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See Technical Specifications

TPS2041AD

0.5A loading, 1A ILIMIT, 2.7-5.5V, 80mΩ USB power switch, active-low

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TPS2041AD
Datasheet:

TPS2041AD Datasheet (PDF)
Switch Type:

General Purpose
Number of Outputs:

1
Ratio - InputOutput:

1:1
Output Configuration:

High Side
EDA/CAD Models:

Request Free CAD Models for TPS2041AD

Email: [email protected]

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TPS2041AD General Description

The TPS2041A through TPS2044A and TPS2051A through TPS2054A power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporate 80-m N-channel MOSFET high-side power switches for power-distribution systems that require multiple power switches in a single package. Each switch is controlled by an independent 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, these devices limit 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. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures the switch remains off until valid input voltage is present. These power-distribution switches are designed to current limit at 0.9 A.

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Key Features

80-m High-Side MOSFET Switch
500 mA Continuous Current Per Channel
Independent Thermal and Short-Circuit Protection With Overcurrent Logic Output
Operating Range.2.7 V to 5.5 V
CMOS- and TTL-Compatible Enable Inputs
2.5-ms Typical Rise Time
Undervoltage Lockout
10 uA Maximum Standby Supply Current for Single and Dual (20 uA for Triple and Quad)
Bidirectional Switch
Ambient Temperature Range, 0°C to 85°C
ESD Protection
UL Listed - File No. E169910

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Power Distribution Switches, Load Drivers	Series	-
Switch Type	General Purpose	Number of Outputs	1
Ratio - Input:Output	1:1	Output Configuration	High Side
Output Type	N-Channel	Interface	On/Off
Voltage - Load	2.7V ~ 5.5V	Voltage - Supply (Vcc/Vdd)	Not Required
Current - Output (Max)	500mA	Rds On (Typ)	80mOhm
Input Type	Inverting	Features	-
Fault Protection	Current Limiting (Fixed), Over Temperature, UVLO	Operating Temperature	0°C ~ 85°C (TA)
Mounting Type	Surface Mount	Base Product Number	TPS2041