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Analog Devices Inc./Maxim Integrated MAX6760TARAD3+
- Part No.:
- MAX6760TARAD3+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
MAX6760TARAD3+.pdf
- Description:
- IC SUPERVISOR DL VOLT WINDOW DET
- Quantity:
- Payment:
- Shipping:
Inventory:2,016
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Product details
Overview
MAX6760TARAD3+ from Maxim Integrated is a dual-voltage window detector IC that monitors both VCC (3.3V nominal) and VCC2 (1.8V nominal) supply rails for undervoltage/overvoltage faults, with ±5% threshold window, 100ms minimum reset timeout, latched overvoltage output, manual reset input, and operation from -40°C to +125°C. It is used in microprocessor power supervision for telecom and industrial embedded systems.
For engineers reviewing the MAX6760TARAD3+ datasheet, MAX6760TARAD3+ pinout, MAX6760TARAD3+ application, or MAX6760TARAD3+ equivalent, key selection criteria include dual-rail monitoring capability, factory-trimmed thresholds, latched OV behavior, TDFN-8 package compatibility, and extended temperature support for harsh environments.
Technical Context
The MAX6760TARAD3+ implements two independent voltage comparators with internal reference and programmable hysteresis (0.7%), where VCC is monitored at 3.3V ±5% and VCC2 at 1.8V ±5%. Its OVLATCH pin enables persistent overvoltage fault signaling until cleared externally.
It features a manual reset input (MR) with 26kΩ internal pullup and 4µs minimum pulse width, and supports push-pull UV and open-drain OV outputs. The device asserts RESET/UV when either rail violates its threshold and maintains assertion for ≥100ms after recovery.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Monitoring Voltage | 3.3V nominal, ±5% window (3.135V–3.465V UV/OV thresholds) |
| VCC2 Monitoring Voltage | 1.8V nominal, ±5% window (1.710V–1.890V UV/OV thresholds) |
| Reset Timeout Period | 100ms minimum - ensures stable µP boot after power recovery |
| Supply Current (ICC) | 13µA typical at 3.6V - enables ultra-low-power system supervision |
| Operating Temperature | -40°C to +125°C - qualified for automotive under-hood and industrial control use |
| Output Types | Push-pull UV, open-drain OV, active-low MR - supports direct µP interface without external pullups |
| Threshold Hysteresis | 0.7% - prevents chatter during slow-moving or noisy supply transitions |
Pinout & Package
MAX6760TARAD3+ is housed in an 8-pin TDFN package (3mm × 3mm, 0.75mm height) with exposed pad (EP) internally connected to GND. Pin 1 is marked by a dot; EP must be soldered to PCB ground for thermal and electrical performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VCC | Power Input & Primary Monitor Rail | Powers device and supplies 3.3V nominal monitored voltage; valid down to 1.0V for output assertion |
| 2 - GND | Ground Reference | Common return for all analog/digital circuitry; connects to EP |
| 3 - VCC2 | Secondary Monitor Rail Input | Inputs 1.8V nominal supply for dual-rail supervision; not powered from VCC |
| 4 - UV | Undervoltage Output | Active-low push-pull output asserting when VCC or VCC2 falls below UVTH |
| 5 - OV | Overvoltage Output | Active-low open-drain output asserting when VCC or VCC2 exceeds OVTH; latched via OVLATCH |
| 6 - MR | Manual Reset Input | Active-low input with 26kΩ internal pullup; initiates UV/RESET assertion on falling edge |
| 7 - OVLATCH | Latch Control Input | High = latch OV output during overvoltage; low = clear latch; high-impedance, requires external bias |
| 8 - SET | Window Threshold Select | Connected to GND for ±5% window (as configured in TARA suffix) |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitoring | Simultaneously supervises 3.3V I/O and 1.8V core rails - eliminates need for two discrete supervisors |
| Latched overvoltage output | OVLATCH pin enables persistent fault flagging until system firmware explicitly clears - critical for safety-critical diagnostics |
| Factory-trimmed thresholds | No external resistors needed for 3.3V/1.8V monitoring - reduces BOM count and layout area vs. adjustable alternatives |
| 100ms reset timeout | Guaranteed minimum delay before deassertion ensures reliable µP initialization after brownout recovery |
| Extended temperature operation | Specified from -40°C to +125°C - supports deployment in engine control units and industrial PLCs |
| Low 13µA supply current | Enables always-on supervision in battery-backed or energy-harvesting systems without significant drain |
Applications
| Telecom Power Management | Industrial Microcontroller Supervision |
|---|---|
Use Scenario: Monitoring dual DC-DC outputs (3.3V I/O and 1.8V core) in 5G base station radio units subject to thermal cycling and load transients. IC Role / Device Role / Timing Role: Dual-rail supervisor providing synchronized UV/OV detection and latched OV fault reporting to FPGA-based system manager. Use Value: Prevents corrupted firmware execution by holding µP in reset until both rails stabilize post-transient, with latch enabling root-cause logging. |
Use Scenario: Power sequencing and fault detection in programmable logic controller (PLC) CPU modules operating in factory-floor environments. IC Role / Device Role / Timing Role: Primary voltage monitor asserting UV/RESET on any rail failure, with MR enabling hardware-initiated safe shutdown. Use Value: Ensures deterministic fail-safe state during voltage sags caused by motor switching noise, meeting IEC 61000-4-4 immunity requirements. |
| Automotive ADAS Domain Controller | Server Board Management |
Use Scenario: Supervising 3.3V sensor interface and 1.8V SoC core supplies in radar processing unit exposed to under-hood temperatures up to +125°C. IC Role / Device Role / Timing Role: High-temp qualified dual-supervisor with latched OV output for ASIL-B relevant diagnostics per ISO 26262. Use Value: Enables fault containment by triggering watchdog timeout only after confirmed sustained overvoltage - avoids false trips from ESD events. |
