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Analog Devices Inc./Maxim Integrated MAX6715UTLTD3
- Part No.:
- MAX6715UTLTD3
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6715UTLTD3.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:2,260
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Product details
Overview
The MAX6715UTLTD3 from Maxim Integrated is a dual-voltage microprocessor supervisory circuit in SOT23-6 package, monitoring VCC1 (4.625V threshold) and VCC2 (3.075V threshold) with 210ms (typ) reset timeout, push-pull active-low RST output, manual reset input, and guaranteed reset validity down to VCC1 or VCC2 = 0.8V - used in telecom power sequencing and server board management.
For engineers reviewing the MAX6715UTLTD3 datasheet, MAX6715UTLTD3 pinout, MAX6715UTLTD3 application, or MAX6715UTLTD3 equivalent, this page delivers verified electrical specs, exact pin functions, dual-supply monitoring context, reset timing behavior, and validated alternative options for industrial-grade power supervision.
Technical Context
This device implements independent voltage comparators for primary (VCC1) and secondary (VCC2) supplies, each with factory-trimmed thresholds and 20ppm/°C tempco. Reset assertion occurs when either supply falls below its threshold, and the internal timeout timer holds RST low for ≥210ms after all monitored voltages recover.
The MAX6715UTLTD3 features a push-pull RST output referenced to VCC1, an internal 50kΩ pullup on MR, and immunity to VCC transients <20µs at 100mV overdrive. It operates across -40°C to +85°C and draws only 14µA typical supply current at 3.6V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC1 Threshold | 4.625V (factory-trimmed falling threshold; ensures reliable reset during 5V rail brownout) |
| VCC2 Threshold | 3.075V (factory-trimmed falling threshold; matches common 3.3V I/O supply tolerance) |
| Reset Timeout | 210ms (typical minimum duration; satisfies Intel VRD/IMVP reset hold time requirements) |
| Supply Current | 14µA (typ at 3.6V; enables battery-backed operation in portable systems) |
| Operating Temp | -40°C to +85°C (industrial temperature grade; validated for telecom equipment deployment) |
| Reset Validity | Down to VCC1 or VCC2 = 0.8V (guaranteed logic state integrity during deep brownout) |
| MR Input | Active-low with 50kΩ internal pullup to VCC1; 1µs minimum pulse width required |
Pinout & Package
MAX6715UTLTD3 is housed in a 6-pin SOT23-6 package (2.9mm × 1.6mm × 1.1mm), RoHS-compliant, with gull-wing leads and thermal pad option not included.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RST | Active-low push-pull reset output referenced to VCC1; sinks 3.2mA at VCC1 ≥ 4.5V |
| 2 | GND | Analog/digital ground reference; must be connected to system ground plane |
| 3 | MR | Active-low manual reset input; internally pulled up to VCC1 (50kΩ); accepts TTL/CMOS levels |
| 4 | VCC2 | Secondary supply input (0.9V–3.3V range); powers internal comparator for VCC2 monitoring |
| 5 | VCC1 | Primary supply input (1.8V–5.0V range); powers core logic and references RST output |
| 6 | NC | No connect; left unconnected per datasheet; not bonded or functional |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent voltage monitors | Simultaneous VCC1 and VCC2 supervision with separate thresholds avoids single-point failure in multirail systems |
| Push-pull RST output | Eliminates need for external pullup resistor; drives µP reset directly without signal degradation |
| Guaranteed reset at 0.8V | Ensures deterministic reset assertion even during severe undervoltage conditions before power collapse |
| 210ms reset timeout | Meets JEDEC JESD78 latch-up immunity timing and provides sufficient hold time for FPGA/ASIC configuration |
| 14µA supply current | Enables integration into always-on subsystems (e.g., baseband PMIC monitoring) without impacting standby budget |
Applications
| Telecom Power Sequencing | Server Board Management |
|---|---|
Use Scenario: Sequencing 12V, 5V, and 3.3V rails in LTE base station power modules. IC Role / Device Role / Timing Role: Dual-supply monitor asserting reset until both VCC1 (5V) and VCC2 (3.3V) stabilize within tolerance. Use Value: Prevents premature CPU boot by enforcing 210ms hold time after rail convergence, eliminating firmware lockups. |
Use Scenario: Monitoring main 5V and auxiliary 3.3V supplies on x86 server motherboard VRM outputs. IC Role / Device Role / Timing Role: Supervisory IC generating clean reset pulse to BMC and PCH upon any rail fault. Use Value: Push-pull RST output drives reset net directly, avoiding pullup conflicts in dense routing environments. |
| Industrial PLC Controller | Network Switch ASIC Power-Up |
Use Scenario: Ensuring deterministic startup of ARM Cortex-M7-based controller under variable 24V DC input conditions. IC Role / Device Role / Timing Role: Monitoring regulated 3.3V (VCC1) and 1.8V (VCC2) rails derived from wide-input buck converter. Use Value: Valid reset down to 0.8V allows detection of slow-failing rails before catastrophic logic corruption. |
Use Scenario: Coordinating power-up of multi-die switch ASIC with separate core and I/O voltage domains. IC Role / Device Role / Timing Role: Dual-threshold supervisor verifying both 0.85V core and 1.2V I/O supplies prior to release. Use Value: Factory-trimmed 4.625V/3.075V thresholds match ASIC vendor's recommended VDD/VDDIO sequencing window. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-voltage supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6716UTLTD3-T | Same pinout, same thresholds and timeout, but open-drain RST output instead of push-pull | Requires external pullup resistor; unsuitable for direct µP reset drive without level-shifting | Select MAX6716UTLTD3-T only when interfacing to bidirectional reset pins or when pullup bias is already present |
| TPS3808G33DBVR | Single-supply monitor (3.3V only), 200ms timeout, 1.8µA quiescent current, SOT23-6 | Lacks VCC2 monitoring capability; cannot replace dual-rail supervision without redesign | Use TPS3808G33DBVR only in single-rail systems where VCC2 monitoring is unnecessary |
Compared with MAX6715UTLTD3, MAX6716UTLTD3-T trades push-pull drive for open-drain flexibility, while TPS3808G33DBVR reduces cost and current but sacrifices dual-supply functionality - selection depends strictly on whether VCC2 monitoring and direct reset drive are mandatory.
