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TPS2042ADR Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS2042ADR Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 32 page TPS2041A, TPS2042A, TPS2043A, TPS2044A TPS2051A, TPS2052A, TPS2053A, TPS2054A CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES SLVS247 – SEPTEMBER 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 80-mΩ High-Side MOSFET Switch D 500 mA Continuous Current Per Channel D Independent Thermal and Short-Circuit Protection With Overcurrent Logic Output D Operating Range . . . 2.7 V to 5.5 V D CMOS- and TTL-Compatible Enable Inputs D 2.5-ms Typical Rise Time D Undervoltage Lockout D 10 µA Maximum Standby Supply Current for Single and Dual (20 µA for Triple and Quad) D Bidirectional Switch D Ambient Temperature Range, 0°C to 85°C D ESD Protection D UL Listed – File No. E169910 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 Ω 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, 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. TPS201xA TPS202x TPS203x 33 m Ω, single 0.2 A – 2 A 0.2 A – 2 A 0.2 A – 2 A TPS2014 TPS2015 TPS2041 TPS2051 TPS2045 TPS2055 80 m Ω, single 600 mA 1 A 500 mA 500 mA 250 mA 250 mA GENERAL SWITCH CATALOG TPS2042 TPS2052 TPS2046 TPS2056 80 m Ω, dual 500 mA 500 mA 250 mA 250 mA TPS2100/1 260 m Ω IN1 500 mA IN2 10 mA OUT IN1 IN2 TPS2102/3/4/5 IN1 500 mA IN2 100 mA 1.3 Ω TPS2043 TPS2053 TPS2047 TPS2057 80 m Ω, triple 500 mA 500 mA 250 mA 250 mA TPS2044 TPS2054 TPS2048 TPS2058 80 m Ω, quad 500 mA 500 mA 250 mA 250 mA 80 m Ω, dual TPS2080 TPS2081 TPS2082 TPS2090 500 mA 500 mA 500 mA 250 mA TPS2091 TPS2092 250 mA 250 mA 80 m Ω, quad TPS2085 TPS2086 TPS2087 TPS2095 500 mA 500 mA 500 mA 250 mA TPS2096 TPS2097 250 mA 250 mA Copyright © 2000, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 1 2 3 4 8 7 6 5 GND IN IN EN† OUT OUT OUT OC TPS2041A, TPS2051A D PACKAGE (TOP VIEW) 1 2 3 4 8 7 6 5 GND IN EN1† EN2† OC1 OUT1 OUT2 OC2 TPS2042A, TPS2052A D PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 GNDA IN1 EN1† EN2† GNDB IN2 EN3† EN4† OC1 OUT1 OUT2 OC2 OC3 OUT3 OUT4 OC4 TPS2044A, TPS2054A D PACKAGE (TOP VIEW) † All enable inputs are active high for the TPS205xA series. NC – No connect 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 GNDA IN1 EN1† EN2† GNDB IN2 EN3† NC OC1 OUT1 OUT2 OC2 OC3 OUT3 NC NC TPS2043A, TPS2053A D PACKAGE (TOP VIEW) |
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