Details, datasheet, quote on part number: TPS3809K33QDBVRQ1
CategorySemiconductors => Power Management => Supervisor and Reset IC
Part familyTPS3809-Q1 3-Pin Supply Voltage Supervisors for Automotive
Description3-Pin Supply Voltage Supervisors for Automotive 3-SOT-23 -40 to 125
CompanyTexas Instruments, Inc.
DatasheetDownload TPS3809K33QDBVRQ1 datasheet
Cross ref.Similar parts: MAX6326UR29, MAX6326UR29+, MAX6326UR29+T, MAX6326UR29-T, MAX6346UR29
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Time Delay(ms)200
Approx. Price (US$)0.28 | 1ku
Reset Threshold Accuracy(%)2.2
Package GroupSOT-23
Output Driver Type / Reset OutputActive-low,Push-pull
Operating Temperature Range(C)-40 to 125
# of Supplies Monitored1
Threshold Voltage 1(Typ)(V)2.25,2.64,2.93,4.55
Watchdog Timer WDI(sec)None
Monitored Voltage 1 (typ)(Nom)(V)2.5,3,3.3,5
Monitored Voltage 2 (typ)(Nom)(V)N/A
Threshold Voltage 2 (typ)(Typ)(V)N/A
  Mecanical Data
Pin nbPackage typeInd stdJEDEC codePackage qtyCarrierDevice markWidth (mm)Length (mm)Thick (mm)Pitch (mm)


Features, Applications

AEC-Q100 Qualified for Automotive Applications Customer-Specific Configuration Control Can Be Supported Along With Major-Change Approval ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Using Human Body Model = 100 pF, 3-Pin SOT-23 Package Supply Current 9 A (Typical)

5 V Power-On Reset Generator With Fixed Delay Time 200 ms Pin-For-Pin Compatible With MAX 809
Contact factory for details. Q100 qualification data available on request.

The TPS3809 family of supervisory circuits provides circuit initialization and timing supervision, primarily for DSPs and processor-based systems. During power-on, RESET is asserted when the 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(typ) = 200 ms, 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. The product spectrum is designed for supply voltages 3.3 V, and 5 V. The circuits are available 3-pin SOT-23. The TPS3809xxxQ-Q1 devices are characterized for operation over a temperature range to 125C, and are qualified in accordance with AEC-Q100 stress test qualification for integrated circuits.

typical applications

Applications Using Automotive Microcontrollers, or Microprocessors Wireless Communication Systems Battery-Powered Equipment Programmable Controls Intelligent Instruments Industrial Equipment Automotive Systems

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.


The DBVR passive indicates tape and reel of 3000 parts. FUNCTION/TRUTH TABLE, TPS3809 VDD>VIT 0 1 RESET TPS380 9 ORDERING INFORMATION 25 Q DBV Q1 Q100 Designator Reel Package Temperature Indicator Nominal Supply Voltage Nominal Threshold Voltage Functionality Family

absolute maximum ratings over operating free-air temperature (unless otherwise noted)

Supply voltage, VDD (see 7 V All other pins (see Note 7 V Maximum low output current, IOL. 5 mA Maximum high output current, IOH. 5 mA Input clamp current, IIK (VI<0 or VI>VDD). 20 mA Output clamp current, IOK (VO<0 or VO>VDD). 20 mA Continuous total power dissipation. See Dissipation Rating Table Operating free-air temperature range, TA. to 125C Storage temperature range, Tstg. to 150C Soldering temperature. 260C

Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolutemaximumrated conditions for extended periods may affect device reliability. NOTE 1: All voltage values are with respect to GND. For reliable operation the device should not be operated 7 V for more than t=1000h continuously. DISSIPATION RATING TABLE PACKAGE DBV TA <25C POWER RATING 437 mW DERATING FACTOR ABOVE 25C 3.5 mW/C = 70C POWER RATING = 85C POWER RATING = 125C POWER RATING 87 mW

recommended operating conditions at specified temperature range
MIN Supply voltage, VDD Operating free-air temperature range, 2 40 MAX 6 125 UNIT V C


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