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Analog Devices Inc./Maxim Integrated MAX6716UTRVD3
- Part No.:
- MAX6716UTRVD3
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6716UTRVD3.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:2,500
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Product details
Overview
The MAX6716UTRVD3 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 reliable brownout detection.
For engineers reviewing the MAX6716UTRVD3 datasheet, MAX6716UTRVD3 pinout, MAX6716UTRVD3 application, or MAX6716UTRVD3 equivalent, key selection factors include dual-supply threshold accuracy (±1.5% over temperature), ultra-low 14µA supply current at 3.6V, immunity to sub-20µs VCC transients, and integrated manual-reset input with 50kΩ internal pullup.
Technical Context
This device implements two 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 MAX6716UTRVD3 includes a manual-reset input (MR) with 200ns MR-to-RST delay and 1µs minimum pulse width support, plus glitch rejection of 100ns. Its architecture excludes watchdog, RSTIN, PFI/PFO, or RST2 functions - confirmed by suffix "D3" (210ms timeout) and absence of WDI/RSTIN/PFI pins in its 6-pin SOT23 configuration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Threshold | 4.625V (factory-trimmed, ±1.5% over -40°C to +125°C) - sets primary supply fault detection point for 5V/4.8V rails |
| VCC2 Threshold | 3.075V (factory-trimmed, ±1.5% over -40°C to +125°C) - enables precise monitoring of 3.3V I/O supply |
| Reset Timeout | 210ms (minimum) - ensures µP completes boot sequence before releasing reset |
| Supply Current | 14µA typical at 3.6V - minimizes quiescent load on battery-backed or low-power systems |
| Operating Temp | -40°C to +125°C - qualified for under-hood automotive, industrial control, and telecom base station use |
| Reset Output | Push-pull, active-low RST - eliminates need for external pullup and drives directly into µP reset pin |
| VCC Immunity | Valid reset assertion down to VCC1 or VCC2 = 0.8V - supports graceful shutdown during severe undervoltage |
Pinout & Package
Package: 6-pin SOT23, 1.6mm × 2.9mm × 1.1mm body, lead-free/RoHS-compliant.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RST / RST1 | Active-low push-pull reset output referenced to VCC1; asserts low on VCC1/VCC2 fault or MR activation |
| 2 | GND | Ground reference for all internal comparators, timer, and output driver |
| 3 | MR | Active-low manual-reset input with 50kΩ internal pullup to VCC1; forces reset when pulled ≤0.3×VCC1 |
| 4 | VCC2 | Secondary supply input (3.075V threshold monitor); powers internal circuitry when VCC2 > VCC1 |
| 5 | VCC1 | Primary supply input (4.625V threshold monitor); powers device when VCC1 > VCC2 and references RST output |
| 6 | NC | No connect - unused pin per MAX6716A pinout; must be left floating or tied to GND |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneous VCC1 (4.625V) and VCC2 (3.075V) supervision with separate comparators and hysteresis |
| Guaranteed reset validity at low VCC | Outputs remain functional and correctly asserted even when VCC1 or VCC2 drops to 0.8V |
| Ultra-low quiescent current | 14µA typical at 3.6V enables >10-year battery life in always-on monitoring applications |
| Transient-immune reset generation | Immune to VCC glitches <20µs duration, preventing spurious resets during switching noise events |
| Integrated manual-reset interface | MR pin with internal 50kΩ pullup eliminates external components and supports direct switch connection |
Applications
| Telecom Power Sequencing | Industrial PLC Controllers |
|---|---|
|
Use Scenario: Monitoring 48V DC-DC converter output (VCC1) and isolated 3.3V I/O rail (VCC2) in remote radio units. IC Role / Device Role / Timing Role: Dual-supply supervisor asserting reset if either rail falls below threshold during hot-swap or load transient. Use Value: Prevents firmware corruption by holding µP in reset until both supplies stabilize post-power-up or recovery. |
Use Scenario: Supervising main 24V DC input and 5V logic supply in programmable logic controller backplane. IC Role / Device Role / Timing Role: Fault detector triggering safe shutdown sequence when VCC1 or VCC2 drops during ESD event or wiring fault. Use Value: Enables deterministic fail-safe behavior with 210ms timeout aligned to PLC watchdog window. |
| Automotive Infotainment | Medical Diagnostic Equipment |
|
Use Scenario: Validating 5V system rail and 3.3V processor core supply in head-unit MCU subsystem. IC Role / Device Role / Timing Role: Brownout protector ensuring µP only exits reset after both supplies meet stability criteria. Use Value: Eliminates boot failures caused by marginal 3.3V rail due to high-temp derating in enclosed enclosures. |
Use Scenario: Monitoring backup battery (VCC1) and main SMPS output (VCC2) in portable ultrasound imaging unit. IC Role / Device Role / Timing Role: Critical power integrity enforcer that initiates controlled data save before shutdown on supply collapse. Use Value: 0.8V valid-reset floor allows full utilization of battery discharge curve down to 2.8V pack voltage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-voltage supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6326UR29D3-T | Single-supply (2.93V threshold), same 6-pin SOT23, 210ms timeout, but no VCC2 monitoring | Only suitable where secondary supply supervision is unnecessary | Select when cost reduction outweighs need for dual-rail monitoring |
| TPS3808G33DBVR | Single-supply (3.3V threshold), 200ms timeout, 1.8–6V VDD range, but lacks VCC2 input and MR pullup | Requires external pullup on MR and cannot supervise two independent rails | Choose for TI-based designs where ecosystem compatibility is prioritized over dual-threshold capability |
Compared with MAX6716UTRVD3, MAX6326UR29D3-T reduces functionality by removing VCC2 supervision, while TPS3808G33DBVR requires external components to match basic MR functionality and offers no secondary supply monitoring - making MAX6716UTRVD3 uniquely suited for space-constrained dual-rail systems requiring guaranteed 0.8V operation.
