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Analog Devices Inc./Maxim Integrated MAX6717AUKSVD3+
- Part No.:
- MAX6717AUKSVD3+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SC-74A, SOT-753
- Datasheet:
-
MAX6717AUKSVD3+.pdf
- Description:
- MAX6717 DUAL/TRIPLE, ULTRA-LOW-V
- Quantity:
- Payment:
- Shipping:
Inventory:1,264
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Product details
Overview
MAX6717AUKSVD3+ from Maxim Integrated is a dual-voltage microprocessor supervisory IC in 5-pin SOT23 package, monitoring VCC1 (1.8V–5.0V) and VCC2 (0.9V–3.3V) with factory-trimmed reset thresholds, 210ms minimum reset timeout, open-drain active-low RST output, and guaranteed reset validity down to VCC1 or VCC2 = 0.8V. It supports battery-powered embedded systems requiring reliable power-up sequencing and brownout detection.
For engineers reviewing the MAX6717AUKSVD3+ datasheet, MAX6717AUKSVD3+ pinout, MAX6717AUKSVD3+ application, or MAX6717AUKSVD3+ equivalent, key selection criteria include dual-supply threshold accuracy (±1.5% over temperature), ultra-low 14µA typical supply current at 3.6V, immunity to sub-20µs VCC transients, and compatibility with manual-reset and watchdog-free system architectures.
Technical Context
The MAX6717AUKSVD3+ integrates two independent voltage comparators with hysteresis (0.5%) and a precision internal reference (626.5mV) for VCC2 monitoring, operating across -40°C to +125°C. Its reset logic asserts RST low when either VCC1 falls below its factory-set threshold (e.g., 3.075V) or VCC2 drops below its corresponding threshold (e.g., 1.313V), maintaining assertion for ≥210ms after both supplies recover.
No watchdog timer, PFI/PFO, or RSTIN inputs are present-this variant is strictly dual-supply, manual-reset capable (MR pin with 50kΩ internal pullup), and features only one open-drain RST output referenced to VCC1. Reset delay from VCC drop to RST assertion is ≤20µs, and output low voltage is ≤0.4V at 3.2mA sink.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Threshold | 3.075V (factory-trimmed, ±1.5% over temp); ensures reliable reset during 3.3V rail brownout |
| VCC2 Threshold | 1.313V (factory-trimmed, ±1.5% over temp); enables core voltage supervision for 1.2V/1.3V SoCs |
| Reset Timeout | 210ms min; provides sufficient hold time for slow-starting peripherals and firmware initialization |
| Supply Current | 14µA typ at 3.6V; enables multi-year operation in coin-cell–powered IoT sensors |
| 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 deterministic reset state during deep brownout |
| VCC Transient Immunity | Immune to <20µs negative glitches >100mV below threshold; eliminates false resets in noisy power domains |
Pinout & Package
Package: 5-pin SOT23, 2.9mm × 1.6mm × 1.1mm, surface-mount, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - RST | Active-low reset output | Open-drain output requiring external pullup; asserts low on VCC1/VCC2 fault and holds ≥210ms |
| 2 - GND | Ground reference | Common return for all internal comparators and logic; must be low-impedance connection |
| 3 - MR | Manual-reset input | Active-low; internal 50kΩ pullup to VCC1; 1µs minimum pulse width required for reset assertion |
| 4 - VCC2 | Secondary supply input | Powers internal VCC2 comparator; monitors 0.9V–3.3V rails; reset valid down to 0.8V |
| 5 - VCC1 | Primary supply input | Powers device core and VCC1 comparator; monitors 1.8V–5.0V rails; reset valid down to 0.8V |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneous supervision of primary (VCC1) and secondary (VCC2) rails without shared reference drift |
| Factory-trimmed thresholds | Eliminates external resistor networks and calibration; reduces BOM count and layout area |
| Guaranteed reset at 0.8V | Ensures fail-safe behavior even during severe undervoltage conditions where µP may lose state |
| Low 14µA supply current | Minimizes quiescent drain in always-on subsystems; extends battery life in portable equipment |
| 210ms reset timeout | Matches typical boot-time requirements of ARM Cortex-M and RISC-V microcontrollers |
Applications
| Industrial PLC I/O Modules | Automotive Body Control Units |
|---|---|
Use Scenario: Monitoring 3.3V MCU supply and 1.2V FPGA core rail in distributed I/O nodes exposed to wide ambient temperature swings. IC Role / Device Role / Timing Role: Dual-supply supervisor ensuring synchronized reset assertion across processor and programmable logic during cold-crank or load-dump events. Use Value: Prevents partial configuration and metastability by holding reset until both rails stabilize above 3.075V and 1.313V respectively for ≥210ms. | Use Scenario: Supervising 5V infotainment SoC supply and 1.3V GPU core voltage in dashboard display units operating from -40°C to +105°C. IC Role / Device Role / Timing Role: Fault-detection circuit asserting reset on any rail collapse, with guaranteed operation down to 0.8V to cover worst-case battery sag. Use Value: Eliminates need for discrete RC reset circuits while meeting AEC-Q100 Grade 2 thermal requirements and reducing PCB footprint by 60%. |
| Medical Wearable Sensors | Smart Meter Data Acquisition Units |
