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

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Description

The TPS22943DCKR is a Load Switch provide protection to systems and loads in high-current conditions. The devices contain a 0.4R current-limited P-channel MOSFET that can operate over an input voltage range of 1.62 to 5.5V. Current is prevented from flowing when the MOSFET is off. The switch is controlled by an on/off input (ON), which is capable of interfacing directly with low-voltage control signals. The TPS22941 includes thermal shutdown protection that prevents damage to the device when a continuous over-current condition causes excessive heating by turning off the switch. This device provide an integrated, robust solution to provide current limiting the output current to a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold. The OC logic output asserts low during overcurrent, undervoltage or overtemperature conditions.
40 or 100mA Minimum current limit
Undervoltage lockout (UVLO)
Thermal shutdown
Shutdown Current <1µA
Fast current limit response time
Fault blanking
Auto restart
1.8V Compatible control input thresholds

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TPS22943DCKR Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	5 Pin
Case/Package	SC-70-5
Power Rating	122 mW
Number of Outputs	1 Output
Input Voltage (DC)	5.50 V
Output Current	0.08 A
Supply Current	0.001 mA
Number of Positions	5 Position
Quiescent Current	40.0 µA
Input Voltage (Max)	5.5 V
Input Voltage (Min)	1.62 V
Output Current (Max)	40 mA
Output Current (Min)	0.04 A
Number of Inputs	1 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	5.5 V
	Show
Size-Length	2.15 mm
Size-Width	1.4 mm
Size-Height	1 mm
Operating Temperature	-40℃ ~ 125℃ (TJ)
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
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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