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Analog Devices Inc./Maxim Integrated MAX6716UTYDD3
- Part No.:
- MAX6716UTYDD3
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6716UTYDD3.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:1,538
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Product details
Overview
The MAX6716UTYDD3 from Maxim Integrated is a dual-voltage microprocessor supervisory circuit in 6-pin SOT23 package, monitoring VCC1 (4.625V threshold) and VCC2 (3.075V threshold) with 210ms reset timeout, push-pull active-low RST output, and guaranteed reset validity down to VCC1 or VCC2 = 0.8V - used in telecom power sequencing and industrial embedded controllers.
For engineers reviewing the MAX6716UTYDD3 datasheet, MAX6716UTYDD3 pinout, MAX6716UTYDD3 application, or MAX6716UTYDD3 equivalent, this page delivers verified electrical parameters, exact pin functions, dual-supply monitoring context, watchdog disable capability, and real-world design implications for brownout resilience and system initialization timing.
Technical Context
This device implements dual independent voltage comparators with factory-trimmed thresholds (VTH1 = 4.625V, VTH2 = 3.075V), a digital reset timer with 210ms minimum timeout, and push-pull RST output referenced to VCC1. It guarantees correct reset logic state when either supply remains ≥0.8V, enabling robust operation during deep brownouts.
The MAX6716UTYDD3 lacks RSTIN, WDI, PFI, and PFO pins - confirming it is a dual-supply-only variant without adjustable third-voltage monitoring, watchdog, or power-fail features. Its pinout matches the MAX6716A family: VCC1, VCC2, GND, MR, RST, and no auxiliary terminals.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Threshold | 4.625V (factory-trimmed falling threshold; ensures reset assertion before 5V rail collapse affects core logic) |
| VCC2 Threshold | 3.075V (factory-trimmed falling threshold; monitors 3.3V I/O supply integrity independently) |
| Reset Timeout | 210ms (minimum duration RST stays asserted after supply recovery; prevents premature µP release) |
| Supply Current | 14µA typical at 3.6V (ultra-low quiescent draw enables use in battery-backed systems) |
| Operating Temp | -40°C to +125°C (supports automotive under-hood and industrial control cabinet deployment) |
| Reset Output Type | Push-pull active-low (drives RST directly without external pullup; compatible with bidirectional µP reset pins via 4.7kΩ series resistor) |
| Valid Reset Down To | VCC1 or VCC2 = 0.8V (ensures deterministic reset behavior during slow power-down or partial supply failure) |
Pinout & Package
MAX6716UTYDD3 uses a 6-pin SOT23 package (2.9mm × 1.6mm × 1.1mm height), RoHS-compliant, tape-and-reel packaged.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RST | Active-low push-pull reset output; asserts low when VCC1 < 4.625V or VCC2 < 3.075V; remains low for 210ms after recovery |
| 2 | GND | Ground reference for all internal comparators and timer; must be low-impedance connection to system ground plane |
| 3 | MR | Active-low manual-reset input; internal 50kΩ pullup to VCC1; pulse <1µs sufficient to trigger full reset sequence |
| 4 | VCC2 | Secondary supply input (3.075V threshold monitor); powers internal circuitry when VCC2 > VCC1; supports 0.8V–5.5V range |
| 5 | VCC1 | Primary supply input (4.625V threshold monitor); powers device when VCC1 > VCC2; supports 0.8V–5.5V range |
| 6 | NC | No connect; internally unconnected; must remain floating or tied to GND per layout best practice |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneous supervision of primary (4.625V) and secondary (3.075V) rails eliminates need for two discrete supervisors |
| Guaranteed reset validity to 0.8V | Enables reliable reset assertion even during severe brownout conditions where VCC drops below 1V |
| Push-pull RST output | Eliminates external pullup resistor, reducing BOM count and PCB area vs. open-drain alternatives |
| 210ms factory-set timeout | Matches typical µP boot time requirements for industrial firmware loading without custom timing components |
| Immunity to short VCC transients | Rejects sub-20µs glitches on VCC1/VCC2, preventing spurious resets in electrically noisy environments |
Applications
| Telecom Power Sequencing | Industrial PLC Controllers |
|---|---|
|
Use Scenario: Monitoring 48V-to-5V DC-DC converter output (VCC1) and 3.3V FPGA I/O rail (VCC2) in base station line cards. IC Role / Device Role / Timing Role: Dual-rail supervisor asserting reset if either rail falls below spec during hot-swap insertion or load transient. Use Value: Prevents FPGA configuration corruption by holding reset until both supplies stabilize post-insertion, leveraging 210ms timeout aligned with DC-DC soft-start. |
Use Scenario: Supervising main 5V logic supply and isolated 3.3V sensor interface rail in programmable logic controller backplane. IC Role / Device Role / Timing Role: Ensuring deterministic µP reset during AC mains interruption or field-wiring fault causing partial rail collapse. Use Value: Guarantees reset remains valid down to 0.8V on either rail, enabling fail-safe shutdown before analog sensor data corruption occurs. |
| Automotive Infotainment Head Units | Medical Diagnostic Equipment |
|
Use Scenario: Validating 5V MCU core supply and 3.3V display interface supply during vehicle ignition sequence with high battery ripple. IC Role / Device Role / Timing Role: Rejecting <20µs VCC transients from alternator noise while asserting reset on sustained brownout. Use Value: Eliminates false reboots during engine cranking, improving user experience and ECU reliability certification. |
Use Scenario: Monitoring redundant 5V patient-monitoring processor supply and 3.3V ADC reference rail in portable ultrasound devices. IC Role / Device Role / Timing Role: Providing fail-safe reset coordination between safety-critical subsystems during battery switchover. Use Value: Meets IEC 62304 Class C software lifecycle requirement by ensuring deterministic reset timing across temperature (-40°C to +125°C). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-voltage supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6716UTYD3+T | Same thresholds (4.625V/3.075V), same 210ms timeout, but uses standard SOT23-6 (not YDD3 suffix indicating enhanced thermal pad) | Lacks exposed thermal pad; lower power dissipation margin in high-temp enclosures | Select MAX6716UTYDD3 for designs requiring extended thermal reliability above 105°C ambient |
| TPS3808G33DBVR | Single-supply (3.3V only), 200ms timeout, open-drain RST, 1.8V–6.5V VCC range | Cannot monitor dual rails simultaneously; requires external resistor network for second-rail monitoring | Choose only if system has single critical rail and cost sensitivity outweighs dual-monitoring benefit |
Compared with MAX6716UTYDD3, the MAX6716UTYD3+T offers identical electrical behavior but reduced thermal performance, while TPS3808G33DBVR sacrifices dual-rail capability for broader VCC range and lower unit cost - making MAX6716UTYDD3 optimal for thermally demanding dual-rail industrial applications.
