My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX6384XS26D4+
- Part No.:
- MAX6384XS26D4+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SC-82A, SOT-343
- Datasheet:
-
MAX6384XS26D4+.pdf
- Description:
- MAX6384 SINGLE LOW-VOLTAGE, LOW-
- Quantity:
- Payment:
- Shipping:
Inventory:2,106
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX6384XS26D4+ from Maxim Integrated is a low-power microprocessor supervisory circuit with factory-set 2.63V reset threshold, 1120ms VCC reset timeout, and debounced active-low manual reset input. It features push-pull active-low reset output, operates from +1.0V to +5.5V supply, consumes only 3µA at +1.8V, and guarantees valid reset state down to VCC = 1V. It is used in portable battery-powered equipment for reliable power-on reset and brownout protection.
For engineers reviewing the MAX6384XS26D4+ datasheet, MAX6384XS26D4+ pinout, MAX6384XS26D4+ application, or MAX6384XS26D4+ equivalent, key selection criteria include reset threshold accuracy (±2.5% over –40°C to +125°C), manual reset debounce integration, SC70-4 package footprint, and compatibility with legacy MAX809/MAX6326 families in space-constrained embedded systems.
Technical Context
The MAX6384XS26D4+ integrates a precision voltage comparator with ±2.5% threshold accuracy over temperature, a programmable reset timeout timer, and an internal 63kΩ pullup on the MR pin. Its push-pull active-low RESET output drives directly without external pullup, and its reset assertion is guaranteed functional down to VCC = 1V - enabling robust operation during deep brownout conditions.
It supports dual reset initiation: automatic detection of VCC falling below 2.63V (with 1120ms minimum timeout), and manual assertion via MR pin (low-active, internally pulled up). The device uses BiCMOS process (647 transistors) and exhibits negative-going VCC transient immunity up to 35µs for 100mV overdrive, per typical operating characteristics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.63V (factory-set, ±2.5% over –40°C to +125°C) - ensures deterministic reset activation across industrial temperature range |
| VCC Reset Timeout | 1120ms (minimum) - holds µP in reset long enough for stable power rail recovery and clock stabilization |
| Supply Current | 3µA at +1.8V - enables multi-year battery life in always-on portable instrumentation |
| Operating Voltage Range | +1.0V to +5.5V - supports operation during severe brownout and compatibility with 1.2V–5V logic domains |
| MR Input Pullup | 63kΩ internal resistor - eliminates need for external pullup and enables direct switch-to-GND connection |
| RESET Output Type | Active-low push-pull - provides rail-to-rail drive strength without external components |
| Reset Propagation Delay | 35µs (VCC falling edge) - ensures fast response to supply collapse while rejecting sub-µs noise |
Pinout & Package
MAX6384XS26D4+ is housed in a lead-free 4-pin SC70 package (package code X4-1), measuring 1.5mm × 1.0mm × 0.8mm, suitable for high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCC | Primary supply input and monitored voltage rail - powers internal circuitry and serves as reference for fixed-threshold reset detection |
| 2 | RESET | Active-low push-pull reset output - asserts low during fault condition and remains low for full 1120ms timeout after recovery |
| 3 | MR | Active-low manual reset input - forces reset when pulled low; internally pulled up to VCC (63kΩ), eliminating external component |
| 4 | GND | Analog/digital ground reference - must be connected to system ground plane for accurate threshold comparison and noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Factory-trimmed reset threshold | 2.63V with ±2.5% tolerance over –40°C to +125°C - eliminates calibration overhead and ensures consistent system-level reset behavior |
| Integrated MR debounce | No external RC network required - internal timing rejects <100ns glitches and ensures clean reset assertion from mechanical switches |
| Valid RESET down to VCC = 1V | Guaranteed logic state integrity during deep undervoltage - prevents µP from executing undefined instructions during final stage of power collapse |
| Negative-going VCC transient immunity | Rejects 35µs transients at 100mV overdrive - suppresses false resets caused by switching noise or ESD-induced supply dips |
| Ultra-low quiescent current | 3µA at +1.8V - reduces standby power in battery-backed real-time clocks and sensor nodes |
Applications
| Portable Medical Sensors | Industrial PLC I/O Modules |
|---|---|
Use Scenario: Wearable glucose monitor operating from coin-cell battery with intermittent BLE transmission. IC Role / Device Role / Timing Role: Supervises 1.8V LDO output and triggers hard reset if voltage sags below 2.63V during RF burst, ensuring firmware reloads cleanly. Use Value: 3µA supply current extends battery life beyond 2 years; 1120ms timeout accommodates slow LDO recovery post-burst. |
Use Scenario: DIN-rail mounted analog input module exposed to 24V DC field wiring with inductive kickback. IC Role / Device Role / Timing Role: Monitors isolated 3.3V logic supply and asserts reset on brownout induced by voltage transients on field side. Use Value: ±2.5% threshold accuracy ensures consistent trip point across temperature extremes; MR pin allows operator-initiated diagnostics reset. |
| Smart Energy Meters | Automotive Body Control Units |
Use Scenario: Electricity meter with backup supercapacitor maintaining RTC and tamper-detection logic during AC mains loss. IC Role / Device Role / Timing Role: Watches 3.3V backup rail and initiates controlled shutdown sequence when voltage decays below 2.63V. Use Value: Valid RESET output down to VCC = 1V ensures last-instruction integrity before power exhaustion; SC70-4 footprint saves board area in sealed enclosure. |
Use Scenario: Door module controlling window lift, mirror fold, and interior lighting powered from vehicle battery (9V–16V). IC Role / Device Role / Timing Role: Resets microcontroller during cold-crank (battery dip to 6V) and after load-dump recovery to prevent latch-up. Use Value: 1120ms timeout exceeds typical alternator stabilization time; MR pin enables service-mode reset via diagnostic tool. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar µP reset applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6326XR26D4+ | Same 2.63V threshold and 1120ms timeout, but no MR input - fixed-function single-supply monitor. | Lacks manual reset capability; suited for cost-sensitive designs where operator reset is unnecessary. | Select when MR functionality is unused and BOM simplification is prioritized over flexibility. |
| TPS3808G33DBVR | 2.93V threshold (not 2.63V), 1200ms timeout, 1.8V–6.5V operation, 2.5µA ICC - TI's pin-compatible alternative with tighter tempco (50ppm/°C). | Higher threshold shifts reset point; requires validation against system brownout margin. | Choose when higher reset voltage improves noise margin and TI supply chain alignment is preferred. |
Compared with MAX6326XR26D4+, MAX6384XS26D4+ adds essential MR functionality for field serviceability; versus TPS3808G33DBVR, it offers exact 2.63V threshold matching legacy designs and guaranteed 1V operation - critical for ultra-low-voltage brownout recovery.
