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Analog Devices Inc./Maxim Integrated MAX6715AUTSVD3+T
- Part No.:
- MAX6715AUTSVD3+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6715AUTSVD3+T.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:4,363
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Product details
Overview
MAX6715AUTSVD3+T from Maxim Integrated is a dual-supply ultra-low-voltage microprocessor supervisory circuit in SOT23-5 package, monitoring VCC1 (4.625V factory-trimmed threshold) and VCC2 (3.075V threshold), with 280ms reset timeout, push-pull active-low RST output, and guaranteed reset validity down to VCC1 or VCC2 = 0.8V. It enables reliable power sequencing and brownout detection in multivoltage embedded systems.
For engineers reviewing the MAX6715AUTSVD3+T datasheet, MAX6715AUTSVD3+T pinout, MAX6715AUTSVD3+T application, or MAX6715AUTSVD3+T equivalent, key selection criteria include dual-rail voltage monitoring accuracy, 280ms minimum reset timeout, push-pull RST drive capability referenced to VCC1, low 15µA typical supply current at 3.6V, and operation across –40°C to +125°C.
Technical Context
This device implements independent dual-voltage comparators with factory-trimmed thresholds for VCC1 (4.625V ±125mV) and VCC2 (3.075V ±75mV), each feeding a shared reset timeout timer. Reset assertion occurs on any monitored rail falling below its threshold, and deassertion requires all rails to exceed thresholds plus completion of the 280ms timeout period.
The MAX6715AUTSVD3+T integrates a manual-reset input (MR) with internal 50kΩ pullup to VCC1, supports CMOS-level MR triggering, and features immunity to sub-20µs VCC transients. Its push-pull RST output drives high to 0.8×VCC1 at 150µA and sinks 1.2mA at ≤0.3V when asserted.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Threshold | 4.625V (factory-trimmed, ±125mV tolerance); ensures precise 4.5–4.75V brownout detection for 5V logic rails |
| VCC2 Threshold | 3.075V (factory-trimmed, ±75mV tolerance); enables accurate monitoring of 3.3V I/O or auxiliary supplies |
| Reset Timeout | 280ms (min); provides sufficient hold time for full system initialization after power recovery |
| Supply Current | 15µA typ at 3.6V; minimizes quiescent load in battery-backed or always-on subsystems |
| Operating Temp | –40°C to +125°C; qualified for under-hood automotive, industrial control, and telecom base station use |
| Reset Validity | Guaranteed down to VCC1 or VCC2 = 0.8V; ensures deterministic reset behavior during deep brownout |
| RST Output Type | Push-pull active-low; eliminates need for external pullup and delivers robust drive into heavy capacitive loads |
Pinout & Package
SOT23-5 package (package code U5+1), 5-pin surface-mount, 1.6mm × 2.9mm footprint, 1.1mm height, JEDEC MS-012AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - RST/RST1 | Active-low reset output | Push-pull driver referenced to VCC1; asserts low on VCC1/VCC2 undervoltage, MR low, or watchdog timeout |
| 2 - GND | Ground reference | Common return for all internal comparators, timers, and output drivers; must be low-impedance |
| 3 - MR | Manual-reset input | Active-low CMOS input with internal 50kΩ pullup to VCC1; resets system on logic-low pulse ≥1µs |
| 4 - VCC2 | Secondary supply input | Powers internal VCC2 comparator and sets RST2 reference; monitors 0.9–3.3V rails with 3.075V threshold |
| 5 - VCC1 | Primary supply input | Powers core logic and sets RST/RST1 reference; monitors 1.8–5.0V rails with 4.625V threshold |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneous VCC1 (4.625V) and VCC2 (3.075V) supervision with separate comparators and shared timeout |
| Push-pull RST output | Eliminates external pullup resistor; drives high to 0.8×VCC1 and sinks 1.2mA while asserted |
| 280ms reset timeout | Ensures stable processor boot before release; prevents premature execution during marginal power recovery |
| Low 15µA supply current | Reduces standby power in always-on monitoring circuits; enables >10-year battery life in coin-cell applications |
| –40°C to +125°C operation | Validated for extended temperature environments without derating; no thermal shutdown or parameter drift |
Applications
| Telecom Power Management | Industrial PLC I/O Modules |
|---|---|
|
Use Scenario: Monitoring primary 5V DC-DC output and secondary 3.3V FPGA I/O rail in LTE baseband unit. IC Role / Device Role / Timing Role: Dual-rail supervisor asserting reset if either rail drops below spec during hot-swap or transient overload. Use Value: Prevents FPGA configuration corruption and communication lockup by enforcing 280ms minimum reset hold time after recovery. |
Use Scenario: Ensuring deterministic startup of ARM Cortex-M7 controller and isolated analog I/O in DIN-rail mounted PLC. IC Role / Device Role / Timing Role: Primary VCC1 (4.625V) monitors 5V logic supply; VCC2 (3.075V) monitors 3.3V sensor interface rail. Use Value: Guarantees reset remains valid down to 0.8V on either rail-critical during brownout conditions common in factory floor power grids. |
| Automotive Infotainment Head Unit | Network Switch Power Sequencing |
|
Use Scenario: Supervising 5V main MCU supply and 3.3V display interface supply in AEC-Q100-compliant infotainment module. IC Role / Device Role / Timing Role: Push-pull RST output directly drives reset pin of automotive-grade SoC without external components. Use Value: Eliminates BOM cost and board space for pullup resistor while maintaining noise-immune reset signaling over long PCB traces. |
