Analog Devices Inc./Maxim Integrated MAX6762TAZID0+
- Part No.:
- MAX6762TAZID0+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
MAX6762TAZID0+.pdf
- Description:
- POWER SUPPLY SUPPORT CIRCUIT
- Quantity:
- Payment:

- Shipping:

Inventory:513
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Product details
Overview
The MAX6762TAZID0+ 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)-with ±5% factory-trimmed thresholds, 20µs propagation delay, and latched overvoltage output. It features manual reset input, open-drain UV/OV outputs, and operates across -40°C to +125°C for automotive and industrial power-rail supervision.
For engineers reviewing the MAX6762TAZID0+ datasheet, MAX6762TAZID0+ pinout, MAX6762TAZID0+ application, or MAX6762TAZID0+ equivalent, key selection criteria include dual-supply monitoring capability, latch-enabled OV response, ±5% window accuracy at 3.3V/2.5V, 20µs fast assertion timing, and TDFN-8 lead-free packaging compatibility with high-reliability embedded systems.
Technical Context
The MAX6762TAZID0+ implements independent analog comparators for VCC and VCC2, each referencing a precision internal bandgap to generate UVTH and OVTH thresholds. Its SET pin configures window tolerance (±5% in this variant), while OVLATCH enables persistent OV fault signaling until cleared externally.
This device integrates a manual reset circuit with 26kΩ internal pull-up and guarantees correct output logic states down to VCC = 1.0V. The latched OV function responds to either rail's overvoltage condition and remains asserted until OVLATCH is actively driven low after fault removal.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Nominal Voltage | 3.3V - primary monitored supply; sets default UV/OV thresholds per factory trim |
| VCC2 Nominal Voltage | 2.5V - secondary monitored supply; independently triggers UV/OV outputs |
| Window Tolerance | ±5% - configured by SET = GND; defines hysteresis band around nominal thresholds |
| Reset Timeout Option | D0 (20µs typ) - fast propagation delay ensures immediate system response to faults |
| Supply Current (ICC) | 13µA typ at 3.6V - ultra-low quiescent current enables battery-backed or always-on monitoring |
| Operating Temperature | -40°C to +125°C - qualified for under-hood automotive and industrial environments |
| Output Configuration | Open-drain UV and OV - supports wired-OR fault bus and flexible voltage-level interfacing |
Pinout & Package
MAX6762TAZID0+ is housed in an 8-pin TDFN-EP package (3mm × 3mm, 0.75mm height) with exposed pad thermally and electrically connected to GND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCC | Main power input and first monitored voltage rail (3.3V nominal) |
| 2 | GND | Ground reference for all internal circuits and outputs |
| 3 | VCC2 | Second monitored voltage rail (2.5V nominal); powers internal comparator for dual-rail detection |
| 4 | MR | Active-low manual reset input; internally pulled up to VCC (26kΩ); asserts UV/OV on low pulse ≥4µs |
| 5 | SET | Threshold window select; tied to GND for ±5% window; determines hysteresis width |
| 6 | UV | Active-low open-drain undervoltage output; asserts when VCC < UVTH or VCC2 < UVTH2 |
| 7 | OVLATCH | Overvoltage latch control; high = latch OV, low = clear latch; high-impedance input requiring external bias |
| 8 | OV | Active-low open-drain overvoltage output; latched when OVLATCH = high; asserts on VCC > OVTH or VCC2 > OVTH2 |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneously supervises VCC (3.3V) and VCC2 (2.5V) with separate UV/OV outputs-enables fault isolation in multi-rail systems |
| Latched overvoltage output | OVLATCH pin allows persistent OV fault signaling until explicitly cleared-critical for safety-critical shutdown sequences |
| Manual reset with internal pull-up | MR pin includes 26kΩ internal pull-up to VCC-reduces BOM count and simplifies push-button reset implementation |
| Fast 20µs fault response | D0 timeout option delivers sub-microsecond assertion-meets real-time protection requirements in DC-DC and processor domains |
| Extended temperature operation | Specified from -40°C to +125°C-validates performance in automotive engine compartments and industrial control cabinets |
| Low 13µA supply current | Enables continuous monitoring in energy-constrained applications such as battery-backed telemetry and remote sensors |
Applications
| Automotive Power Management | Industrial PLC I/O Modules |
|---|---|
Use Scenario: Monitoring core and I/O supply rails in engine control units (ECUs) where voltage transients may cause microprocessor lockup. IC Role / Device Role / Timing Role: Dual-rail supervisor asserting latched OV on 12V-derived 3.3V and 5V-regulated 2.5V rails during load-dump events. Use Value: Prevents unsafe operation by triggering controlled shutdown via SCR/fuse circuit before overvoltage damages MCU or CAN transceivers. |
Use Scenario: Supervising isolated 24V-to-3.3V and 24V-to-2.5V DC-DC converters powering FPGA and analog front-end in programmable logic controllers. IC Role / Device Role / Timing Role: Fault detector generating separate UV/OV signals with 20µs response to converter failure, feeding watchdog timer inputs. Use Value: Enables deterministic fail-safe state transition without software intervention-meeting SIL-2 functional safety requirements. |
| Telecom Base Station Power | Medical Imaging Power Sequencing |
Use Scenario: Validating redundant 48V-derived 3.3V and 2.5V supplies feeding RF transceiver ASICs and memory subsystems. IC Role / Device Role / Timing Role: Dual-threshold window detector asserting open-drain UV/OV outputs to FPGA-based power sequencer upon rail deviation. Use Value: Eliminates false resets during brief brownouts by leveraging ±5% hysteresis and latched OV for sustained fault reporting. |
Use Scenario: Ensuring stable 3.3V and 2.5V rails are within spec before enabling high-voltage X-ray generator subsystems. IC Role / Device Role / Timing Role: Safety-critical supervisor providing independent UV confirmation on both rails prior to power-up enable signal release. Use Value: Guarantees power integrity before high-energy subsystem activation-reducing risk of hardware damage or patient exposure errors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-voltage window detection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6761TAZID0+ | Identical pinout, package, and electrical specs; differs only in output configuration-push-pull UV instead of open-drain | Requires level-shifting or pull-up resistors when interfacing with shared fault buses; less suitable for wired-OR architectures | Select MAX6761TAZID0+ only when push-pull drive strength is required and bus topology permits direct connection |
| TPS3808G33DBVR | Single-supply (3.3V only), no VCC2 input; lacks latched OV and OVLATCH pin; ±2% threshold accuracy vs. ±5% | Cannot supervise dual rails simultaneously; unsuitable for systems requiring independent VCC/VCC2 fault reporting | Choose TPS3808G33DBVR only for cost-sensitive single-rail applications where latch functionality is unnecessary |
Compared with MAX6761TAZID0+, the MAX6762TAZID0+ provides open-drain UV for flexible bus interfacing; compared with TPS3808G33DBVR, it adds critical dual-rail monitoring and fault latching-making it uniquely suited for safety- and reliability-critical multi-supply systems.
