Логотип сайта TrustCompo | TrustCompo

UC2844AQD8R PMIC - Voltage Regulators - DC DC Switching Controllers от Texas Instruments

UC2844AQD8R — это компонент категории PMIC - Voltage Regulators - DC DC Switching Controllers от Texas Instruments в упаковке 8-SOIC. Его обычно проверяют для IC CURR-MODE PWM CTLR 8-SOIC. На этой странице указаны текущие остатки TrustCompo, уровни цен, данные по корпусу, доступ к datasheet, compliance-атрибуты, варианты отгрузки со склада Hong Kong, подтверждение оплаты и RFQ-варианты для покупателей, которым нужно подтвердить именно этот ordering code.

Изображения приведены только для справки. Пожалуйста, свяжитесь с нами для получения последних изображений.

UC2844AQD8R PMIC - Voltage Regulators - DC DC Switching Controllers от Texas Instruments | TrustCompo
Изображения приведены только для справки. Пожалуйста, свяжитесь с нами для получения последних изображений.
  • Гарантия 365 днейПоддержка после покупки помогает закупщикам разбирать вопросы качества в понятный срок проверки.
  • Отправка в течение 24-48 часовДоступные позиции могут быть быстро отправлены после подтверждения цены, количества и деталей доставки.
  • 100% проверка на контрафактКомпоненты проходят проверку подлинности и инспекцию перед отгрузкой.

Ключевые характеристики

Номер детали

UC2844AQD8R

Внутренний код

TCE000119508

Упаковка

8-SOIC

Производитель
Texas Instruments

Ключевые характеристики

Серия

-

Минимальное количество

1

Категория
Integrated Circuits (ICs)
Описание

IC CURR-MODE PWM CTLR 8-SOIC

Основные характеристики

-

Сигналы доверия

Качество и доверие

Проверьте credentials TrustCompo, поддержку traceability, anti-counterfeit handling и inspection controls перед отправкой RFQ.

4 сертификата
  • ISO 9001

    Процессы менеджмента качества для более стабильной закупки и обращения с продукцией.

  • AS9120B

    Контроль дистрибуции авиационного уровня для прослеживаемости и надежности.

  • ISO 14001

    Экологическая дисциплина в операционных и складских процессах.

  • ESD Control

    Стандарты защиты от электростатического разряда для чувствительных компонентов.

RFQ checklist

Процесс заказа

Подтвердите ключевые данные закупки для UC2844AQD8R до RFQ, выпуска PO и планирования отгрузки.

  1. 1

    Подтвердить MPN

    Укажите точный part number, производителя, package и approval constraints в RFQ.

  2. 2

    Проверить склад и цену

    Проверьте live availability, MOQ, lead time, финальную цену и налоговые условия до PO.

  3. 3

    Согласовать документы

    Подтвердите datasheet, CoC, traceability, lifecycle notes и scope инспекции, если требуется.

  4. 4

    Организовать отгрузку

    Выпустите PO и согласуйте DHL, FedEx, UPS или buyer forwarder shipment из Hong Kong.

Перед выпуском PO

Проверка детали

  • Точный MPN подтвержден: UC2844AQD8R
  • Корпус для проверки: 8-SOIC

Коммерческие условия

  • Live stock и срок поставки подтверждены через RFQ
  • Финальная цена и налоговые условия подтверждены до выпуска PO

Отгрузка и документы

  • Ship-from location: склад Hong Kong
  • Способ доставки: DHL, FedEx, UPS или аккаунт экспедитора покупателя

Обзор продукта

Обзор

Проверьте sourcing context для UC2844AQD8R от Texas Instruments, включая идентификацию товара, применимость, package notes и закупочные детали.


The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components.
The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limiting and inherent protection of the power supply output switch.
The IC includes: A bandgap reference trimmed to ±1% accuracy, an error amplifier, a current sense comparator with internal clamp to 1V, a high current totem pole output stage for fast switching of power MOSFETs, and an externally programmable oscillator to set frequency and maximum duty cycle.
The undervoltage lock-out is designed to operate with 250µA typ. start-up current, allowing an efficient bootstrap supply voltage design.KEY
FEATURES
• LOW START-UP CURRENT. (0.5mA max.)
• TRIMMED OSCILLATOR DISCHARGE CURRENT. (See Product Highlight)
• OPTIMIZED FOR OFF-LINE AND DC-TO-DC CONVERTERS.
• AUTOMATIC FEED FORWARD COMPENSATION.
• PULSE-BY-PULSE CURRENT LIMITING.
• ENHANCED LOAD RESPONSE CHARACTERISTICS.
• UNDER-VOLTAGE LOCKOUT WITH HYSTERESIS.
• DOUBLE PULSE SUPPRESSION.
• HIGH-CURRENT TOTEM POLE OUTPUT.
• INTERNALLY TRIMMED BANDGAP REFERENCE.
• 500KHz OPERATION.
• LOW RO ERROR AMPLIFIER.APPLICATIONS
• ECONOMICAL OFF-LINE FLYBACK OR FORWARD CONVERTERS.
• DC-DC BUCK OR BOOST CONVERTERS.
• LOW COST DC MOTOR CONTROL.

Технические параметры

Параметры

Сравните сгруппированные параметры UC2844AQD8R от Texas Instruments, включая package, series, key attributes и technical values для engineering и sourcing review.

  • Product Parameter

    Control Mode

    CURRENT-MODE

  • Product Parameter

    Control Technique

    PULSE WIDTH MODULATION

  • Product Parameter

    Maximum Operating Supply Voltage

    260

  • Product Parameter

    Triac Type

    Active

  • Product Parameter

    Nominal Attenuation

    e4

  • Product Parameter

    Drain to Source Resistance

    EAR99

UC2844AQD8R Product Parameter
ПараметрЗначение
Control Mode

Defines the control method used by a power management IC, such as voltage mode, current mode, or hysteretic. This affects transient response, stability, and external component selection. Ensure the mode matches your application's performance needs.

