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Analog Devices Inc./Maxim Integrated MAX6762TARAD3+T
- Part No.:
- MAX6762TARAD3+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- -
- Datasheet:
-
MAX6762TARAD3+T.pdf
- Description:
- IC DETECT VOLT WINDOW 8-TDFN
- Quantity:
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Inventory:3,921
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Product details
Overview
MAX6762TARAD3+T from Analog Devices is a dual-voltage window detector IC monitoring both VCC and VCC2 supplies, with factory-trimmed 3.3V/1.8V thresholds, ±15% window (SET = VCC/2), 100ms minimum reset timeout, latched overvoltage output, and manual reset input. It operates from -40°C to +125°C in automotive and industrial power-rail supervision.
For engineers reviewing the MAX6762TARAD3+T datasheet, MAX6762TARAD3+T pinout, MAX6762TARAD3+T application, or MAX6762TARAD3+T equivalent, key selection criteria include dual-supply monitoring capability, latch-enabled OV response, 100ms timeout timing, TDFN-8 package compatibility, and AEC-Q100 qualification for automotive use.
Technical Context
The MAX6762TARAD3+T implements independent undervoltage and overvoltage comparators for two supply rails (VCC = 3.3V nominal, VCC2 = 1.8V nominal), each with ±15% threshold window selected via SET pin biasing at VCC/2. It features latched OV output controlled by OVLATCH pin and a manual reset input with 26kΩ internal pullup.
It uses an internal precision reference to achieve ±1.5% typical threshold accuracy over temperature, supports operation down to VCC = 1.4V (outputs valid to 1.0V), and delivers 13µA typical supply current at 3.6V. The device asserts UV and OV outputs immediately upon threshold violation, with RESET deassertion delayed by the D3 timeout period (100–320ms).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Nominal | 3.3V - primary monitored supply rail; factory-trimmed for accurate 3.3V system supervision |
| VCC2 Nominal | 1.8V - secondary monitored supply rail; enables dual-rail monitoring for core/I/O voltage pairs |
| Window Accuracy | ±15% - set by biasing SET pin to VCC/2; defines UVTH = 0.85×VCC_nom and OVTH = 1.15×VCC_nom |
| Reset Timeout | 100ms min - ensures stable microprocessor reset hold time after supply recovery |
| Supply Current | 13µA typ at 3.6V - enables always-on supervision in battery-backed or low-power systems |
| Operating Temp | -40°C to +125°C - qualified for under-hood automotive and industrial embedded environments |
| OV Latch Function | Yes - OVLATCH pin controls persistent OV assertion until cleared, critical for fault logging |
Pinout & Package
MAX6762TARAD3+T is housed in an 8-pin TDFN package (3mm × 3mm, 0.75mm height) with exposed pad (EP) internally connected to GND. This thermally enhanced package supports high-reliability operation in compact, high-temperature PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - MR | Active-low manual reset input | Asserts UV and RESET outputs when pulled low; internal 26kΩ pullup to VCC ensures default high state |
| 2 - OVLATCH | Overvoltage latch control | High = latch OV output; low = clear latch; high-impedance input requires external pullup/pulldown |
| 3 - UV | Active-low undervoltage output | Push-pull configuration; asserts low when VCC or VCC2 falls below respective UVTH |
| 4 - OV | Active-low overvoltage output | Open-drain configuration; asserts low when VCC or VCC2 exceeds respective OVTH; latched per OVLATCH |
| 5 - SET | Threshold window select | Bias to VCC/2 for ±15% window; determines hysteresis and trip points for both rails |
| 6 - VCC2 | Secondary supply input | Monitored 1.8V rail input; also powers device when VCC2 > VCC; supports adjustable threshold via external divider |
| 7 - GND | Ground reference | Common return for all analog and digital circuitry; EP must be connected to GND for thermal performance |
| 8 - VCC | Primary supply input | Monitored 3.3V rail input and main power source; bypass with 0.1µF capacitor to GND |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneously supervises 3.3V (VCC) and 1.8V (VCC2) rails with separate UV/OV outputs - eliminates need for two discrete supervisors |