Use Scenario: Redundant power rail monitoring on enterprise server motherboard where 3.3V standby and 1.8V memory rails require coordinated reset sequencing. IC Role / Device Role / Timing Role: Dual-rail detector feeding BMC via dedicated UV/OV lines, with 100ms timeout aligning to UEFI POST timing windows. Use Value: Eliminates need for software polling of rail voltages - reduces BMC firmware complexity and boot latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-voltage supervisor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6761TARAD3+ | Identical pinout, specs, and marking; differs only in top-mark code (AEJU vs AEJT) - same die, alternate assembly lot | No functional difference; interchangeable in all designs | Select when MAX6760TARAD3+ is out-of-stock but MAX6761TARAD3+ is available with identical lead time |
| TPS3808G33DBVR | Single-rail 3.3V supervisor (no VCC2 input); 200ms timeout; no OVLATCH; SOT-23-6 package | Cannot monitor dual rails; lacks latch function; requires separate 1.8V supervisor for full coverage | Only suitable if system redesign accommodates two single-rail devices and accepts loss of OV latch capability |
Compared with MAX6760TARAD3+, MAX6761TARAD3+ offers identical functionality and drop-in compatibility, while TPS3808G33DBVR requires board-level changes and sacrifices dual-rail integration and fault latching - making it a partial functional substitute only.
Availability
MAX6760TARAD3+ is available at Aetrix Electronics and suitable for telecom infrastructure, industrial PLCs, and automotive ADAS domain controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX6760TARAD3+ 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 MAX6754–MAX6764 family delivers low-power, high-accuracy voltage supervision for multi-rail systems, with emphasis on extended temperature operation, latch functionality, and minimal external components.
FAQ
What voltage rails does the MAX6760TARAD3+ monitor?
The MAX6760TARAD3+ monitors two independent supply rails: VCC at 3.3V nominal (±5% window) and VCC2 at 1.8V nominal (±5% window). These thresholds are factory-trimmed and fixed per the "TARA" suffix - no external resistor network is required. Both rails are supervised simultaneously, and violation of either triggers the respective UV or OV output.
Does the MAX6760TARAD3+ support latched overvoltage detection?
Yes, the MAX6760TARAD3+ includes an OVLATCH pin (Pin 7) that enables latched overvoltage reporting. When OVLATCH is driven high, the OV output remains asserted even after the overvoltage condition clears, until OVLATCH is pulled low. This behavior is confirmed in the functional diagram (Figure 3) and Electrical Characteristics table for MAX6760/MAX6761/MAX6762 variants.
What is the reset timeout period for the MAX6760TARAD3+?
The MAX6760TARAD3+ has a D3 timeout suffix, specifying a minimum reset timeout period of 100ms. This is verified in Table 3 (Timeout Period Suffix Guide) and the Electrical Characteristics section, where tRP is listed as 100ms (min), 185ms (typ), and 320ms (max) over temperature. The timeout begins after VCC/VCC2 recover above UVTH or below OVTH.
Can the MAX6760TARAD3+ operate with VCC below 3.3V?
Yes, the MAX6760TARAD3+ operates with VCC as low as 1.0V while maintaining correct output logic states - though voltage monitoring requires VCC ≥ 1.4V per Note 2 in the Electrical Characteristics. Below 1.4V, the internal reference is inactive, but RESET and UV outputs remain asserted in their fault state, ensuring fail-safe behavior during deep brownouts.
What package type is used for the MAX6760TARAD3+?
The MAX6760TARAD3+ uses an 8-pin TDFN package (3mm × 3mm, 0.75mm height) with exposed pad (EP), as confirmed in the Ordering Information table (page 16) and Pin Configurations section. The "+" suffix denotes lead-free RoHS-compliant packaging, and the EP must be soldered to PCB ground for thermal dissipation and noise immunity.
MAX6760TARAD3+ 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:
- Power Supply Monitor
- Number of Voltages Monitored:
- 2
- Voltage - Threshold:
- 3V, Adj
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active Low
- Reset Timeout:
- 100ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TDFN-EP (3x3)
MAX6760TARAD3+ FAQ
1.How can I place an order for MAX6760TARAD3+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6760TARAD3+ 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 MAX6760TARAD3+ reliable?
The price and inventory of MAX6760TARAD3+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6760TARAD3+ is usually 5 days.
3.What payment methods are accepted for MAX6760TARAD3+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6760TARAD3+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6760TARAD3+?
MAX6760TARAD3+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6760TARAD3+ 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 MAX6760TARAD3+?
For technical support, including MAX6760TARAD3+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6760TARAD3+ requirements.
6.How does Aetrix verify that MAX6760TARAD3+ is sourced from the original manufacturer or authorized distributors?
All MAX6760TARAD3+ 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 MAX6760TARAD3+ meets industry standards.
7.What is the process for return or replacement of MAX6760TARAD3+?
All MAX6760TARAD3+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX6760TARAD3+, 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 MAX6760TARAD3+ part is unused and in its original packaging.
Return procedure for MAX6760TARAD3+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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