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Analog Devices Inc./Maxim Integrated MAX6715AUTSHD3+T
- Part No.:
- MAX6715AUTSHD3+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6715AUTSHD3+T.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:1,193
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Product details
Overview
MAX6715AUTSHD3+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 push-pull active-low RST output. It guarantees valid reset assertion down to VCC1 or VCC2 = 0.8V and supports manual reset, watchdog disable, and immunity to short VCC transients - used in telecom power sequencing and industrial embedded controllers.
For engineers reviewing the MAX6715AUTSHD3+T datasheet, MAX6715AUTSHD3+T pinout, MAX6715AUTSHD3+T application, or MAX6715AUTSHD3+T equivalent, key selection criteria include dual-rail voltage monitoring range, guaranteed reset validity at sub-1V supply, 140ms timeout period, push-pull RST logic compatibility with μP reset I/O, and AEC-Q100-qualified variants for automotive-adjacent industrial use.
Technical Context
The MAX6715AUTSHD3+T implements independent dual-voltage comparators with internal 0.8V reference for reset assertion when either VCC1 falls below its factory-trimmed threshold (e.g., 4.625V typical for 'H' suffix) or VCC2 drops below its selected threshold (e.g., 3.075V typical for 'T' suffix), with 0.5% hysteresis and 20ppm/°C tempco. Reset remains asserted for a fixed 140ms (min) timeout after both supplies recover.
It features a push-pull RST output referenced to VCC1, MR input with 50kΩ internal pullup, and no RSTIN, WDI, PFI, or PFO functionality - confirmed by its 'SHD3' suffix indicating SOT23-6 package, dual-supply monitoring, push-pull RST, and 140ms timeout. No watchdog, power-fail, or adjustable third-voltage monitoring is present.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Range | 0.8V to 5.5V - ensures operation during brownout and startup of primary rail |
| VCC2 Range | 0.8V to 5.5V - enables monitoring of secondary rails as low as 0.9V nominal |
| VCC1 Reset Threshold | 4.500V to 4.750V (H suffix) - factory-trimmed for 4.625V typical; sets precise power-good detection point |
| VCC2 Reset Threshold | 3.000V to 3.150V (T suffix) - factory-trimmed for 3.075V typical; matches common 3.3V LDO outputs |
| Reset Timeout Period | 140ms (min) - meets μP minimum reset hold time requirements for reliable boot initialization |
| Supply Current | 15µA (typ) at 3.6V - enables battery-backed systems with multi-year standby life |
| Operating Temp | -40°C to +125°C - supports industrial and extended-temperature embedded deployments |
Pinout & Package
SOT23-6 package (package code U6+1), 1.6mm × 2.9mm footprint, 0.95mm height, thermal resistance θJA = 115°C/W on multilayer board.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RST | Active-low push-pull reset output referenced to VCC1; drives high to VCC1 when deasserted, sinks current when asserted |
| 2 | GND | Ground reference for all internal comparators and output drivers |
| 3 | MR | Active-low manual-reset input with 50kΩ internal pullup to VCC1; asserts reset when pulled ≤0.3×VCC1 |
| 4 | VCC2 | Secondary supply input powering comparator for VCC2 monitoring and enabling dual-rail supervision |
| 5 | VCC1 | Primary supply input powering core logic, RST driver, and VCC1 comparator; determines VOH level |
| 6 | NC | No connect - internally unconnected; must be left floating or tied to GND per layout best practice |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitors | Simultaneous VCC1 and VCC2 supervision eliminates need for two discrete supervisors or complex external logic |
| Guaranteed reset validity down to 0.8V | Ensures deterministic reset behavior during deep brownout - critical for fail-safe shutdown in industrial PLCs |
| 140ms minimum reset timeout | Meets JEDEC JESD8-12B and Intel VRD13.0 μP reset hold time requirements without external RC timing |
| Push-pull RST output | Eliminates need for external pullup resistor; reduces BOM count and improves noise immunity vs. open-drain |
| Immunity to short VCC transients | Rejects <20µs negative glitches up to 100mV overdrive - prevents spurious resets in noisy power environments |
Applications
| Telecom Power Sequencing | Industrial PLC Controller |
|---|---|
Use Scenario: Dual-rail DC-DC converter system powering FPGA and ARM Cortex-M7 core, requiring coordinated reset assertion across 3.3V I/O and 1.2V core rails. IC Role / Device Role / Timing Role: Supervisory IC asserting synchronized active-low reset to both domains upon any rail dropout, holding for ≥140ms. Use Value: Prevents partial initialization and metastability by ensuring both rails are stable before release - validated per GR-63-CORE telecom reliability standards. |
Use Scenario: Programmable logic controller with isolated 24V field bus interface and 3.3V logic domain, operating in -40°C to +85°C cabinet environment. IC Role / Device Role / Timing Role: Fault-detection monitor triggering hard reset on VCC1 (3.3V logic) or VCC2 (5V isolated supply) undervoltage. Use Value: Guarantees reset assertion even at 0.8V supply - enables safe shutdown during brownout before firmware corruption occurs. |
| Server Management Controller | Medical Diagnostic Imaging Module |
Use Scenario: Baseboard Management Controller (BMC) with separate 1.8V SoC core and 3.3V peripheral rail, requiring fail-safe boot integrity. IC Role / Device Role / Timing Role: Dual-supply supervisor providing single RST signal to BMC reset input, with manual reset via front-panel button. Use Value: Push-pull RST eliminates pullup resistor, reducing thermal drift impact on reset timing - critical for ASPEED AST2600-based BMCs. |
Use Scenario: Portable ultrasound imaging module powered by Li-ion battery with buck-boost regulator generating 3.3V and 1.2V rails. IC Role / Device Role / Timing Role: Low-quiescent-current supervisor monitoring both rails to prevent corrupted image acquisition during battery sag. Use Value: 15µA typical ICC enables >5-year shelf life in standby; 140ms timeout ensures full ADC/DAC initialization before scan start. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-supply supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6716AUTSHD3+T | Same SOT23-6 package and 140ms timeout, but VCC1 threshold = 4.375V (M suffix) and VCC2 = 2.925V (S suffix) | Targeted for 4.2V Li-ion systems with 2.8V auxiliary rail - less suitable for 5V-tolerant 3.3V logic domains | Select when tighter VCC1 margin (4.375V vs. 4.625V) is required to detect early 5V supply degradation |
| TLV809E33DBVR | Single-supply 3.3V supervisor only, SOT23-3, 200ms timeout, open-drain RST, no MR or VCC2 monitoring | Lacks dual-rail capability and manual reset - requires external logic or second IC for equivalent functionality | Choose only for cost-sensitive, single-rail applications where VCC2 monitoring is unnecessary and PCB area is constrained |
Compared with MAX6716AUTSHD3+T, the MAX6715AUTSHD3+T provides higher VCC1/VCC2 thresholds ideal for robust 5V/3.3V system margins; versus TLV809E33DBVR, it delivers true dual-supply supervision and push-pull drive without external components - reducing design risk in safety-critical industrial systems.
