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TPS2082

Texas Instruments
Part Number TPS2082
Manufacturer Texas Instruments
Description POWER-DISTRIBUTION SWITCHES
Published Aug 15, 2023
Detailed Description www.ti.com TPS2080, TPS2081, TPS2082 DUAL TPS2085, TPS2086, TPS2087 QUAD SLVS202B – SEPTEMBER 2000 – REVISED OCTOBER 20...
Datasheet PDF File TPS2082 PDF File

TPS2082
TPS2082

Overview
www.
ti.
com TPS2080, TPS2081, TPS2082 DUAL TPS2085, TPS2086, TPS2087 QUAD SLVS202B – SEPTEMBER 2000 – REVISED OCTOBER 2007 POWER-DISTRIBUTION SWITCHES FEATURES 1 • 80-mΩ 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 μA Maximum Standby Supply Current • Bidirectional Switch • Available in 8-Pin and 16-Pin SOIC Packages • Ambient Temperature Range, 0°C to 85°C • ESD Protection DESCRIPTION The TPS2080, TPS2081, and TPS2082 dual and the TPS2085, TPS2086 and TPS2087 quad power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered.
The TPS208x devices incorporate 80-mΩ 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.
7 V.
When the output load exceeds the current-limit threshold or a short is present, the TPS208x 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.
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.
The TPS208x devices are designed to current limit at 1.
0-A load.
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