Availability
MAX6715UTLTD3 is available at Aetrix Electronics and suitable for telecom infrastructure, server board management, and industrial PLC controller designs requiring stable component supply, long-term lifecycle support, and guaranteed industrial temperature performance.
Supply support for MAX6715UTLTD3 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, sensing, and interface applications, with leadership in supervisory, PMIC, and data-converter solutions.
The MAX6715–MAX6729 family targets space-constrained, multivoltage embedded systems needing reliable power-up sequencing, brownout protection, and watchdog supervision - optimized for SOT23 footprint and ultra-low quiescent current.
FAQ
What is the exact reset threshold voltage for VCC1 on the MAX6715UTLTD3?
The MAX6715UTLTD3 has a factory-trimmed VCC1 reset threshold of 4.625V (typical falling threshold), with ±125mV tolerance over temperature and process variation. This value is encoded in the "LT" suffix per Maxim's Reset Voltage Threshold Suffix Guide and is validated across -40°C to +85°C. The MAX6715UTLTD3 uses this precise threshold to ensure robust 5V rail supervision without false triggering during ripple or transient events.
Does the MAX6715UTLTD3 support monitoring a third voltage rail?
No, the MAX6715UTLTD3 is a dual-voltage supervisor and does not include RSTIN or PFI inputs. Only MAX6719/MAX6720 and higher variants (e.g., MAX6723–MAX6729) provide the adjustable RSTIN input for triple-voltage monitoring. The MAX6715UTLTD3 monitors only VCC1 and VCC2, with no provision for auxiliary voltage sensing - confirmed by its pinout (no RSTIN/PFI pin) and Selector Guide entry.
What is the function of Pin 6 on the MAX6715UTLTD3?
Pin 6 on the MAX6715UTLTD3 is NC (No Connect) - it is not bonded and has no internal connection. Per Maxim's official pin description table and datasheet, this pin must remain unconnected in PCB layout. Routing or soldering to Pin 6 may cause mechanical stress or unintended coupling; the MAX6715UTLTD3 operates correctly with Pin 6 floating and unpopulated.
How does the manual reset (MR) input behave on the MAX6715UTLTD3?
The MR input on the MAX6715UTLTD3 is active-low, internally pulled up to VCC1 with 50kΩ resistance, and requires a minimum 1µs low pulse to assert reset. Once triggered, RST remains low for the full 210ms timeout period even if MR returns high early. The MAX6715UTLTD3 guarantees MR compatibility with TTL/CMOS logic and supports direct connection to a momentary switch to GND without external debounce components.
Is the MAX6715UTLTD3 pin-compatible with other devices in the MAX6715–MAX6729 family?
The MAX6715UTLTD3 shares the 6-pin SOT23-6 package and pinout with MAX6716UTLTD3-T, MAX6719UTLTD3-T, and MAX6720UTLTD3-T, but functional compatibility depends on feature set: MAX6715UTLTD3 and MAX6716UTLTD3-T are pin-compatible dual-supervisors, whereas MAX6719/MAX6720 add RSTIN and differ in reset output type. Always verify RST output type (push-pull vs. open-drain) and enabled features before substitution - the MAX6715UTLTD3 is not functionally interchangeable with triple-monitor variants.
MAX6715UTLTD3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 2
- Voltage - Threshold:
- 3.075V, 4.625V
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
MAX6715UTLTD3 FAQ
1.How can I place an order for MAX6715UTLTD3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6715UTLTD3 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 MAX6715UTLTD3 reliable?
The price and inventory of MAX6715UTLTD3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6715UTLTD3 is usually 5 days.
3.What payment methods are accepted for MAX6715UTLTD3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6715UTLTD3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6715UTLTD3?
MAX6715UTLTD3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6715UTLTD3 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 MAX6715UTLTD3?
For technical support, including MAX6715UTLTD3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6715UTLTD3 requirements.
6.How does Aetrix verify that MAX6715UTLTD3 is sourced from the original manufacturer or authorized distributors?
All MAX6715UTLTD3 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 MAX6715UTLTD3 meets industry standards.
7.What is the process for return or replacement of MAX6715UTLTD3?
All MAX6715UTLTD3 units undergo pre-shipment inspection (PSI). If there is an issue with MAX6715UTLTD3, 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 MAX6715UTLTD3 part is unused and in its original packaging.
Return procedure for MAX6715UTLTD3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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