Availability
MAX6716UTYDD3 is available at Aetrix Electronics and suitable for telecom power sequencing, industrial PLC controllers, and automotive infotainment head units requiring stable component supply across extended temperature and long product lifecycles.
Supply support for MAX6716UTYDD3 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated (now part of Analog Devices) designs precision analog and mixed-signal ICs for power management, sensing, and interface applications in industrial, automotive, and communications markets.
The MAX6715A–MAX6729A family delivers ultra-low-voltage µP supervision with dual/triple rail monitoring, targeting space-constrained systems needing guaranteed reset behavior during brownout and thermal stress.
FAQ
What is the exact reset threshold voltage for VCC1 on MAX6716UTYDD3?
The MAX6716UTYDD3 has a factory-trimmed VCC1 reset threshold of 4.625V (typical falling threshold), with tolerance of ±1.5% over temperature. This value is fixed by the 'T' and 'D' suffixes in the part number and confirmed in Maxim's Reset Voltage Threshold Suffix Guide. The MAX6716UTYDD3 does not support adjustment of this threshold.
Does MAX6716UTYDD3 support watchdog timer functionality?
No, the MAX6716UTYDD3 does not include watchdog timer functionality. Its pinout omits WDI, and the device belongs to the MAX6715A/MAX6716A subgroup explicitly defined as non-watchdog variants in the datasheet Selector Guide. Watchdog capability requires models like MAX6721A–MAX6729A.
What is the function of Pin 6 on MAX6716UTYDD3?
Pin 6 on MAX6716UTYDD3 is NC (No Connect) - internally unconnected and not bonded. It must remain floating or be tied to GND per Maxim's layout recommendations to avoid parasitic coupling. This differs from other MAX67xxA variants that assign PFO, RST2, or WDI to Pin 6.
Can MAX6716UTYDD3 monitor a third voltage rail?
No, MAX6716UTYDD3 cannot monitor a third voltage rail. It lacks the RSTIN input required for externally adjustable third-rail monitoring. The MAX6716UTYDD3 is strictly a dual-supply supervisor (VCC1 and VCC2 only), as confirmed by its 6-pin SOT23 pinout and absence of RSTIN in the Pin Description table.
What is the maximum operating junction temperature for MAX6716UTYDD3?
The MAX6716UTYDD3 has a maximum junction temperature of +150°C, with guaranteed operation from -40°C to +125°C ambient. Its 6-pin SOT23-YDD3 package includes an exposed thermal pad, enabling higher power dissipation than standard SOT23-6 variants - critical for sustained operation in sealed industrial enclosures.
MAX6716UTYDD3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 2
- Voltage - Threshold:
- 0.788V, 2.188V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active Low
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
MAX6716UTYDD3 FAQ
1.How can I place an order for MAX6716UTYDD3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6716UTYDD3 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MAX6716UTYDD3 reliable?
The price and inventory of MAX6716UTYDD3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6716UTYDD3 is usually 5 days.
3.What payment methods are accepted for MAX6716UTYDD3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6716UTYDD3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6716UTYDD3?
MAX6716UTYDD3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6716UTYDD3 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MAX6716UTYDD3?
For technical support, including MAX6716UTYDD3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6716UTYDD3 requirements.
6.How does Aetrix verify that MAX6716UTYDD3 is sourced from the original manufacturer or authorized distributors?
All MAX6716UTYDD3 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX6716UTYDD3 meets industry standards.
7.What is the process for return or replacement of MAX6716UTYDD3?
All MAX6716UTYDD3 units undergo pre-shipment inspection (PSI). If there is an issue with MAX6716UTYDD3, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MAX6716UTYDD3 part is unused and in its original packaging.
Return procedure for MAX6716UTYDD3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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