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Analog Devices Inc./Maxim Integrated MAX6360SYUT
- Part No.:
- MAX6360SYUT
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6360SYUT.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:836
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Product details
Overview
MAX6360SYUT from Maxim Integrated is a dual-voltage microprocessor supervisory circuit with active-low push-pull reset output 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 datasheet, MAX6360SYUT pinout, MAX6360SYUT application, or MAX6360SYUT equivalent, this device supports critical reset coordination across two independent supply rails while maintaining guaranteed RESET validity down to VCC1 ≥ 1.0V or VCC2 ≥ 1.0V-key for brownout resilience in portable and industrial controllers.
Technical Context
The MAX6360SYUT implements dual independent voltage comparators with precision thresholds (2.93V ±0.05V on VCC1, 2.19V ±0.03V on VCC2), hysteresis of ~0.5% of threshold, and temperature coefficient of 20ppm/°C. Its reset generator asserts active-low RST2 when either supply falls below its trip point, with 100ms minimum pulse width and <20µs delay under overdrive conditions.
It integrates a dual-mode watchdog timer: after power-up or reset, it enters 46.4s startup timeout mode before switching to 2.9s normal timeout mode upon first WDI edge detection. The WDI input accepts TTL/CMOS-compatible transitions and draws ≤160µA average current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Threshold | 2.93V ±0.05V at +25°C; ensures reliable reset assertion when primary supply drops below nominal 2.93V rail |
| VCC2 Threshold | 2.19V ±0.03V at +25°C; enables precise monitoring of secondary low-voltage rail (e.g., 2.2V I/O or core) |
| Supply Current | 20µA typical; minimizes quiescent load on battery-backed or energy-constrained systems |
| Reset Pulse Width | 100–280ms; guarantees sufficient duration for μP initialization across full -40°C to +85°C range |
| Watchdog Timeout | 46.4s startup / 2.9s normal; accommodates long boot sequences then enforces rapid fault detection during runtime |
| Operating Temp | -40°C to +85°C; qualified for industrial and extended-temperature embedded applications |
| Package | 6-pin SOT23; surface-mount footprint compatible with high-density PCB layouts and automated assembly |
Pinout & Package
MAX6360SYUT is housed in a 6-pin SOT23 package (package code U6-1, outline 21-0058) with 0.95mm pitch, 2.9mm × 1.6mm body, and exposed pad not connected internally. Pin 1 is RST2 (active-low push-pull output referenced to VCC2), Pin 2 is GND, Pin 3 is MR (debounced manual-reset input), Pin 4 is VCC2, Pin 5 is WDI (watchdog input), and Pin 6 is VCC1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (RST2) | Active-low push-pull reset output | Referenced to VCC2; drives low without external pullup; asserts when VCC1 < 2.93V or VCC2 < 2.19V |
| Pin 2 (GND) | Ground reference | Common return path for both supply monitors and digital inputs; must be low-impedance |
| Pin 3 (MR) | Debounced manual-reset input | Active-low; forces RST2 assertion while held low and for full timeout period after release |
| Pin 4 (VCC2) | Secondary supply input & monitor | Powers internal circuitry when VCC2 > VCC1; monitored at 2.19V threshold |
| Pin 5 (WDI) | Watchdog timer input | Edge-sensitive; clears watchdog on rising/falling transition; timeout triggers RST2 if idle >2.9s (normal mode) |
| Pin 6 (VCC1) | Primary supply input & monitor | Powers internal circuitry when VCC1 > VCC2; monitored at 2.93V threshold |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneous precision tracking of two supplies (2.93V/2.19V) with no external components required |
| Guaranteed RESET validity to 1.0V | RST2 remains functional even if VCC1 or VCC2 drops to 1.0V-critical for graceful shutdown in brownout scenarios |
| Integrated dual-mode watchdog | 46.4s startup timeout prevents false resets during boot; 2.9s runtime timeout detects processor lockups |
| Low-power operation | 20µA supply current enables use in always-on, battery-powered systems without compromising supervision integrity |
| Transient-immune comparators | Rejects short negative-going VCC transients (<100ns at 100mV overdrive), improving noise robustness in noisy environments |
Applications
| Industrial PLC Controllers | Portable Medical Monitors |
|---|---|
|
Use Scenario: Real-time control logic powered by dual rails (3.3V CPU core, 2.2V sensor interface) requiring coordinated reset during undervoltage events. IC Role / Device Role / Timing Role: MAX6360SYUT monitors both rails and asserts RST2 to halt execution before data corruption occurs. Use Value: Prevents firmware crash due to asymmetric supply collapse-ensures deterministic restart when either rail recovers. |
Use Scenario: Battery-operated ECG device with 2.9V analog front-end and 2.2V digital subsystem, where low-quiescent supervision extends battery life. IC Role / Device Role / Timing Role: MAX6360SYUT provides reset coordination and watchdog supervision with only 20µA draw. Use Value: Enables >72-hour continuous operation on coin cell while guaranteeing safe shutdown below 2.19V on critical 2.2V rail. |
| Automotive Body Control Modules | Smart Energy Meters |
|
