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TI TPS3813K33DBVR
Supervisor Open Drain or Open Collector 1 Channel SOT-23-6
Brands: TI
Mfr.Part #: TPS3813K33DBVR
Datasheet: TPS3813K33DBVR Datasheet (PDF)
Package/Case: SOT23-6
RoHS Status:
Stock Condition: 586 pcs, New Original
Product Type: Supervisors
Warranty: 1 Year Ovaga Warranty - Find Out More
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*All prices are in USD
| Qty | Unit Price | Ext Price |
|---|---|---|
| 1 | $1.457 | $1.457 |
| 10 | $1.229 | $12.290 |
| 30 | $1.103 | $33.090 |
| 100 | $0.961 | $96.100 |
| 500 | $0.838 | $419.000 |
| 1000 | $0.810 | $810.000 |
In Stock: 586 PCS
TPS3813K33DBVR General Description
The TPS3813xxx family of supervisory circuits provide circuit initialization and timing supervision, primarily for DSPs and processor-based systems.
During power on, RESET is asserted when supply voltage (VDD) becomes higher than 1.1 V. Thereafter, the supervisory circuit monitors VDD and keeps RESET active as long as VDD remains below the threshold voltage (VIT). An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset. The delay time, td = 25 ms typical, starts after VDD has risen above the threshold voltage (VIT). When the supply voltage drops below the threshold voltage (VIT), the output becomes active (low) again. No external components are required. All the devices of this family have a fixed-sense threshold voltage (VIT) set by an internal voltage divider.
For safety critical applications the TPS3813xxx family incorporates a so-called window-watchdog with programmable delay and window ratio. The upper limit of the watchdog time-out can be set by either connecting WDT to GND, VDD, or using an external capacitor. The lower limit and thus the window ratio is set by connecting WDR to GND or VDD. The supervised processor now needs to trigger the TPS3813xxx within this window not to assert a RESET.
The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are available in a 6-pin SOT-23 package.
The TPS3813xxx devices are characterized for operation over a temperature range of –40°C to 85°C.
Features
- Window-watchdog with programmable delay and window ratio
- 6-Pin SOT-23 package
- Supply current of 9 µA (Typical)
- Power-on reset generator with a fixed delay time of 25 ms
- Precision supply voltage monitor (VIT): 2.5 V, 3 V, 3.3 V, and 5 V
- Open-drain reset output
- Temperature range: –40°C to 85°C
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Number of supplies monitored | 1 | Threshold voltage 1 (typ) (V) | 2.25, 2.64, 2.93, 4.55 |
| Features | Undervoltage monitor only, Watchdog timer, Window watchdog | Reset threshold accuracy (%) | 2.4 |
| 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 | Rating | Catalog |
| Watchdog timer WDI (s) | Programmable |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The TPS3813K33DBVR chip is a voltage supervisor and reset generator integrated circuit. It is used to monitor the power supply voltage and keep the system in a known state during power-on, power-off, and fault conditions. The chip features an adjustable threshold voltage, low power consumption, and a small package size, making it suitable for various applications such as microcontrollers, DSPs, and other digital systems.
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Equivalent
The equivalent products of the TPS3813K33DBVR chip are TPS3813K33DBVT, TPS3813K33QDBVRQ1, and TPS3813K33QDBVTQ1. -
Features
The features of TPS3813K33DBVR are: adjustable overvoltage and undervoltage detection thresholds, hysteresis to prevent erratic reset output, reset timeout delay, manual reset input, and low power consumption. -
Pinout
The TPS3813K33DBVR is a voltage supervisor IC. It has 5 pins: VIN (input voltage), GND, RESET (output), VCC (power supply), and MR (manual reset input). It provides a RESET signal whenever the monitored voltage falls below a fixed threshold. -
Manufacturer
The manufacturer of the TPS3813K33DBVR is Texas Instruments. Texas Instruments is an American multinational company that designs and manufactures semiconductors and various integrated circuits. They are known for their extensive portfolio of electronic components used in a wide range of applications, including consumer electronics, industrial equipment, and automotive systems. -
Application Field
The TPS3813K33DBVR is a voltage supervisor and reset IC. It can be used in various application areas such as consumer electronics, industrial automation, automotive, and medical devices. Its purpose is to monitor and control the voltage levels to ensure the stability and reliability of the system it is integrated into. -
Package
The TPS3813K33DBVR chip is offered in a SOT-23-5 package type. Its form factor is surface mount. The size of the chip is typically 3.00 mm × 1.60 mm × 1.45 mm (L × W × H).
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