Availability
MAX6762TAZID0+ is available at Aetrix Electronics and suitable for automotive power management, industrial PLC I/O modules, and telecom base station power requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX6762TAZID0+ 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 demanding industrial, automotive, and communications applications.
The MAX6762TAZID0+ belongs to the MAX6754–MAX6764 family of low-power window detectors engineered specifically for robust dual-rail power-supply supervision in harsh environments with minimal footprint and current consumption.
FAQ
What voltage rails does the MAX6762TAZID0+ monitor?
The MAX6762TAZID0+ monitors two independent voltage rails: VCC at 3.3V nominal and VCC2 at 2.5V nominal. Both rails are supervised simultaneously for undervoltage and overvoltage conditions using dedicated internal comparators referenced to factory-trimmed thresholds. This dual-monitoring capability enables fault isolation in systems with multiple regulated supplies, such as automotive ECUs or industrial controllers.
Does the MAX6762TAZID0+ support latched overvoltage reporting?
Yes, the MAX6762TAZID0+ supports latched overvoltage reporting via its OVLATCH pin. When OVLATCH is driven high, the OV output remains asserted even after the overvoltage condition clears, providing persistent fault indication until OVLATCH is actively pulled low. This behavior is confirmed in the device's functional diagram and timing specifications, making MAX6762TAZID0+ suitable for safety-critical shutdown sequencing.
What is the meaning of the 'D0' suffix in MAX6762TAZID0+?
The 'D0' suffix in MAX6762TAZID0+ denotes the 20µs typical reset timeout period option. Unlike the D3 variant (100ms minimum), D0 provides ultra-fast propagation delay-ensuring immediate assertion of UV and OV outputs upon threshold violation. This timing characteristic is specified in the Electrical Characteristics table and validated across the full -40°C to +125°C operating range.
Is the MAX6762TAZID0+ compatible with lead-free PCB assembly?
Yes, the MAX6762TAZID0+ uses lead-free packaging, indicated by the '+' suffix in its orderable part number. It is qualified for reflow soldering at +260°C (per JEDEC J-STD-020), matching standard lead-free process requirements. The TDFN-EP package includes an exposed pad internally connected to GND, which must be soldered to a thermal pad on the PCB for optimal thermal performance and electrical stability.
How does the SET pin configure the window tolerance on the MAX6762TAZID0+?
On the MAX6762TAZID0+, the SET pin configures window tolerance by voltage level: tying SET to GND selects ±5%, connecting to VCC selects ±10%, and biasing to VCC/2 selects ±15%. For this specific part (TAZID0+), SET is hardwired to GND in the application circuit, fixing the window at ±5% around the 3.3V and 2.5V nominal thresholds. This configuration is documented in Tables 1 and 2 of the datasheet and verified in the Pin Description section.
MAX6762TAZID0+ 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:
- 1.5V, 2.5V
- Output:
- Open Drain, Push-Pull
- Reset:
- Active Low
- Reset Timeout:
- 20µs Typical
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TDFN-EP (3x3)
MAX6762TAZID0+ FAQ
1.How can I place an order for MAX6762TAZID0+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6762TAZID0+ 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 MAX6762TAZID0+ reliable?
The price and inventory of MAX6762TAZID0+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6762TAZID0+ is usually 5 days.
3.What payment methods are accepted for MAX6762TAZID0+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6762TAZID0+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6762TAZID0+?
MAX6762TAZID0+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6762TAZID0+ 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 MAX6762TAZID0+?
For technical support, including MAX6762TAZID0+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6762TAZID0+ requirements.
6.How does Aetrix verify that MAX6762TAZID0+ is sourced from the original manufacturer or authorized distributors?
All MAX6762TAZID0+ 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 MAX6762TAZID0+ meets industry standards.
7.What is the process for return or replacement of MAX6762TAZID0+?
All MAX6762TAZID0+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX6762TAZID0+, 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 MAX6762TAZID0+ part is unused and in its original packaging.
Return procedure for MAX6762TAZID0+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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