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Analog Devices Inc./Maxim Integrated MAX16000ETC+T
- Part No.:
- MAX16000ETC+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- 12-WQFN Exposed Pad
- Datasheet:
-
MAX16000ETC+T.pdf
- Description:
- IC SUPERVISOR 4 CHANNEL 12TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,766
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Product details
Overview
The MAX16000ETC+T from Maxim Integrated is a low-voltage, quad-voltage microprocessor supervisor IC in a 12-pin TQFN (4mm × 4mm) package. It monitors four independent supply rails-3.3V, 2.5V, adjustable, and 1.8V-with fixed or user-selectable 5%/10% threshold tolerance, delivers open-drain outputs with internal 30µA pullups, and provides a minimum 140ms reset timeout. It is used in multivoltage ASIC power sequencing for server and storage equipment.
For engineers reviewing the MAX16000ETC+T datasheet, MAX16000ETC+T pinout, MAX16000ETC+T application, or MAX16000ETC+T equivalent, key selection criteria include its quad-rail monitoring capability, internal pullup elimination of external resistors, capacitor-adjustable reset timeout, manual reset input with 20kΩ internal pullup, and guaranteed operation down to VCC = 1V for brownout resilience.
Technical Context
The MAX16000ETC+T implements independent voltage monitoring per rail with hysteresis (0.5% of threshold), supports margin testing via active-low MARGIN input, and uses a TOL pin to select 5% or 10% threshold accuracy. Its RESET output asserts when any monitored voltage falls below its threshold or MR is pulled low, remaining asserted for ≥140ms after recovery.
All six monitored inputs (IN1–IN4) feature sub-100nA input current for adjustable thresholds and ≤16µA for fixed thresholds, enabling high-impedance sensing without loading sensitive supplies. The device operates across –40°C to +125°C and guarantees correct logic state down to VCC = 1V, supporting robust startup and brownout detection in automotive-grade thermal environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Monitored Voltages | Four rails: IN1 = 3.3V, IN2 = 2.5V, IN3 = adjustable (0.366–0.400V), IN4 = 1.8V - enables precise multirail ASIC power validation |
| Reset Timeout | Min 140ms (SRT = VCC); adjustable up to ~3.92ms with 1500pF capacitor - ensures reliable processor initialization timing |
| Supply Voltage Range | VCC = 1.0V to 5.5V - supports operation during deep brownout and compatibility with 1.2V–5V systems |
| Input Threshold Accuracy | ±5% (TOL = GND) or ±10% (TOL = VCC) - selectable tolerance simplifies design margining |
| Output Type | Open-drain with internal 30µA pullup - eliminates need for external pullup resistors on all OUT_ and RESET pins |
| Operating Temperature | –40°C to +125°C - qualified for industrial and extended-temperature embedded applications |
| Supply Current | 45–65µA at VCC = 3.3V - ultra-low quiescent current extends system standby life |
Pinout & Package
Package: 12-pin TQFN (4mm × 4mm), exposed pad (EP) internally connected to GND. Thermal pad must be soldered to PCB ground plane for optimal junction-to-board thermal resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 10, 11 | IN1–IN4 | Independent monitored supply inputs; each triggers dedicated output on undervoltage |
| 3 | GND | Ground reference for all analog and digital circuitry; EP connects internally |
| 4 | VCC | Unmonitored bias supply; requires 0.1µF bypass capacitor to GND |
| 5, 6, 8, 9 | OUT1–OUT4 | Open-drain outputs asserting low on respective INx undervoltage; 30µA internal pullup to VCC |
| 7 | MARGIN | Active-low deassert control; pulls all outputs high regardless of input conditions |
| 12 | TOL | Selects 5% (GND) or 10% (VCC) threshold tolerance for all monitored inputs |
Key Features
| Feature | Design Value |
|---|---|
| Quad independent voltage monitors | Enables simultaneous validation of 3.3V, 2.5V, 1.8V, and one adjustable rail - no shared reset assertion masking individual rail faults |
| Internal 30µA pullups on all outputs | Eliminates four external pullup resistors, reducing BOM count and board area in space-constrained designs |
| Capacitor-adjustable reset timeout | Supports precise timing tuning from 140ms to >3ms using SRT-to-GND capacitor - replaces fixed RC networks |
| Margin enable function | Allows safe deassertion of all outputs during production margin testing without altering supply voltages |
| Guaranteed operation down to VCC = 1V | Ensures correct logic state and fault reporting even during severe brownout - critical for fail-safe shutdown |
Applications
| Server Power Sequencing | Storage Equipment Monitoring |
|---|---|
Use Scenario: Validating correct ramp-up order and stability of CPU core, I/O, memory, and auxiliary rails in dual-socket servers. IC Role / Device Role / Timing Role: Quad-rail supervisor providing independent OUTx signals per rail and unified RESET for system-wide hold-off. Use Value: Prevents premature CPU release by detecting undervoltage on any rail before reset deassertion, improving boot reliability. | Use Scenario: Monitoring multiple voltage domains (3.3V SATA interface, 1.8V NVMe controller, 2.5V cache, adjustable 1.2V core) in enterprise SSDs. IC Role / Device Role / Timing Role: Independent voltage monitor with margin enable for production test and field-failure diagnostics. Use Value: Enables real-time rail health reporting without adding external comparators or ADC overhead. |
| Networking ASIC Power Validation | Industrial Multivoltage Control Systems |