| Latched overvoltage output | OVLATCH pin enables persistent fault indication until explicitly cleared - essential for diagnostic logging in automotive ECUs |
| Factory-trimmed dual thresholds | 3.3V/1.8V nominal detection with ±15% window (SET = VCC/2) - reduces BOM count and calibration effort |
| 100ms minimum reset timeout | D3 suffix guarantees ≥100ms RESET assertion after UV recovery - meets JEDEC JESD8-12B microprocessor reset timing requirements |
| AEC-Q100 qualified | Qualified for automotive Grade 1 (-40°C to +125°C) - supports deployment in engine control, ADAS, and body electronics |
Applications
| Power Supply Monitoring in Automotive ECUs | Industrial PLC Dual-Rail Supervision |
|---|---|
Use Scenario: Continuous monitoring of 3.3V microcontroller core and 1.8V I/O supply in engine control units under wide temperature and vibration conditions. IC Role / Device Role / Timing Role: Dual-rail window detector providing immediate UV/OV assertion and latched OV fault flag for ECU safety state management. Use Value: Enables ISO 26262 ASIL-B compliant fail-safe behavior via persistent OV latch and guaranteed 100ms reset hold time. | Use Scenario: Supervising redundant 3.3V logic and 1.8V FPGA configuration rails in programmable logic controllers operating in factory-floor environments. IC Role / Device Role / Timing Role: Independent voltage supervisor with manual reset and latch control for deterministic power-up sequencing and fault isolation. Use Value: Reduces system-level watchdog complexity by integrating dual-rail monitoring, latch, and reset into single TDFN-8 footprint. |
| Telecom Base Station Power Management | Data Center DC-DC Module Health Check |
Use Scenario: Monitoring bias and auxiliary rails in 5G radio unit power supplies where transient immunity and latch-on-fault are required. IC Role / Device Role / Timing Role: Window detector with 300ns transient immunity and OVLATCH-controlled fault persistence for remote diagnostics. Use Value: Prevents false resets during RF switching transients while ensuring overvoltage faults remain flagged until maintenance intervention. | Use Scenario: Verifying correct startup and regulation of point-of-load 3.3V/1.8V converters feeding server ASICs in high-density rack systems. IC Role / Device Role / Timing Role: Dual-supply monitor asserting RESET only after both rails stabilize within ±15% window for ≥100ms. Use Value: Guarantees ASIC initialization occurs only when both core and I/O supplies meet specification, preventing latent configuration errors. |
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 |
|---|---|---|---|
| MAX6761TARAD3+T | Identical pinout, package, and electrical specs; differs only in factory-trimmed VCC2 threshold (1.8V vs. MAX6762's 1.8V) - functionally identical for this variant | No functional difference in 3.3V/1.8V dual-rail supervision; same timeout, latch, and SET behavior | Select MAX6762TARAD3+T when ordering confirmed TA/RA suffix pairing per Analog Devices' ordering guide |
| TPS3808G33DBVR | Single-supply (3.3V only), no VCC2 input or OVLATCH; 200ms timeout; SOT-23-6 package | Lacks dual-rail capability and latch function - requires additional circuitry for 1.8V monitoring and fault persistence | Use only if system monitors only one rail and does not require latched OV reporting |
Compared with MAX6761TARAD3+T, the MAX6762TARAD3+T offers identical dual-supply supervision functionality and automotive qualification; versus TPS3808G33DBVR, it adds essential VCC2 monitoring and hardware latch control-critical for safety-critical dual-rail systems.
Availability
MAX6762TARAD3+T is available at Aetrix Electronics and suitable for automotive electronic control units, industrial programmable logic controllers, telecom base station power management, and data center DC-DC module health checking requiring stable component supply across extended temperature ranges.
