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Analog Devices Inc./Maxim Integrated MAX6382LT30D2+T
- Part No.:
- MAX6382LT30D2+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- 6-WFDFN
- Datasheet:
-
MAX6382LT30D2+T.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL 6UDFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,274
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Product details
Overview
MAX6382LT30D2+T from Maxim Integrated is a push-pull active-high microprocessor supervisory circuit with factory-set 3.00V reset threshold, 20ms minimum reset timeout, and guaranteed operation down to VCC = 1.0V. It monitors single-supply voltage in low-power embedded systems and asserts RESET high during brownout or power-up sequencing. Designed for space-constrained applications, it consumes only 3μA at +1.8V and operates across -40°C to +125°C.
For engineers reviewing the MAX6382LT30D2+T datasheet, MAX6382LT30D2+T pinout, MAX6382LT30D2+T application, or MAX6382LT30D2+T equivalent, key selection considerations include its active-high push-pull output logic, ±2.5% reset threshold accuracy over temperature, 20ms reset timeout guarantee, and compatibility with 6-pin μDFN layout requirements for industrial and automotive-grade designs.
Technical Context
The MAX6382LT30D2+T implements a precision bandgap-based voltage comparator monitoring VCC against a fixed 3.00V threshold (±2.5% over -40°C to +125°C), with internal timer ensuring minimum 20ms reset assertion after VCC recovery. Its push-pull active-high RESET output drives high during fault conditions and guarantees valid logic state down to VCC = 1.0V.
No manual reset (MR) or auxiliary RESET IN inputs are present - this variant is optimized for single-voltage monitoring without external control or dual-rail supervision. The device uses BiCMOS process technology and supports lead-free/RoHS-compliant assembly via its +T suffix package marking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 3.00V (min 2.93V, max 3.08V at +25°C); sets precise power-fail detection point for 3.3V systems |
| Reset Timeout | 20ms (min); ensures sufficient processor hold time during supply stabilization |
| VCC Supply Current | 3μA at +1.8V; enables ultra-low-power operation in battery-backed or energy-harvesting systems |
| Operating Temperature | -40°C to +125°C; qualified for under-hood automotive and industrial environments |
| Reset Output Type | Active-high push-pull; eliminates need for external pullup resistor and simplifies interface to μP reset input |
| Reset Threshold Accuracy | ±2.5% over full temperature range; reduces system-level margining requirements |
| VCC Range | 1.0V to 5.5V; supports valid reset assertion even during deep brownout conditions |
Pinout & Package
MAX6382LT30D2+T is housed in a 6-pin μDFN package (outline 21-0147, land pattern 90-0080), measuring 2.0mm × 2.0mm × 0.55mm, with wettable flank leads for automated optical inspection. Thermal resistance θJA = 477°C/W on multilayer board.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Ground reference for all internal circuitry and reset comparator; must be low-impedance connection |
| 2 | VCC | Primary supply input and monitored voltage rail; powers device and serves as reset trigger source |
| 3 | N.C. | No internal connection; left unconnected per design; no routing or termination required |
| 4 | RESET | Active-high push-pull output; drives high during reset condition and low otherwise; directly interfaces μP reset pin |
| 5 | N.C. | No internal connection; left unconnected per design; no routing or termination required |
| 6 | N.C. | No internal connection; left unconnected per design; no routing or termination required |
Key Features
| Feature | Design Value |
|---|---|
| Factory-set 3.00V reset threshold | Eliminates external resistor divider and calibration effort for standard 3.3V supply monitoring |
| 20ms guaranteed reset timeout | Ensures reliable processor initialization without requiring external timing components |
| 3μA supply current at 1.8V | Extends battery life in portable instrumentation and remote sensor nodes |
| Operation down to VCC = 1.0V | Maintains deterministic reset behavior during severe brownout, preventing runaway code execution |
| ±2.5% threshold accuracy over temperature | Reduces worst-case system voltage margining, enabling tighter supply regulation |
Applications
| Industrial PLC I/O Modules | Automotive Body Control Units |
|---|---|
|
Use Scenario: Monitors 3.3V microcontroller supply in programmable logic controller field I/O modules exposed to wide ambient temperature swings and EMI. IC Role / Device Role / Timing Role: Supervisory circuit providing active-high reset signal to ARM Cortex-M4 core during cold start and brownout events. Use Value: Guarantees 20ms minimum reset pulse width and valid logic state down to 1.0V VCC, preventing spurious resets in noisy industrial environments. |
Use Scenario: Ensures safe boot sequence for infotainment SoC in vehicle body control unit operating across -40°C to +125°C. IC Role / Device Role / Timing Role: Single-rail voltage supervisor asserting active-high reset to SoC during ignition cycling and load-dump transients. Use Value: Factory-trimmed 3.00V threshold with ±2.5% accuracy eliminates calibration overhead while supporting AEC-Q100-compliant design flow. |
| Medical Portable Diagnostic Devices | Smart Energy Meters |
|
Use Scenario: Provides fail-safe reset for low-power MCU in handheld ultrasound probe powered by Li-ion battery with variable discharge profile. IC Role / Device Role / Timing Role: Voltage monitor detecting 3.3V rail collapse below 3.00V and holding reset for 20ms to ensure clean restart. Use Value: Ultra-low 3μA quiescent current extends operational runtime between charges without compromising reset reliability. |
Use Scenario: Supervises 3.3V supply to metrology ASIC and secure element in ANSI C12.22-compliant smart meter deployed in outdoor enclosures. IC Role / Device Role / Timing Role: Reset generator with guaranteed operation at 1.0V VCC to prevent firmware corruption during rapid AC mains dropout. Use Value: Push-pull active-high output eliminates external pullup, reducing BOM count and PCB area in cost-sensitive utility meter designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor reset applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6382XR30D2+T | Same electrical specs but in 3-pin SC70 package (2.05mm × 2.05mm); no N.C. pins; lower thermal resistance (θJA = 340.4°C/W) | Suitable for ultra-dense layouts where footprint is constrained more than height or thermal performance | Select when board space is critical and thermal dissipation is less demanding than in μDFN-based designs |
| TLV803E30DBZR | 3.0V threshold, 20ms timeout, active-high push-pull, but higher ICC (1.8μA typ at 1.8V vs 3μA max); ±3% threshold accuracy over temp | Lower power consumption but reduced accuracy margin; not AEC-Q100 qualified | Choose for cost-sensitive consumer applications where automotive qualification and ±2.5% accuracy are not required |
Compared with MAX6382LT30D2+T, the XR30D2+T offers identical functionality in a smaller 3-pin SC70 footprint but lacks the μDFN's wettable flanks for AOI, while TLV803E30DBZR trades AEC-Q100 compliance and tighter threshold tolerance for slightly lower quiescent current in non-automotive use cases.
