My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX6361PUT46+T
- Part No.:
- MAX6361PUT46+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6361PUT46+T.pdf
- Description:
- IC SUPERVISOR MPU LP SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:17,500
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX6361PUT46+T from Maxim Integrated is a low-power microprocessor supervisory circuit with factory-preset 4.63V reset threshold, active-low open-drain RESET output, and manual reset input (MR). It operates from +1.2V supply, provides 150ms minimum reset timeout, guarantees RESET validity down to 1.2V, and supports battery switchover for SRAM backup in brownout conditions. Used in portable/battery-powered equipment requiring reliable power monitoring.
For engineers reviewing the MAX6361PUT46+T datasheet, MAX6361PUT46+T pinout, MAX6361PUT46+T application, or MAX6361PUT46+T equivalent, key selection criteria include reset threshold accuracy (±1.5% over temperature), MR debounced input with internal 20kΩ pull-up, guaranteed 150ms reset timeout, and SOT23-6 package compatibility with space-constrained embedded designs.
Technical Context
The MAX6361PUT46+T implements a precision voltage monitor with internal bandgap reference and comparator architecture to detect VCC falling below 4.63V (typical) with ±1.5% tolerance over -40°C to +85°C. Its MR input features internal 20kΩ pull-up and 1µs minimum pulse width immunity, enabling direct connection to momentary switches without external debounce.
Battery switchover logic uses dual-voltage comparison: VCC must fall below both the 4.63V reset threshold *and* drop at least 20mV below VBATT before OUT connects to BATT. The device guarantees RESET assertion during VCC < 1.2V and maintains reset state for ≥150ms after VCC recovers above threshold.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 4.63V (typ), ±1.5% over -40°C to +85°C - ensures accurate detection of +5V supply brownout |
| Reset Timeout Period | 150ms (min) - guarantees µP initialization completes before release from reset | Supply Voltage Range | +1.2V to +5.5V - enables operation directly from single-cell Li+ or regulated low-voltage rails |
| MR Input Pull-Up | 20kΩ to VCC - eliminates need for external resistor when using pushbutton reset |
| Quiescent Current | 11µA (typ at VCC=2.8V) - extends battery life in always-on backup applications |
| RESET Output Type | Active-low open-drain - allows wired-OR configuration with other reset sources |
| Operating Temperature | -40°C to +85°C - qualified for industrial and extended-temperature embedded systems |
Pinout & Package
Package: 6-pin SOT23 (U6-1 outline, 2.9mm × 1.6mm footprint, 1.1mm height).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: RESET | Active-low open-drain reset output | Asserts low during VCC < 4.63V, MR low, or power failure; requires external pull-up for logic-high state |
| 2: GND | Ground reference | Common return path for VCC, BATT, and all internal circuitry; must be low-impedance connection |
| 3: MR | Manual reset input | Logic-low assertion forces reset; internal 20kΩ pull-up to VCC enables switch-to-ground interface |
| 4: VCC | Main supply input | Primary power source (1.2V–5.5V); monitored for reset threshold violation and powers internal circuitry |
| 5: OUT | Power output | Sources from VCC when valid; switches to BATT during brownout; delivers up to 150mA to SRAM |
| 6: BATT | Backup battery input | Connects to lithium coin cell or backup source; activates only when VCC < (VBATT – 20mV) and VCC < 4.63V |
Key Features
| Feature | Design Value |
|---|---|
| Factory-preset 4.63V threshold | Eliminates external resistor network for +5V system monitoring; reduces BOM count and layout area |
| Debounced MR input with 20kΩ pull-up | Enables direct pushbutton connection without RC filter; saves PCB space and design validation effort |
| 150ms minimum reset timeout | Ensures µP clock stabilization and memory initialization complete before reset release |
| 1.2V operating capability | Supports direct interface with ultra-low-voltage microcontrollers and battery-backed SRAM |
| Battery switchover hysteresis | 40mV (20mV on drop, 20mV on rise) prevents oscillation during slow VCC recovery near threshold |
Applications
| Portable Medical Devices | Industrial PLC Modules |
|---|---|
Use Scenario: Battery-powered glucose meters requiring data retention during main power loss. IC Role / Device Role / Timing Role: Supervisory circuit monitors main supply and triggers automatic switchover to coin-cell backup to preserve SRAM contents. Use Value: Guarantees 150ms reset hold time and 1.2V operation enables reliable retention even as primary battery depletes to 1.8V. | Use Scenario: DIN-rail mounted programmable logic controllers exposed to 24VDC rail fluctuations. IC Role / Device Role / Timing Role: Provides precise 4.63V reset threshold for +5V logic rail and debounced MR for field-service reset. Use Value: ±1.5% threshold tolerance over temperature ensures consistent brownout response across industrial ambient range. |
| POS Terminals | Smart Meters |
Use Scenario: Retail point-of-sale terminals with hot-swap AC adapters and internal backup batteries. IC Role / Device Role / Timing Role: Detects adapter disconnect and asserts reset while switching SRAM power from VCC to BATT within 20µs. Use Value: 40mV switchover hysteresis prevents repeated toggling during marginal adapter voltage conditions. | Use Scenario: Electricity meters with long-term data logging requiring decade-level nonvolatile memory retention. IC Role / Device Role / Timing Role: Monitors 3.3V microcontroller supply and provides MR input for utility technician-initiated firmware reload. Use Value: 11µA quiescent current minimizes battery drain during 10-year meter deployment with infrequent wake-ups. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6361HUT46+T | Same 4.63V threshold and MR function, but uses push-pull RESET output instead of open-drain | Requires no external pull-up resistor; incompatible with wired-OR reset bus configurations | Select when driving single-load reset line without shared bus requirements |
| TPS3808G33DBVR | 3.3V fixed reset threshold, 350ms timeout, 2.5µA IQ, SOT23-6 package | Lacks manual reset input and battery switchover; designed for simpler single-supply monitoring | Select when only basic 3.3V supply monitoring is needed without backup power management |
Compared with MAX6361HUT46+T, the MAX6361PUT46+T's open-drain RESET enables multi-source reset arbitration, while TPS3808G33DBVR offers lower quiescent current but omits MR and battery control-making MAX6361PUT46+T uniquely suited for SRAM-retention-critical portable designs.
