About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Specialized ICsCAT809MSDI-TE13
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

CAT809MSDI-TE13 - CAT

Manufacturer Part Number
CAT809MSDI-TE13
Manufacturer
CAT
Allelco Part Number
32D-CAT809MSDI-TE13
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
10,760 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
Compare
Our certification
In stock: 10760

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

CAT809MSDI-TE13 Tech Specifications
CAT - CAT809MSDI-TE13 technical specifications, attributes, parameters and parts with similar specifications to CAT - CAT809MSDI-TE13

Product Attribute Attribute Value
Part Number CAT809MSDI-TE13
Package DAC91001
Description DAC91001
Stock Condition Get 10760 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 CAT
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 CAT809MSDI-TE13 monitor system voltage, and what is its typical response time during under-voltage conditions?
The CAT809MSDI-TE13 functions as a precision reset controller that monitors the VCC supply voltage. When the voltage drops below the 4.65V threshold (with a -1% tolerance), it asserts a reset signal within approximately 200 milliseconds, ensuring stable initialization of microcontrollers or digital systems. This delay allows for transient voltage dips to settle while preventing false resets during legitimate power-down sequences.
What are the key differences between the CAT809MSDI-TE13 and similar voltage supervisor ICs like the MAX809 in terms of operating voltage range and package compatibility?
While both the CAT809MSDI-TE13 and MAX809 operate with identical 4.65V thresholds and 200ms timeout characteristics, the CAT variant supports a broader input voltage range from 1.8V to 5.5V, making it suitable for mixed-voltage systems. Additionally, the CAT809MSDI-TE13 uses a SOT-23-6 package instead of the standard SOT-23-8 used by many competitors, enabling integration into space-constrained designs without sacrificing functionality.
Can the CAT809MSDI-TE13 be used to protect against brown-out conditions in battery-powered IoT devices, and what design considerations apply?
Yes, the CAT809MSDI-TE13 effectively detects brown-out conditions when VCC falls below 4.65V. In battery-powered applications such as wireless sensors, it ensures the microcontroller enters a safe shutdown state before undervoltage causes erratic behavior. Designers should account for the 100µA typical quiescent current and ensure adequate decoupling capacitance near the device to prevent noise-induced false triggers.
How does the reset pulse width of the CAT809MSDI-TE13 compare to other members of the CAT809 series, such as the CAT809L variants?
The CAT809MSDI-TE13 provides a fixed 200ms reset pulse duration, consistent across the standard CAT809 family. However, low-power variants like the CAT809L offer extended timeout periods up to 1.5 seconds to accommodate slow-ramping power supplies. This makes the MSDI version ideal for applications requiring faster system reinitialization after brief power interruptions.
What layout guidelines should be followed when placing the CAT809MSDI-TE13 in a high-impedance power rail monitoring circuit?
To avoid false triggering due to noise pickup, place the CAT809MSDI-TE13 as close as possible to the main power input pin, ideally within 5mm of the target IC’s VDD. Use a dedicated analog ground return path and minimize trace length on the VCC sense line. A 0.1µF ceramic capacitor should be placed directly at the VCC pin of the supervisor to filter high-frequency transients.
Is the CAT809MSDI-TE13 suitable for automotive-grade applications requiring AEC-Q100 qualification?
No, the CAT809MSDI-TE13 is not qualified to AEC-Q100 standards and lacks the temperature range and reliability testing required for automotive use. For automotive systems operating in harsh environments, alternative supervisors from specialized automotive-qualified families must be selected to meet functional safety requirements.
How does the propagation delay of the CAT809MSDI-TE13 affect system startup timing in embedded designs?
With a typical response time of 150–250µs from threshold crossing to reset assertion, the CAT809MSDI-TE13 introduces negligible latency during power-up sequencing. This ensures minimal impact on boot-time budgets in real-time control systems where precise timing margins are critical for peripheral initialization.
Can multiple CAT809MSDI-TE13 devices be cascaded to monitor different voltage rails simultaneously?
While technically feasible, cascading multiple CAT809MSDI-TE13 units is generally discouraged due to shared reset signaling logic. If required, each supervisor should drive independent enable lines rather than connecting RESET outputs directly. Alternatively, consider using a single multi-supervisor IC with dedicated open-drain outputs for cleaner rail isolation.
What is the maximum allowable leakage current when the CAT809MSDI-TE13 is powered off, and how does this affect battery life in portable electronics?
In power-down mode, the CAT809MSDI-TE13 exhibits less than 1µA of reverse leakage current through the input protection diodes. Combined with its ultra-low 100µA operating current, this enables battery lifetimes exceeding 10 years in coin-cell-powered monitoring applications where continuous supervision is essential.
How does the temperature coefficient of the 4.65V reference in the CAT809MSDI-TE13 influence long-term accuracy over industrial operating ranges?
The internal bandgap reference features a tight initial accuracy of ±1%, with a temperature drift of no more than 10ppm/°C across -40°C to +85°C. This results in less than ±0.5% threshold variation over the full commercial temperature range, ensuring reliable operation in thermally variable environments common in industrial automation systems.
In what scenarios would using the CAT809MSDI-TE13 provide insufficient protection compared to programmable voltage monitors?
The fixed-threshold nature of the CAT809MSDI-TE13 limits its usefulness when precise, adjustable trip points are needed—such as in multi-bank power systems with non-standard rails. Programmable supervisors allow fine-tuning of thresholds via external resistors or digital interfaces, offering greater flexibility for modern SoC platforms with diverse voltage domains.
Does the open-drain output structure of the CAT809MSDI-TE13 support wired-OR configurations for global system resets?
Yes, the open-drain RESET output can be connected to other supervisory ICs or GPIOs through a pull-up resistor, enabling a wired-OR architecture. This allows any device detecting an anomaly to assert a global reset signal, simplifying fault management in complex multi-IC subsystems without risking bus contention.

Customers Also Interested in

Recommended Products

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.

Write a Review

Your Email address will not be published.

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)
  • Payment Support
  • Packaging
  • Certifications & Memberships

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.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

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

CAT809MSDI-TE13

CAT
32D-CAT809MSDI-TE13

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

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB