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TPS3803-01 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS3803-01 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page Processor TPS3805H33-Q1 R1 R2 1.6 V 3.3 V RESET GND VDD SENSE RESET DVDD CVDD GND Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS3803-01-Q1 TPS3803G15-Q1, TPS3805H33-Q1 SGLS228C – DECEMBER 2003 – REVISED SEPTEMBER 2015 TPS380x-Q1 Voltage Detectors The TPS3803G15-Q1 device has a fixed-sense 1 Features threshold voltage VIT set by an internal voltage 1 • Qualified for Automotive Applications divider, whereas the TPS3803-01-Q1 has an • Single Voltage Detector (TPS3803): Adjustable adjustable SENSE input that can be configured by and 1.5 V two external resistors. In addition to the fixed sense threshold monitored at VDD, the TPS3805-Q1 devices • Dual Voltage Detector (TPS3805): Adjustable and provide a second adjustable SENSE input. RESET is 3.3 V asserted in case either of the two voltages drops • High ±1.5% Threshold Voltage Accuracy below VIT. • Supply Current: 3 μA Typical at VDD = 3.3 V During power on, RESET is asserted when supply • Push/Pull Reset Output (TPS3805), voltage VDD becomes higher than 0.8 V. Thereafter, Open-Drain Reset Output (TPS3803) the supervisory circuit monitors VDD (and/or SENSE) and keeps RESET active as long as VDD or SENSE • Temperature Range: –40°C to 125°C remains below the threshold voltage VIT. As soon as • 5-Pin SC-70 Package VDD (SENSE) rises above the threshold voltage VIT, RESET is deasserted again. The product spectrum is 2 Applications designed for 1.5-V, 3.3-V, and adjustable supply • Applications Using DSPs, Microcontrollers, or voltages. Microprocessors The devices are available in a 5-pin SC-70 package. • Advanced Driver Assistance Systems The TPS3803-Q1 and TPS3805-Q1 devices are characterized for operation over a temperature range • Automotive Infotainment of –40°C to 125°C. • Automotive Cluster Device Information(1) 3 Description PART NUMBER PACKAGE BODY SIZE (NOM) The TPS3803-Q1 and TPS3805-Q1 families of TPS3803-01-Q1 supervisory circuits provide circuit initialization and TPS3803G15-Q1 SC-70 (5) 2.00 mm × 1.25 mm timing supervision, primarily for DSPs and processor- based systems. TPS3805H33-Q1 (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical Application Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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