Availability
MAX6361PUT46+T is available at Aetrix Electronics and suitable for portable medical devices, industrial PLC modules, POS terminals, and smart meters requiring stable component supply and long-term lifecycle support.
Supply support for MAX6361PUT46+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 industrial, automotive, and communications applications.
The MAX6361–MAX6364 family targets microprocessor-based systems needing integrated power monitoring, manual reset, and battery-backed SRAM retention in minimal footprint.
FAQ
What is the exact reset threshold voltage for MAX6361PUT46+T?
The MAX6361PUT46+T has a factory-preset reset threshold of 4.63V (typical), with guaranteed tolerance of ±1.5% over the full -40°C to +85°C operating temperature range. This value is laser-trimmed during production and does not require external calibration. The threshold remains stable across supply voltages from 1.2V to 5.5V, ensuring consistent brownout detection in MAX6361PUT46+T applications.
Does MAX6361PUT46+T support battery switchover functionality?
Yes, MAX6361PUT46+T supports automatic battery switchover to maintain SRAM power during main supply failure. When VCC falls below both the 4.63V reset threshold and 20mV below VBATT, the internal MOSFET connects BATT to OUT. The device guarantees this transition occurs with 40mV hysteresis (20mV on drop, 20mV on rise) to prevent oscillation. MAX6361PUT46+T does not provide a BATT ON status indicator-this feature is exclusive to MAX6363 variants.
What is the function of the MR pin on MAX6361PUT46+T?
The MR (Manual Reset) pin on MAX6361PUT46+T is a debounced active-low input that forces reset assertion when pulled low. It features an internal 20kΩ pull-up resistor to VCC, enabling direct connection to a normally-open pushbutton switch tied to ground. Reset remains asserted for ≥150ms after MR transitions high, ensuring reliable µP initialization. MR is ignored during battery-backup mode, and its 1µs minimum pulse width immunity rejects noise spikes.
Can MAX6361PUT46+T operate from a 1.2V supply?
Yes, MAX6361PUT46+T is fully specified to operate from a minimum supply voltage of +1.2V on VCC or VBATT. Its internal bandgap reference and comparator circuitry remain functional at this voltage, and RESET/RESET outputs are guaranteed valid down to 1.2V. This enables direct use with single-cell lithium batteries (2.5V–4.2V) and ultra-low-voltage microcontrollers, making MAX6361PUT46+T suitable for energy-harvesting and long-life portable applications.
What package type and footprint does MAX6361PUT46+T use?
MAX6361PUT46+T uses a 6-pin SOT23 package (outline U6-1, land pattern 90-0175), measuring 2.9mm × 1.6mm with 1.1mm maximum height. It is RoHS-compliant (indicated by "+T" suffix) and compatible with standard SOT23 reflow profiles. The pinout matches JEDEC MO-178AB, supporting automated assembly and existing SOT23 footprints. No thermal pad or special stencil requirements are needed for MAX6361PUT46+T placement.
MAX6361PUT46+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Battery Backup Circuit
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 4.63V
- 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
MAX6361PUT46+T FAQ
1.How can I place an order for MAX6361PUT46+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6361PUT46+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 MAX6361PUT46+T reliable?
The price and inventory of MAX6361PUT46+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6361PUT46+T is usually 5 days.
3.What payment methods are accepted for MAX6361PUT46+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6361PUT46+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6361PUT46+T?
MAX6361PUT46+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6361PUT46+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 MAX6361PUT46+T?
For technical support, including MAX6361PUT46+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6361PUT46+T requirements.
6.How does Aetrix verify that MAX6361PUT46+T is sourced from the original manufacturer or authorized distributors?
All MAX6361PUT46+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 MAX6361PUT46+T meets industry standards.
7.What is the process for return or replacement of MAX6361PUT46+T?
All MAX6361PUT46+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6361PUT46+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 MAX6361PUT46+T part is unused and in its original packaging.
Return procedure for MAX6361PUT46+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX6361PUT46+T 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…