Use Scenario: Microcontroller-based BCM with separate 2.9V CAN transceiver supply and 2.2V MCU I/O rail exposed to automotive load-dump transients. IC Role / Device Role / Timing Role: MAX6360SYUT's transient immunity and 1.0V valid reset ensure reliable recovery after 12V system dips. Use Value: Eliminates need for external RC filters or backup supervisors-reduces BOM count and layout area. |
Use Scenario: Revenue-grade meter with isolated 2.9V metrology ADC and 2.2V communication SoC, requiring tamper-proof reset coordination. IC Role / Device Role / Timing Role: MAX6360SYUT's WDI input validates processor activity and triggers RST2 on firmware hang. Use Value: Meets IEC 62056-21 watchdog requirements while supporting dual-rail power architecture. |
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 | Same thresholds (2.93V/2.19V) but RST output referenced to VCC1 instead of VCC2; no RST2 pin | Requires reset load tied to VCC1 rail; unsuitable when reset must drive VCC2-referenced logic | Select MAX6359SYUT only if system reset signal must be level-shifted to VCC1 domain |
| TPS3808G33DBVR | Single-supply supervisor (3.3V threshold only); no dual-monitoring or WDI; 350ms reset timeout | Lacks VCC2 monitoring and watchdog-requires additional ICs to match MAX6360SYUT functionality | Choose TPS3808G33DBVR only for single-rail designs where cost and footprint outweigh feature needs |
Compared with MAX6360SYUT, MAX6359SYUT offers identical voltage thresholds but delivers reset relative to VCC1-making it incompatible when the target logic is powered by VCC2. TPS3808G33DBVR reduces integration by omitting dual monitoring and watchdog, increasing system-level component count and validation effort.
Availability
MAX6360SYUT is available at Aetrix Electronics and suitable for industrial PLC controllers, portable medical monitors, automotive body control modules, and smart energy meters requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX6360SYUT 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 industrial, communications, computing, and consumer applications.
The MAX6351–MAX6360 family delivers dual- and triple-voltage supervision with integrated watchdog timers-engineered specifically for reliability-critical embedded systems where coordinated power-rail monitoring and fail-safe reset timing are mandatory.
FAQ
What is the exact reset threshold voltage for VCC1 and VCC2 on the MAX6360SYUT?
The MAX6360SYUT has a factory-set VCC1 threshold of 2.93V (±0.05V at +25°C) and VCC2 threshold of 2.19V (±0.03V at +25°C), both specified over the full -40°C to +85°C operating range. These values are laser-trimmed during production and documented in the Voltage-Threshold Levels table of the MAX6360SYUT datasheet.
Does the MAX6360SYUT provide a reset output referenced to VCC2?
Yes, the MAX6360SYUT provides an active-low push-pull reset output (RST2) referenced to VCC2 on Pin 1. This allows direct interfacing with logic powered by the VCC2 rail without level-shifting, unlike variants such as MAX6359SYUT which references reset to VCC1.
How does the watchdog timer function on the MAX6360SYUT?
The MAX6360SYUT watchdog operates in two modes: a 46.4s startup timeout after power-up or reset, followed by a 2.9s normal timeout once the first WDI edge is detected. The WDI input (Pin 5) must receive periodic transitions to prevent reset assertion-enabling robust detection of firmware hangs during runtime.
What is the minimum supply voltage required for the MAX6360SYUT to maintain valid reset output?
The MAX6360SYUT guarantees valid RST2 output as long as either VCC1 ≥ 1.0V or VCC2 ≥ 1.0V. This specification ensures reliable reset assertion even during deep brownout conditions-critical for controlled shutdown in battery-powered or unregulated supply applications.
Is the MAX6360SYUT available in lead-free packaging?
Yes, the MAX6360SYUT is offered in lead(Pb)-free packaging. To order the RoHS-compliant version, replace the "-T" suffix in the standard part number with "+T", resulting in MAX6360SYUT+T. Both versions share identical electrical specifications and thermal performance.
MAX6360SYUT 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:
- 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-23-6
MAX6360SYUT FAQ
1.How can I place an order for MAX6360SYUT through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6360SYUT 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 reliable?
The price and inventory of MAX6360SYUT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6360SYUT is usually 5 days.
3.What payment methods are accepted for MAX6360SYUT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6360SYUT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6360SYUT?
MAX6360SYUT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6360SYUT 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?
For technical support, including MAX6360SYUT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6360SYUT requirements.
6.How does Aetrix verify that MAX6360SYUT is sourced from the original manufacturer or authorized distributors?
All MAX6360SYUT 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 meets industry standards.
7.What is the process for return or replacement of MAX6360SYUT?
All MAX6360SYUT units undergo pre-shipment inspection (PSI). If there is an issue with MAX6360SYUT, 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 part is unused and in its original packaging.
Return procedure for MAX6360SYUT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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