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TPS22941

Texas Instruments
Part Number TPS22941
Manufacturer Texas Instruments
Description Low-input-voltage Current-limited Load Switches
Published Sep 26, 2019
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS22941, TPS22942, TPS22943, ...
Datasheet PDF File TPS22941 PDF File

TPS22941
TPS22941

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS22941, TPS22942, TPS22943, TPS22944, TPS22945 SLVS832D – NOVEMBER 2008 – REVISED JULY 2014 TPS2294x Low-input-voltage Current-limited Load Switches With Shut Off And AutoRestart Feature 1 Features •1 Input Voltage Range: 1.
62 V to 5.
5 V • Low ON resistance – rON = 0.
4 Ω at VIN = 5.
5 V – rON = 0.
5 Ω at VIN = 3.
3 V – rON = 0.
6 Ω at VIN = 2.
5 V – rON = 0.
8 Ω at VIN = 1.
8 V • Minimum Current Limit: 40 mA or 100 mA • Undervoltage Lockout (UVLO) • Thermal Shutdown • Shutdown Current < 1 μA • Fast Current Limit Response Time • Fault Blanking • Auto Restart • 1.
8-V Compatible Control Input Thresholds • ESD Performance Tested Per JESD 22 – 4000-V Human-Body Model (A114-B, Class II) – 1000-V Charged-Device Model (C101) • Tiny SC-70 (DCK) Package • UL Recognized Component (UL File 169910) • Evaluated to IEC 60950-1, Ed 2, Am1, Annex CC, Test Program 2 with CB Report 2 Applications • Low-Current Sensor Protection • HDMI Connector Protection • Notebooks • PDAs • GPS Devices • MP3 Players • Peripheral Ports 3 Description The TPS22941/2/3/4/5 load switches provide protection to systems and loads in high-current conditions.
The devices contain a 0.
4-Ω currentlimited P-channel MOSFET that can operate over an input voltage range of 1.
62 V to 5.
5 V.
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 TPS22941/2/3/4/5 includes thermal shutdown protection that prevents damage to the device when a continuous over-current condition causes excessive heating by turning off the switch.
These devices 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 ouptut load exceeds the current-limit threshold.
The OC logic output asserts low during overcurrent, undervoltage, or ...


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