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Analog Devices Inc./Maxim Integrated MAX6360TZUT
- Part No.:
- MAX6360TZUT
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6360TZUT.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:253
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Product details
Overview
MAX6360TZUT from Maxim Integrated is a dual-voltage microprocessor supervisory circuit with active-low push-pull reset referenced to VCC2, 3.08V/2.32V factory-set thresholds, watchdog timer (46.4s startup / 2.9s normal timeout), and guaranteed RESET validity down to VCC1 or VCC2 = 1.0V. It monitors two independent supply rails in multivoltage embedded systems requiring robust power-fail detection and processor supervision.
For engineers reviewing the MAX6360TZUT datasheet, MAX6360TZUT pinout, MAX6360TZUT application, or MAX6360TZUT equivalent, key selection criteria include dual-supply threshold accuracy (±0.05V over temperature), 20µA quiescent current, 100ms min reset pulse width, and SOT23-6 package compatibility with space-constrained industrial controllers and portable instrumentation.
Technical Context
The MAX6360TZUT implements dual independent voltage comparators with precision factory-trimmed thresholds (VTH1 = 3.08V, VTH2 = 2.32V) and 20ppm/°C tempco, ensuring stable trip points across -40°C to +85°C. Its watchdog timer features two distinct timeout modes: a 46.4s startup period for system initialization and a 2.9s normal mode for runtime fault detection.
Reset assertion occurs if either VCC1 or VCC2 drops below its respective threshold; the active-low RST2 output remains valid as long as at least one supply exceeds 1.0V. The manual-reset input (MR) is debounced and TTL/CMOS-compatible, with glitch rejection of 100ns and sub-microsecond MR-to-reset delay.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Threshold | 3.08V ±0.05V (factory-trimmed; ensures reliable reset at nominal +3.3V rail) |
| VCC2 Threshold | 2.32V ±0.05V (factory-trimmed; matches common +2.5V or +2.3V auxiliary rails) |
| Supply Current | 20µA typical (enables battery-backed operation for >10 years in low-power systems) |
| Reset Pulse Width | 100ms minimum (guarantees sufficient duration for μP initialization sequences) |
| Watchdog Timeout | 46.4s startup / 2.9s normal (supports complex boot-up while enabling rapid fault response) |
| Operating Temp | -40°C to +85°C (fully specified for industrial and automotive under-hood environments) |
| RESET Validity | Down to VCC1 ≥ 1.0V or VCC2 ≥ 1.0V (ensures fail-safe reset even during deep brownout) |
Pinout & Package
MAX6360TZUT is housed in a 6-pin SOT23 package (U6-1 outline, 90-0175 land pattern), measuring 2.9mm × 1.6mm × 1.1mm, with lead(Pb)-free RoHS-compliant construction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RST2 | Active-low push-pull reset output referenced to VCC2; drives low to assert reset when either supply fails |
| 2 | GND | Ground reference for all internal comparators, watchdog, and I/O circuits |
| 3 | MR | Debounced manual-reset input; falling edge forces reset for timeout period plus hold time |
| 4 | VCC2 | Secondary supply input; powers device and monitored rail; threshold = 2.32V |
| 5 | WDI | Watchdog input; rising/falling edges reset timer; open-circuit disables watchdog |
| 6 | VCC1 | Primary supply input; powers device and monitored rail; threshold = 3.08V |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneous 3.08V and 2.32V thresholds eliminate need for external resistive dividers or discrete supervisors |
| Guaranteed reset validity to 1.0V | Ensures deterministic reset behavior during severe brownout conditions where supplies collapse below 1.2V |
| Two-mode watchdog timer | 46.4s startup window prevents false resets during boot; 2.9s runtime timeout enables fast fault recovery |
| 20µA ultra-low supply current | Reduces standby power in always-on systems; supports coin-cell operation for >5 years |
| Power-transient immunity | Rejects <100ns negative VCC transients up to 1.0V overdrive, preventing spurious resets in noisy environments |
Applications
| Industrial PLC Controllers | Battery-Powered Data Loggers |
|---|---|
|
Use Scenario: Monitoring dual-rail 3.3V logic and 2.5V analog sensor supplies in programmable logic controllers operating in harsh factory environments. IC Role / Device Role / Timing Role: Dual-supply supervisor asserting RST2 to halt CPU execution upon undervoltage on either rail, with watchdog enforcing firmware liveliness. Use Value: Prevents corrupted I/O state and memory writes during brownout by guaranteeing reset assertion before supply collapse below 1.0V. |
Use Scenario: Supervising main Li-ion battery (3.08V threshold) and backup supercapacitor (2.32V threshold) in remote environmental sensors. IC Role / Device Role / Timing Role: Voltage monitor and watchdog co-processor that triggers controlled shutdown and data save before power loss. Use Value: Enables deterministic low-power wake-up sequencing and eliminates data corruption via 100ms minimum reset pulse. |
| Medical Diagnostic Handhelds | Automotive Infotainment Modules |
|
Use Scenario: Ensuring clean boot of ARM Cortex-M4 host and 2.3V display driver IC in portable ultrasound devices. IC Role / Device Role / Timing Role: Dual-threshold supervisor providing synchronized reset to both processor and peripheral, with MR for user-initiated reboots. Use Value: Guarantees simultaneous reset release across voltage domains, eliminating race conditions during cold start. |
Use Scenario: Monitoring 3.3V MCU core and 2.3V CAN transceiver supply in vehicle infotainment head units exposed to load-dump transients. IC Role / Device Role / Timing Role: Fault-tolerant supervisor with transient-immune comparators and watchdog guarding against firmware hangs. Use Value: Maintains reset assertion through 100ns/1V transients, preventing spurious resets during alternator switching events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-voltage supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6359TZUT | Same package and thresholds, but RST output referenced to VCC1 instead of VCC2 | Requires VCC1 as primary monitored rail; incompatible when reset must track VCC2 domain | Select MAX6359TZUT only if reset signal must be level-shifted to VCC1 domain |
| TPS3808G33DBVR | Single-supply (3.3V only), no watchdog, 1% threshold accuracy vs. MAX6360TZUT's 1.6% over temp | Lacks dual-rail monitoring and watchdog; suitable only for single-rail systems without runtime supervision | Choose TPS3808G33DBVR for cost-sensitive single-rail designs without watchdog requirement |
Compared with MAX6359TZUT, MAX6360TZUT provides VCC2-referenced reset critical for peripherals powered from secondary rails; versus TPS3808G33DBVR, it delivers essential dual-supply coverage and watchdog functionality absent in the TI part.
