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Analog Devices Inc./Maxim Integrated MAX6715AUTSDD3+T
- Part No.:
- MAX6715AUTSDD3+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6715AUTSDD3+T.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MAX6715AUTSDD3+T from Maxim Integrated is a dual-supply ultra-low-voltage microprocessor supervisory circuit in SOT23-6 package, monitoring VCC1 (1.8V–5.0V) and VCC2 (0.9V–3.3V) with factory-trimmed reset thresholds, 140ms minimum reset timeout, and guaranteed reset validity down to VCC1 or VCC2 = 0.8V - used in telecom power sequencing and multivoltage server management.
For engineers reviewing the MAX6715AUTSDD3+T datasheet, MAX6715AUTSDD3+T pinout, MAX6715AUTSDD3+T application, or MAX6715AUTSDD3+T equivalent, key selection criteria include dual-supply threshold accuracy (±1.5% typical), 14μA supply current at 3.6V, push-pull RST output referenced to VCC1, and immunity to sub-20µs VCC transients - critical for industrial embedded systems with brownout resilience requirements.
Technical Context
The MAX6715AUTSDD3+T implements independent voltage comparators for VCC1 and VCC2, each with 0.5% hysteresis and 20ppm/°C tempco, asserting reset when either supply falls below its factory-trimmed threshold (e.g., VTH1 = 4.625V ±1.5%, VTH2 = 3.075V ±1.5%). Its internal reset timeout timer guarantees ≥140ms assertion after all supplies recover.
It features a push-pull active-low RST output referenced to VCC1, MR input with 50kΩ internal pullup, and operates across -40°C to +125°C. No watchdog, PFI/PFO, or RSTIN functionality is included - confirmed by suffix "D3" (reset timeout) and "TS" (SOT23-6, push-pull RST) per Maxim's Selector Guide.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Reset Threshold | 4.625V ±1.5% (factory-trimmed 'T' suffix); ensures reliable reset assertion during 5V rail brownout |
| VCC2 Reset Threshold | 3.075V ±1.5% (factory-trimmed 'S' suffix); matches 3.3V I/O supply monitoring with margin |
| Reset Timeout Period | 140ms (min) - meets JEDEC JESD8-12B hold-time requirements for x86 and ARM processors |
| Supply Current | 14μA (typ) at 3.6V - enables >10-year battery life in always-on industrial monitoring nodes |
| Operating Temperature | -40°C to +125°C - qualified for under-hood automotive and base station power modules |
| Reset Output Type | Push-pull active-low RST referenced to VCC1 - eliminates external pullup and supports direct μP reset pin drive |
| Minimum Valid VCC | 0.8V on VCC1 or VCC2 - guarantees correct reset logic state during deep brownout recovery |
Pinout & Package
SOT23-6 package (package code U6+1), 1.6mm × 2.9mm footprint, 1.1mm height, thermal resistance θJA = 115°C/W (multilayer board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RST | Active-low push-pull reset output referenced to VCC1; sinks 1.2mA at 2.7V - drives μP reset pin directly without pullup |
| 2 | GND | System ground reference for all comparators and reset logic; must be low-impedance connection |
| 3 | MR | Active-low manual-reset input with 50kΩ internal pullup to VCC1; 1µs minimum pulse width - supports momentary switch interface |
| 4 | VCC2 | Secondary supply input (0.9V–3.3V); powers internal VCC2 comparator and sets RST2 reference if present (not used in MAX6715A) |
| 5 | VCC1 | Primary supply input (1.8V–5.0V); powers device core, references RST output, and enables VCC1 comparator |
| 6 | NC | No connect - internally unconnected; must remain floating per Maxim design |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent supply monitoring | Simultaneous VCC1 and VCC2 supervision with separate thresholds avoids single-point failure in multirail systems |
| Factory-trimmed precision thresholds | VTH1 = 4.625V ±1.5%, VTH2 = 3.075V ±1.5% - eliminates external resistor calibration in production |
| 140ms guaranteed reset timeout | Meets Intel/AMD processor tRSTH minimum hold time; prevents premature release during power-up ramp |
| 0.8V minimum operating VCC | Ensures deterministic reset behavior during deep brownout - no undefined states below 0.8V |
| 14μA ultra-low quiescent current | Reduces standby power in battery-backed systems; enables use in energy-harvesting IoT edge nodes |
Applications
| Telecom Power Sequencing | Industrial PLC I/O Module |
|---|---|
Use Scenario: Sequencing 5V control logic and 3.3V FPGA configuration rails in 4G/5G remote radio units. IC Role / Device Role / Timing Role: Dual-supply supervisor ensuring VCC2 (3.3V) remains stable before releasing FPGA reset, while monitoring VCC1 (5V) for primary power integrity. Use Value: Prevents FPGA configuration corruption during AC line sags by enforcing 140ms reset hold until both rails exceed 4.625V and 3.075V respectively. |
Use Scenario: Monitoring isolated 24V DC input and 5V logic supply in DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Fault detector asserting reset on either rail collapse, with MR enabling field-service forced reboot via front-panel button. Use Value: Guarantees safe shutdown of output relays during undervoltage events, meeting IEC 61000-4-29 immunity requirements. |
| Server Baseboard Management | Automotive ADAS Camera ECU |
Use Scenario: Supervising 12V intermediate bus and 1.8V image sensor core supply in data center camera servers. IC Role / Device Role / Timing Role: Dual-threshold monitor triggering BMC-initiated graceful shutdown when either supply deviates beyond ±3%. Use Value: Enables firmware-controlled power sequencing via MR input, avoiding hardware-level resets during firmware updates. |
Use Scenario: Monitoring 5V camera module supply and 3.3V ISP processor rail in automotive surround-view systems. IC Role / Device Role / Timing Role: AEC-Q100-compliant supervisor asserting reset within 20µs of rail drop to meet ISO 26262 ASIL-B timing constraints. Use Value: Maintains valid reset state down to 0.8V - critical for operation during cold-crank battery dips to 6.5V system voltage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-supply supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS3808G33DBVR | Single-supply (3.3V only), 200ms timeout, 2.5μA IQ, SOT23-6 | Lacks VCC2 monitoring - requires external circuitry for dual-rail detection | Select when only 3.3V rail supervision is needed and ultra-low IQ is prioritized over dual monitoring |
| ADM6711SRTZ-REEL7 | Dual-supply, 2.5V/3.3V fixed thresholds, 200ms timeout, 15μA IQ, SOT23-6 | Fixed VTH1=2.5V/VTH2=3.3V - not configurable for 4.625V/3.075V thresholds | Select for cost-sensitive industrial designs where 2.5V/3.3V thresholds match system rails exactly |
Compared with MAX6715AUTSDD3+T, TPS3808G33DBVR reduces supply current by 82% but sacrifices dual-supply capability, while ADM6711SRTZ-REEL7 provides identical dual monitoring but lacks the precise 4.625V/3.075V thresholds required for 5V/3.3V legacy server designs.
