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

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Description

The TPS2054BD is a Power Distribution Switch intended for applications where heavy capacitive loads and short circuits are likely to be encountered. This device incorporates 70mR N-channel MOSFET power switches for power-distribution systems. Each switch is controlled by a logic enable input. Gate drive is provided by an internal charge pump designed to control the power-switch rise times and fall times to minimize current surges during switching. The charge pump requires no external components and allows operation from supplies as low as 2.7V. When the output load exceeds the current-limit threshold or a short is present, the device limits the output current to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low. When continuous heavy overloads and short-circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage.
500mA Continuous current
Thermal and short-circuit protection
0.6ms Typical rise time
Undervoltage lockout
Deglitched fault report (OC)
No OC glitch during power up

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TPS2054BD Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Number of Outputs	4 Output
Input Voltage (DC)	5.50 V
Number of Positions	16 Position
Power Dissipation	585.82 mW
Rise Time	600 µs
Input Voltage (Max)	5.5 V
Input Voltage (Min)	2.7 V
Output Current (Max)	500 mA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	898.47 mW
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.7 V
Input Voltage	5.5 V
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Size-Length	9.9 mm
Size-Width	3.91 mm
Size-Height	1.58 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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