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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The TPS2553DDBVT is a precision adjustable current-limited power-distribution switch 6 pin SOT23 package. It is intended for applications where precision current limiting is required or heavy capacitive loads and short circuits are encountered and provide up to 1.5A of continuous load current. Device offers a programmable current limit threshold between 75mA and 1.7A (typ) 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/off. Switch limits output current to a safe level by using a constant-current mode when the output load exceeds the current-limit threshold. It is used in USB ports/hubs, digital TV, set-top boxes and VOIP phones.
Operating voltage range from 2.7V to 6.5V
Meets USB current-limiting requirements
Enable high, input logic high turns on power switch
Backwards compatible with TPS2551, constant current
Fast overcurrent response is 2µs (typ)
Reverse input-output voltage protection
Built-in soft-start
15KV ESD protection per IEC 61000-4-2 (with external capacitance)
UL E169910 listed and NEMKO IEC60950-1-am1 ed2.0
Device have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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TPS2553DDBVT Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	6 Pin
Case/Package	SOT-23-6
Number of Outputs	1 Output
Input Voltage (DC)	6.50 V
Output Current	1.2 A
Number of Positions	6 Position
Rise Time	1100 µs
Input Voltage (Max)	6.5 V
Input Voltage (Min)	2.7 V
Output Current (Max)	1.5 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	6.5 V
	Show
Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status
REACH SVHC Compliance Edition	2016/06/20
ECCN Code	EAR99

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- Vacuum packaging
- Anti-static packaging
- Shockproof foam
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