TPS3808G125-Q1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS3808G01-Q1, TPS3808G12-Q1, TPS3808G125-Q1, TPS3808G15-Q1 TPS3808G18-Q1, TPS3808G30-Q1, TPS3808G33-Q1, TPS3808G50-Q1 SBVS085I – JANUARY 2007 – REVISED JUNE 2015 TPS3808Gxx-Q1 Low-Quiescent-Current Programmable-Delay Supervisory Circuit 1 Features 1 Qualified for Automotive Applications Power-On Reset Generator With Adjustable Delay Time: 1.25 ms to 10 s Very Low Quiescent Current: 2.4 μA Typical High Threshold Accuracy: 0.5% Typical Fixed Threshold Voltages for Standard Voltage Rails From 1.2 V to 5 V and Adjustable Voltage Down to 0.4 V Are Available Manual Reset (MR) Input Open-Drain RESET Output Temperature Range: –40°C to 125°C Small SOT-23 Package 2 Applications DSP or Microcontroller Applications FPGA and ASIC Applications Automotive Vision Automotive Radar 3 Description The TPS3808Gxx-Q1 microprocessor supervisory circuits monitor system voltages from 0.4 V to 5 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 useradjustable delay time after the SENSE voltage and MR return above their thresholds. The TPS3808Gxx-Q1 device uses a precision reference to achieve 0.5% threshold accuracy for VIT ≤ 3.3 V. The reset delay time can be set to 20 ms by disconnecting the CT pin, 300 ms by connecting the CT pin to VDD using a res...