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TPS3820-33QDBVRQ1 The Texas Instruments TPS3820-33QDBVRQ1 is an automotive-qualified voltage supervisor with a watchdog timer and manual reset capability. It monitors a single voltage supply and provides an active-low reset output.
Mfr Part #:

TPS3820-33QDBVRQ1

Available from 5 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS3820-33QDBVRQ1 is an automotive-qualified voltage supervisor with a watchdog timer and manual reset capability. It monitors a single voltage supply and provides an active-low reset output.
✓ Total Stock: 6,666 pcs
$ Price Range: $0.81

TPS3820-33QDBVRQ1 Available from 5 distributors

✓ Authorised
✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TPS3820-33QDBVRQ1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Mounting Type
Number of Voltages Monitored
Operating Temperature
Output
Reset
Reset Timeout
Supplier Device Package
Supply Current
Type
Voltage
Watchdog Timer
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TPS3820-33QDBVRQ1 Description

Short technical summary and product information.

The Texas Instruments TPS3820-33QDBVRQ1 is a voltage supervisor IC designed for automotive applications. It features a watchdog timer with a 0.2-second delay and a manual reset input, providing robust system monitoring.

 

This device monitors a single voltage supply, with a typical threshold voltage of 2.93V. The reset output is active-low and push-pull. The supervisor operates with a low supply current of 15µA typical and has a reset timeout of 15ms minimum.

 

Packaged in a 5-pin SOT-23-5 (SC-74A, SOT-753), the TPS3820-33QDBVRQ1 is suitable for surface mount applications. It operates within an ambient temperature range of -40°C to 125°C and is AEC-Q100 qualified, ensuring reliability in demanding automotive environments.

 

Key electrical characteristics include a reset threshold accuracy of 2.4% and ESD protection exceeding 2000V. The device is RoHS3 compliant and has an MSL rating of 1.

TPS3820-33QDBVRQ1 Quick Information

Product Type: Voltage Supervisor
Series: TPS3820-Q1
Canonical Name: Texas Instruments TPS3820-33QDBVRQ1 Voltage Supervisor
Subcategory: Reset ICs

TPS3820-33QDBVRQ1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS3820-33QDBVRQ1 Estimated Pricing

Qty Low High
1+ $0.81 $0.81

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS3820-33QDBVRQ1 Features

  • Automotive qualified voltage supervisor IC.
  • Includes watchdog timer and manual reset.
  • Active-low, push-pull reset output.
  • Monitors single voltage supply at 2.93V.
  • Low 15µA typical supply current.

TPS3820-33QDBVRQ1 Applications

  • Automotive engine control modules.
  • Infotainment system power management.
  • Advanced driver-assistance systems.
  • Electric vehicle power control.

TPS3820-33QDBVRQ1 FAQs

8 frequently asked questions generated from this part’s specifications.
What is the monitored voltage threshold?

2.93V.

What package is the TPS3820-33QDBVRQ1 available in?

SOT-23-5 (also SC-74A, SOT-753).

What is the operating temperature range?

-40°C to 125°C.

Does the TPS3820-33QDBVRQ1 include a watchdog timer?

Yes, it has a watchdog timer with a typical timeout of 0.2s.

What type of reset output does this supervisor provide?

Active-low push-pull reset output.

What is the typical supply current?

15µA.

How many voltage channels does it monitor?

1 channel.

What is the minimum reset timeout?

15ms.

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