Use Scenario: Coordinating power-up sequence of 12V-to-5V and 5V-to-3.3V regulators in managed Ethernet switch. IC Role / Device Role / Timing Role: Uses MR input to delay reset assertion until both regulators stabilize, then releases reset after 280ms timeout. Use Value: Enables precise timing-controlled release of downstream logic, preventing race conditions during multi-rail power-up. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-supply supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6716AUTSVD3+T | Same pinout and package, but open-drain RST output requiring external pullup resistor | Requires additional 4.7kΩ pullup; less suitable for high-capacitance reset lines or noise-sensitive environments | Select when board layout already includes pullup or when level-shifting reset to different voltage domain is needed |
| TPS3808G33DBVR | Single-supply monitor (3.3V threshold only); no VCC2 input or dual-rail capability | Lacks secondary rail monitoring; cannot replace MAX6715AUTSVD3+T in dual-voltage systems without redesign | Use only for single-rail applications where VCC2 monitoring is unnecessary and 3.3V threshold suffices |
Compared with MAX6716AUTSVD3+T, the MAX6715AUTSVD3+T eliminates external component count via push-pull RST; compared with TPS3808G33DBVR, it provides essential dual-rail supervision required for modern multivoltage SoC platforms.
Availability
MAX6715AUTSVD3+T is available at Aetrix Electronics and suitable for telecom power management, industrial PLC I/O modules, and automotive infotainment head units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX6715AUTSVD3+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 ultra-low-voltage dual/triple supervisory circuits optimized for multivoltage embedded systems where reliability, small size, and extended temperature operation are critical.
FAQ
What is the exact reset threshold voltage for VCC1 on the MAX6715AUTSVD3+T?
The MAX6715AUTSVD3+T has a factory-trimmed VCC1 reset threshold of 4.625V, with a guaranteed range of 4.500V to 4.750V at 25°C. This value is fixed per the "D3" suffix in the part number and applies across the full –40°C to +125°C operating temperature range with ±20ppm/°C tempco.
Does the MAX6715AUTSVD3+T support monitoring a third voltage rail?
No, the MAX6715AUTSVD3+T is a dual-supply supervisor and does not include the RSTIN input required for adjustable third-rail monitoring. That functionality is available only on variants such as MAX6719A/MAX6720A. The MAX6715AUTSVD3+T monitors only VCC1 and VCC2 with fixed thresholds.
What is the function of Pin 3 (MR) on the MAX6715AUTSVD3+T?
Pin 3 is the active-low Manual-Reset (MR) input. It features an internal 50kΩ pullup to VCC1 and asserts the RST output when pulled low for ≥1µs. The reset remains active for the full 280ms timeout period after MR returns high, enabling hardware-initiated system recovery without software intervention.
Can the MAX6715AUTSVD3+T operate with VCC1 = 1.8V?
No. The MAX6715AUTSVD3+T's VCC1 threshold is 4.625V; applying only 1.8V to VCC1 violates the minimum operating voltage specification. The device requires VCC1 ≥ 0.8V to maintain valid reset output, but functional supervision of a 1.8V rail would require a different variant (e.g., MAX6720AUTSVD3+T with 1.665V VCC1 threshold).
What is the maximum sink current capability of the RST output on the MAX6715AUTSVD3+T?
The push-pull RST output on the MAX6715AUTSVD3+T can sink up to 1.2mA while maintaining VOL ≤ 0.3V, provided VCC1 ≥ 2.7V. At VCC1 ≥ 4.5V, it sustains 3.2mA sink with VOL ≤ 0.4V. This drive strength supports direct connection to most microprocessor reset inputs without buffering.
MAX6715AUTSVD3+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:
- 1.575V, 2.925V
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-6
MAX6715AUTSVD3+T FAQ
1.How can I place an order for MAX6715AUTSVD3+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6715AUTSVD3+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 MAX6715AUTSVD3+T reliable?
The price and inventory of MAX6715AUTSVD3+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6715AUTSVD3+T is usually 5 days.
3.What payment methods are accepted for MAX6715AUTSVD3+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6715AUTSVD3+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6715AUTSVD3+T?
MAX6715AUTSVD3+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6715AUTSVD3+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 MAX6715AUTSVD3+T?
For technical support, including MAX6715AUTSVD3+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6715AUTSVD3+T requirements.
6.How does Aetrix verify that MAX6715AUTSVD3+T is sourced from the original manufacturer or authorized distributors?
All MAX6715AUTSVD3+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 MAX6715AUTSVD3+T meets industry standards.
7.What is the process for return or replacement of MAX6715AUTSVD3+T?
All MAX6715AUTSVD3+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6715AUTSVD3+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 MAX6715AUTSVD3+T part is unused and in its original packaging.
Return procedure for MAX6715AUTSVD3+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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