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HomeProductsIntegrated Circuits (ICs)Specialized ICsLTC2923CMS
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LTC2923CMS - LTAED

Manufacturer Part Number
LTC2923CMS
Manufacturer
LTAED
Allelco Part Number
32D-LTC2923CMS
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
6,620 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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In stock: 6620

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Specifications

LTC2923CMS Tech Specifications
LTAED - LTC2923CMS technical specifications, attributes, parameters and parts with similar specifications to LTAED - LTC2923CMS

Product Attribute Attribute Value
Part Number LTC2923CMS
Package DAC91001
Description DAC91001
Stock Condition Get 6620 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer LTAED
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

How does the LTC2923CMS support system reliability in multi-supply environments, and what monitoring capabilities does it offer for voltage rails?
The LTC2923CMS is engineered to enhance system reliability by providing comprehensive monitoring of multiple supply voltages simultaneously. It features up to four independent voltage channels that can track critical power rails with programmable thresholds. This allows engineers to detect under-voltage, over-voltage, and out-of-window conditions in real time, enabling timely corrective actions before system failure occurs. For example, in a 5V digital logic supply and a 3.3V I/O rail setup, the device can independently monitor each rail and flag deviations as small as ±2%, which is essential for maintaining data integrity and preventing latch-up events.
What are the key differences between the LTC2923CMS and other multi-channel supervisor ICs when selecting a device for a high-reliability industrial application?
Unlike many multi-channel supervisors that offer only basic reset signaling, the LTC2923CMS provides precise analog output proportional to monitored voltages, enabling predictive diagnostics rather than just binary fault indication. While alternatives may respond to voltage anomalies with a fixed delay, the LTC2923CMS supports user-defined threshold margins and response times tailored to specific supply characteristics—such as allowing a 100ms delay before asserting a reset on a 3.3V rail to avoid nuisance trips during transient dips. This level of configurability reduces false alarms and improves system uptime in harsh industrial environments where power quality varies significantly.
Can the LTC2923CMS be used effectively in battery-powered systems, and how does its quiescent current impact long-term energy efficiency?
Yes, the LTC2923CMS is suitable for battery-powered applications due to its low quiescent current of typically 25µA, which minimizes standby power drain. In a portable medical device powered by a 3.7V Li-ion battery, continuous monitoring across four rails without significant battery degradation is feasible. The device’s ability to operate at supply voltages down to 2.7V further extends operational life, making it ideal for systems requiring uninterrupted supervision without frequent recharging or replacement.
What design considerations should be made when integrating the LTC2923CMS into a PCB layout to ensure accurate voltage sensing and reliable operation?
Proper PCB layout is critical when using the LTC2923CMS, especially given its MSOP10 package and high-impedance input paths. To maintain measurement accuracy, Kelvin connections from the monitored nodes should be routed directly to the IC’s sense pins, avoiding trace resistance that could introduce errors. Additionally, decoupling capacitors must be placed within 1mm of the VCC pin to suppress noise that might affect threshold comparisons. Grounding strategies should minimize loop area under sensitive analog traces to prevent coupling from switching regulators or digital signals, ensuring consistent performance even in electrically noisy environments.
How does the LTC2923CMS handle transient voltage spikes, and what protection mechanisms are built into the device?
The LTC2923CMS includes internal hysteresis on its comparator stages to prevent chatter during rapid voltage transitions, such as those caused by inductive load switching or ESD events. Each channel can tolerate input overdrive up to 60V, allowing it to withstand transients common in automotive or industrial systems without damage. However, while the IC protects itself, external clamping diodes or TVS arrays should still be considered when monitoring high-energy transients to preserve the integrity of downstream circuits connected to the monitored rails.
In what scenarios would the LTC2923CMS be preferred over a discrete comparator-based monitoring solution?
The LTC2923CMS offers significant advantages over discrete comparator designs when managing multiple voltage rails with strict timing requirements and low component count targets. For instance, in a compact IoT edge node with three regulated supplies (5V, 3.3V, and 1.8V), using individual comparators would require additional resistors, trimming components, and complex PCB routing. The integrated nature of the LTC2923CMS simplifies calibration, reduces board space, and ensures matched propagation delays across all channels, improving system-level predictability and reducing development time.
What role does the open-drain interrupt output play in a system using the LTC2923CMS, and how can it be leveraged for fault logging?
The open-drain INT pin on the LTC2923CMS provides a flexible interface for alerting a microcontroller or supervisory processor of any monitored rail deviation. This output can drive an LED for local indication or trigger an interrupt service routine that logs the event timestamp and affected rail via non-volatile memory. By configuring threshold windows slightly wider than nominal values but narrower than absolute limits, the system can distinguish between expected startup sequences and genuine faults, enabling intelligent diagnostics and reducing false positives in mission-critical applications.
How does the LTC2923CMS accommodate different voltage ranges across its four channels, and what impact does this have on system flexibility?
Each channel of the LTC2923CMS supports a wide input range from 0V to 60V, allowing direct connection to unregulated sources or post-regulator rails without external scaling networks. This versatility enables monitoring of both tightly regulated low-voltage logic supplies and higher-voltage pre-regulation lines in the same device. For example, one channel could track a 12V automotive bus while another monitors a 1.2V CPU core voltage, all within a single IC footprint—eliminating the need for multiple supervisory devices and simplifying BOM management in mixed-voltage platforms.

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • 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.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
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:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
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QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA

LTC2923CMS

LTAED
32D-LTC2923CMS

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