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Analog Devices Inc./Maxim Integrated MAX6360SYUT+T
- Part No.:
- MAX6360SYUT+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6360SYUT+T.pdf
- Description:
- IC SUPERVISOR MPU SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:4,740
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Product details
Overview
MAX6360SYUT+T from Maxim Integrated is a dual-voltage microprocessor supervisory circuit with active-low push-pull reset referenced to VCC2, factory-set VCC1 threshold of 2.93V and VCC2 threshold of 2.19V, 20µA supply current, and integrated watchdog timer featuring 46.4s startup and 2.9s normal timeout periods-designed for reliable power monitoring in multivoltage embedded systems.
For engineers reviewing the MAX6360SYUT+T datasheet, MAX6360SYUT+T pinout, MAX6360SYUT+T application, or MAX6360SYUT+T equivalent, key selection criteria include dual-supply reset assertion logic, guaranteed RESET validity down to VCC1 = 1V or VCC2 = 1V, watchdog input timing behavior, and SOT23-6 package compatibility with space-constrained PCB layouts.
Technical Context
The MAX6360SYUT+T implements independent voltage comparators for VCC1 and VCC2, asserting reset whenever either supply drops below its precision factory-trimmed threshold (2.93V/2.19V). Its watchdog timer operates in two distinct modes: a 46.4s startup timeout after power-on or manual reset, followed by a 2.9s normal timeout requiring periodic WDI transitions.
Reset outputs are push-pull and referenced exclusively to VCC2, ensuring rail-to-rail logic levels compatible with downstream VCC2-synchronous logic. The device guarantees functional operation over -40°C to +85°C and maintains valid reset state as long as either VCC1 ≥ 1.0V or VCC2 ≥ 1.0V-enabling robust brownout detection during supply sequencing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Threshold | 2.93V ±0.05V at +25°C; precise trip point for primary supply monitoring |
| VCC2 Threshold | 2.19V ±0.03V at +25°C; accurate secondary supply fault detection |
| Supply Current | 20µA typical; ultra-low quiescent power for battery-backed or energy-sensitive systems |
| Reset Timeout | 100ms minimum pulse width; ensures sufficient duration for μP initialization |
| Watchdog Startup | 46.4s timeout; accommodates extended boot sequences before watchdog enforcement begins |
| Watchdog Normal | 2.9s timeout; rapid response to processor lockup or software hang |
| Operating Temp | -40°C to +85°C; qualified for industrial and automotive-adjacent environments |
| Package | SOT23-6; compact surface-mount footprint with standardized land pattern (90-0175) |
Pinout & Package
MAX6360SYUT+T is housed in a 6-pin SOT23 package (outline 21-0058, land pattern 90-0175), with pin 1 designated as RST2 (active-low push-pull reset referenced to VCC2), pin 2 as GND, pin 3 as MR (debounced manual-reset input), pin 4 as VCC2, pin 5 as WDI (watchdog input), and pin 6 as VCC1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (RST2) | Active-low push-pull reset output | Referenced to VCC2; drives low during fault conditions without external pull-up |
| 2 (GND) | Ground reference | Common return path for all internal circuitry and monitored supplies |
| 3 (MR) | Manual-reset input | Debounced TTL/CMOS-compatible input; forces reset when pulled low |
| 4 (VCC2) | Secondary supply input | Powers device when above VCC1; monitored at 2.19V threshold |
| 5 (WDI) | Watchdog timer input | Edge-triggered input; reset issued if no transition occurs within 2.9s (normal mode) |
| 6 (VCC1) | Primary supply input | Powers device when above VCC2; monitored at 2.93V threshold |
Key Features
| Feature | Design Value |
|---|---|
| Dual-voltage monitoring | Independent 2.93V/2.19V thresholds enable simultaneous validation of two critical rails |
| Push-pull RST2 output | VCC2-referenced drive eliminates need for external pull-up resistor in most applications |
| Two-mode watchdog timer | 46.4s startup + 2.9s normal timeout prevents false resets during boot while ensuring fast lockup detection |
| Low-power operation | 20µA supply current supports always-on supervision in battery-powered equipment |
| Extended temperature range | Guaranteed functionality from -40°C to +85°C meets industrial system requirements |
| Supply transient immunity | Designed to ignore short negative-going VCC transients per published characterization curves |
Applications
| Computers | Controllers |
|---|---|
Use Scenario: Monitoring core and I/O supply rails in embedded PCs and single-board computers. IC Role / Device Role / Timing Role: Dual-voltage supervisor asserting reset when either VCC1 (2.93V) or VCC2 (2.19V) falls out of spec. Use Value: Prevents erratic CPU behavior by guaranteeing clean reset initiation during supply faults. | Use Scenario: Ensuring deterministic startup and runtime integrity in programmable logic controllers (PLCs). IC Role / Device Role / Timing Role: Watchdog-enforced supervision with 46.4s initial window for firmware load and 2.9s runtime monitoring. Use Value: Eliminates undetected processor hangs that could compromise control loop safety. |
| Portable/Battery-Powered Equipment | Multivoltage Systems |
Use Scenario: Power management in handheld medical devices with dual Li-ion and regulated auxiliary rails. IC Role / Device Role / Timing Role: Low-current (20µA) supervisor maintaining reset validity down to VCC1 = 1.0V or VCC2 = 1.0V. Use Value: Extends usable battery life while preserving safe shutdown capability during deep discharge. | Use Scenario: Voltage sequencing and fault detection in FPGA-based systems with multiple domain supplies. IC Role / Device Role / Timing Role: Independent monitoring of 2.93V and 2.19V rails with push-pull RST2 referenced to the lower rail. Use Value: Enables rail-specific reset assertion without level-shifting circuitry or additional components. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-voltage supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6359SYUT+T | Same thresholds (2.93V/2.19V) but RST output referenced to VCC1 instead of VCC2 | Requires VCC1-synchronous reset load; incompatible where reset must track VCC2 logic levels | Select when reset signal must interface with VCC1-domain peripherals |
| TPS3808G33DBVR | Single-supply supervisor (3.3V threshold only); no dual-threshold or watchdog timer | Lacks dual-voltage monitoring and watchdog functionality; suitable only for single-rail systems | Choose only if system uses one monitored rail and does not require watchdog protection |
Compared with MAX6359SYUT+T, MAX6360SYUT+T provides VCC2-referenced reset essential for interfacing with lower-voltage logic domains; versus TPS3808G33DBVR, it delivers full dual-rail supervision and watchdog capability absent in the TI part.
