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Analog Devices Inc./Maxim Integrated MAX6386XS17D3-
- Part No.:
- MAX6386XS17D3-
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SC-82A, SOT-343
- Datasheet:
-
MAX6386XS17D3-.pdf
- Description:
- POWER MANAGEMENT CIRCUIT, ADJUST
- Quantity:
- Payment:
- Shipping:
Inventory:2,300
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Product details
Overview
MAX6386XS17D3- from Maxim Integrated is a low-power microprocessor supervisory circuit with open-drain active-low reset output, factory-set 1.67V reset threshold (±2.5% over -40°C to +125°C), 140ms minimum reset timeout, and debounced manual reset input. It monitors VCC in battery-powered systems and embedded controllers where supply stability below 2.0V is critical.
For engineers reviewing the MAX6386XS17D3- datasheet, MAX6386XS17D3- pinout, MAX6386XS17D3- application, or MAX6386XS17D3- equivalent, key selection criteria include its 1.67V threshold accuracy, 140ms VCC reset timeout, 3µA supply current at 1.8V, open-drain output requiring external pull-up, and SC70-4 package compatibility with space-constrained PCB layouts.
Technical Context
The MAX6386XS17D3- implements a precision bandgap-based voltage comparator with ±2.5% threshold accuracy across -40°C to +125°C and 60ppm/°C tempco. Its internal timer guarantees a minimum 140ms reset assertion after VCC rises above 1.67V.
It features a debounced manual reset input (MR) with 63kΩ internal pullup, asserting reset when pulled low and holding for 140ms after release. The open-drain RESET output remains valid down to VCC = 1.0V and requires an external pull-up resistor for proper logic-level translation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 1.67V nominal (±2.5% over -40°C to +125°C); ensures reliable brownout detection for 1.8V logic rails |
| Reset Timeout | 140ms minimum; guarantees µP reset pulse width sufficient for full processor initialization |
| Supply Current | 3µA at +1.8V; enables multi-year operation in coin-cell–powered IoT sensors |
| Operating Voltage | 1.0V to 5.5V; supports valid reset assertion even during deep brownout conditions |
| Output Type | Open-drain active-low; allows wired-OR configuration and level-shifting with external pull-up |
| Manual Reset | Debounced MR input with 63kΩ internal pullup; eliminates need for external RC debounce circuitry |
| Temp Range | -40°C to +125°C; qualified for automotive under-hood and industrial control environments |
Pinout & Package
MAX6386XS17D3- is housed in a 4-pin SC70 package (X4-1), measuring 1.0mm × 1.0mm × 0.5mm, suitable for high-density portable designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCC | Primary power supply input; monitored for reset threshold violation and powers internal circuitry |
| 2 | GND | Analog and digital ground reference; must be low-impedance connection to minimize noise coupling |
| 3 | MR | Active-low manual reset input; internally pulled up to VCC; drives reset when pulled to GND |
| 4 | RESET | Open-drain active-low reset output; requires external pull-up resistor to host supply rail |
Key Features
| Feature | Design Value |
|---|---|
| Factory-set 1.67V threshold | Eliminates external resistor divider; reduces BOM count and layout area in 1.8V systems |
| 140ms reset timeout | Matches typical ARM Cortex-M0/M3 boot sequence timing without requiring external timing components |
| 3µA supply current at 1.8V | Extends battery life in always-on monitoring applications such as smart meters and wearables |
| MR debounce integrated | Removes need for external capacitor/resistor network; simplifies schematic and improves reliability |
| Valid operation down to VCC = 1.0V | Ensures deterministic reset behavior during rapid power collapse, preventing runaway µP states |
Applications
| Battery-Powered IoT Sensor Node | Industrial PLC I/O Module |
|---|---|
Use Scenario: A wireless temperature sensor powered by CR2032 coin cell operates intermittently, waking every 5 minutes to sample and transmit data. IC Role / Device Role / Timing Role: MAX6386XS17D3- continuously monitors VCC and asserts reset if voltage drops below 1.67V during RF transmission burst, preventing corrupted firmware execution. Use Value: Its 3µA quiescent current extends battery life beyond 3 years; 140ms timeout ensures full MCU reset before next wake cycle. | Use Scenario: An isolated digital input module in a factory automation system receives 24V DC field power converted to 3.3V and 1.8V rails. IC Role / Device Role / Timing Role: MAX6386XS17D3- supervises the 1.8V core rail, asserting open-drain RESET to the FPGA upon undervoltage, with pull-up to 3.3V for level compatibility. Use Value: ±2.5% threshold accuracy over -40°C to +125°C prevents false resets in uncontrolled cabinet environments; SC70-4 footprint saves board space on dense I/O carrier. |
| Automotive Body Control Module | Medical Portable Diagnostic Device |
Use Scenario: A BCM sub-module powered from vehicle battery (9V–16V) via LDO generating 1.8V for microcontroller core. IC Role / Device Role / Timing Role: MAX6386XS17D3- detects LDO dropout during cold-crank events, asserting RESET to halt MCU until stable 1.8V resumes. Use Value: Negative-going transient immunity allows tolerance of 100µs dips to 1.2V without spurious reset; 140ms timeout accommodates post-crank stabilization. | Use Scenario: A handheld ECG monitor uses a single Li-ion cell (2.8V–4.2V) with buck-boost converter supplying 1.8V to ultra-low-power ADC and BLE SoC. IC Role / Device Role / Timing Role: MAX6386XS17D3- guards the 1.8V rail, triggering reset if cell voltage sags below 3.0V and converter cannot maintain regulation. Use Value: Valid reset assertion down to VCC = 1.0V ensures fail-safe shutdown before ADC data corruption occurs; SC70-4 enables compact front-end PCB stacking. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar µP reset applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6386LT17D3+ | Same electrical specs but in 6-pin µDFN-6 (L611-1) package; 1.5mm × 1.0mm footprint | Requires different PCB land pattern; better thermal performance in high-reliability industrial use | Select LT version when higher power dissipation margin or automated optical inspection compatibility is required |
| TPS3808G16DBVR | 1.6V threshold (±0.5%), 200ms timeout, 1.6µA IQ at 1.8V; SOT-23-5 package | Higher accuracy and lower current, but no manual reset input; different pinout and no MR function | Choose TPS3808G16DBVR only if MR is unused and tighter threshold tolerance justifies redesign |
Compared with MAX6386LT17D3+, the MAX6386XS17D3- offers identical supervision functionality in a 30% smaller footprint; versus TPS3808G16DBVR, it provides essential manual reset capability at the cost of slightly higher quiescent current and reduced threshold accuracy-making it optimal for space-constrained, user-serviceable devices.