Use Scenario: Ensuring stable 3.3V PHY, 2.5V SerDes, 1.8V MAC, and adjustable 1.2V DSP supply before FPGA configuration in telecom line cards. IC Role / Device Role / Timing Role: Fault-isolating supervisor with TOL-selectable accuracy for varying design margin requirements. Use Value: Reduces false resets caused by minor supply ripple while maintaining sensitivity to true failure conditions. | Use Scenario: Supervising programmable logic controller (PLC) power rails including 5V backplane, 3.3V MCU, 2.5V ADC, and 1.8V FPGA I/O banks. IC Role / Device Role / Timing Role: Industrial-grade supervisor with –40°C to +125°C operation and brownout resilience down to 1V. Use Value: Guarantees deterministic reset behavior under wide ambient temperature swings and unstable mains-derived supplies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad-voltage supervisor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX16001ETC+T | Includes watchdog timer (1.6s timeout) and RESET output only (no independent OUTx); same pinout and monitoring thresholds | Required where system-level watchdog supervision is needed alongside voltage monitoring | Select MAX16001ETC+T if watchdog functionality is mandatory; otherwise MAX16000ETC+T reduces complexity and cost |
| TPS3808G33DBVR | Single 3.3V supervisor with 200ms fixed timeout; no multi-rail or adjustable threshold capability | Suitable only for single-rail monitoring; lacks quad independence and margin enable | Use only when monitoring one rail; MAX16000ETC+T is required for concurrent 4-rail validation |
Compared with MAX16001ETC+T, the MAX16000ETC+T trades watchdog capability for full independent output control per rail - essential for fault isolation. Compared with TPS3808G33DBVR, it adds three additional monitored rails, adjustable thresholds, and margin enable - making it uniquely suited for complex multivoltage ASIC platforms.
Availability
MAX16000ETC+T is available at Aetrix Electronics and suitable for server power sequencing, storage equipment monitoring, and networking ASIC power validation requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for MAX16000ETC+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, mixed-signal, and power management ICs for demanding industrial, communications, and computing applications.
The MAX16000–MAX16007 family was engineered specifically for complex multivoltage systems requiring independent rail supervision, margin testing support, and guaranteed operation under brownout - targeting high-reliability server, storage, and telecom infrastructure.
FAQ
What voltage rails does the MAX16000ETC+T monitor?
The MAX16000ETC+T monitors four specific rails: IN1 = 3.3V, IN2 = 2.5V, IN3 = adjustable (0.366–0.400V), and IN4 = 1.8V. These thresholds are factory-configured for the "E" variant (MAX16000E), and the TOL pin selects either ±5% or ±10% accuracy. No other rail combinations are supported by this exact part number.
Does the MAX16000ETC+T include a watchdog timer?
No, the MAX16000ETC+T does not include a watchdog timer. Watchdog functionality is present only in MAX16001ETC+T, MAX16002ETC+T, and higher-numbered variants. The MAX16000ETC+T is strictly a quad-voltage supervisor with independent outputs and RESET assertion on any rail fault.
What is the purpose of the MARGIN pin on the MAX16000ETC+T?
The MARGIN pin on the MAX16000ETC+T is an active-low input that forces all OUT1–OUT4 and RESET outputs into a high (deasserted) state regardless of monitored input voltages. This enables safe margin testing during production or field diagnostics without altering actual supply levels.
Can the reset timeout of the MAX16000ETC+T be adjusted?
Yes, the reset timeout of the MAX16000ETC+T is adjustable via the SRT pin. Connecting a capacitor from SRT to GND sets the timeout per the formula tRP (s) = 2.06 × 10⁶ × CSRT (F). With SRT tied to VCC, the timeout defaults to a minimum of 140ms. Capacitor values from 100pF to 1500pF yield timeouts from ~206µs to ~3.92ms.
What package type and footprint does the MAX16000ETC+T use?
The MAX16000ETC+T uses a 12-pin TQFN package measuring 4mm × 4mm with an exposed thermal pad (EP) internally connected to GND. Its land pattern number is 90-0068, outline number 21-0139, and package code T1244+4. The EP must be soldered to the PCB ground plane for thermal performance.
MAX16000ETC+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 12-WQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 4
- Voltage - Threshold:
- Adjustable/Selectable
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-TQFN (4x4)
MAX16000ETC+T FAQ
1.How can I place an order for MAX16000ETC+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX16000ETC+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 MAX16000ETC+T reliable?
The price and inventory of MAX16000ETC+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX16000ETC+T is usually 5 days.
3.What payment methods are accepted for MAX16000ETC+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX16000ETC+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX16000ETC+T?
MAX16000ETC+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX16000ETC+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 MAX16000ETC+T?
For technical support, including MAX16000ETC+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX16000ETC+T requirements.
6.How does Aetrix verify that MAX16000ETC+T is sourced from the original manufacturer or authorized distributors?
All MAX16000ETC+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 MAX16000ETC+T meets industry standards.
7.What is the process for return or replacement of MAX16000ETC+T?
All MAX16000ETC+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX16000ETC+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 MAX16000ETC+T part is unused and in its original packaging.
Return procedure for MAX16000ETC+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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