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TPS389018QDSERQ1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS389018QDSERQ1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page Temperature (qC) -50 -25 0 25 50 75 100 125 -0.75 -0.5 -0.25 0 0.25 0.5 0.75 D001 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Avg TPS389012-Q1 RESET VDD GND SENSE 1.8 V Microcontroller MR 1.2 V VCORE VI/O RESET CT GND Copyright © 2016, Texas Instruments Incorporated Product Folder Order Now Technical Documents Tools & Software Support & Community 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. TPS3890-Q1 SBVS303A – MARCH 2017 – REVISED OCTOBER 2017 TPS3890-Q1 Low Quiescent Current, 1% Accurate Supervisor with Programmable Delay 1 1 Features 1 • Qualified for Automotive Applications • Power-On-Reset (POR) Generator with Adjustable Delay Time: 25 μs to 30 s • Very Low Supply Current: 2.1 μA (Typical) • High Threshold Accuracy: 1% (max) • Precision Hysteresis • Fixed and Adjustable Threshold Voltages: – Fixed Thresholds for Standard Rails: 1.2 V to 5 V – Adjustable Down to 1.15 V • Manual Reset (MR) Input • Open-Drain RESET Output • Temperature Range: –40°C to +125°C • Package: 1.5-mm × 1.5-mm WSON 2 Applications • Automotive Vision Systems • Automotive RADAR Systems • Automotive Infotainment Systems • Body Electronics • Cluster Electronics 3 Description The TPS3890-Q1 is a precision voltage supervisor with low-quiescent current that monitors system voltages as low as 1.15 V, asserting an open-drain RESET signal when the SENSE voltage drops below a preset threshold or when the manual reset (MR) pin drops to a logic low. The RESET output remains low for the user-adjustable delay time after the SENSE voltage and manual reset (MR) return above the respective thresholds. The TPS3890-Q1 family uses a precision reference to achieve 1% threshold accuracy. The reset delay time can be user-adjusted between 25 μs and 30 s by connecting the CT pin to an external capacitor. The TPS3890-Q1 has a very low quiescent current of 2.1 μA and is available in a small 1.5-mm × 1.5-mm package, making the device well-suited for battery-powered and space- constrained applications. The device is fully specified over a temperature range of –40°C to +125°C (TJ). Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS3890-Q1 WSON (6) 1.50 mm × 1.50 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. SPACE SPACE SPACE SPACE SPACE SPACE SPACE Typical Application Circuit VITN Accuracy vs Temperature |
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