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TPS3813K33QDBVRQ1 +BOM

Automotive voltage supervisor (reset IC) with programmable window watchdog

TPS3813K33QDBVRQ1 Information

Description

Here's a concise introduction to the TPS3813K33QDBVRQ1: The TPS3813K33QDBVRQ1 is a precision voltage supervisor from Texas Instruments (TI) designed for automotive applications. This reset IC features a programmable window watchdog, making it suitable for monitoring power supply voltages and ensuring proper system operation in safety-critical environments. With a fixed threshold of 3.3V, the TPS3813K33QDBVRQ1 provides precise voltage supervision while consuming only 1.5µA of quiescent current, ideal for low-power applications. The device also features a manual reset input with a pull-up resistor for added flexibility in system design. Available in a small SOT-23 package, the TPS3813K33QDBVRQ1 is commonly used in engine control units (ECUs), airbag systems, infotainment systems, and other automotive applications to protect sensitive electronic components. Its precision voltage supervision and low power consumption make it an excellent choice for automotive designs requiring reliable system monitoring and protection.

Features

Based on the product information, the features of TPS3813K33QDBVRQ1 are:

  • Precision voltage supervisor with a fixed threshold of 3.3V
  • Low quiescent current of 1.5µA for low-power applications
  • Manual reset input with a pull-up resistor for added flexibility
  • Available in a small SOT-23 package for space-constrained designs

Package

The package type of TPS3813K33QDBVRQ1 is SOT-23-6.

Pinout

The TPS3813K33QDBVRQ1 has a pin count of 6.

Here's a concise breakdown of each pin:

  • VCC: Power supply input (3.3V)
  • OUT: Output signal (active low when the voltage is out of range)
  • IN: Input signal (voltage to be monitored)
  • RST: Manual reset input
  • GND: Ground reference
  • NC: No connect (not connected)

This device is a precision voltage supervisor with a fixed threshold of 3.3V, designed for automotive applications.

Manufacturer

The manufacturer of the TPS3813K33QDBVRQ1 is Texas Instruments (TI), a leading American technology company that designs, manufactures, and tests semiconductors and other electronic components. TI is a global semiconductor leader with a broad portfolio of innovative solutions, including analog power management, embedded processors, and wireless connectivity products.

Applications

The TPS3813K33QDBVRQ1 is commonly used in automotive applications such as engine control units (ECUs), airbag systems, infotainment systems, and other safety-critical applications to protect sensitive electronic components from power supply voltage fluctuations or failures.

Equivalent

The equivalent products of TPS3813K33QDBVRQ1 are other voltage supervisor ICs with similar specifications, such as:

  • Texas Instruments' TPS3805: A precision voltage supervisor with a fixed threshold (e.g., 3V, 5V) and manual reset input.
  • Analog Devices' ADP1863: A high-voltage supervisor with an adjustable threshold and automatic reset.

Please note that these are rough equivalents, and the actual suitability of each IC depends on specific application requirements.

Specifications

Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 2.93, 4.55
Features Reset time delay, Undervoltage and overvoltage monitor, Watchdog timer, Window watchdog Reset threshold accuracy (%) 2, 2.2
Iq (typ) (mA) 0.009 Output driver type/reset output Active-low, Open-drain
Time delay (ms) 25 Supply voltage (min) (V) 2
Supply voltage (max) (V) 6 TI functional safety category Functional Safety-Capable
Rating Automotive Watchdog timer WDI (s) Programmable
Operating temperature range (°C) -40 to 125 Package/Case SOT-23-6

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K
K**n 10/18/2020

To minipro does not fit into the adapter more contacts

14

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