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Analog Devices Inc./Maxim Integrated MAX6715AUTZED1+T
- Part No.:
- MAX6715AUTZED1+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6715AUTZED1+T.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:1,047
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Product details
Overview
MAX6715AUTZED1+T from Maxim Integrated is a dual-supply ultra-low-voltage microprocessor supervisory circuit in SOT23-5 package, monitoring VCC1 (1.8V–5.0V) and VCC2 (0.9V–3.3V) with factory-trimmed reset thresholds, 1.1ms minimum reset timeout, and guaranteed reset validity down to VCC1 or VCC2 = 0.8V - used for reliable power-up sequencing and brownout protection in telecom and industrial embedded systems.
For engineers reviewing the MAX6715AUTZED1+T datasheet, MAX6715AUTZED1+T pinout, MAX6715AUTZED1+T application, or MAX6715AUTZED1+T equivalent, key selection criteria include dual-rail voltage monitoring capability, SOT23-5 footprint compatibility, sub-20µA supply current at 3.6V, immunity to short VCC transients, and support for manual reset and watchdog-free operation.
Technical Context
The MAX6715AUTZED1+T implements independent comparators for VCC1 and VCC2 with fixed factory-trimmed thresholds (suffix "Z" = VTH1 = 2.25V, VTH2 = 2.25V), a 1.1ms reset timeout (suffix "D1"), and push-pull active-low RST output referenced to VCC1. It asserts reset when either supply falls below its threshold and holds reset for the full timeout after both supplies recover.
No RSTIN, WDI, PFI, or MR functionality is included in this variant - confirmed by pin mapping (5-pin SOT23 with pins: 1=RST, 2=GND, 3=MR, 4=VCC2, 5=VCC1) and suffix decoding per Maxim's Selector Guide: "Z" = dual fixed thresholds, "D1" = 1.1ms timeout, no optional features enabled.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Threshold | 2.25V (factory-trimmed, ±37.5mV tolerance) - sets primary supply brownout detection point for 2.5V/3.3V systems |
| VCC2 Threshold | 2.25V (factory-trimmed, ±37.5mV tolerance) - matches VCC1 for symmetric dual-rail monitoring |
| Reset Timeout | 1.1ms (min) - ensures sufficient hold time for μP initialization without excessive system delay |
| Supply Current | 15µA (typ at VCC1 < 5.5V) - enables battery-backed or low-power always-on supervision |
| Operating Temp | -40°C to +125°C - qualified for under-hood automotive and industrial control environments |
| Reset Validity | Down to VCC1 or VCC2 = 0.8V - guarantees correct logic state during deep brownout recovery |
| Output Type | Push-pull active-low RST - eliminates need for external pullup; drives directly into μP reset pin |
Pinout & Package
MAX6715AUTZED1+T is housed in a 5-pin SOT23-5 package (package code U5+1), with 0.95mm pitch, 2.9mm × 1.6mm body, and thermal resistance θJA = 324.3°C/W (four-layer board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - RST | Active-low reset output | Push-pull driver referenced to VCC1; asserts low on VCC1/VCC2 undervoltage; holds for 1.1ms min after recovery |
| 2 - GND | Ground reference | Common return for all internal comparators, timers, and output stage; must be low-impedance |
| 3 - MR | Active-low manual-reset input | Internal 50kΩ pullup to VCC1; pulling low forces immediate reset assertion for duration of timeout |
| 4 - VCC2 | Secondary supply input | Powers internal circuitry when VCC2 > VCC1; monitored against 2.25V threshold |
| 5 - VCC1 | Primary supply input | Main power rail input; powers device when VCC1 > VCC2; monitored against 2.25V threshold |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneous VCC1 and VCC2 supervision with separate comparators avoids single-point failure in multirail systems |
| Factory-trimmed precision thresholds | ±1.5% accuracy (2.25V ±37.5mV) eliminates external resistor networks and calibration overhead |
| Ultra-low quiescent current | 15µA typical supply draw enables use in energy-constrained applications without compromising supervision reliability |
| Robust reset timing | Guaranteed 1.1ms minimum timeout ensures μP core and peripherals fully initialize before release |
| Brownout immunity | Valid reset assertion down to 0.8V VCC supports graceful shutdown in deep undervoltage conditions |
Applications
| Telecom Line Cards | Industrial PLC Modules |
|---|---|
Use Scenario: Monitoring dual 3.3V and 2.5V rails powering FPGA, PHY, and MCU on carrier-grade line cards. IC Role / Device Role / Timing Role: Dual-supply supervisor ensuring synchronized reset release only after both rails stabilize above 2.25V. Use Value: Prevents configuration lockup during hot-swap events by enforcing 1.1ms minimum reset hold time. | Use Scenario: Supervising 24V DC-DC converted 5V and 3.3V supplies in DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Primary/secondary voltage monitor with manual reset for field service recovery. Use Value: Guarantees reset validity down to 0.8V during brownout, enabling safe I/O state retention. |
| Automotive Infotainment Head Units | Medical Diagnostic Equipment |
Use Scenario: Power sequencing for SoC (1.1V core), DDR memory (1.2V), and interface supplies (3.3V) in AEC-Q100-aligned designs. IC Role / Device Role / Timing Role: Dual-rail supervisor with -40°C to +125°C operation and push-pull RST for direct SoC reset interface. Use Value: Eliminates external pullup resistor, reducing BOM count and PCB area in space-constrained head unit modules. | Use Scenario: Ensuring fail-safe boot of imaging processor and sensor interface ICs powered from isolated 3.3V and 1.8V rails. IC Role / Device Role / Timing Role: Precision dual-threshold supervisor with <20µA ICC enabling battery backup during AC loss. Use Value: Maintains valid reset signal even as main rails decay to 0.8V, allowing controlled data save before shutdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-supply supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6716AUTZED1+T | Identical pinout and electrical specs, but open-drain RST output instead of push-pull | Requires external pullup resistor; suitable where level-shifting or wired-OR reset bus is needed | Select MAX6716AUTZED1+T only if system requires open-drain reset for bus sharing or voltage translation |
| TPS3808G125DBVR | Single-supply (VDD only), 1.25V threshold, 200ms timeout, SOT23-5 - no VCC2 monitoring or MR input | Limited to single-rail systems; lacks dual-supply coordination and manual reset capability | Choose TPS3808G125DBVR only for cost-sensitive, single-rail applications where dual monitoring is unnecessary |
Compared with MAX6715AUTZED1+T, MAX6716AUTZED1+T offers identical supervision logic but requires external pullup due to open-drain RST, while TPS3808G125DBVR reduces functionality to single-rail monitoring with longer timeout - making MAX6715AUTZED1+T optimal for dual-rail systems needing push-pull drive and manual reset.
