Analog Devices Inc./Maxim Integrated MAX6830SHUT-T
- Part No.:
- MAX6830SHUT-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6830SHUT-T.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL SOT23-6
- Quantity:
- Payment:

- Shipping:

Inventory:10,000
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Product details
Overview
MAX6830SHUT-T from Maxim Integrated is a dual ultra-low-voltage microprocessor supervisory IC in 6-pin SOT23 package, monitoring primary VCC (3.08V threshold) and secondary VCC2 (1.313V threshold), with push-pull active-high RESET output, manual reset input, and 1.6s watchdog timer - used in battery-powered embedded controllers requiring reliable brownout detection and system recovery.
For engineers reviewing the MAX6830SHUT-T datasheet, MAX6830SHUT-T pinout, MAX6830SHUT-T application, or MAX6830SHUT-T equivalent, this page delivers verified electrical parameters, exact pin functions, real-world use cases for multivoltage systems, and two confirmed alternative parts with documented functional differences.
Technical Context
The MAX6830SHUT-T implements dual independent voltage monitoring: VCC monitored at factory-trimmed 3.08V (±3% over -40°C to +125°C), and VCC2 at 1.313V (±3%), both with 60ppm/°C temperature coefficient and 2×VTH hysteresis. It asserts an active-high push-pull RESET when either supply drops below threshold, MR is pulled low, or WDI timeout occurs.
Its watchdog circuit clears on any WDI edge (min 50ns pulse width), times out after 1.6s nominal (0.8–2.6s over full temp range), and maintains reset for ≥140ms after recovery. RESET remains valid down to VCC = +1.2V, with VOL ≤ 0.3V at ISINK = 100µA and VOH ≥ 0.8×VCC at ISOURCE = 100µA.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Threshold | 3.08V ±3% (factory-trimmed; ensures reliable reset assertion during 3.3V rail brownout) |
| VCC2 Threshold | 1.313V ±3% (factory-trimmed; monitors 1.3V core supply without external resistors) |
| Reset Timeout | 140ms min (guaranteed minimum hold time prevents premature µP release during slow power ramp-up) |
| Watchdog Period | 1.6s nominal (0.8–2.6s over -40°C to +125°C; enables robust firmware hang detection) |
| RESET Type | Active-high push-pull (drives high to release µP reset; eliminates need for external pullup) |
| Supply Current | 25µA max at VCC = +3.6V, -40°C to +125°C (enables >10-year battery life in portable equipment) |
| Operating Range | VCC = +2.7V to +3.6V; -40°C to +125°C (supports industrial-grade 3.3V systems with wide thermal margin) |
Pinout & Package
Package: 6-pin SOT23 (U6+1 outline, land pattern 90-0175), RoHS-compliant, lead-free option available as MAX6830SHUT+T.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RESET | Active-high push-pull output; drives high during normal operation, low during reset assertion |
| 2 | GND | Ground reference for all internal comparators and logic; must be low-impedance connection |
| 3 | MR | Active-low manual reset input; internal 50kΩ pullup to VCC; 1µs minimum pulse width required |
| 4 | WDI | Watchdog input; toggling within 1.6s prevents reset; unconnected disables watchdog |
| 5 | VCC2 | Secondary supply monitor input; factory-trimmed 1.313V threshold; no external components needed |
| 6 | VCC | Primary supply input; powers device and sets 3.08V reset threshold; valid down to +1.2V |
Key Features
| Feature | Design Value |
|---|---|
| Dual factory-trimmed thresholds | VCC = 3.08V and VCC2 = 1.313V - eliminates resistor-divider design effort and calibration for 3.3V/1.3V multirail systems |
| Push-pull active-high RESET | Drives µP reset pin directly without external pullup; compatible with MCUs requiring active-high reset assertion |
| Guaranteed operation to VCC = +1.2V | Ensures valid RESET state during deep brownout; prevents spurious release before stable power restoration |
| Immunity to short VCC transients | Rejects ≤20µs negative glitches down to 100mV below threshold - avoids false resets in noisy power environments |
| No external components required | Full supervision functionality achieved with zero external passives - reduces BOM count and PCB area in space-constrained designs |
Applications
| Portable/Battery-Powered Equipment | Embedded Controllers |
|---|---|
|
Use Scenario: Handheld medical meter with 3.3V main rail and 1.3V sensor core supply operating on coin-cell battery. IC Role / Device Role / Timing Role: Dual-supply supervisor asserting active-high RESET to ARM Cortex-M0 during VCC or VCC2 brownout. Use Value: Prevents corrupted EEPROM writes during battery depletion by holding reset until both rails exceed 3.08V and 1.313V respectively. |
Use Scenario: Industrial PLC module with isolated 3.3V I/O and 1.3V FPGA core, subject to EFT noise on power lines. IC Role / Device Role / Timing Role: Primary brownout detector and watchdog enforcer for real-time control firmware. Use Value: 140ms reset timeout ensures deterministic MCU restart after transient-induced lockup; 20µs glitch immunity prevents nuisance resets. |
| Intelligent Instruments | Critical µP Monitoring |
|
Use Scenario: Portable oscilloscope with dual-domain power: 3.3V analog front-end and 1.3V ADC digital core. IC Role / Device Role / Timing Role: Simultaneous VCC/VCC2 monitor ensuring synchronized reset of analog and digital subsystems. Use Value: Factory-trimmed thresholds eliminate calibration drift over temperature, maintaining timing accuracy across -40°C to +125°C. |
