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TPS38 Datasheet(PDF) 27 Page - Texas Instruments

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Part # TPS38
Description  TPS38-Q1 Wide VIN 65 V Dual Channel Overvoltage or Undervoltage (OV or UV) Detector with Programmable Sense and Reset Function for Automotive
PDF  53 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS38 Datasheet(HTML) 27 Page - Texas Instruments

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V_SENSE
RESET_B
Figure 9-2. Undervoltage Reset Waveform
V_SENSE
RESET_B
Figure 9-3. Undervoltage Recovery Waveform
9.2 Application Information
The following sections describe in detail how to properly use this device, depending on the requirements of the
final application.
9.3 Typical Application
9.3.1 Design 1: Automotive Off-Battery Monitoring
The initial power stage in automotive applications starts with the 12 V battery. Variation of the battery voltage is
common between 9 V and 16 V. Furthermore, if cold-cranking and load dump conditions are considered, voltage
transients can occur as low as 3 V and as high as 42 V. In this design example, we are highlighting the ability
www.ti.com
TPS38-Q1
SNVSBI8C – AUGUST 2020 – REVISED DECEMBER 2021
Copyright © 2021 Texas Instruments Incorporated
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