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TPS202X Datasheet(PDF) 1 Page - Texas Instruments |
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TPS202X Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page DGN−8 D−16 D−8 www.ti.com FEATURES APPLICATIONS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 GND IN2 EN3† NC OC3 OUT3 NC NC 1 2 3 4 8 7 6 5 GND IN IN EN† OUT OUT OUT OC TPS2041B/TPS2051B D AND DGN PACKAGES (TOP VIEW) 1 2 3 4 8 7 6 5 GND IN EN1† EN2† OC1 OUT1 OUT2 OC2 TPS2042B/TPS2052B D AND DGN PACKAGES (TOP VIEW) OC1 OUT1 OUT2 OC2 GND IN1 EN1† EN2† 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 GND IN2 EN3† EN4† OC3 OUT3 OUT4 OC4 OC1 OUT1 OUT2 OC2 GND IN1 EN1† EN2† NC − No connect † All enable inputs are active high for the TPS205xB series. TPS2044B/TPS2054B D PACKAGE (TOP VIEW) TPS2043B/TPS2053B D PACKAGE (TOP VIEW) DESCRIPTION TPS201xA TPS202x TPS203x 33 m Ω, single 0.2 A − 2 A 0.2 A − 2 A 0.2 A − 2 A TPS2014 TPS2015 TPS2041B TPS2051B TPS2045 TPS2055 TPS2061 TPS2065 80 m Ω, single 600 mA 1 A 500 mA 500 mA 250 mA 250 mA 1 A 1 A GENERAL SWITCH CATALOG TPS2042B TPS2052B TPS2046 TPS2056 TPS2062 TPS2066 80 m Ω, dual 500 mA 500 mA 250 mA 250 mA 1 A 1 A 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 TPS2043B TPS2053B TPS2047 TPS2057 80 m Ω, triple 500 mA 500 mA 250 mA 250 mA TPS2044B TPS2054B 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 TPS2041B,, TPS2042B TPS2043B, TPS2044B, TPS2051B TPS2052B, TPS2053B, TPS2054B SLVS514E – APRIL 2004 – REVISED JANUARY 2006 CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES • Heavy Capacitive Loads • 70-m Ω High-Side MOSFET • Short-Circuit Protections • 500-mA Continuous Current • Thermal and Short-Circuit Protection • Accurate Current Limit (0.75 A min, 1.25 A max) • Operating Range: 2.7 V to 5.5 V • 0.6-ms Typical Rise Time • Undervoltage Lockout • Deglitched Fault Report (OC) • No OC Glitch During Power Up • Maximum Standby Supply Current: 1-µA (Single, Dual) or 2-µA (Triple, Quad) • Bidirectional Switch • Ambient Temperature Range: -40°C to 85°C • ESD Protection • UL Recognized, File Number E169910 The TPS204xB/TPS205xB power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporates 70-m Ω N-channel MOSFET power switches for power-distribution systems that require multiple power switches in a single package. Each switch is controlled by a 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 device 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 that the switch remains off until valid input voltage is present. This power-distribution switch is designed to set current limit at 1 A typically. 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. PRODUCTION DATA information is current as of publication date. Copyright © 2004–2006, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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