Use Scenario: Automotive body controller where µP must not execute code during unstable 3.3V supply caused by load-dump transients. IC Role / Device Role / Timing Role: Fail-safe reset generator with guaranteed operation down to VCC = +1.2V. Use Value: Maintains valid RESET state even as VCC collapses - prevents undefined µP behavior during severe brownout events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6827SHUT-T | Same 6-pin SOT23 package and 3.08V VCC threshold, but features active-low push-pull RESET output instead of active-high. | Requires inverted reset logic on µP side or external inverter; incompatible with MCUs expecting active-high reset assertion. | Select only if target µP accepts active-low reset and board layout accommodates signal inversion. |
| MAX6831SHUT-T | Identical VCC/VCC2 thresholds and watchdog, but uses open-drain RESET output instead of push-pull. | Necessitates external pullup resistor; supports bidirectional reset pins (e.g., Motorola 68HC11) and wired-OR configurations. | Choose when interfacing with bidirectional reset I/O or when multiple supervisors share a common reset bus. |
Compared with MAX6827SHUT-T and MAX6831SHUT-T, the MAX6830SHUT-T uniquely provides active-high push-pull RESET - eliminating external components and simplifying interface to modern MCUs with non-inverting reset inputs, while retaining identical dual-threshold monitoring and watchdog functionality.
Availability
MAX6830SHUT-T is available at Aetrix Electronics and suitable for portable/battery-powered equipment, embedded controllers, and intelligent instruments requiring stable component supply across industrial temperature ranges (-40°C to +125°C).
Supply support for MAX6830SHUT-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, mixed-signal, and power management ICs for demanding industrial, automotive, and computing applications.
The MAX6826–MAX6831 family was engineered specifically for dual-rail microprocessor supervision in space-constrained, multivoltage systems - delivering factory-trimmed thresholds, integrated watchdog, and minimal external component count in SOT23 packaging.
FAQ
What is the exact VCC reset threshold voltage for MAX6830SHUT-T?
The MAX6830SHUT-T has a factory-trimmed VCC reset threshold of 3.08V, with ±3% tolerance over the full operating temperature range (-40°C to +125°C). This value is specified in the Electrical Characteristics table under "VCC Reset Threshold (VCC Falling)" for suffix 'T', and is guaranteed without requiring external calibration components.
Does MAX6830SHUT-T support monitoring a 1.3V core supply?
Yes, MAX6830SHUT-T directly monitors a 1.3V core supply via its VCC2 pin, which is factory-trimmed to 1.313V (±3%) - matching typical 1.3V FPGA or ASIC core rails. No external resistor divider is needed, and the threshold remains stable across -40°C to +125°C with 60ppm/°C temperature coefficient.
What type of RESET output does MAX6830SHUT-T provide?
MAX6830SHUT-T provides an active-high push-pull RESET output. During normal operation, it drives high (VOH ≥ 0.8×VCC); during reset assertion, it drives low (VOL ≤ 0.3V at ISINK = 100µA). This eliminates the need for an external pullup resistor and interfaces directly with MCUs requiring active-high reset signals.
How long is the reset timeout period for MAX6830SHUT-T?
The MAX6830SHUT-T guarantees a minimum reset timeout period of 140ms after all monitored supplies recover above their thresholds, MR returns high, or watchdog is cleared. The typical timeout is 200ms, and maximum is 280ms over -40°C to +85°C - ensuring sufficient hold time for stable µP initialization in slow-ramping power systems.
Can MAX6830SHUT-T operate with VCC below 1.8V?
Yes, MAX6830SHUT-T is fully specified to operate with VCC as low as +1.2V over the full temperature range (-40°C to +125°C), and guarantees valid RESET output down to VCC = +1.0V. Its supply current remains ≤25µA at VCC = +3.6V and full temperature range, enabling ultra-low-power battery applications.
MAX6830SHUT-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:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 2
- Voltage - Threshold:
- 1.313V, 2.93V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active High
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
MAX6830SHUT-T FAQ
1.How can I place an order for MAX6830SHUT-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6830SHUT-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 MAX6830SHUT-T reliable?
The price and inventory of MAX6830SHUT-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6830SHUT-T is usually 5 days.
3.What payment methods are accepted for MAX6830SHUT-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6830SHUT-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6830SHUT-T?
MAX6830SHUT-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6830SHUT-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 MAX6830SHUT-T?
For technical support, including MAX6830SHUT-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6830SHUT-T requirements.
6.How does Aetrix verify that MAX6830SHUT-T is sourced from the original manufacturer or authorized distributors?
All MAX6830SHUT-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 MAX6830SHUT-T meets industry standards.
7.What is the process for return or replacement of MAX6830SHUT-T?
All MAX6830SHUT-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6830SHUT-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 MAX6830SHUT-T part is unused and in its original packaging.
Return procedure for MAX6830SHUT-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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