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Analog Devices Inc./Maxim Integrated MAX6363PUT23+T
- Part No.:
- MAX6363PUT23+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6363PUT23+T.pdf
- Description:
- IC SUPERVISOR MPU LP SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:5,000
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Product details
Overview
MAX6363PUT23+T from Maxim Integrated is a low-power microprocessor supervisory circuit with battery switchover and BATT ON status indication. It operates from +1.2V supply, features factory-preset 2.32V reset threshold, delivers 150ms minimum reset timeout, and provides active-low open-drain RESET output in a 6-pin SOT23 package. It is used to maintain SRAM backup power during VCC brownout in portable instrumentation.
For engineers reviewing the MAX6363PUT23+T datasheet, MAX6363PUT23+T pinout, MAX6363PUT23+T application, or MAX6363PUT23+T equivalent, key selection criteria include guaranteed reset assertion down to 1.2V, battery-on output logic level behavior in backup mode, reset threshold accuracy over temperature, and SOT23-6 pin compatibility across MAX636x family variants.
Technical Context
The MAX6363PUT23+T implements a precision voltage monitor with ±1.5% reset threshold accuracy (2.32V typ) and internal hysteresis for noise immunity. Its battery switchover logic requires both VCC < VTH and VCC < VBATT − 20mV before engaging the internal MOSFET to connect BATT to OUT.
BATT ON output asserts high only when VCC falls below the reset threshold and VBATT exceeds VCC by ≥20mV - confirming true battery-backup mode. The device guarantees RESET/RESET validity down to 1.2V on either VCC or VBATT, enabling operation during deep brownout conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.32V (factory-preset, ±1.5% accuracy over -40°C to +85°C) |
| Reset Timeout Period | 150ms minimum - ensures µP remains held in reset long enough for stable power recovery |
| Supply Voltage Range | +1.2V to +5.5V - supports operation during severe brownout or single-cell Li+ battery backup |
| Supply Current (VCC) | 10µA typ at +25°C - enables multi-year battery life in always-on backup applications |
| Battery Standby Current | 0.02µA typ - minimizes drain on backup cell when VCC is active |
| Output Type | Active-low open-drain RESET - allows wired-OR configuration with other system reset sources |
| Package | SOT23-6 - 2.9mm × 1.6mm footprint compatible with high-density PCB layouts |
Pinout & Package
MAX6363PUT23+T is housed in a lead-free 6-pin SOT23 package (U6-1 outline, land pattern 90-0175), rated for -40°C to +85°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: RESET | Active-low open-drain reset output | Asserts low during VCC brownout, manual reset, or watchdog timeout; requires external pull-up for logic-level compatibility |
| 2: GND | Ground reference | Common return path for VCC, BATT, and all internal circuits; must be low-impedance connection |
| 3: MR | Manual reset input | Logic-low assertion forces reset; internal 20kΩ pull-up to VCC eliminates need for external resistor |
| 4: VCC | Main supply input | Primary power source; reset asserted when VCC falls below 2.32V; powers internal circuitry and OUT during normal operation |
| 5: OUT | Power output | Switches between VCC and BATT based on voltage comparison; supplies up to 150mA to SRAM or real-time clock |
| 6: BATT | Backup battery input | Provides power to OUT when VCC drops; internal 40mV hysteresis prevents oscillation during slow VCC decay |
Key Features
| Feature | Design Value |
|---|---|
| Battery-On Output Indicator | BATT ON pin goes high only when VCC < VTH and VBATT > VCC + 20mV - unambiguous confirmation of active battery backup |
| Reset Valid Down to 1.2V | Guaranteed RESET assertion even as VCC or VBATT decays to 1.2V - critical for fail-safe memory retention |
| Low Quiescent Supply Current | 10µA typical ICC - extends shelf life of backup batteries in storage or standby |
| Power-Supply Transient Immunity | Rejects VCC glitches ≤30µs at 100mV overdrive - prevents spurious resets in noisy environments |
| Factory-Preset Precision Threshold | 2.32V ±1.5% over full temperature range - eliminates external resistor network and calibration effort |
Applications
| Portable Medical Monitors | Industrial Data Loggers |
|---|---|
Use Scenario: Continuous ECG waveform capture powered by primary supply with coin-cell backup during AC outage. IC Role / Device Role / Timing Role: Supervisory circuit monitors VCC, switches SRAM to BATT upon brownout, and asserts BATT ON to signal backup activation. Use Value: Preserves patient data integrity for >10 years on CR2032 via 0.02µA battery standby current and 150ms reset hold time. | Use Scenario: Remote environmental sensor node logging temperature/humidity to nonvolatile RAM during solar-charged battery cycles. IC Role / Device Role / Timing Role: Provides reliable power-fail detection and seamless battery switchover without firmware intervention. Use Value: Eliminates need for software-controlled power management; 2.32V threshold matches 2-cell alkaline end-of-life voltage. |
| POS Terminal Memory Backup | Smart Utility Meters |
Use Scenario: Point-of-sale terminal retaining transaction buffer during brief mains interruption. IC Role / Device Role / Timing Role: Generates clean reset pulse and routes backup power to SRAM while signaling BATT ON to host controller. Use Value: Prevents transaction loss with 150ms guaranteed reset timeout and 1.2V valid reset assertion during deep sag. | Use Scenario: Electricity meter maintaining timekeeping and tariff data during grid instability. IC Role / Device Role / Timing Role: Supervises main 3.3V rail and triggers battery switchover when VCC drops below 2.32V threshold. Use Value: Enables compliance with IEC 62053-21 timing accuracy requirements under brownout via precise 2.32V ±1.5% threshold. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6363HUT23+T | Same 2.32V reset threshold and BATT ON function, but offered in higher-volume tape-and-reel packaging (no sample bag option) | Identical functional behavior; differs only in packaging format and minimum order quantity (2500 pcs vs. sample-friendly +T variant) | Select MAX6363HUT23+T for production ramp; MAX6363PUT23+T preferred for prototyping and low-volume validation. |
| TPS3808G12DBVR | 2.93V fixed reset threshold, no BATT ON output, push-pull RESET, 1.8V–6.0V supply range | Lacks battery switchover and status indication; suited for simple reset-only applications without backup power management | Choose TPS3808G12DBVR only if battery backup is unnecessary and higher reset threshold aligns with system VDD. |
Compared with MAX6363PUT23+T, MAX6363HUT23+T offers identical electrical performance but targets high-volume manufacturing, while TPS3808G12DBVR provides basic reset supervision without battery-handling capability - making MAX6363PUT23+T uniquely suited for SRAM-retention-critical designs requiring explicit backup-mode confirmation.