Availability
MAX6386XS17D3- is available at Aetrix Electronics and suitable for battery-powered IoT sensors, industrial PLC I/O modules, automotive body control units, and portable medical diagnostics requiring stable component supply across extended temperature ranges.
Supply support for MAX6386XS17D3- 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 in industrial, automotive, and communications markets.
The MAX6381–MAX6390 family delivers ultra-low-power, factory-trimmed reset supervisors optimized for space- and energy-constrained embedded systems operating from 1.0V to 5.5V rails.
FAQ
What is the exact reset threshold voltage of the MAX6386XS17D3- and how stable is it over temperature?
The MAX6386XS17D3- has a factory-set nominal reset threshold of 1.67V, with guaranteed accuracy of ±2.5% over the full operating range of -40°C to +125°C. Its temperature coefficient is 60ppm/°C, meaning the threshold drifts less than 15mV across the entire temperature span-critical for consistent brownout protection in automotive and industrial environments where the MAX6386XS17D3- is deployed.
Does the MAX6386XS17D3- require an external pull-up resistor on the RESET pin, and why?
Yes, the MAX6386XS17D3- features an open-drain active-low RESET output, which requires an external pull-up resistor to the host supply rail (e.g., 3.3V or 5V). This configuration enables wired-OR connectivity with other reset sources and supports level translation. Without the pull-up, the RESET signal remains floating and non-functional-so correct implementation of this external component is mandatory for the MAX6386XS17D3- to operate as intended.
What is the purpose and behavior of the MR pin on the MAX6386XS17D3-?
The MR (Manual Reset) pin on the MAX6386XS17D3- is an active-low input with internal 63kΩ pull-up to VCC. Driving MR low forces an immediate reset assertion, which persists for the full 140ms timeout period after MR is released. This debounced input eliminates external RC networks, enabling direct connection to pushbuttons or logic signals-making the MAX6386XS17D3- ideal for field-serviceable equipment requiring user-initiated recovery.
Can the MAX6386XS17D3- operate reliably when VCC drops below 1.8V, and down to what voltage?
Yes, the MAX6386XS17D3- is fully specified to operate and assert valid reset logic down to VCC = 1.0V. Its internal circuitry remains functional and the RESET output maintains correct logic state (low when asserted) even at this undervoltage condition. This capability ensures deterministic failure response in deep brownout scenarios-such as battery exhaustion or LDO dropout-where many competing supervisors cease operation above 1.5V, making the MAX6386XS17D3- uniquely robust for ultra-low-voltage systems.
What package type and dimensions does the MAX6386XS17D3- use, and is it RoHS-compliant?
The MAX6386XS17D3- is supplied in a lead-free 4-pin SC70 package (X4-1), with dimensions of 1.0mm × 1.0mm × 0.5mm and a standard pitch of 0.65mm. It complies with RoHS Directive 2011/65/EU and is marked with a "+" suffix per Maxim's ordering convention to denote lead-free construction-ensuring environmental compliance and solderability in modern reflow processes used for the MAX6386XS17D3-.
MAX6386XS17D3- 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:
- 1.67V
- 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:
- SC-70-4
MAX6386XS17D3- FAQ
1.How can I place an order for MAX6386XS17D3- through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6386XS17D3- 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 MAX6386XS17D3- reliable?
The price and inventory of MAX6386XS17D3- are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6386XS17D3- is usually 5 days.
3.What payment methods are accepted for MAX6386XS17D3-?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6386XS17D3- transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6386XS17D3-?
MAX6386XS17D3- orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6386XS17D3- 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 MAX6386XS17D3-?
For technical support, including MAX6386XS17D3- datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6386XS17D3- requirements.
6.How does Aetrix verify that MAX6386XS17D3- is sourced from the original manufacturer or authorized distributors?
All MAX6386XS17D3- 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 MAX6386XS17D3- meets industry standards.
7.What is the process for return or replacement of MAX6386XS17D3-?
All MAX6386XS17D3- units undergo pre-shipment inspection (PSI). If there is an issue with MAX6386XS17D3-, 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 MAX6386XS17D3- part is unused and in its original packaging.
Return procedure for MAX6386XS17D3-:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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