US202AHL-AF5-R / Unisonic Technologies - Scheda tecnica(PDF) Chat AI

US202AHL-AF5-R Datasheet with Chat AI

Hello, Please ask a question about US202AHL-AF5-R Datasheet

# Example questions: ➢ Explain the difference between these two features and what each accomplishes.
➢ What are the recommended actions to prevent reverse current flow through the us202/a, and why is reverse current a concern?
➢ What is the purpose of the soft start feature in the us202/a, and what problem does it solve?

Part No.	US202AHL-AF5-R
Manufacturer	UTC
Size	208 Kbytes
Pages	5 pages
Description	100m POWER DISTRIBUTION SWITCHES

Datasheet Summary with AI

Pin Configuration
️· VOUT (1, 5): Output Voltage
️· GND (2): Ground
️· VIN (3): Power Input
️· EN (4): Chip Enable (Active High)

Electrical Characteristics
️· RDS(ON): 85mΩ - 100mΩ @ IL = 1A
️· Supply Current: 28μA - 65μA @ VIN = 5V
️· Current Limit Threshold: 1.1A-3.2A (depending on version)
️· UVLO: 1.2V-1.8V
️· Thermal Shutdown: 130°C

Application Information
️· Thermal Shutdown: Activates at 130°C, deactivates at 110°C.
️· Soft Start: Prevents inrush current during hot-plug events.
️· Reverse Current Prevention: Turn off switch or maintain VIN < 1.2V.
️· Filtering: 1μF capacitor recommended between VIN and GND.
️· Layout: Place switch close to USB connector, use short traces.

# US202/A CMOS IC
## Power Distribution Switch
Description
️· Power distribution switch for USB applications.
️· Low quiescent current: 28μA.
️· N-channel N-MOSFET with no parasitic body diode.
️· Includes current limit, short, soft start, thermal shutdown, and UVLO protection.

Features
️· Input Voltage: 2.7V to 5.5V
️· Continuous Current: 1.0A / 2.0A
️· RDS(ON): 85mΩ (typical)
️· Current Limit: 1.5A / 2.5A
️· Low Supply Current: 28μA

Ordering Information
️· US202XL-AF5-R / US202XG-AF5-R: Lead Free / Halogen Free, SOT-25 package, Tape Reel
️· US202AXL-AF5-R / US202AXG-AF5-R: Lead Free / Halogen Free, SOT-25 package, Tape Reel
️· Marking: US202 / US202A with current code (Blank: 1.5A, A: 2.5A)

Pin Configuration
️· VOUT (1, 5): Output Voltage
️· GND (2): Ground
️· VIN (3): Power Input
️· EN (4): Chip Enable (Active High)

Electrical Characteristics
️· RDS(ON): 85mΩ - 100mΩ @ IL = 1A
️· Supply Current: 28μA - 65μA @ VIN = 5V
️· Current Limit Threshold: 1.1A-3.2A (depending on version)
️· UVLO: 1.2V-1.8V
️· Thermal Shutdown: 130°C

Application Information
️· Thermal Shutdown: Activates at 130°C, deactivates at 110°C.
️· Soft Start: Prevents inrush current during hot-plug events.
️· Reverse Current Prevention: Turn off switch or maintain VIN < 1.2V.
️· Filtering: 1μF capacitor recommended between VIN and GND.
️· Layout: Place switch close to USB connector, use short traces.