Availability
MAX6363PUT23+T is available at Aetrix Electronics and suitable for portable medical monitors, industrial data loggers, POS terminal memory backup, and smart utility meters requiring stable component supply across extended product lifecycles.
Supply support for MAX6363PUT23+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 and mixed-signal ICs for power management, sensing, and interface applications in industrial, automotive, and computing markets.
The MAX636x family was engineered specifically for microprocessor systems needing reliable power monitoring and seamless battery switchover - targeting applications where SRAM data retention during brownout is mission-critical.
FAQ
What is the exact reset threshold voltage of MAX6363PUT23+T?
The MAX6363PUT23+T has a factory-preset reset threshold of 2.32V, with guaranteed accuracy of ±1.5% over the full operating temperature range (-40°C to +85°C). This value is laser-trimmed during production and does not require external components. The MAX6363PUT23+T datasheet specifies 2.25V (min) and 2.38V (max) limits at +25°C, tightening to 2.29V–2.35V across temperature.
Does MAX6363PUT23+T provide battery switchover functionality?
Yes, MAX6363PUT23+T integrates automatic battery switchover: when VCC falls below 2.32V and VBATT exceeds VCC by at least 20mV, the internal MOSFET connects BATT to OUT. The BATT ON output goes high to confirm active backup mode. This occurs without firmware involvement and supports up to 150mA load current from the backup source.
What is the purpose of the BATT ON output on MAX6363PUT23+T?
The BATT ON output on MAX6363PUT23+T is a dedicated status indicator that asserts high only when the device is actively supplying power from the backup battery - i.e., when VCC < VTH and VBATT > VCC + 20mV. It enables system-level monitoring of backup mode entry/exit and can drive LED indicators or interrupt controllers. Unlike RESET, BATT ON is not reset-active but reflects real-time power-source selection.
Can MAX6363PUT23+T operate with a 1.2V supply?
Yes, MAX6363PUT23+T guarantees full functionality down to 1.2V on either VCC or VBATT. Its internal comparators and RESET outputs remain valid at this voltage, enabling reliable operation during deep brownout or single-cell Li+ battery discharge. The 150ms reset timeout and 2.32V threshold are fully specified at 1.2V supply, ensuring deterministic behavior even as input voltage collapses.
What package type and RoHS status does MAX6363PUT23+T use?
MAX6363PUT23+T uses a 6-pin SOT23 package (outline U6-1, land pattern 90-0175) with lead-free construction. The "+T" suffix explicitly denotes RoHS-compliant, lead-free packaging per JEDEC J-STD-020. It is rated for -40°C to +85°C operation and features a 2.9mm × 1.6mm footprint compatible with standard SMT assembly processes.
MAX6363PUT23+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Battery Backup Circuit
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 2.32V
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- 150ms Minimum
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-6
MAX6363PUT23+T FAQ
1.How can I place an order for MAX6363PUT23+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6363PUT23+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 MAX6363PUT23+T reliable?
The price and inventory of MAX6363PUT23+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6363PUT23+T is usually 5 days.
3.What payment methods are accepted for MAX6363PUT23+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6363PUT23+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6363PUT23+T?
MAX6363PUT23+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6363PUT23+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 MAX6363PUT23+T?
For technical support, including MAX6363PUT23+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6363PUT23+T requirements.
6.How does Aetrix verify that MAX6363PUT23+T is sourced from the original manufacturer or authorized distributors?
All MAX6363PUT23+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 MAX6363PUT23+T meets industry standards.
7.What is the process for return or replacement of MAX6363PUT23+T?
All MAX6363PUT23+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6363PUT23+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 MAX6363PUT23+T part is unused and in its original packaging.
Return procedure for MAX6363PUT23+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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