Availability
MAX6382LT30D2+T is available at Aetrix Electronics and suitable for industrial PLCs, automotive body controllers, portable medical diagnostics, smart energy meters, and other applications requiring stable component supply with extended temperature support and RoHS compliance.
Supply support for MAX6382LT30D2+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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, automotive, communications, and computing markets.
The MAX6381–MAX6390 family delivers low-power, precision voltage supervision for microprocessor-based systems, with variants optimized for single/dual supply monitoring, manual reset, and automotive qualification.
FAQ
What is the exact reset threshold voltage of MAX6382LT30D2+T and how tightly is it specified?
The MAX6382LT30D2+T has a nominal reset threshold of 3.00V, with guaranteed limits of 2.93V (min) and 3.08V (max) at +25°C. Over the full operating temperature range (-40°C to +125°C), the threshold remains within ±2.5% of 3.00V, meaning 2.925V to 3.075V. This tight specification eliminates need for system-level voltage margining in 3.3V rail supervision.
Does MAX6382LT30D2+T include a manual reset input (MR) or auxiliary RESET IN pin?
No, MAX6382LT30D2+T does not include MR or RESET IN functionality. It is a single-supply, fixed-threshold supervisory circuit with only VCC, GND, and active-high RESET pins. The 6-pin μDFN package contains three N.C. pins (pins 3, 5, 6), confirming absence of manual or auxiliary reset capability - consistent with MAX6382 family designation in the selector guide.
What is the guaranteed minimum reset timeout period for MAX6382LT30D2+T and how is it implemented?
The MAX6382LT30D2+T guarantees a minimum reset timeout period of 20ms after VCC rises above the 3.00V threshold. This is achieved via an internal RC-based timer that holds the active-high RESET output asserted for ≥20ms regardless of VCC slew rate or noise. The D2 suffix in the part number explicitly denotes this 20ms timing option per the Reset Timeout Delay table.
Can MAX6382LT30D2+T operate reliably at VCC = 1.0V, and what is the reset output behavior at that level?
Yes, MAX6382LT30D2+T is fully specified to operate down to VCC = 1.0V, and its active-high RESET output remains valid (logically correct) at this voltage. When VCC drops below 3.00V, RESET goes high and stays high until VCC exceeds the threshold and the 20ms timeout expires - all while maintaining defined logic levels even at 1.0V, preventing undefined states during deep brownout.
What package type and RoHS status does MAX6382LT30D2+T use, and are land patterns available?
MAX6382LT30D2+T uses a 6-pin μDFN package (outline 21-0147) with wettable flank leads and is RoHS-compliant, indicated by the "+" in the +T suffix. Land pattern number 90-0080 is documented in Maxim's package database, and thermal data (θJA = 477°C/W, θJC = 122°C/W) is provided for multilayer board design per JEDEC JESD51-7.
MAX6382LT30D2+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 6-WFDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Simple Reset/Power-On Reset
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 3V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active High
- Reset Timeout:
- 20ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-µDFN (1.5x1)
MAX6382LT30D2+T FAQ
1.How can I place an order for MAX6382LT30D2+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6382LT30D2+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 MAX6382LT30D2+T reliable?
The price and inventory of MAX6382LT30D2+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6382LT30D2+T is usually 5 days.
3.What payment methods are accepted for MAX6382LT30D2+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6382LT30D2+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6382LT30D2+T?
MAX6382LT30D2+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6382LT30D2+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 MAX6382LT30D2+T?
For technical support, including MAX6382LT30D2+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6382LT30D2+T requirements.
6.How does Aetrix verify that MAX6382LT30D2+T is sourced from the original manufacturer or authorized distributors?
All MAX6382LT30D2+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 MAX6382LT30D2+T meets industry standards.
7.What is the process for return or replacement of MAX6382LT30D2+T?
All MAX6382LT30D2+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6382LT30D2+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 MAX6382LT30D2+T part is unused and in its original packaging.
Return procedure for MAX6382LT30D2+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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