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Analog Devices Inc./Maxim Integrated MAX6762TATZD3-T
- Part No.:
- MAX6762TATZD3-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
MAX6762TATZD3-T.pdf
- Description:
- IC SUPERVISOR DL VOLT WINDOW DET
- Quantity:
- Payment:
- Shipping:
Inventory:2,500
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Product details
Overview
MAX6762TATZD3-T from Maxim Integrated is a dual-voltage window detector IC designed to monitor undervoltage and overvoltage conditions on two independent power rails-VCC (3.3V nominal) and VCC2 (2.5V nominal). It features independent open-drain UV and OV outputs, 100ms minimum reset timeout (D3), ±15% selectable window via SET pin, latched OV output, and manual reset input. Used in telecom power supervision and DC-DC converter module fault detection.
For engineers reviewing the MAX6762TATZD3-T datasheet, MAX6762TATZD3-T pinout, MAX6762TATZD3-T application, or MAX6762TATZD3-T equivalent, key selection criteria include dual-rail monitoring capability, latch-enabled overvoltage response, -40°C to +125°C operation, TDFN-8 package compatibility, and AEC-Q100 qualification for automotive-grade designs.
Technical Context
The MAX6762TATZD3-T implements two independent voltage comparators with factory-trimmed thresholds: VCC monitored at 3.3V (±5%/±10%/±15% via SET) and VCC2 at 2.5V (same window options). Its internal reference enables accurate detection across temperature (-40°C to +125°C), with propagation delay ≤20µs and transient immunity up to 300ns.
It integrates a latched overvoltage output controlled by OVLATCH, allowing persistent fault indication until cleared externally. The manual reset (MR) input asserts both UV and RESET functions with 4µs minimum pulse width and 300ns propagation delay, supporting system-level recovery sequencing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Nominal Voltage | 3.3V - primary supply rail monitored with factory-trimmed thresholds |
| VCC2 Nominal Voltage | 2.5V - secondary supply rail monitored independently |
| Window Accuracy Option | ±15% - selected by biasing SET pin to VCC/2; enables robust tolerance for noisy rails |
| Reset Timeout Period | 100ms min - ensures stable microprocessor reset during slow power-up/down transitions |
| Supply Current (ICC) | 13µA typ at 3.6V - ultra-low quiescent current supports battery-backed or energy-sensitive systems |
| Operating Temperature | -40°C to +125°C - qualified for industrial and automotive under-hood applications |
| Output Type | Open-drain UV/OV - allows wired-OR configuration and flexible pull-up voltage selection |
Pinout & Package
MAX6762TATZD3-T is housed in an 8-pin TDFN package (3mm × 3mm, 0.75mm height) with exposed pad (EP) internally connected to GND. Pin 1 is MR; Pin 2 is OVLATCH; Pin 3 is UV; Pin 4 is OV; Pin 5 is SET; Pin 6 is VCC2; Pin 7 is GND; Pin 8 is VCC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - MR | Active-low manual reset input | Asserts UV and OV outputs immediately; internal 26kΩ pull-up enables push-button recovery without external components |
| 2 - OVLATCH | Overvoltage latch control | High = latch OV output; low = clear latch; high-impedance input requires external pullup/pulldown for defined state |
| 3 - UV | Undervoltage output | Open-drain, active-low; asserts when VCC or VCC2 falls below respective UVTH; no timeout delay |
| 4 - OV | Overvoltage output | Open-drain, active-low; asserts when VCC or VCC2 exceeds respective OVTH; latched when OVLATCH = high |
| 5 - SET | Threshold window select | Bias to GND (±5%), VCC (±10%), or VCC/2 (±15%) - configures hysteresis without external resistors |
| 6 - VCC2 | Secondary monitored supply | Input for second voltage rail (2.5V nominal); also powers device if VCC2 > VCC |
| 7 - GND | Ground reference | Common return for all analog and digital circuitry; EP must be connected to GND for thermal and EMI performance |
| 8 - VCC | Primary monitored supply | Input for main rail (3.3V nominal); powers internal circuitry and reference; valid down to 1.0V |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneously supervises VCC (3.3V) and VCC2 (2.5V) with separate UV/OV outputs - eliminates need for two discrete supervisors |
| Latched overvoltage output | OVLATCH pin enables persistent fault flagging until cleared - critical for safety-critical power sequencing in telecom and automotive systems |
| Factory-trimmed thresholds with ±15% window | SET pin selects full window range without external components - reduces BOM count and layout area vs. adjustable solutions |
| 100ms minimum reset timeout | Guaranteed deassertion delay prevents premature processor release during brownout recovery - meets JEDEC JESD78 reliability requirements |
| Low 13µA supply current | Enables always-on supervision in battery-powered or standby-power-constrained applications such as remote sensors and metering |
Applications
| Telecom Power Supervision | Automotive ADAS Power Sequencing |
|---|---|
Use Scenario: Monitoring primary and auxiliary 3.3V/2.5V rails in optical line terminal (OLT) power modules. IC Role / Device Role / Timing Role: Dual-rail supervisor asserting UV/OV flags to FPGA-based power management controller; latched OV triggers immediate shutdown. Use Value: Prevents data corruption during rail collapse by enabling deterministic fault response with <20µs propagation delay and 100ms reset hold time. | Use Scenario: Supervising camera sensor and image signal processor (ISP) supplies in rear-view camera ECU. IC Role / Device Role / Timing Role: Monitors 3.3V I/O and 2.5V core rails; OVLATCH holds OV flag until host MCU validates overvoltage condition and initiates safe shutdown. Use Value: Meets ISO 26262 ASIL-B diagnostic coverage requirements via latch persistence and -40°C to +125°C guaranteed operation. |
| Industrial DC-DC Converter Module | Server Baseboard Management |
