Current-Limit, 75 mA–1300 mA (Typical)
  • Constant-Current Version
  • Fast Overcurrent Response - 2-µs (Typical)
  • 85-mΩ High-Side MOSFET
  • Reverse Input-Output Voltage Protection
  • Operating Range: 2.5 V to 6.5 V
  • Built-in Soft-Start
  • 15 kV ESD Protection per IEC 61000-4-2 (With External Capacitance)
  • See the TI Switch Portfolio
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Up to 1.5-A Maximum Load Current
  • ±6% Current-Limit Accuracy at 1.7 A (Typical)
  • Meets Universal Serial Bus (USB) Current-Limiting Requirements
  • Backwards Compatible With TPS2550/51 and TPS2551-Q1
  • Adjustable Current-Limit, 75 mA–1300 mA (Typical)
  • Constant-Current Version
  • Fast Overcurrent Response - 2-µs (Typical)
  • 85-mΩ High-Side MOSFET
  • Reverse Input-Output Voltage Protection
  • Operating Range: 2.5 V to 6.5 V
  • Built-in Soft-Start
  • 15 kV ESD Protection per IEC 61000-4-2 (With External Capacitance)
  • See the TI Switch Portfolio

The TPS2553-Q1 power-distribution switch is intended for applications where precision current limiting is required or heavy capacitive loads and short circuits are encountered. It provides up to 1.5 A of continuous load current. This device offers a programmable current-limit threshold between 75 mA and 1.7 A (typical) via an external resistor. Current-limit accuracy as tight as ±6% can be achieved at the higher current-limit settings. The power-switch rise and fall times are controlled to minimize current surges during turn on and off.

The TPS2553-Q1 device limits the output current to a safe level by using a constant-current mode when the output load exceeds the current-limit threshold. An internal reverse-voltage comparator disables the power switch when the output voltage is driven higher than the input to protect devices on the input side of the switch. The FAULT output asserts low during overcurrent and reverse-voltage conditions.

The TPS2553-Q1 power-distribution switch is intended for applications where precision current limiting is required or heavy capacitive loads and short circuits are encountered. It provides up to 1.5 A of continuous load current. This device offers a programmable current-limit threshold between 75 mA and 1.7 A (typical) via an external resistor. Current-limit accuracy as tight as ±6% can be achieved at the higher current-limit settings. The power-switch rise and fall times are controlled to minimize current surges during turn on and off.

The TPS2553-Q1 device limits the output current to a safe level by using a constant-current mode when the output load exceeds the current-limit threshold. An internal reverse-voltage comparator disables the power switch when the output voltage is driven higher than the input to protect devices on the input side of the switch. The FAULT output asserts low during overcurrent and reverse-voltage conditions.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS2553-Q1 Precision Adjustable Current-Limited Power-Distribution Switches datasheet (Rev. B) PDF | HTML 29 Apr 2020
Functional safety information TPS2553-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 09 Mär 2021
EVM User's guide TPS2553Q1EVM (HVL125A) Precision Current Limiting Switch User Guide 07 Jul 2016
User guide Power-Distribution Switch with Adjustable Current-Limit EVM 08 Okt 2008

Design und Entwicklung

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