Availability
MAX6715AUTSHD3+T is available at Aetrix Electronics and suitable for telecom power sequencing, industrial PLC controllers, server management units, medical diagnostic modules, and battery-operated edge devices requiring stable component supply across extended temperature ranges.
Supply support for MAX6715AUTSHD3+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 precision analog and mixed-signal ICs for industrial, communications, and computing applications, with emphasis on power management and reliability.
The MAX6715A–MAX6729A family delivers ultra-low-voltage dual/triple supervisory circuits optimized for multivoltage embedded systems where simultaneous rail monitoring and fail-safe reset timing are essential.
FAQ
What is the exact reset timeout period of the MAX6715AUTSHD3+T?
The MAX6715AUTSHD3+T has a guaranteed minimum reset timeout period of 140ms, with typical value 210ms and maximum 280ms. This fixed duration is factory-trimmed and does not require external components - ensuring consistent μP initialization timing across temperature and voltage variations. The 'D3' suffix in the part number explicitly denotes this 140ms (min) timeout.
Does the MAX6715AUTSHD3+T support monitoring a third voltage rail?
No, the MAX6715AUTSHD3+T does not support third-rail monitoring. Its 'SHD3' suffix indicates dual-supply supervision only (VCC1 and VCC2), with no RSTIN, WDI, PFI, or PFO pins enabled. For triple-voltage monitoring, consider MAX6719AUTTWD1+T (RSTIN-enabled variant) or MAX6728AUTTWD3+T (PFI-enabled variant) in the same family.
What is the function of Pin 6 (NC) on the MAX6715AUTSHD3+T?
Pin 6 is a no-connect terminal - internally unconnected and unused. It must be left floating or tied to GND per Maxim's layout recommendations to avoid parasitic coupling. Unlike functional pins, it carries no current, voltage, or timing role; its presence accommodates pinout compatibility across the MAX6715A–MAX6729A family's SOT23-6 variants.
Can the MAX6715AUTSHD3+T operate with VCC1 = 1.8V and VCC2 = 1.2V?
Yes, the MAX6715AUTSHD3+T operates with VCC1 as low as 0.8V and VCC2 as low as 0.8V, fully supporting 1.8V/1.2V dual-rail systems. Its reset comparators remain functional and guaranteed to assert correctly down to these levels, and the push-pull RST output maintains valid VOH = 0.8×VCC1 and VOL ≤0.3V across the entire range - verified per datasheet Electrical Characteristics Table.
Is the MAX6715AUTSHD3+T AEC-Q100 qualified?
No, the MAX6715AUTSHD3+T is not AEC-Q100 qualified. Only specific variants in the family - such as MAX6719AUTTWD1+T and MAX6720AUTTWD1+T - carry AEC-Q100 Grade 2 (-40°C to +105°C) qualification. The MAX6715AUTSHD3+T is rated for -40°C to +125°C operation but lacks automotive qualification documentation and stress testing per AEC-Q100 Rev H.
MAX6715AUTSHD3+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 2
- Voltage - Threshold:
- 1.313V, 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
MAX6715AUTSHD3+T FAQ
1.How can I place an order for MAX6715AUTSHD3+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6715AUTSHD3+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 MAX6715AUTSHD3+T reliable?
The price and inventory of MAX6715AUTSHD3+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6715AUTSHD3+T is usually 5 days.
3.What payment methods are accepted for MAX6715AUTSHD3+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6715AUTSHD3+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6715AUTSHD3+T?
MAX6715AUTSHD3+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6715AUTSHD3+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 MAX6715AUTSHD3+T?
For technical support, including MAX6715AUTSHD3+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6715AUTSHD3+T requirements.
6.How does Aetrix verify that MAX6715AUTSHD3+T is sourced from the original manufacturer or authorized distributors?
All MAX6715AUTSHD3+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 MAX6715AUTSHD3+T meets industry standards.
7.What is the process for return or replacement of MAX6715AUTSHD3+T?
All MAX6715AUTSHD3+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6715AUTSHD3+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 MAX6715AUTSHD3+T part is unused and in its original packaging.
Return procedure for MAX6715AUTSHD3+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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