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HomeProductsIntegrated Circuits (ICs)PMIC - SupervisorsMAX793TCSE+T
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MAX793TCSE+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number
MAX793TCSE+T
Manufacturer
Maxim Integrated
Allelco Part Number
32D-MAX793TCSE+T
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
5,538 pcs available, New & Original
Parts Description
IC SUPERVISOR 1 CHANNEL 16SOIC
Package
16-SOIC
Data sheet
MAX793TCSE+T.pdf

Datasheets

MAX793-795.pdf

Part Numbering Guide

Part Numbering System.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 5538
  • Unit Price: $3.238
  • Subtotal: $0.00

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1+ $3.238 $3.24
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

MAX793TCSE+T Tech Specifications
Analog Devices Inc./Maxim Integrated - MAX793TCSE+T technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc./Maxim Integrated - MAX793TCSE+T

Product Attribute Attribute Value
Manufacturer Maxim Integrated
Voltage - Threshold 3.075V
Type Battery Backup Circuit
Supplier Device Package 16-SOIC
Series -
Reset Timeout 140ms Minimum
Reset Active High/Active Low
Product Attribute Attribute Value
Package / Case 16-SOIC (0.154', 3.90mm Width)
Package Tape & Reel (TR)
Output Open Drain, Push-Pull
Operating Temperature 0°C ~ 70°C (TA)
Number of Voltages Monitored 1
Mounting Type Surface Mount
Base Product Number MAX793

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

MAX793TCSE+T Image
MAX793TCSE+T (1)

Manufacturer Part Number

MAX793TCSE+T

Manufacturer

Analog Devices

Introduction

Battery backup circuit supervisor with multiple reset features

Product Features and Performance

Monitors single voltage

Dual reset outputs (Open Drain, Push-Pull)

Adjustable reset timeout

Precision voltage threshold monitoring

Built-in battery backup control

Product Advantages

Accurate monitoring of power supplies

Ensures reliable system reset

Flexibility with active high and low reset signals

Supports system health management

Key Technical Parameters

Voltage Threshold: 3.075V

Reset Timeout: 140ms Minimum

Operating Temperature Range: 0°C to 70°C

Mounting Type: Surface Mount

Package: 16-SOIC

Quality and Safety Features

Standard operating temperature range ensuring reliability

Robust SOIC package for surface mounting

Compatibility

Compatible with various microcontrollers and digital systems requiring voltage monitoring

