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TPS3808G01QDBVRQ1 +BOM

Automotive, low-quiescent current programmable-delay supervisor

TPS3808G01QDBVRQ1 Information

Description

The TPS3808G01QDBVRQ1 is a processor supervisor from Texas Instruments (TI) designed for automotive applications. It's an adjustable power-on reset generator with a delay time of 1.25 ms to 10 seconds, making it suitable for monitoring and protecting microcontrollers and processors in various automotive systems. This device features a wide operating voltage range of 0.4V to 5V, low quiescent current of 2.4 μA typical, and high threshold accuracy of 0.5% typical. It also has a manual reset input, open-drain reset output, and operates over a temperature range of -40°C to +125°C. The TPS3808G01QDBVRQ1 is available in a small SOT-23 package, making it ideal for space-constrained applications. Its adjustable threshold voltage and low power consumption make it suitable for various automotive systems, including power management, safety systems, and sensor monitoring.

Features

According to the product information, the features of TPS3808G01QDBVRQ1 are:

  • 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

Package

According to the product information, the package type of TPS3808G01QDBVRQ1 is SOT-23-6.

Pinout

The TPS3808G01QDBVRQ1 has a 6-pin SOT-23 package. The pins are:

  • VCC: Power supply input
  • GND: Ground
  • IN+: Input voltage monitor
  • IN–: Input voltage monitor (inverted)
  • MR: Manual reset input
  • RESET: Open-drain reset output

This device is a processor supervisor that monitors the power supply and generates a reset signal if the voltage falls below a certain threshold. It also has a manual reset input to allow for external control of the reset function.

Manufacturer

The manufacturer of the TPS3808G01QDBVRQ1 is Texas Instruments (TI). TI is a leading semiconductor company that designs, manufactures, and tests semiconductors and related technologies. They are known for their wide range of products, including analog and embedded processing chips, as well as other electronic components.

Applications

The TPS3808G01QDBVRQ1 is primarily used in automotive applications for monitoring and protecting microcontrollers and processors. Its suitable for various automotive systems, including power management, safety systems, and sensor monitoring.

Equivalent

Based on the information provided, the equivalent products of TPS3808G01QDBVRQ1 are likely to be other processor supervisors from Texas Instruments (TI) with similar features such as adjustable delay time, low quiescent current, and a wide operating voltage range. Some possible alternatives include the TPS3839, TPS3840, and TPS3856, which also offer power-on reset generation and protection for microcontrollers and processors in automotive applications.

Specifications

Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 0.405, 1.12, 1.16, 1.4, 1.67, 2.79, 3.07, 4.65
Features Manual reset capable, Reset time delay, Separate VDD & sense, Undervoltage monitor only Reset threshold accuracy (%) 0.5, 2
Iq (typ) (mA) 0.0024 Output driver type/reset output Active-low, Open-drain
Time delay (ms) 1.25, 20, 300, 1200 Supply voltage (min) (V) 1.8
Supply voltage (max) (V) 6.5 TI functional safety category Functional Safety-Capable
Rating Automotive Watchdog timer WDI (s) None
Operating temperature range (°C) -40 to 125 Package/Case SOT-23-6

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TPS3808G01QDBVRQ1 Datasheet PDF

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