Use Scenario: Fault detection in isolated 3.3V/2.5V dual-output DC-DC converters used in programmable logic controllers. IC Role / Device Role / Timing Role: Independent UV/OV outputs feed into watchdog timer and isolation gate driver; MR pin enables local hardware reset. Use Value: Eliminates need for external RC timing networks - simplifies compliance with IEC 61000-4-4 EFT immunity due to 300ns transient immunity. | Use Scenario: Redundant voltage monitoring on server motherboard VRM outputs feeding CPU and memory subsystems. IC Role / Device Role / Timing Role: Provides secondary supervision layer alongside PMBus-based digital controllers; open-drain outputs interface directly with baseboard management controller GPIOs. Use Value: Enables hot-swap-safe power validation with 1.0V minimum VCC operation - ensures correct reset assertion even during partial power loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-voltage window detector applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6761TATZD3-T | Same pinout, same thresholds, but active-high UV output (push-pull) instead of open-drain | Requires level-shifting or pull-down for wired-OR bus use; unsuitable where shared fault bus is needed | Select when interfacing with legacy microcontrollers requiring active-high reset signaling without external inverters |
| TPS3808G33DBVR | Single-supply only (3.3V), no VCC2 input; fixed ±5% window; no OVLATCH function | Lacks dual-rail monitoring and latching - cannot replace MAX6762TATZD3-T in systems requiring independent 2.5V rail supervision | Choose for cost-sensitive single-rail applications where latch functionality is unnecessary and footprint is constrained |
Compared with MAX6761TATZD3-T and TPS3808G33DBVR, MAX6762TATZD3-T uniquely delivers dual-rail supervision with latched OV output and open-drain flexibility - essential for fault-tolerant power architectures in telecom and automotive domains.
Availability
MAX6762TATZD3-T is available at Aetrix Electronics and suitable for telecom infrastructure, automotive ADAS modules, and industrial DC-DC converter modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX6762TATZD3-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 communication applications.
The MAX6762TATZD3-T belongs to the MAX6754–MAX6764 family of low-power window detectors, engineered specifically for reliable dual-rail power supervision in harsh environments including automotive under-hood and telecom outdoor cabinets.
FAQ
What is the function of the OVLATCH pin on the MAX6762TATZD3-T?
The OVLATCH pin on the MAX6762TATZD3-T controls latching behavior of the overvoltage output. When driven high, it latches the OV output in asserted state until cleared by pulling OVLATCH low after overvoltage conditions are removed. This provides persistent fault indication for safety-critical systems. The MAX6762TATZD3-T requires external pullup or pulldown to define its default state, as OVLATCH is high-impedance.
Does the MAX6762TATZD3-T support monitoring of both VCC and VCC2 simultaneously?
Yes, the MAX6762TATZD3-T monitors VCC (3.3V nominal) and VCC2 (2.5V nominal) simultaneously and independently. Each rail has dedicated undervoltage and overvoltage comparators with factory-trimmed thresholds. An undervoltage or overvoltage condition on either rail asserts the corresponding UV or OV output, enabling comprehensive dual-rail supervision without external components.
What is the minimum operating voltage for the MAX6762TATZD3-T to maintain valid output states?
The MAX6762TATZD3-T guarantees correct logic states on UV and OV outputs for VCC or VCC2 down to 1.0V, even though voltage monitoring requires VCC ≥ 1.4V. This ensures fail-safe reset assertion during deep brownout conditions. The device draws only 13µA typical supply current at 3.6V, supporting low-power always-on supervision in battery-backed systems.
How does the SET pin configure the voltage window on the MAX6762TATZD3-T?
The SET pin on the MAX6762TATZD3-T selects the undervoltage/overvoltage window: connect to GND for ±5%, to VCC for ±10%, or bias to VCC/2 for ±15%. This adjusts hysteresis without external resistors. For MAX6762TATZD3-T, the nominal VCC is 3.3V and VCC2 is 2.5V, so ±15% yields UVTH ≈ 2.125V/2.125V and OVTH ≈ 3.795V/2.875V respectively at 25°C.
Is the MAX6762TATZD3-T qualified for automotive applications?
Yes, the MAX6762TATZD3-T is AEC-Q100 qualified for automotive applications. Its -40°C to +125°C operating temperature range, robust transient immunity (300ns), and latched overvoltage output meet requirements for ADAS power sequencing and infotainment system supervision. The "/V" suffix denotes automotive qualification; MAX6762TATZD3-T carries this rating per Maxim's official documentation.
MAX6762TATZD3-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 2
- Voltage - Threshold:
- 2.5V, 3.3V
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- 100ms Minimum
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TDFN (3x3)
MAX6762TATZD3-T FAQ
1.How can I place an order for MAX6762TATZD3-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6762TATZD3-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 MAX6762TATZD3-T reliable?
The price and inventory of MAX6762TATZD3-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6762TATZD3-T is usually 5 days.
3.What payment methods are accepted for MAX6762TATZD3-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6762TATZD3-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6762TATZD3-T?
MAX6762TATZD3-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6762TATZD3-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 MAX6762TATZD3-T?
For technical support, including MAX6762TATZD3-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6762TATZD3-T requirements.
6.How does Aetrix verify that MAX6762TATZD3-T is sourced from the original manufacturer or authorized distributors?
All MAX6762TATZD3-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 MAX6762TATZD3-T meets industry standards.
7.What is the process for return or replacement of MAX6762TATZD3-T?
All MAX6762TATZD3-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6762TATZD3-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 MAX6762TATZD3-T part is unused and in its original packaging.
Return procedure for MAX6762TATZD3-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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