Works with standard SOIC-16 footprint

Application Areas

Consumer Electronics

Communications Equipment

Networking Hardware

Industrial Control Systems

Product Lifecycle

Status: Active

Not nearing discontinuation

Replacements or upgrades should be checked with the manufacturer

Several Key Reasons to Choose This Product

High precision in voltage monitoring ensuring system stability

Versatile reset signal options for enhanced system recovery

Wide operating temperature suitable for various environments

Reliable manufacturer with proven track record in power management solutions

Longevity in the market with active status, reducing risks of obsolescence

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the MAX793TCSE+T supervisor IC that influence its use in battery-powered systems, and how does the 3.075V threshold voltage impact system design considerations?
The MAX793TCSE+T operates with a precise 3.075V threshold voltage, making it suitable for monitoring power rails in low-voltage applications such as portable devices or battery backup systems. This threshold ensures reliable detection of brownout conditions without unnecessary false triggers during minor supply fluctuations. The open drain and push-pull output configuration provides flexibility in interfacing with microcontrollers, allowing either active-high or active-low reset signaling depending on system logic requirements. With a minimum reset timeout of 140ms, the device supports stable initialization cycles while preventing premature resets during brief power dips. These parameters collectively reduce the risk of unintended resets in sensitive embedded designs where power integrity is critical.
How does the MAX793TCSE+T compare to similar voltage supervisors like the MAX809 or TPS3809 in terms of response time and reset stability under transient load conditions?
While the MAX809 offers a slightly lower threshold (e.g., 4.63V), it lacks the fine-tuned 3.075V precision of the MAX793TCSE+T, which makes the latter more appropriate for modern low-voltage digital systems operating near 3.3V. The TPS3809 provides faster propagation delay but requires external components for hysteresis control, whereas the MAX793 includes internal hysteresis by default, enhancing noise immunity during rapid transients. In practice, the MAX793’s combination of moderate response time and built-in filtering results in more consistent reset behavior under variable current loads compared to simpler comparators repurposed as supervisors.
Can the MAX793TCSE+T be used effectively in automotive environments, and what limitations arise from its specified operating temperature range of 0°C to 70°C?
No, the MAX793TCSE+T is not rated for automotive-grade temperatures due to its industrial temperature range limitation (0°C to 70°C). Automotive applications typically require components rated from -40°C to +125°C, so using this part in such environments would violate reliability standards and increase failure risk. For non-automotive industrial or consumer systems within its thermal envelope, however, the component performs reliably. Designers must verify ambient operating conditions against this specification before deployment.
What layout and decoupling practices are recommended when integrating the MAX793TCSE+T into a PCB to ensure accurate threshold sensing and minimize noise-induced false resets?
To maintain accuracy, place a 0.1µF ceramic capacitor close to the VCC pin of the MAX793TCSE+T, ideally within 5mm of the package. The sense trace connecting the threshold pin to the monitored rail should be routed away from high-speed signals and switching regulators to avoid coupling noise. Use a solid ground plane beneath the IC and keep traces short to reduce parasitic inductance. Avoid routing over splits in the power layer, as this can introduce impedance mismatches affecting threshold detection. Proper decoupling ensures the internal comparator remains stable even under fast transients common in digital systems.
Why might a designer choose the MAX793TCSE+T over discrete solutions involving op-amps or dedicated reset ICs with comparable thresholds?
Discrete implementations often require additional passive components—such as resistors for threshold division and capacitors for debouncing—which increase board space and susceptibility to parameter drift over temperature. The MAX793TCSE+T integrates all necessary functions internally, including precision reference, comparator, and output driver, reducing BOM count and improving consistency across production batches. Its 140ms minimum reset pulse width also simplifies firmware handling compared to timing circuits that may vary with component tolerances. This integration lowers development time and enhances system reliability in mass-produced designs.
How does the single-channel architecture of the MAX793TCSE+T affect scalability in multi-supply monitoring applications, and what alternatives exist if multiple rails need supervision?
As a single-channel device, the MAX793TCSE+T cannot independently monitor more than one voltage rail. In systems requiring dual or triple voltage supervision (e.g., mixed-signal boards with analog, digital, and I/O supplies), multiple instances must be used, consuming additional space and increasing cost. Alternatives include dedicated multi-channel supervisors like the MAX6369 (with two channels) or configurable parts such as the ADM706R, which offer better density and coordination features. However, for simple single-rail monitoring, the MAX793 remains efficient and cost-effective.
Is the MAX793TCSE+T suitable for use in medical devices where long-term stability and drift are critical concerns?
