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Analog Devices Inc./Maxim Integrated MAX6360TZUT+T
- Part No.:
- MAX6360TZUT+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6360TZUT+T.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:2,550
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Product details
Overview
MAX6360TZUT+T 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 3.08V and VCC2 threshold of 2.32V, 20µA supply current, 100ms min reset timeout, and integrated watchdog timer (46.4s startup / 2.9s normal). It ensures reliable power-on reset and fault detection in multivoltage embedded systems.
For engineers reviewing the MAX6360TZUT+T datasheet, MAX6360TZUT+T pinout, MAX6360TZUT+T application, or MAX6360TZUT+T equivalent, this page delivers verified electrical parameters, SOT23-6 pin mapping, watchdog timing behavior, reset voltage hysteresis, and validated alternative parts for dual-supply monitoring designs.
Technical Context
The MAX6360TZUT+T monitors two independent supply rails (VCC1 and VCC2) with precision thresholds-3.08V ±0.08V at VCC1 and 2.32V ±0.07V at VCC2-and asserts an active-low reset signal when either drops below its trip point. Its reset output remains valid as long as either supply exceeds +1.0V, enabling robust brownout detection across wide temperature ranges.
It integrates a dual-mode watchdog timer: a 46.4s startup timeout allows full system initialization after power-up or manual reset, followed by a 2.9s normal timeout for continuous processor activity monitoring. The WDI input accepts TTL/CMOS-compatible edges and clears the timer on any rising or falling transition.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Threshold | 3.08V ±0.08V at -40°C to +85°C - sets precise reset trigger for primary supply rail |
| VCC2 Threshold | 2.32V ±0.07V at -40°C to +85°C - enables accurate secondary rail monitoring |
| Reset Timeout | 100–280ms - guarantees minimum reset pulse width for μP initialization |
| Supply Current | 20µA typical - supports ultra-low-power battery-backed or portable applications |
| Watchdog Startup Timeout | 46.4s - provides extended boot window before watchdog enforcement begins |
| Watchdog Normal Timeout | 2.9s - detects processor lockup or firmware hang during steady-state operation |
| Reset Output Type | Active-low push-pull referenced to VCC2 - eliminates external pull-up and drives low directly |
Pinout & Package
MAX6360TZUT+T is housed in a RoHS-compliant 6-pin SOT23 package (U6-1 outline), with 1.0mm pitch, 2.9mm × 1.6mm footprint, and thermal pad not connected internally. Pin 1 is RST2 (active-low reset 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 |
|---|---|---|
| 1 (RST2) | Active-low push-pull reset output | Referenced to VCC2; drives low without external components; valid down to VCC2 = 1.0V |
| 2 (GND) | Ground reference | Common return path for all internal circuits and reset output sink current |
| 3 (MR) | Debounced manual-reset input | Active-low; forces reset when pulled low; internal 32–100kΩ pullup; glitch rejection ≥100ns |
| 4 (VCC2) | Secondary supply input & monitor rail | Powers device if > VCC1; monitored at 2.32V threshold; must remain ≤ VCC1 |
| 5 (WDI) | Watchdog timer input | Edge-sensitive; clears timer on rising/falling edge; timeout disabled if left floating |
| 6 (VCC1) | Primary supply input & monitor rail | Powers device if > VCC2; monitored at 3.08V threshold; supplies internal logic and MR pullup |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneously tracks VCC1 (3.08V) and VCC2 (2.32V); reset asserted if either falls below threshold |
| Guaranteed reset validity down to 1.0V | RESET remains functional even when VCC1 or VCC2 drops to 1.0V - critical for brownout resilience |
| Integrated dual-mode watchdog | 46.4s startup timeout + 2.9s normal timeout - balances safe boot time with rapid fault response |
| No external components required | Push-pull RST2 output eliminates need for pull-up resistor; reduces BOM count and board space |
| High noise immunity | Power-supply transient immunity up to 250µs at 1V overdrive - rejects short glitches without false reset |
Applications
| Industrial PLC Controller Power Monitoring | Battery-Powered IoT Sensor Node |
|---|---|
|
Use Scenario: Monitors dual-rail 3.3V logic and 2.4V sensor supply in programmable logic controller modules operating in harsh industrial environments. IC Role / Device Role / Timing Role: Dual-threshold supervisor asserting RST2 to hold ARM Cortex-M4 in reset until both rails stabilize above 3.08V and 2.32V respectively. Use Value: Prevents erratic MCU execution during rail sequencing or brownout; watchdog enforces firmware liveness after boot completes. |
Use Scenario: Ensures reliable startup and runtime supervision in LoRaWAN end-nodes powered by single-cell Li-ion with buck-boost DC/DC generating 3.08V and 2.32V rails. IC Role / Device Role / Timing Role: Provides power-on reset and continuous watchdog oversight via WDI tied to MCU GPIO; RST2 drives reset line of ultra-low-power microcontroller. Use Value: 20µA quiescent current extends battery life; 100ms reset pulse meets ARM reset timing requirements; 2.9s watchdog catches sleep-mode hangs. |
| Medical Diagnostic Handheld Device | Automotive Body Control Module (BCM) |
|
Use Scenario: Supervises 3.08V main logic rail and 2.32V analog front-end supply in portable ultrasound or ECG units requiring fail-safe power sequencing. IC Role / Device Role / Timing Role: Generates synchronized reset for FPGA and ADC subsystems; MR input enables hardware-initiated recalibration reset. Use Value: Push-pull RST2 eliminates pull-up resistor - improves reliability in vibration-prone handheld enclosures; guaranteed operation down to 1.0V prevents spurious resets during battery sag. |
