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2-ch, 0.5A loading, 2.7-5.5V, 70mΩ USB power switch, active-high

TPS2052BDGNR General Description

The TPS20xxB power-distribution switches provide a robust solution for systems that encounter heavy capacitive loads and short circuits. Equipped with 70-mΩ N-channel MOSFET power switches, these devices offer multiple power switches in a single package, simplifying design and implementation. Controlled by a logic enable input, each switch is supported by an internal charge pump that manages gate drive to reduce current surges during switching. These power switches can operate from supplies as low as 2.7 V, making them versatile and suitable for a range of applications where reliable power distribution is critical

Key Features

  • 70-mΩ High-Side MOSFET
  • 500-mA Continuous Current
  • Thermal and Short-Circuit Protection
  • Accurate Current Limit (0.75 A Minimum, 1.25 A Maximum)
  • Operating Range: 2.7 V to 5.5 V
  • 0.6-ms Typical Rise Time
  • Undervoltage Lockout
  • Deglitched Fault Report ( OC)
  • No OC Glitch During Power Up
  • Maximum Standby Supply Current: 1-µA (Single, Dual) or 2-µA (Triple, Quad)
  • Ambient Temperature Range: –40°C to 85°C
  • UL Recognized, File Number E169910
  • Additional UL Recognition for TPS2042B and TPS2052B for Ganged Configuration


Product type Fixed current limit, Power switch Vin (min) (V) 2.7
Vin (max) (V) 5.5 Continuous current (max) (A) 0.5
Current limit (A) 1 Operating temperature range (°C) -40 to 125, -40 to 85
Enable Active High Number of switches 2
Current limit accuracy at 1 A 0.25 Rating Catalog

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