Yes, provided the application stays within the specified operating temperature range and environmental conditions. The MAX793 uses an internal bandgap reference known for low temperature coefficient and minimal aging effects over time. Unlike some comparator-based designs, it avoids reliance on external resistor networks whose tolerance and tempco degrade accuracy. Still, continuous calibration or periodic self-tests may be needed in safety-critical medical contexts, and full qualification per standards like IEC 60601 would still be required beyond basic datasheet performance.
What role does the 16-SOIC package play in thermal and electrical performance for the MAX793TCSE+T, and how does it compare to smaller footprints like SOT-23 or MSOP?
The 16-lead SOIC (3.90mm wide) offers adequate pin access for power, ground, and signal paths while maintaining manageable thermal resistance (~100°C/W typical) for low-power ICs like the MAX793. It supports standard reflow soldering processes and provides sufficient copper attachment area for heat dissipation during brief current spikes. Smaller packages like SOT-23 lack dedicated power/ground pins and force sharing with signal lines, increasing EMI risk and reducing layout flexibility. For space-constrained applications, a 16-SOIC is often preferred over MSOP variants due to superior thermal conductivity and ease of manual assembly.
How does the MAX793TCSE+T handle input glitches below the 3.075V threshold, and what internal mechanisms prevent nuisance resets during brief voltage sags?
The MAX793 incorporates internal hysteresis and filtering that delay response to fast transients below the threshold. When the monitored voltage drops below 3.075V, a small amount of hysteresis (typically 50–100mV) prevents chatter caused by noise near the trip point. Additionally, the comparator includes built-in deglitching circuitry that ignores pulses shorter than a few microseconds, ensuring only sustained under-voltage conditions trigger a reset. This behavior reduces false alarms in noisy environments where brief dips are common but not indicative of system failure.
What are the implications of selecting the MAX793TCSE+T in a lead-free manufacturing process, given its RoHS3 compliance and MSL rating?
The MAX793TCSE+T is fully compatible with lead-free reflow profiles due to its RoHS3 status and MSL1 classification, meaning it can withstand unlimited storage at 30°C/60% RH without special handling. During assembly, standard SnAgCu solder pastes and peak reflow temperatures up to 260°C are acceptable. However, designers should still follow IPC guidelines for moisture exposure limits during PCB fabrication to avoid popcorning. Its packaging in CT (Cut Tape) format is ideal for automated pick-and-place systems commonly used in lead-free production lines.
Can the MAX793TCSE+T be powered from a battery-backed supercapacitor, and what precautions are necessary to avoid damage during extended low-voltage operation?
Yes, the MAX793 can operate from a supercapacitor charged to above 3.075V, but care must be taken to ensure the input never falls below absolute minimum ratings (typically -0.3V). Since the device draws quiescent current in the µA range, the supercapacitor must hold sufficient charge to maintain operation through deep discharge cycles. Additionally, reverse polarity protection diodes should be considered if the source isn’t inherently protected. The open-drain output also allows bidirectional compatibility with other low-voltage logic families during wake-up events.
What testing methodology would validate the reliability of the MAX793TCSE+T in a prototype phase, especially regarding reset timing and threshold accuracy under real-world conditions?
A robust validation approach involves applying swept DC voltages around the 3.075V threshold while measuring the exact transition point with a high-impedance probe. Simultaneously, inject transient pulses (e.g., 50ns wide, 3.0V amplitude) to test deglitching behavior. Dynamic tests should include cycling between normal and brownout states, recording reset pulse duration to confirm compliance with the 140ms minimum. Environmental stress testing (temperature cycling, humidity soak) further verifies robustness. Automated parametric analysis ensures consistency across multiple units before committing to production.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc./Maxim Integrated MAX793TCSE+T

Product Attribute MAX793TESE+T MAX793SCSE+TC48 MAX793TCSE-T MAX793TCSE+
Part Number MAX793TESE+T MAX793SCSE+TC48 MAX793TCSE-T MAX793TCSE+
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Type - - - -
Reset Timeout - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Reset - - - -
Series - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Base Product Number - DAC34H84 MAX500 ADS62P42
Number of Voltages Monitored - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Output - - - -
Voltage - Threshold - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

MAX793TCSE+T Datasheet PDF

Download MAX793TCSE+T pdf datasheets and Analog Devices Inc./Maxim Integrated documentation for MAX793TCSE+T - Analog Devices Inc./Maxim Integrated.

Datasheets
MAX793-795.pdf
Application Notes
Supervisor ICs Monitor Battery-Powered Equipment.pdf
Environmental Information
Maxim Integrated REACH.pdf Maxim Integrated RoHS Cert.pdf Red Phosphorous Certificate.pdf
Part Numbering Guide
Part Numbering System.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
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Contact us if you have any questions.
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MAX793TCSE+T Image

MAX793TCSE+T

Analog Devices Inc./Maxim Integrated
32D-MAX793TCSE+T

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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