Use Scenario: Monitors 3.08V infotainment core rail and 2.32V CAN transceiver supply in automotive BCMs operating across -40°C to +85°C ambient range. IC Role / Device Role / Timing Role: Dual-rail supervision with watchdog feeding microcontroller's WDT input; RST2 held active during cold crank (VCC2 dip) to prevent CAN bus corruption. Use Value: Extended temperature rating and 20ppm/°C tempco ensure stable thresholds across engine bay thermal cycles; 46.4s startup timeout accommodates slow-cranking scenarios. |
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+T | Same 3.08V/2.32V thresholds and SOT23-6 package, but RST output referenced to VCC1 instead of VCC2 | Requires reset load referenced to primary rail; unsuitable where reset must track secondary rail voltage | Select MAX6359TZUT+T only if system reset logic is tied to VCC1 domain and RST2 functionality is unnecessary |
| TPS3808G30DBVR | Single-supply supervisor (3.0V threshold only); no VCC2 monitoring or dual-rail capability; 350ms reset timeout | Lacks secondary rail supervision and watchdog timer; requires separate IC for second rail | Use TPS3808G30DBVR only in single-rail systems or when adding discrete monitoring for VCC2 is acceptable |
Compared with MAX6360TZUT+T, MAX6359TZUT+T shifts reset reference from VCC2 to VCC1 - altering system-level reset domain coupling - while TPS3808G30DBVR omits dual-rail and watchdog functions entirely, increasing design complexity and component count for equivalent functionality.
Availability
MAX6360TZUT+T is available at Aetrix Electronics and suitable for industrial PLC controllers, battery-powered IoT sensor nodes, medical handheld diagnostics, and automotive body control modules requiring stable component supply, guaranteed RoHS compliance, and extended temperature operation.
Supply support for MAX6360TZUT+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 power, sensing, interface, and timing applications, with emphasis on reliability and integration for demanding environments.
The MAX6351–MAX6360 family delivers dual- and triple-voltage supervision with integrated watchdog timers, targeting multirail embedded systems where power integrity, boot safety, and runtime fault detection are critical.
FAQ
What is the exact reset threshold voltage for VCC1 and VCC2 on the MAX6360TZUT+T?
The MAX6360TZUT+T has a factory-set VCC1 threshold of 3.08V (±0.08V over -40°C to +85°C) and VCC2 threshold of 2.32V (±0.07V over the same range), as confirmed in the Voltage Threshold Levels table and Electrical Characteristics section of the official datasheet. These values are laser-trimmed and guaranteed across temperature.
Does the MAX6360TZUT+T provide a watchdog timer, and what are its timeout periods?
Yes, the MAX6360TZUT+T includes a dual-mode watchdog timer: a 46.4s startup timeout period after power-up or reset, followed by a 2.9s normal timeout period during steady-state operation. Both values are production-tested and specified in the Electrical Characteristics table under "Watchdog Timeout Period".
What is the function and voltage reference of the RST2 output on the MAX6360TZUT+T?
The RST2 output on the MAX6360TZUT+T is an active-low, push-pull reset signal referenced to VCC2. It drives low directly without requiring an external pull-up resistor and remains valid as long as VCC2 ≥ 1.0V, making it ideal for systems where reset assertion must track the secondary supply rail.
Can the MAX6360TZUT+T operate with supply voltages below 2.0V?
Yes - the MAX6360TZUT+T operates with VCC1 and VCC2 as low as 1.2V over the full -40°C to +85°C range (1.0V minimum for reset validity). Its 3.08V/2.32V thresholds are designed to supervise higher nominal rails, but internal circuitry functions correctly down to 1.2V, enabling use in low-voltage sequenced systems.
Is the MAX6360TZUT+T pin-compatible with other devices in the MAX6351–MAX6360 family?
The MAX6360TZUT+T uses the standard 6-pin SOT23 (U6-1) package and shares identical pinout with MAX6358TZUT+T, MAX6359TZUT+T, and MAX6351TZUT+T - all have RST2/RST1 on pin 1, GND on pin 2, MR on pin 3, VCC2 on pin 4, WDI on pin 5, and VCC1 on pin 6. However, output type (push-pull vs. open-drain) and reference rail differ per variant.
MAX6360TZUT+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:
- 2.32V, 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-6
MAX6360TZUT+T FAQ
1.How can I place an order for MAX6360TZUT+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6360TZUT+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 MAX6360TZUT+T reliable?
The price and inventory of MAX6360TZUT+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6360TZUT+T is usually 5 days.
3.What payment methods are accepted for MAX6360TZUT+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6360TZUT+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6360TZUT+T?
MAX6360TZUT+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6360TZUT+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 MAX6360TZUT+T?
For technical support, including MAX6360TZUT+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6360TZUT+T requirements.
6.How does Aetrix verify that MAX6360TZUT+T is sourced from the original manufacturer or authorized distributors?
All MAX6360TZUT+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 MAX6360TZUT+T meets industry standards.
7.What is the process for return or replacement of MAX6360TZUT+T?
All MAX6360TZUT+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6360TZUT+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 MAX6360TZUT+T part is unused and in its original packaging.
Return procedure for MAX6360TZUT+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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