Availability
MAX6384XS26D4+ is available at Aetrix Electronics and suitable for portable medical sensors, industrial PLC I/O modules, smart energy meters, and automotive body control units requiring stable component supply and long-term production continuity.
Supply support for MAX6384XS26D4+ 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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and computing markets.
The MAX6381–MAX6390 family was designed specifically for low-voltage, low-power microprocessor supervision in space-constrained and battery-operated systems - emphasizing precision threshold accuracy, minimal quiescent current, and integrated reset initiation options.
FAQ
What is the exact reset threshold voltage of MAX6384XS26D4+?
The MAX6384XS26D4+ has a factory-set reset threshold of 2.63V, with guaranteed accuracy of ±2.5% over the full industrial temperature range (–40°C to +125°C). This value is laser-trimmed during production and does not require external calibration. The '26' suffix in MAX6384XS26D4+ explicitly denotes the 2.63V threshold per Maxim's ordering guide.
Does MAX6384XS26D4+ require an external pullup resistor on the MR pin?
No, MAX6384XS26D4+ includes an internal 63kΩ pullup resistor on the MR pin, allowing direct connection of a momentary switch between MR and GND without external components. This internal pullup ensures reliable logic-high idle state and eliminates BOM count and layout area for discrete resistors.
What is the function of the RESET output on MAX6384XS26D4+?
The RESET output of MAX6384XS26D4+ is an active-low push-pull driver that asserts low when VCC falls below 2.63V or when the MR pin is pulled low. It remains low for a guaranteed minimum of 1120ms after VCC recovers above threshold or MR is released. Unlike open-drain variants, it requires no external pullup and drives rail-to-rail.
Can MAX6384XS26D4+ operate reliably at VCC = 1.0V?
Yes, MAX6384XS26D4+ guarantees correct RESET output logic state down to VCC = 1.0V, as specified in the Absolute Maximum Ratings and Electrical Characteristics tables. This ensures deterministic microprocessor reset behavior even during deep brownout conditions where other supervisors may fail.
Is MAX6384XS26D4+ pin-compatible with older Maxim reset ICs like MAX809?
Yes, MAX6384XS26D4+ is explicitly listed as pin-compatible with MAX809, MAX810, MAX803, MAX6326, MAX6327, MAX6328, MAX6346–MAX6348, and MAX6711–MAX6713 per the Features section. Its 4-pin SC70 package matches the footprint and signal mapping of those legacy parts, enabling drop-in replacement in existing designs.
MAX6384XS26D4+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SC-82A, SOT-343
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Power Supply Monitor
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 2.63V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active Low
- Reset Timeout:
- 1.12s Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-4
MAX6384XS26D4+ FAQ
1.How can I place an order for MAX6384XS26D4+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6384XS26D4+ 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 MAX6384XS26D4+ reliable?
The price and inventory of MAX6384XS26D4+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6384XS26D4+ is usually 5 days.
3.What payment methods are accepted for MAX6384XS26D4+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6384XS26D4+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6384XS26D4+?
MAX6384XS26D4+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6384XS26D4+ 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 MAX6384XS26D4+?
For technical support, including MAX6384XS26D4+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6384XS26D4+ requirements.
6.How does Aetrix verify that MAX6384XS26D4+ is sourced from the original manufacturer or authorized distributors?
All MAX6384XS26D4+ 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 MAX6384XS26D4+ meets industry standards.
7.What is the process for return or replacement of MAX6384XS26D4+?
All MAX6384XS26D4+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX6384XS26D4+, 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 MAX6384XS26D4+ part is unused and in its original packaging.
Return procedure for MAX6384XS26D4+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX6384XS26D4+ Tags
-
MIC826SYMT-TR
Microchip Technology
-
APX803S-31SA-7
Diodes Incorporated
-
APX803L20-29SA-7
Diodes Incorporated
-
TPS3828-33DBVR
Texas Instruments
-
V6340RSP3B+
EM Microelectronic
-
EM6325CXSP5B-2.9+
EM Microelectronic
-
MCP120T-300I/TT
Microchip Technology
-
MCP130T-315I/TT
Microchip Technology
-
MCP120T-475I/TT
Microchip Technology
-
MCP111T-300E/TT
Microchip Technology
-
MCP120T-315I/TT
Microchip Technology
-
MCP809T-315I/TT
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