Availability
MAX6360TZUT is available at Aetrix Electronics and suitable for industrial PLC controllers, battery-powered data loggers, medical handheld diagnostics, automotive infotainment modules, and intelligent instrumentation requiring stable component supply across extended temperature ranges.
Supply support for MAX6360TZUT 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, automotive, and communications applications, with expertise in power management and reliability-critical supervision.
The MAX6351–MAX6360 family was engineered specifically for multivoltage embedded systems needing precise, low-power, dual-rail supervision with integrated watchdog - targeting applications where supply sequencing and runtime fault detection are mission-critical.
FAQ
What is the exact reset threshold voltage for VCC1 and VCC2 on the MAX6360TZUT?
The MAX6360TZUT has factory-set thresholds of 3.08V for VCC1 and 2.32V for VCC2, with tolerances of ±0.05V over the full -40°C to +85°C temperature range. These values are laser-trimmed during production and documented in the Voltage-Threshold Levels table of the MAX6360TZUT datasheet; no external components are needed to achieve this precision.
Does the MAX6360TZUT provide a watchdog timer, and what are its timeout periods?
Yes, the MAX6360TZUT includes a dual-mode watchdog timer with a 46.4s startup timeout period (to accommodate system boot sequences) and a 2.9s normal timeout period (for runtime fault detection). The timer resets on any WDI edge and asserts RST2 if no transition occurs within the active timeout window.
What is the function of Pin 1 and Pin 5 on the MAX6360TZUT?
Pin 1 of the MAX6360TZUT is RST2 - an active-low push-pull reset output referenced to VCC2. Pin 5 is WDI - the watchdog input that must receive periodic edges to prevent timeout-induced reset. Both pins are electrically defined in the MAX6360TZUT Pin Description table and operate across the full supply and temperature range.
Can the MAX6360TZUT operate with supply voltages below 1.2V?
The MAX6360TZUT guarantees functional operation down to VCC1 ≥ 1.2V or VCC2 ≥ 1.2V across -40°C to +85°C, but its RESET output remains valid as long as either supply stays ≥ 1.0V. Below 1.0V, reset behavior is not guaranteed; design margins should maintain supplies above 1.2V for full specification compliance.
Is the MAX6360TZUT pin-compatible with other devices in the MAX6351–MAX6360 family?
The MAX6360TZUT uses the same 6-pin SOT23 package and pinout as MAX6358TZUT, MAX6359TZUT, and MAX6355–MAX6357 variants, but differs functionally: MAX6360TZUT provides VCC2-referenced RST2 output and watchdog, whereas MAX6355/MAX6356/MAX6357 add a third RSTIN input. Pin compatibility does not imply functional interchangeability.
MAX6360TZUT 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:
- 2.32V, 3.08V
- 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
MAX6360TZUT FAQ
1.How can I place an order for MAX6360TZUT through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6360TZUT 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 MAX6360TZUT reliable?
The price and inventory of MAX6360TZUT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6360TZUT is usually 5 days.
3.What payment methods are accepted for MAX6360TZUT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6360TZUT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6360TZUT?
MAX6360TZUT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6360TZUT 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 MAX6360TZUT?
For technical support, including MAX6360TZUT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6360TZUT requirements.
6.How does Aetrix verify that MAX6360TZUT is sourced from the original manufacturer or authorized distributors?
All MAX6360TZUT 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 MAX6360TZUT meets industry standards.
7.What is the process for return or replacement of MAX6360TZUT?
All MAX6360TZUT units undergo pre-shipment inspection (PSI). If there is an issue with MAX6360TZUT, 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 MAX6360TZUT part is unused and in its original packaging.
Return procedure for MAX6360TZUT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX6360TZUT Tags
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