TPS3851/TPS3851-Q1 Precision Voltage Supervisors

Texas Instruments TPS3851/TPS3851-Q1 Precision Voltage Supervisors combine a precision voltage supervisor with a programmable watchdog timer. The TPS3851 comparator achieves a 0.8% accuracy (–40°C to +125°C) for the undervoltage (VITN) threshold. The TPS3851 also includes accurate hysteresis on the undervoltage threshold, making the device ideal for use with tight tolerance systems. The supervisor RESET delay features a 15% accuracy and high-precision delay timing. The TPS3851/TPS3851-Q1 includes a programmable watchdog timer for various applications. The dedicated watchdog output (WDO) enables increased resolution to help determine the nature of fault conditions. Watchdog timeouts can be programmed either by an external capacitor or factory-programmed default delay settings. The TPS3851-Q1 devices are AEC-Q100 qualified for automotive applications.

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Qty. RoHS ECAD Model Type
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Package/Case
Threshold Voltage
Number of Inputs Monitored
Output Type
Manual Reset
Watchdog Timers
Battery Backup Switching
Reset Delay Time
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Texas Instruments Supervisory Circuits Automotive high-acc uracy voltage superv
Datasheet
4,325In Stock
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Voltage Supervisory SMD/SMT SON-8 3 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits Automotive high-acc uracy voltage superv
Datasheet
2,558In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 3.3 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits Automotive high-acc uracy voltage superv
Datasheet
2,995In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 3 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 5 V - 40 C + 125 C 1 % TPS3851 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851H50EDRBT
Datasheet
2,660In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 5 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits Automotive high-acc uracy voltage superv
Datasheet
2,850In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 5 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 5 V - 40 C + 125 C 1 % TPS3851 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits Automotive high-acc uracy voltage superv
Datasheet
2,395In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 3.3 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G25EDRBT
Datasheet
2,638In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 2.5 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851H25EDRBT
Datasheet
9,102In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 2.5 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G33SDRBT
Datasheet
1,976In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 3.3 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits Automotive high-acc uracy voltage superv
Datasheet
2,324In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 1.8 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G30EDRBT
Datasheet
1,952In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 3 V 1 Input Active Low, Open Drain Manual Reset Watchdog 5 V - 40 C + 125 C 1 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits Automotive high-acc uracy voltage superv
Datasheet
787In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 5 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits Automotive high-acc uracy voltage superv
Datasheet
2,988In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 1.8 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits Automotive high-acc uracy voltage superv
Datasheet
2,380In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 3.3 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 5 V - 40 C + 125 C 1 % TPS3851 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G33EDRBT
Datasheet
1,738In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 3.3 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851H18EDRBT
Datasheet
2,116In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 1.8 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G18EDRBT
Datasheet
1,552In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 1.8 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G18EDRBR
Datasheet
521In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

Voltage Supervisory SMD/SMT SON-8 1.8 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G18SDRBT
Datasheet
13In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SON-8 1.8 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G18SDRBR
Datasheet
3In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

Voltage Supervisory SMD/SMT SON-8 1.8 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G30EDRBR
Datasheet
547In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

Voltage Supervisory SMD/SMT SON-8 3 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G33EDRBR
Datasheet
197In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

Voltage Supervisory SMD/SMT SON-8 3.3 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G33SDRBR
Datasheet
81In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

Voltage Supervisory SMD/SMT SON-8 3.3 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G50EDRBR
Datasheet
269In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

Voltage Supervisory SMD/SMT SON-8 5 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 6.5 V - 40 C + 125 C 0.8 % TPS3851 Reel, Cut Tape, MouseReel
Texas Instruments Supervisory Circuits High-accuracy voltag e supervisor with I A 595-TPS3851G50SDRBR
Datasheet
227In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

Voltage Supervisory SMD/SMT SON-8 5 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 5 V - 40 C + 125 C 1 % TPS3851 Reel, Cut Tape, MouseReel