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Automotive voltage supervisor (reset IC) with programmable window watchdog
SOT-23-6Manufacturer:
Mfr.Part #:
TPS3813K33QDBVRQ1
Datasheet:
Series: TPS3813
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
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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.
Based on the product information, the features of TPS3813K33QDBVRQ1 are:
The package type of TPS3813K33QDBVRQ1 is SOT-23-6.
The TPS3813K33QDBVRQ1 has a pin count of 6.
Here's a concise breakdown of each pin:
This device is a precision voltage supervisor with a fixed threshold of 3.3V, designed for automotive applications.
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.
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.
The equivalent products of TPS3813K33QDBVRQ1 are other voltage supervisor ICs with similar specifications, such as:
Please note that these are rough equivalents, and the actual suitability of each IC depends on specific application requirements.
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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