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Analog Devices Inc./Maxim Integrated MAX6717UKSVD3+T
- Part No.:
- MAX6717UKSVD3+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- -
- Datasheet:
-
MAX6717UKSVD3+T.pdf
- Description:
- IC SUPERVISOR MPU SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,996
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Product details
Overview
MAX6717UKSVD3+T from Maxim Integrated is a dual-voltage microprocessor supervisory circuit in 5-pin SOT23 package, monitoring VCC1 (4.625V threshold) and VCC2 (3.075V threshold) with 210ms minimum reset timeout, push-pull active-low RST output, manual reset input, and guaranteed reset validity down to VCC1 or VCC2 = 0.8V - used in multivoltage embedded power sequencing for telecom and industrial equipment.
For engineers reviewing the MAX6717UKSVD3+T datasheet, MAX6717UKSVD3+T pinout, MAX6717UKSVD3+T application, or MAX6717UKSVD3+T equivalent, this page delivers verified electrical specs, exact pin functions, real-world use cases in battery-operated and server systems, and two validated alternative parts with documented functional and timing differences.
Technical Context
The MAX6717UKSVD3+T implements dual independent voltage monitoring with factory-trimmed thresholds (VTH1 = 4.625V, VTH2 = 3.075V), a fixed 210ms minimum reset timeout, and push-pull RST output referenced to VCC1. It guarantees correct reset logic state when either supply remains ≥ 0.8V, enabling robust brownout detection in low-voltage systems.
No watchdog, no RSTIN/PFI inputs - confirmed by Selector Guide and Pin Configuration tables. The device uses BiCMOS process (1072 transistors), draws 14µA typical supply current at 3.6V, and operates across –40°C to +85°C with ±0.5% reset threshold hysteresis and 20ppm/°C tempco.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Threshold | 4.625V (factory-trimmed falling threshold; ensures reliable reset assertion during 5V rail collapse) |
| VCC2 Threshold | 3.075V (factory-trimmed falling threshold; matches common 3.3V I/O supply tolerance band) |
| Reset Timeout | 210ms min (guaranteed minimum delay after all supplies recover; prevents premature µP release) |
| Supply Current | 14µA typ at 3.6V (enables >10-year battery life in always-on monitoring applications) |
| Operating Temp | –40°C to +85°C (supports industrial-grade deployment without derating) |
| Reset Output | Push-pull active-low RST (drives directly into µP reset pin without external pullup; VOH ≥ 0.8×VCC1) |
| Reset Validity | Down to VCC1 or VCC2 = 0.8V (ensures deterministic reset behavior during deep brownout) |
Pinout & Package
MAX6717UKSVD3+T is housed in a 5-pin SOT23-5 package (2.9mm × 1.6mm × 1.1mm), surface-mount, lead-free (+T suffix), RoHS-compliant.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RST | Active-low push-pull reset output; asserts low on VCC1/VCC2 undervoltage and holds for 210ms min after recovery |
| 2 | GND | Ground reference for all internal comparators, reset timer, and output driver |
| 3 | MR | Active-low manual reset input; internal 50kΩ pullup to VCC1; 1µs minimum pulse width required |
| 4 | VCC2 | Secondary supply input (monitored at 3.075V); powers internal circuitry when VCC2 > VCC1 |
| 5 | VCC1 | Primary supply input (monitored at 4.625V); powers device when VCC1 > VCC2; defines RST VOH level |
Key Features
| Feature | Design Value |
|---|---|
| Dual factory-trimmed voltage monitoring | Enables precise, zero-calibration supervision of 5V/3.3V rails without external resistors or trimming |
| 210ms minimum reset timeout | Ensures µP completes full initialization before release, eliminating race conditions in boot firmware |
| Push-pull RST output | Eliminates need for external pullup resistor; reduces BOM count and PCB area in space-constrained designs |
| Reset validity down to 0.8V | Guarantees clean reset assertion even during severe brownout events where VCC drops below 1V |
| 14µA typical supply current | Supports ultra-low-power operation in battery-backed systems such as smart meters and IoT edge nodes |
Applications
| Telecom Power Sequencing | Industrial PLC I/O Modules |
|---|---|
Use Scenario: Dual-rail power-up sequencing in 48V DC-fed telecom line cards with 5V core and 3.3V interface supplies. IC Role / Device Role / Timing Role: Supervises VCC1 (5V) and VCC2 (3.3V) simultaneously; asserts RST until both rails stabilize above thresholds and hold for 210ms. Use Value: Prevents FPGA configuration failure and communication IC lockup caused by out-of-spec power ramp rates. |
Use Scenario: Reliable reset generation in DIN-rail mounted PLC modules exposed to wide ambient temperature swings and EMI. IC Role / Device Role / Timing Role: Provides deterministic reset under brownout conditions where VCC1 dips to 0.9V during motor switching transients. Use Value: Eliminates spurious reboots and maintains deterministic state machine execution in safety-critical control loops. |
| Portable Medical Devices | Server Management Controllers |
Use Scenario: Battery-powered handheld diagnostic tools requiring long shelf life and cold-start reliability. IC Role / Device Role / Timing Role: Monitors main Li-ion rail (VCC1 = 4.625V trip) and 3.3V MCU supply (VCC2 = 3.075V trip); MR enables user-initiated self-test reset. Use Value: Enables >5-year battery shelf life via 14µA quiescent current while guaranteeing valid reset down to 0.8V during end-of-life discharge. |
Use Scenario: BMC (Baseboard Management Controller) power-on reset coordination in 1U rack servers with distributed 5V/3.3V domains. IC Role / Device Role / Timing Role: Generates synchronized reset pulse only after both primary and auxiliary rails meet spec and remain stable for 210ms. Use Value: Prevents BMC firmware corruption during AC power cycling and improves system uptime in datacenter environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-voltage supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6717UKSVD2+T | 140ms min reset timeout (vs. 210ms); identical pinout, thresholds, and features | Shorter timeout may cause premature µP release in systems with slow clock startup or PLL lock times | Select when faster reset release is acceptable and timing margin allows 140ms recovery window |
| TPS3808G33DBVR | Single-supply monitor (3.3V only); open-drain RST; 200ms timeout; requires external pullup | Lacks dual-rail capability - cannot replace MAX6717UKSVD3+T without redesigning power monitoring architecture | Use only in single-rail systems where VCC1 = VCC2 = 3.3V and board layout permits pullup resistor addition |
Compared with MAX6717UKSVD3+T, the MAX6717UKSVD2+T offers identical functionality with reduced timeout, while TPS3808G33DBVR provides lower-cost single-rail supervision but requires hardware changes and loses dual-threshold capability.
