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Analog Devices Inc./Maxim Integrated MAX16014TT+T
- Part No.:
- MAX16014TT+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- 6-WDFN Exposed Pad
- Datasheet:
-
MAX16014TT+T.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL 6TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,135
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Product details
Overview
The MAX16014TT+T from Analog Devices is an ultra-small, low-power overvoltage-protection IC designed to drive two external p-channel MOSFETs (P1 and P2) for reverse-battery and overvoltage protection in high-voltage systems. It operates from 5.5V to 72V, features adjustable overvoltage threshold via SET pin, latches GATE2 off after overvoltage trip until power cycle, and delivers 2µs max propagation delay. It is used in 48V telecom power supplies to prevent load damage during input surges.
For engineers reviewing the MAX16014TT+T datasheet, MAX16014TT+T pinout, MAX16014TT+T application, or MAX16014TT+T equivalent, key selection criteria include its latch-off behavior on overvoltage fault, dual-MOSFET gate-drive capability (GATE1/GATE2), 6-pin TDFN-EP package, -40°C to +125°C operation, and compatibility with high-transient industrial and server power rails.
Technical Context
The MAX16014TT+T integrates a fast comparator with adjustable overvoltage threshold (via external resistor divider on SET), internal UVLO (5.0V typ), and dual gate drivers optimized for p-channel MOSFETs. GATE1 drives P1 for low-drop reverse-battery protection, while GATE2 drives P2 to isolate the load during overvoltage - and remains latched off until VCC is fully cycled.
Its architecture includes a 1.23V internal reference, hysteresis (5% standard), and logic-level enable (EN active-high) that directly controls GATE2 enhancement. The device does not include undervoltage monitoring or dual comparators - unlike MAX16010/MAX16011 - and lacks a reference output or comparator inputs beyond SET and EN.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 5.5V to 72V - supports direct connection to 48V telecom, multicell battery stacks, and industrial DC rails without external regulation. |
| Propagation Delay | 2µs (max) - enables rapid response to overvoltage transients, minimizing energy delivered to protected load during fault. |
| Overvoltage Threshold | Adjustable via SET pin resistor divider - allows precise trip point setting (e.g., 28V, 36V, 42V) for system-specific protection margins. |
| GATE2 Behavior | Latches off after overvoltage trip - requires full VCC power cycle to reset, preventing automatic reconnection during persistent fault conditions. |
| Operating Temperature | -40°C to +125°C - fully specified for under-hood automotive-adjacent, industrial control, and telecom equipment environments. |
| Quiescent Current | 25µA to 40µA (typ at 12V–48V) - enables use in always-on battery-backed systems with minimal standby drain. |
| Package | 6-pin TDFN-EP (3mm × 3mm) - compact footprint with exposed pad for thermal dissipation in space-constrained power modules. |
Pinout & Package
Package: 6-pin TDFN-EP (3mm × 3mm), exposed pad (EP) connected to GND per datasheet layout guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 VCC | Positive supply input | Accepts 5.5V–72V input; must be bypassed with ≥0.1µF capacitor to GND for noise immunity. |
| 2 GND | Ground reference | System ground return; EP pad must be soldered to GND plane for thermal and electrical integrity. |
| 3 GATE2 | P2 MOSFET gate driver output | Drives gate of external p-channel MOSFET (P2); pulled to VCC during overvoltage to turn P2 OFF and latch until power cycle. |
| 4 SET | Overvoltage threshold adjustment input | High-impedance node (±100nA) for resistor divider; sets trip voltage using internal 1.23V reference (VTH = 1.23V × (R1+R2)/R2). |
| 5 EN | Active-high enable input | Drives GATE2: EN = high → GATE2 enhanced (P2 ON); EN = low → GATE2 pulled to VCC (P2 OFF). Internally pulled down. |
| 6 GATE1 | P1 MOSFET gate driver output | Drives gate of external p-channel MOSFET (P1); provides reverse-battery protection by turning P1 OFF when polarity is reversed. |
Key Features
| Feature | Design Value |
|---|---|
| Latched overvoltage shutdown | GATE2 remains held at VCC after overvoltage event - eliminates risk of auto-retry into sustained fault; requires manual or system-level power recycle. |
| Dual p-channel MOSFET drive | GATE1 handles reverse-battery blocking (replacing series diode); GATE2 handles overvoltage isolation - both support <10V VGS enhancement up to 72V VCC. |
| Adjustable trip threshold | SET pin enables precise overvoltage threshold tuning (e.g., 24V–60V range) using two external resistors - no trimming required. |
| Ultra-low quiescent current | 25–40µA across 12–48V supply - suitable for always-on battery-powered equipment where standby power budget is critical. |
| Robust operating range | Specified from -40°C to +125°C with guaranteed performance - validated for telecom rectifier modules and industrial PLC power inputs. |
Applications
| 48V Telecom Power Input Protection | Server Backplane Overvoltage Guard |
|---|---|
|
Use Scenario: Protecting 48V DC distribution bus in telecom shelf against input surges (e.g., hot-swap transients, rectifier faults). IC Role / Device Role / Timing Role: Overvoltage-protection controller driving P2 MOSFET to disconnect downstream DC-DC converters within 2µs of threshold breach. Use Value: Prevents catastrophic failure of sensitive server ASICs and FPGAs by enforcing hard cutoff before transient energy exceeds safe limits. |
Use Scenario: Securing redundant 48V power inputs on high-availability server backplanes where mismatched supplies could cause reverse current flow. IC Role / Device Role / Timing Role: Dual-MOSFET controller using GATE1 for reverse-current blocking and GATE2 for overvoltage isolation - both coordinated under single IC. Use Value: Eliminates need for discrete diode + comparator + latch solution, reducing BOM count and PCB area by >40% versus discrete alternatives. |
| Multicell Li-ion Battery Stack Monitor | Industrial PLC Field Power Interface |
|
Use Scenario: Safeguarding 16S–20S battery packs (60–84V) in portable test equipment against charging overvoltage or regenerative braking spikes. IC Role / Device Role / Timing Role: Adjustable-threshold protector using SET pin to match cell-count-specific OVP (e.g., 3.65V/cell × 16 = 58.4V). Use Value: Enables single-footprint design across multiple battery configurations - no hardware change needed when scaling pack voltage. |
