MAX6831SFUT+T Analog Devices Integrated Circuit (SOT23 (6-Pin)) In Stock
The MAX6831SFUT+T is a single-channel voltage supervisor and reset IC with integrated watchdog timer and manual reset input, housed in a compact 6-pin SOT-23 package. It monitors one supply rail with a fixed threshold and asserts a reset signal on undervoltage or watchdog timeout. Ideal for microcontroller supervision in space-constrained embedded designs.
- Manufacturer
- Analog Devices
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- MAX6831SFUT+T Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.2965(MOQ 500)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MAX6831SFUT+T?
- Single-channel voltage supervisor with fixed threshold for reliable supply monitoring
- Integrated watchdog timer (WD:Y) for microcontroller fault detection
- Manual reset input for system override during debug and factory test
- Tiny 6-pin SOT-23 package enabling minimal PCB footprint
- RoHS-compliant (JESD-609 e3) with active lifecycle support through 2029
What is MAX6831SFUT+T used for?
The MAX6831SFUT+T is used in microcontroller-based embedded systems where reliable power-on reset and watchdog supervision are required in the smallest possible footprint. It is common in IoT edge nodes, industrial sensors, portable medical devices, and consumer electronics that need supply monitoring with watchdog-triggered resets to recover from firmware lockups.
What are the specifications of MAX6831SFUT+T?
| Manufacturer Package Code | 6-SOT_23-N/A |
| Reach Compliance Code | Compliant |
| Date Of Intro | 2000-12-04 |
| YTEOL | 9 |
| Additional Feature | BAT BUP SW:N;MNL RST:Y;OV DET:N;PW FL IP:N;PW FL IO:N;PW FL OP:N;PRG RST DLY:N;UV DET:N;WD:Y;WWD:N |
| Adjustable Threshold | NO |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.2V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Where can I find the MAX6831SFUT+T datasheet?
MAX6831SFUT+T Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for MAX6831SFUT+T?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Does the MAX6831SFUT+T include a watchdog timer, and how does that help in microcontroller-based designs?
Yes, the MAX6831SFUT+T includes an integrated watchdog timer that asserts a reset if the monitored microcontroller fails to toggle the watchdog input within the defined timeout window. This prevents firmware lockups from requiring manual power cycling, which is critical in unattended industrial sensors and remote IoT nodes.
What is the package size of MAX6831SFUT+T and why does that matter for compact embedded PCBs?
The MAX6831SFUT+T is housed in a 6-pin SOT-23 package, one of the smallest standard IC packages available, measuring approximately 2.9 x 1.6 mm. This footprint enables single-chip supply supervision with watchdog on constrained boards such as wearable sensors, USB dongles, or IoT modules where every square millimeter of PCB counts.
What supply monitoring capability does MAX6831SFUT+T provide and is the threshold adjustable?
The MAX6831SFUT+T monitors 1 voltage channel using a fixed (non-adjustable) threshold and asserts a reset output when the supply drops below that threshold. The fixed-threshold architecture simplifies design by eliminating external resistor dividers, making it a cost-effective choice for single-rail microcontroller supervision at standard 3.3 V or 5 V supply levels.
What compliance certifications and long-term availability does MAX6831SFUT+T offer for production sourcing?
The MAX6831SFUT+T carries a JESD-609 e3 (lead-free, RoHS-compliant) rating and REACH compliance, and was introduced in December 2000 with a YTEOL of 9 years indicating continued production support. Its long product history and active status make it a low lifecycle-risk choice for designs requiring stable long-term supply of a 6-pin SOT-23 supervisor.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| 500+ | $3.4795 | $1739.77 |
| 1000+ | $3.3905 | $3390.50 |
| 2500+ | $3.2965 | $8241.27 |
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