Supply support for MAX6762TARAD3+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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The MAX6762TARAD3+T belongs to the MAX6754–MAX6764 family of low-power window detectors, designed specifically for robust, dual-rail power supply supervision in automotive-grade and high-reliability embedded systems.
FAQ
What voltage rails does the MAX6762TARAD3+T monitor?
The MAX6762TARAD3+T monitors two independent supply rails: VCC at 3.3V nominal and VCC2 at 1.8V nominal. Both rails are supervised simultaneously for undervoltage and overvoltage conditions, with factory-trimmed thresholds and ±15% window accuracy when the SET pin is biased to VCC/2. This dual-monitoring capability is integral to the MAX6762TARAD3+T's architecture and enables single-chip supervision of core/I/O voltage pairs.
Does the MAX6762TARAD3+T support latched overvoltage reporting?
Yes, the MAX6762TARAD3+T includes a dedicated OVLATCH pin that enables hardware-controlled latching of the OV output. When OVLATCH is driven high, any overvoltage condition on VCC or VCC2 causes the OV output to latch low and remain asserted until OVLATCH is actively driven low. This feature is intrinsic to the MAX6762TARAD3+T and provides persistent fault indication without software intervention - critical for automotive and industrial safety systems.
What is the reset timeout behavior of the MAX6762TARAD3+T?
The MAX6762TARAD3+T uses the D3 suffix to specify a minimum 100ms reset timeout period. After VCC or VCC2 recovers above its UV threshold, the RESET output remains asserted for 100–320ms before deasserting. This timing is guaranteed over -40°C to +125°C and ensures reliable microprocessor initialization. The timeout is fixed and non-adjustable in the MAX6762TARAD3+T, distinguishing it from D0 (20µs) variants.
Is the MAX6762TARAD3+T qualified for automotive applications?
Yes, the MAX6762TARAD3+T is AEC-Q100 qualified for automotive Grade 1 operation (-40°C to +125°C). Its design includes enhanced ESD protection, transient immunity up to 300ns, and guaranteed parametric performance across the full automotive temperature range. This qualification is documented in the official Analog Devices MAX6754–MAX6764 datasheet and applies specifically to the MAX6762TARAD3+T part number.
What package type and thermal characteristics does the MAX6762TARAD3+T use?
The MAX6762TARAD3+T is packaged in an 8-pin TDFN (3mm × 3mm, 0.75mm height) with exposed pad (EP), designated T833+2 per Analog Devices' package coding. Its multi-layer board thermal resistance is θJA = 41°C/W and θJC = 8°C/W, enabling efficient heat dissipation in high-density automotive and industrial PCB layouts. The EP must be soldered to a GND plane for optimal thermal and electrical performance.
MAX6762TARAD3+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- -
- Number of Voltages Monitored:
- -
- Voltage - Threshold:
- -
- Output:
- -
- Reset:
- -
- Reset Timeout:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX6762TARAD3+T FAQ
1.How can I place an order for MAX6762TARAD3+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6762TARAD3+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 MAX6762TARAD3+T reliable?
The price and inventory of MAX6762TARAD3+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6762TARAD3+T is usually 5 days.
3.What payment methods are accepted for MAX6762TARAD3+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6762TARAD3+T transactions.
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4.How is shipping managed for MAX6762TARAD3+T?
MAX6762TARAD3+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6762TARAD3+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 MAX6762TARAD3+T?
For technical support, including MAX6762TARAD3+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6762TARAD3+T requirements.
6.How does Aetrix verify that MAX6762TARAD3+T is sourced from the original manufacturer or authorized distributors?
All MAX6762TARAD3+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 MAX6762TARAD3+T meets industry standards.
7.What is the process for return or replacement of MAX6762TARAD3+T?
All MAX6762TARAD3+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6762TARAD3+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 MAX6762TARAD3+T part is unused and in its original packaging.
Return procedure for MAX6762TARAD3+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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