Use Scenario: Conditioning 24–72V DC field power inputs in programmable logic controllers exposed to inductive load switching and lightning-induced surges. IC Role / Device Role / Timing Role: High-voltage interface IC providing latch-off behavior to prevent repeated cycling during sustained overvoltage events common in factory floor environments. Use Value: Improves system uptime by avoiding nuisance trips - only resets after controlled power-down sequence, aligning with industrial maintenance protocols. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar overvoltage-protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX16013TT+T | No latch on GATE2 - automatically recovers when input drops below threshold; same pinout and SET-based threshold adjustment. | Suitable for non-critical systems requiring auto-retry (e.g., consumer docking stations), but unsafe for fault-isolation-critical telecom infrastructure. | Select MAX16013TT+T only if automatic recovery is explicitly desired and system safety analysis permits it. |
| TPS26631RGER | Integrated 75V eFuse with current limiting, thermal shutdown, and programmable OVP - no external MOSFETs required; different pinout and control interface. | Replaces discrete MOSFET + controller with monolithic solution; better suited for space-constrained designs needing combined OVP/current protection. | Choose TPS26631RGER when board area is premium and integrated current limiting adds value; avoid if discrete MOSFET selection flexibility is required. |
Compared with MAX16013TT+T, the MAX16014TT+T provides mandatory manual reset via power cycle - enhancing safety in infrastructure systems. Versus TPS26631RGER, it offers full external MOSFET control and higher voltage tolerance (72V vs. 75V), but requires more external components and layout effort.
Availability
MAX16014TT+T is available at Aetrix Electronics and suitable for 48V telecom power inputs, server backplane protection, and multicell battery-stack-powered equipment requiring stable component supply and long-term industrial lifecycle support.
Supply support for MAX16014TT+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 MAX16010–MAX16014 family was designed specifically for ultra-compact, high-voltage overvoltage protection in telecom, industrial, and battery-powered systems - emphasizing latch reliability, low quiescent power, and MOSFET gate-drive robustness.
FAQ
What is the key functional difference between MAX16014TT+T and MAX16013TT+T?
The MAX16014TT+T latches GATE2 off after an overvoltage event and requires a full VCC power cycle to reset, whereas the MAX16013TT+T automatically restores GATE2 drive once the input voltage falls below the adjusted threshold. This makes MAX16014TT+T appropriate for safety-critical applications where uncontrolled auto-retry is unacceptable, such as telecom rectifier modules or industrial PLC power interfaces.
How is the overvoltage threshold set on the MAX16014TT+T?
The overvoltage threshold on the MAX16014TT+T is set using an external resistor divider connected to the SET pin. The internal 1.23V reference compares against the divided voltage: VTRIP = 1.23V × (R1 + R2) / R2. For example, to set a 28V threshold, use R1 = 215kΩ and R2 = 10kΩ. The SET pin draws less than ±100nA, enabling high-impedance, low-power divider networks.
Does the MAX16014TT+T provide reverse-battery protection?
Yes, the MAX16014TT+T provides reverse-battery protection via its GATE1 output, which drives an external p-channel MOSFET (P1) in the high-side path. When reverse polarity is applied, GATE1 is forced low, turning P1 OFF and blocking current flow - eliminating the forward-voltage drop of a series diode and reducing conduction loss to ILOAD² × RDS(ON).
What is the purpose of the exposed pad (EP) on the MAX16014TT+T package?
The exposed pad (EP) on the MAX16014TT+T's 6-pin TDFN package must be soldered to a GND plane to ensure proper thermal dissipation and electrical stability. It reduces junction-to-board thermal resistance, supports reliable operation at full 72V/125°C conditions, and improves noise immunity by lowering ground impedance - critical for accurate high-voltage threshold detection.
Can the MAX16014TT+T be used without external MOSFETs?
No, the MAX16014TT+T is a gate-driver controller and does not integrate power MOSFETs. It requires two external p-channel MOSFETs: P1 connected to GATE1 for reverse-battery protection, and P2 connected to GATE2 for overvoltage isolation. Selecting MOSFETs with appropriate VDS, RDS(ON), and gate charge ensures optimal performance and thermal margin under load.
MAX16014TT+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 6-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Simple Reset/Power-On Reset
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- Adjustable/Selectable
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- <1ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TDFN (3x3)
MAX16014TT+T FAQ
1.How can I place an order for MAX16014TT+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX16014TT+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 MAX16014TT+T reliable?
The price and inventory of MAX16014TT+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX16014TT+T is usually 5 days.
3.What payment methods are accepted for MAX16014TT+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX16014TT+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX16014TT+T?
MAX16014TT+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX16014TT+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 MAX16014TT+T?
For technical support, including MAX16014TT+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX16014TT+T requirements.
6.How does Aetrix verify that MAX16014TT+T is sourced from the original manufacturer or authorized distributors?
All MAX16014TT+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 MAX16014TT+T meets industry standards.
7.What is the process for return or replacement of MAX16014TT+T?
All MAX16014TT+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX16014TT+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 MAX16014TT+T part is unused and in its original packaging.
Return procedure for MAX16014TT+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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