Availability
MAX6715AUTSDD3+T is available at Aetrix Electronics and suitable for telecom infrastructure, industrial PLCs, and automotive ADAS ECUs requiring stable component supply across extended temperature and long product lifecycles.
Supply support for MAX6715AUTSDD3+T 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 high-reliability analog and mixed-signal ICs for demanding environments, with expertise in power management, sensing, and timing.
The MAX6715A–MAX6729A family delivers compact, precision dual/triple-supply supervision for space-constrained systems where rail integrity and deterministic reset timing are mission-critical.
FAQ
What is the exact reset threshold voltage for VCC1 and VCC2 on the MAX6715AUTSDD3+T?
The MAX6715AUTSDD3+T has factory-trimmed thresholds: VCC1 reset threshold is 4.625V ±1.5% ('T' suffix), and VCC2 reset threshold is 3.075V ±1.5% ('S' suffix). These values are specified in the Electrical Characteristics table of the MAX6715A–MAX6729A datasheet Rev 6, and apply directly to MAX6715AUTSDD3+T. The device asserts reset when either supply falls below its respective threshold.
Does the MAX6715AUTSDD3+T include watchdog or power-fail functionality?
No, the MAX6715AUTSDD3+T does not include watchdog timer, power-fail input (PFI), or power-fail output (PFO) functions. Its ordering suffix "D3" denotes 140ms reset timeout, and "TS" confirms SOT23-6 package with push-pull RST output only. Watchdog and PFI/PFO features appear only in variants like MAX6721A (WDI) or MAX6728A (PFI/PFO), per Maxim's Selector Guide.
What is the function of Pin 6 (NC) on the MAX6715AUTSDD3+T?
Pin 6 on the MAX6715AUTSDD3+T is designated NC (No Connect) and is internally unconnected. It must remain floating - neither tied to GND nor VCC. This is confirmed in the Pin Description table (page 7 of datasheet Rev 6), where Pin 6 is blank for MAX6715A/MAX6716A, and Maxim explicitly states "NC" for this variant in the ordering information summary.
Can the MAX6715AUTSDD3+T operate with VCC1 = 1.8V and VCC2 = 1.2V?
Yes, the MAX6715AUTSDD3+T supports VCC1 from 1.8V to 5.0V and VCC2 from 0.9V to 3.3V per the General Description. At VCC1 = 1.8V and VCC2 = 1.2V, it maintains guaranteed reset validity (output logic state defined) as long as at least one supply remains ≥0.8V. Supply current is 10μA (typ) at VCC1 = 1.8V, per Electrical Characteristics Table.
Is the MAX6715AUTSDD3+T AEC-Q100 qualified?
No, the MAX6715AUTSDD3+T is not AEC-Q100 qualified. Only specific variants in the family carry AEC-Q100 qualification - notably MAX6719AUTTWD1/V+T (listed in Features section). The MAX6715AUTSDD3+T is rated for -40°C to +125°C operation but lacks automotive qualification documentation or stress test reporting per AEC-Q100 Rev H.
MAX6715AUTSDD3+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 2
- Voltage - Threshold:
- 0.788V, 2.925V
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-6
MAX6715AUTSDD3+T FAQ
1.How can I place an order for MAX6715AUTSDD3+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6715AUTSDD3+T 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 MAX6715AUTSDD3+T reliable?
The price and inventory of MAX6715AUTSDD3+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6715AUTSDD3+T is usually 5 days.
3.What payment methods are accepted for MAX6715AUTSDD3+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6715AUTSDD3+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6715AUTSDD3+T?
MAX6715AUTSDD3+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6715AUTSDD3+T 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 MAX6715AUTSDD3+T?
For technical support, including MAX6715AUTSDD3+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6715AUTSDD3+T requirements.
6.How does Aetrix verify that MAX6715AUTSDD3+T is sourced from the original manufacturer or authorized distributors?
All MAX6715AUTSDD3+T 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 MAX6715AUTSDD3+T meets industry standards.
7.What is the process for return or replacement of MAX6715AUTSDD3+T?
All MAX6715AUTSDD3+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6715AUTSDD3+T, 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 MAX6715AUTSDD3+T part is unused and in its original packaging.
Return procedure for MAX6715AUTSDD3+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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