Availability
MAX6717UKSVD3+T is available at Aetrix Electronics and suitable for telecom infrastructure, industrial PLCs, and portable medical devices requiring stable component supply, long-lifecycle support, and guaranteed factory-trimmed voltage thresholds.
Supply support for MAX6717UKSVD3+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 power management, sensing, and interface applications in industrial, automotive, and communications markets.
The MAX6715–MAX6729 family delivers ultra-low-voltage, dual/triple-supply supervisory circuits optimized for space-constrained, multirail embedded systems requiring guaranteed reset behavior down to 0.8V.
FAQ
What is the exact reset threshold voltage for VCC1 on MAX6717UKSVD3+T?
The MAX6717UKSVD3+T has a factory-trimmed VCC1 reset threshold of 4.625V (falling), per the "S" suffix in the Reset Voltage Threshold Suffix Guide and confirmed in the Electrical Characteristics table. This value is guaranteed over temperature (–40°C to +85°C) with ±0.5% hysteresis and 20ppm/°C tempco. The MAX6717UKSVD3+T does not require external resistor networks to set this threshold.
Does MAX6717UKSVD3+T support watchdog functionality?
No, the MAX6717UKSVD3+T does not include a watchdog input (WDI). According to the Selector Guide and Pin Description tables, only MAX6721–MAX6729 variants feature WDI. The MAX6717UKSVD3+T is a dual-voltage supervisor with manual reset (MR) and push-pull RST output - no watchdog timer, RSTIN, or PFI/PFO pins are present.
What is the function of Pin 3 (MR) on MAX6717UKSVD3+T?
Pin 3 is the active-low Manual Reset input (MR) with an internal 50kΩ pullup resistor to VCC1. Driving MR low forces an immediate reset assertion on RST, which remains low for the full 210ms timeout period after MR returns high. The MAX6717UKSVD3+T specifies a 1µs minimum MR pulse width and 100ns glitch rejection, making it compatible with pushbutton switches and digital logic without external debounce.
Can MAX6717UKSVD3+T monitor a third voltage like 1.8V or 2.5V?
No, the MAX6717UKSVD3+T monitors only two voltages: VCC1 (4.625V threshold) and VCC2 (3.075V threshold). It lacks RSTIN or PFI inputs - confirmed by the Selector Guide (no "√" in RSTIN/PFI columns) and Pin Configuration (only pins 1–5 assigned to RST, GND, MR, VCC2, VCC1). For triple-voltage monitoring, consider MAX6719UKSVD3+T or MAX6723UKSVD3+T instead.
What package type and dimensions does MAX6717UKSVD3+T use?
The MAX6717UKSVD3+T uses a 5-pin SOT23-5 package measuring 2.9mm × 1.6mm × 1.1mm (L × W × H), with gull-wing leads, lead-free finish (+T suffix), and RoHS compliance. This compact footprint supports high-density PCB layouts in space-constrained applications such as portable electronics and modular telecom equipment.
MAX6717UKSVD3+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- *
- Package/Case:
- -
- Packaging:
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- -
- Number of Voltages Monitored:
- -
- Voltage - Threshold:
- -
- Output:
- -
- Reset:
- -
- Reset Timeout:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX6717UKSVD3+T FAQ
1.How can I place an order for MAX6717UKSVD3+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6717UKSVD3+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 MAX6717UKSVD3+T reliable?
The price and inventory of MAX6717UKSVD3+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6717UKSVD3+T is usually 5 days.
3.What payment methods are accepted for MAX6717UKSVD3+T?
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MAX6717UKSVD3+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6717UKSVD3+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 MAX6717UKSVD3+T?
For technical support, including MAX6717UKSVD3+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6717UKSVD3+T requirements.
6.How does Aetrix verify that MAX6717UKSVD3+T is sourced from the original manufacturer or authorized distributors?
All MAX6717UKSVD3+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 MAX6717UKSVD3+T meets industry standards.
7.What is the process for return or replacement of MAX6717UKSVD3+T?
All MAX6717UKSVD3+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6717UKSVD3+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 MAX6717UKSVD3+T part is unused and in its original packaging.
Return procedure for MAX6717UKSVD3+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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