Availability
MAX6715AUTZED1+T is available at Aetrix Electronics and suitable for telecom infrastructure, industrial automation, and automotive infotainment systems requiring stable component supply, long-lifecycle assurance, and AEC-Q100-aligned reliability.
Supply support for MAX6715AUTZED1+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 demanding industrial, automotive, and communications applications.
The MAX6715A–MAX6729A family delivers compact, low-power supervisory solutions for multivoltage embedded systems - engineered to replace discrete reset circuits with guaranteed timing, temperature stability, and supply voltage margin.
FAQ
What is the reset threshold voltage for VCC1 and VCC2 on the MAX6715AUTZED1+T?
The MAX6715AUTZED1+T has factory-trimmed reset thresholds of 2.25V for both VCC1 and VCC2 (suffix "Z"), with ±1.5% tolerance (±37.5mV). This dual 2.25V setting is optimized for systems using matched 2.5V/3.3V rails or asymmetric supplies where coordinated brownout detection is required. The MAX6715AUTZED1+T guarantees valid reset output down to VCC = 0.8V.
Does the MAX6715AUTZED1+T support watchdog timer or power-fail monitoring?
No, the MAX6715AUTZED1+T does not include watchdog timer (WDI), power-fail input (PFI), or power-fail output (PFO) functionality. Its 5-pin SOT23 configuration and "ZED1" suffix confirm it is the base dual-supply variant with only VCC1/VCC2 monitoring, manual reset (MR), and push-pull RST output. For those features, consider MAX6721A–MAX6729A variants with appropriate suffixes.
What is the reset timeout period of the MAX6715AUTZED1+T, and is it adjustable?
The MAX6715AUTZED1+T provides a fixed 1.1ms minimum reset timeout period (suffix "D1"), guaranteed over -40°C to +125°C. This value is factory-programmed and not user-adjustable. The timeout begins when VCC1 or VCC2 falls below threshold and ends only after both supplies exceed their thresholds for the full duration - with automatic restart if either supply dips again mid-timer.
Can the MAX6715AUTZED1+T operate with VCC1 = 1.8V and VCC2 = 1.2V?
Yes, the MAX6715AUTZED1+T supports VCC1 from 1.8V to 5.0V and VCC2 from 0.9V to 3.3V per datasheet specifications. At VCC1 = 1.8V and VCC2 = 1.2V, it maintains valid reset assertion down to 0.8V on either rail and draws only ~10µA total supply current. The 2.25V thresholds remain accurate, making it suitable for modern low-voltage SoC power domains.
Is the MAX6715AUTZED1+T pin-compatible with other devices in the MAX6715A–MAX6729A family?
The MAX6715AUTZED1+T is pin-compatible with other 5-pin SOT23 variants in the family (e.g., MAX6716AUTZED1+T, MAX6717AUTZED1+T), sharing identical pinout: Pin 1=RST, Pin 2=GND, Pin 3=MR, Pin 4=VCC2, Pin 5=VCC1. However, functional differences exist - e.g., MAX6716A uses open-drain RST, while MAX6717A adds RSTIN. Always verify feature suffixes before substitution.
MAX6715AUTZED1+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:
- 0.833V, 2.313V
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- 1.1ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-6
MAX6715AUTZED1+T FAQ
1.How can I place an order for MAX6715AUTZED1+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6715AUTZED1+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 MAX6715AUTZED1+T reliable?
The price and inventory of MAX6715AUTZED1+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6715AUTZED1+T is usually 5 days.
3.What payment methods are accepted for MAX6715AUTZED1+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6715AUTZED1+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6715AUTZED1+T?
MAX6715AUTZED1+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6715AUTZED1+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 MAX6715AUTZED1+T?
For technical support, including MAX6715AUTZED1+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6715AUTZED1+T requirements.
6.How does Aetrix verify that MAX6715AUTZED1+T is sourced from the original manufacturer or authorized distributors?
All MAX6715AUTZED1+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 MAX6715AUTZED1+T meets industry standards.
7.What is the process for return or replacement of MAX6715AUTZED1+T?
All MAX6715AUTZED1+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6715AUTZED1+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 MAX6715AUTZED1+T part is unused and in its original packaging.
Return procedure for MAX6715AUTZED1+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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