Availability
MAX6360SYUT+T is available at Aetrix Electronics and suitable for computers, controllers, portable/battery-powered equipment, and multivoltage systems requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MAX6360SYUT+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 high-performance analog and mixed-signal ICs for industrial, communications, and computing applications.
The MAX6351–MAX6360 family delivers precision dual- and triple-voltage supervision with integrated watchdog timers, targeting reliability-critical embedded systems where supply sequencing and processor health monitoring are essential.
FAQ
What is the function of the WDI pin on the MAX6360SYUT+T?
The WDI (Watchdog Input) pin on the MAX6360SYUT+T monitors microprocessor activity via edge transitions. If no rising or falling edge occurs within 2.9 seconds during normal operation-or within 46.4 seconds after power-up or manual reset-the device asserts RST2. This ensures recovery from software hangs. The MAX6360SYUT+T requires no external components to enable this watchdog function, and WDI may be left unconnected to disable it.
How does the MAX6360SYUT+T handle supply voltage transients?
The MAX6360SYUT+T incorporates built-in immunity to short negative-going transients on VCC1 and VCC2, as characterized in the "Maximum VCC Transient Duration vs. Reset Threshold Overdrive" graph. It ignores transients shorter than ~100ns at typical overdrive levels, preventing spurious resets during switching noise or load-step events. This behavior is guaranteed across the full -40°C to +85°C operating range and does not require external filtering components.
What is the valid operating voltage range for VCC1 and VCC2 on the MAX6360SYUT+T?
VCC1 and VCC2 on the MAX6360SYUT+T operate from +1.2V to +5.5V over the full temperature range (-40°C to +85°C), with reset outputs guaranteed valid as long as either supply remains ≥ +1.0V. The device's internal comparators are trimmed to detect drops below the factory-set thresholds of 2.93V (VCC1) and 2.19V (VCC2), and supply current remains stable at 20µA typical across this range.
Can the MAX6360SYUT+T monitor three voltage rails?
No, the MAX6360SYUT+T monitors exactly two voltage rails: VCC1 and VCC2. It does not include the RSTIN input found on MAX6355/MAX6356/MAX6357 variants, which enables third-rail monitoring via an external resistive divider. For triple-voltage supervision, engineers should select MAX6356SYUT+T (VCC1/VCC2/RSTIN) or MAX6357SYUT+T, both of which share identical threshold values but add the adjustable third-input capability.
What is the reset output configuration of the MAX6360SYUT+T?
The MAX6360SYUT+T features a single active-low push-pull reset output labeled RST2 on pin 1, which is referenced to VCC2-not VCC1 or ground. This means the output swings fully between GND and VCC2, eliminating the need for an external pull-up resistor. Unlike open-drain variants (e.g., MAX6352), the MAX6360SYUT+T drives high actively, making it compatible with VCC2-synchronous logic families without level translation.
MAX6360SYUT+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:
- 2.19V, 2.93V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active Low
- Reset Timeout:
- 100ms Minimum
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-6
MAX6360SYUT+T FAQ
1.How can I place an order for MAX6360SYUT+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6360SYUT+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 MAX6360SYUT+T reliable?
The price and inventory of MAX6360SYUT+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6360SYUT+T is usually 5 days.
3.What payment methods are accepted for MAX6360SYUT+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6360SYUT+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6360SYUT+T?
MAX6360SYUT+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6360SYUT+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 MAX6360SYUT+T?
For technical support, including MAX6360SYUT+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6360SYUT+T requirements.
6.How does Aetrix verify that MAX6360SYUT+T is sourced from the original manufacturer or authorized distributors?
All MAX6360SYUT+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 MAX6360SYUT+T meets industry standards.
7.What is the process for return or replacement of MAX6360SYUT+T?
All MAX6360SYUT+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6360SYUT+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 MAX6360SYUT+T part is unused and in its original packaging.
Return procedure for MAX6360SYUT+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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