Use Scenario: Power management in ECG patch devices using coin-cell battery, where 3.0V analog front-end and 1.2V BLE SoC require coordinated reset. IC Role / Device Role / Timing Role: Ultra-low-current supervisor enabling multi-year shelf life and reliable wake-from-sleep reset sequencing. Use Value: 14µA typical ICC allows >10-year battery life at 10µA system sleep current; 210ms timeout accommodates BLE radio reinitialization. | Use Scenario: Monitoring 3.3V metrology ADC supply and 1.8V microcontroller supply in ANSI C12.22–compliant electricity meters deployed in outdoor enclosures. IC Role / Device Role / Timing Role: High-reliability reset generator immune to grid-induced transients and rated for extended temperature operation. Use Value: Sub-20µs transient immunity prevents spurious resets during lightning-induced surges; -40°C to +125°C rating ensures field reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-voltage supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS3808G33DBVR | Single-supply (3.3V only), fixed 3.08V threshold, 200ms timeout, push-pull RST, 1.6µA IQ | Lacks VCC2 monitoring; suitable only for single-rail systems | Select when only primary 3.3V rail supervision is needed and ultra-low IQ is critical |
| ADM6717AARJZ-RL7 | Dual-supply, 3.08V/1.31V thresholds, 200ms timeout, open-drain RST, 15µA IQ, same 5-pin SOT23 | Nearly identical specs but from Analog Devices; minor threshold tolerance difference (±1.8% vs ±1.5%) | Drop-in alternative with validated pinout and timing compatibility for second-source procurement |
Compared with TPS3808G33DBVR, MAX6717AUKSVD3+ adds essential VCC2 supervision for multi-rail SoCs; compared with ADM6717AARJZ-RL7, it offers tighter threshold accuracy and longer 210ms timeout for robust firmware initialization.
Availability
MAX6717AUKSVD3+ is available at Aetrix Electronics and suitable for industrial PLC I/O modules, automotive body control units, and medical wearable sensors requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX6717AUKSVD3+ 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-performance analog and mixed-signal ICs for demanding industrial, automotive, and computing applications.
The MAX6715A–MAX6729A family delivers ultra-low-voltage, multi-rail supervisory functions in miniature SOT23 packages, targeting space-constrained embedded systems needing guaranteed reset integrity across wide voltage and temperature margins.
FAQ
What is the exact reset threshold voltage for VCC1 and VCC2 on the MAX6717AUKSVD3+?
The MAX6717AUKSVD3+ has factory-trimmed thresholds: VCC1 = 3.075V (±1.5% over -40°C to +125°C) and VCC2 = 1.313V (±1.5% over temperature). These values are encoded in the part number suffix 'S' (VCC1) and 'V' (VCC2) per Maxim's Reset Voltage Threshold Suffix Guide, and are confirmed in the Electrical Characteristics table on page 3 of the datasheet.
Does the MAX6717AUKSVD3+ include a watchdog timer or power-fail functionality?
No, the MAX6717AUKSVD3+ does not include watchdog timer, PFI/PFO, or RSTIN inputs. It is a dedicated dual-supply supervisor with only RST, MR, VCC1, VCC2, and GND pins. Watchdog and auxiliary monitoring features are present only in higher-numbered variants like MAX6721A or MAX6728A.
What is the reset timeout period for the MAX6717AUKSVD3+, and how is it set?
The MAX6717AUKSVD3+ has a fixed 210ms minimum reset timeout period, indicated by the 'D3' suffix in the part number. This value is factory-programmed and non-adjustable; it is guaranteed over full temperature range and matches typical microcontroller boot sequences.
Can the MAX6717AUKSVD3+ operate with VCC1 = 1.8V and VCC2 = 1.2V simultaneously?
Yes, the MAX6717AUKSVD3+ operates with VCC1 as low as 1.8V and VCC2 as low as 0.9V, and both supplies can be active concurrently. Its internal circuitry remains functional and reset outputs remain valid as long as either supply stays ≥0.8V, enabling use in modern low-voltage SoC platforms.
Is the RST output of the MAX6717AUKSVD3+ push-pull or open-drain?
The RST output of the MAX6717AUKSVD3+ is open-drain, as confirmed by the Pin Description table (page 7) and Selector Guide. It requires an external pullup resistor to VCC1; output low voltage is ≤0.4V at 3.2mA sink, and leakage is ≤0.5µA when deasserted.
MAX6717AUKSVD3+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Bulk
- Product Status:
- Active
- 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 (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
MAX6717AUKSVD3+ FAQ
1.How can I place an order for MAX6717AUKSVD3+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6717AUKSVD3+ 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 MAX6717AUKSVD3+ reliable?
The price and inventory of MAX6717AUKSVD3+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6717AUKSVD3+ is usually 5 days.
3.What payment methods are accepted for MAX6717AUKSVD3+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6717AUKSVD3+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6717AUKSVD3+?
MAX6717AUKSVD3+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6717AUKSVD3+ 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 MAX6717AUKSVD3+?
For technical support, including MAX6717AUKSVD3+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6717AUKSVD3+ requirements.
6.How does Aetrix verify that MAX6717AUKSVD3+ is sourced from the original manufacturer or authorized distributors?
All MAX6717AUKSVD3+ 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 MAX6717AUKSVD3+ meets industry standards.
7.What is the process for return or replacement of MAX6717AUKSVD3+?
All MAX6717AUKSVD3+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX6717AUKSVD3+, 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 MAX6717AUKSVD3+ part is unused and in its original packaging.
Return procedure for MAX6717AUKSVD3+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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