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TPS2066ADRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2066ADRG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 23 page 1 FEATURES APPLICATIONS 1 2 3 4 5 6 OUT2 OC1 OUT 1 EN1 GND IN TPS2062A/TPS2066A DPACKAGE (TOP VIEW) 7 8 EN2 OC2 5 6 TPS2062A/TPS2066A DRBPACKAGE (TOP VIEW) 7 8 PAD 1 2 3 4 EN1 GND IN EN2 OUT2 OC1 OUT1 OC2 Enableinputsareactivelowforall TPS2062A andactivehighforall TPS2066A DESCRIPTION TPS2014600mA TPS20151 A TPS2041B500mA TPS2051B500mA TPS2045A 250mA TPS2049100mA TPS2055A 250mA TPS20611 A TPS20651 A TPS20681.5 A TPS20691.5 A TPS201xA 0.2 A -2 A TPS202x0.2 A -2 A TPS203x0.2 A -2 A TPS2062A TPS2066A www.ti.com ..................................................................................................................................................... SLVS798D – JANUARY 2008 – REVISED APRIL 2008 TWO CHANNEL, CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES • Heavy Capacitive Loads 2 • 70-mΩ High-Side MOSFET • Short-Circuit Protection • 1-A Continuous Current • Thermal and Short-Circuit Protection • Accurate Current-Limit (1.2 A min, 2 A max) • Operating Range: 2.7 V to 5.5 V • 0.6-ms Typical Rise Time • Undervoltage Lockout • Deglitched Fault Report (OCx) • No OCx Glitch During Power Up • 1-µA Maximum Standby Supply Current • Bidirectional Switch • Ambient Temperature Range: –40°C to 85°C • Built-in Soft-Start The TPS206xA power-distribution switches are intended for applications where heavy capacitive loads and short-circuits are likely to be encountered. The TPS206xA family is pin-for-pin compatible with the TPS206x family with a tighter overcurrent tolerance. This family of devices incorporates two 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 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. Each device limits the output current to a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold or a short is present. Individual channels indicate the presence of an overcurrent condition by asserting its corresponding OCx output (active low). Thermal protection circuitry disables the device during overcurrent or short-circuit events to prevent permanent damage. The device recovers from thermal shutdown automatically once the device has cooled sufficiently. The device provides undervoltage lockout to disable the device until the input voltage rises above 2.0 V. The TPS206xA is designed to current limit at 1.6 A typically per channel. 1 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. 2 PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2008, 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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