Availability
MAX6716UTRVD3 is available at Aetrix Electronics and suitable for telecom infrastructure, industrial automation, and automotive electronics requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX6716UTRVD3 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, multi-rail supervision in miniature SOT23 packages for systems where board space, power efficiency, and wide-temperature reliability are critical.
FAQ
What is the exact reset threshold voltage for VCC1 and VCC2 on the MAX6716UTRVD3?
The MAX6716UTRVD3 has factory-trimmed VCC1 reset threshold of 4.625V (±1.5%) and VCC2 threshold of 3.075V (±1.5%), as defined by the "T" and "S" suffixes in its ordering code. These values are guaranteed over the full -40°C to +125°C operating range and do not require external resistor networks - the MAX6716UTRVD3 implements fixed dual-threshold supervision without adjustment components.
Does the MAX6716UTRVD3 include a watchdog timer function?
No, the MAX6716UTRVD3 does not include a watchdog timer. Its suffix "D3" and pinout (6-pin SOT23 with no WDI pin) confirm it belongs to the non-watchdog variant group within the MAX6715A–MAX6729A family. Watchdog capability is only present in parts with "W" or "WD" in their suffix (e.g., MAX6721A), which require additional pins not allocated in the MAX6716UTRVD3 package.
Can the MAX6716UTRVD3 monitor a third voltage using the RSTIN pin?
No, the MAX6716UTRVD3 does not support RSTIN functionality. It is a dual-supply-only variant with no RSTIN pin assigned - the 6-pin SOT23 configuration uses pins 1–5 for RST, GND, MR, VCC2, and VCC1, leaving pin 6 as NC. RSTIN capability is exclusive to MAX6719A/MAX6720A and higher variants with 8-pin packages and dedicated RSTIN terminals.
What is the reset output type and drive strength of the MAX6716UTRVD3?
The MAX6716UTRVD3 features a push-pull, active-low RST output referenced to VCC1, capable of sinking 3.2mA at VCC1 = 4.5V (VOL ≤ 0.4V) and sourcing 800µA (VOH ≥ 0.8×VCC1). This eliminates the need for an external pullup resistor and provides direct interface to µP reset inputs without level-shifting or signal conditioning - a key differentiator from open-drain alternatives like the MAX6715A.
Is the MAX6716UTRVD3 compatible with 1.8V logic systems?
The MAX6716UTRVD3 is not designed for 1.8V-only operation: its VCC1 and VCC2 thresholds (4.625V and 3.075V) require minimum supply voltages of 0.8V, but optimal comparator accuracy and RST drive strength are specified for VCC1 ≥ 1.8V and VCC2 ≥ 1.0V. For true 1.8V-system supervision, consider MAX6717A variants with lower thresholds - the MAX6716UTRVD3 targets 3.3V/5V dual-rail systems.
MAX6716UTRVD3 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:
- 1.575V, 2.625V
- 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
MAX6716UTRVD3 FAQ
1.How can I place an order for MAX6716UTRVD3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6716UTRVD3 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 MAX6716UTRVD3 reliable?
The price and inventory of MAX6716UTRVD3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6716UTRVD3 is usually 5 days.
3.What payment methods are accepted for MAX6716UTRVD3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6716UTRVD3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6716UTRVD3?
MAX6716UTRVD3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6716UTRVD3 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 MAX6716UTRVD3?
For technical support, including MAX6716UTRVD3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6716UTRVD3 requirements.
6.How does Aetrix verify that MAX6716UTRVD3 is sourced from the original manufacturer or authorized distributors?
All MAX6716UTRVD3 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 MAX6716UTRVD3 meets industry standards.
7.What is the process for return or replacement of MAX6716UTRVD3?
All MAX6716UTRVD3 units undergo pre-shipment inspection (PSI). If there is an issue with MAX6716UTRVD3, 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 MAX6716UTRVD3 part is unused and in its original packaging.
Return procedure for MAX6716UTRVD3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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