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See Technical Specifications

TPS2051BD +BOM

Power switch, N-Channel, SMD

Manufacturer:

Texas Instruments
Mfr.Part #:

TPS2051BD
Datasheet:

TPS2051BD Datasheet (PDF)
Vin (min) (V):

2.7
Vin (max) (V):

5.5
Continuous Current (max) (A):

0.5
Current Limit (A):

1
EDA/CAD Models:

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TPS2051BD General Description

Designed to deliver exceptional performance and protection, the TPS2051BD power-distribution switch is a valuable asset for applications that encounter heavy capacitive loads and potential short circuits. Equipped with 70-mΩ N-channel MOSFET power switches, this device offers a reliable solution for systems that necessitate multiple power switches within a single package. The logic enable input provides precise control over each switch, while the internal charge pump optimizes power-switch transitions to minimize current surges during operation. Additionally, the TPS2051BD incorporates a current-limit threshold that triggers a constant-current mode to safeguard against overloads and short circuits, ensuring uninterrupted operation. In scenarios where excessive power dissipation poses a risk, the thermal protection circuit activates to prevent damage by shutting off the switch until the temperature normalizes. With its innovative design and robust features, the TPS2051BD is a versatile and dependable choice for applications that prioritize efficiency and reliability

Key Features

Thermal Protection: Automatic Restart
Operating Frequency: up to 500 kHz
Average Supply Current: 10-20 mA
Rise Time: Typical 0.7 ms
Fault Report (OC): Deglitched
Under-Voltage Lockout (UVLO)

Application

Efficient current-limiting design
Wide range of applications
Easy to implement

Specifications

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
Enable	Active High	Number of switches	1
Current limit accuracy at 1 A	0.25	Rating	Catalog