CURRENT-MODE
Control Technique

Specifies the switching regulator control method, such as PWM, PFM, or burst mode. This affects efficiency, noise, and transient response. Engineers should verify the technique against the datasheet to ensure it matches the application's power requirements and EMI constraints.

PULSE WIDTH MODULATION
Maximum Operating Supply Voltage

Highest supply voltage at which the component can operate normally without damage or performance degradation. Exceeding this limit may cause overheating or failure. Always check this parameter against your power supply design to ensure the component operates within its safe voltage range for reliable long-term performance.

260
Triac Type

Specifies the triac construction or series, such as standard, snubberless, or logic-level. This affects switching performance, gate sensitivity, and commutation capability. Verify the exact type against the datasheet to ensure compatibility with your circuit's voltage, current, and triggering requirements.

Active
Nominal Attenuation

Specifies the typical signal loss introduced by the component under standard conditions. Compare this value across similar parts to match your circuit's allowable attenuation. Always verify against the datasheet for frequency and temperature dependencies.

e4
Drain to Source Resistance

This is the on-state resistance between the drain and source terminals of a MOSFET. It affects power dissipation and efficiency. Lower values are preferred for high-current switching. Always check the datasheet for the specified test conditions, as RDS(on) varies with gate voltage and temperature.

EAR99
Transformer Type

Indicates the construction or configuration of the transformer, such as flyback, forward, or planar. Affects performance, size, and application suitability. Refer to datasheet for detailed specifications and recommended usage.

yes
Accessory Type

Specifies the category of accessory or add-on part for electronic components. Use this to filter compatible mounting hardware, connectors, or protective covers. Verify the accessory type against the component datasheet to ensure proper fit and function in your application.

DUAL
Minimum Operating Supply Voltage

Specifies the lowest supply voltage at which the component remains fully functional. Compare this value with your system's power rail tolerance and verify it against the datasheet's recommended operating conditions to ensure reliable startup and operation.

GULL WING
Number of Turns

Number of turns in a coil or winding. Affects inductance, transformer ratio, and impedance. Critical for designing transformers, inductors, and magnetic components. Check datasheet for tolerance.

3.91mm
Typical Quiescent Current (mA)

Typical current consumed by the component in standby or idle state, measured in milliamperes. This is important for battery-powered or low-power applications. Compare this value with your power budget to ensure the component does not drain excessive current when inactive, affecting overall system efficiency.

BIPOLAR
Taper

Specifies the resistance change curve of a potentiometer, such as linear or logarithmic. This affects how the output varies with rotation. Verify the taper type against your circuit requirements and the datasheet to ensure proper volume or control response.

1.75mm
Programming Voltage

Programming voltage is the specific voltage required to write or erase data in programmable devices like EEPROMs, flash memory, or microcontrollers. It must be applied precisely during programming; incorrect levels can cause write failures or permanent damage, so always follow the datasheet's programming procedure.

50ns
Total Resistance

Total resistance is the end-to-end resistance of a component, such as a potentiometer or resistor network. It defines the maximum resistance available and is critical for circuit design. Verify this value against the datasheet to ensure proper operation.

Cut Tape (CT)
Capacitance

Capacitance value of the component, typically expressed in farads (pF, nF, µF). This parameter determines energy storage and filtering characteristics. Compare capacitance when selecting capacitors for power supply decoupling, signal coupling, or timing applications. Always check the rated voltage and tolerance in the datasheet.

1
Connector Support Type

Indicates the mechanical mounting or support method for the connector, such as panel mount, board mount, or free-hanging. This affects installation, vibration resistance, and space requirements. Verify compatibility with your enclosure and PCB layout before ordering.

ACTIVE (Last Updated: 1 week ago)
Max Duty Cycle

Specifies the highest proportion of time the output remains active within a switching period. Compare this limit when selecting power controllers or drivers to ensure stable operation and avoid excessive heat. Verify against the datasheet for your operating conditions.

50 %
Function

Specifies the logical or operational function of the component, such as switching, amplification, or regulation. This attribute helps identify the device's role in a circuit. Verify the function against the datasheet to ensure it matches your application requirements.

Step-Up, Step-Down, Step-Up/Step-Down
Voltage - Supply (Vcc/Vdd)

Indicates the recommended supply voltage range for the component. This is critical for proper operation and must be matched to your power rail. Always verify the absolute maximum ratings and recommended operating conditions in the datasheet to avoid damage or malfunction.

10V~30V
Standard

Industry standard or specification that the component complies with, such as IEEE, IEC, or JEDEC. This ensures interoperability and reliability. Verify that the component meets the required standard for your application to guarantee compatibility with other system components and regulatory compliance.

200mA
Supply Type

Indicates the required power source, such as AC or DC, for the component. Engineers compare this to ensure compatibility with the system's power architecture. Verify the supply type against the datasheet to avoid incorrect power connections.

SWITCHING CONTROLLER
Configuration

Specifies the internal circuit topology or arrangement of the component, such as single, dual, or bridge configuration. This attribute helps engineers select the right part for their circuit design. Always verify the exact configuration against the datasheet to ensure compatibility with your application.

15V
Main Category

Select the primary classification that best describes the component type, such as semiconductor, passive, connector, or module. This helps narrow down the catalog and ensures you compare products within the same functional family. Verify the category matches the datasheet description.

Transistor Driver
Typical Switching Frequency (kHz)

Typical switching frequency of a power converter or driver. Compare this value to your application's needs to ensure efficient operation. Verify against the datasheet for exact conditions.

Switching Regulator or Controllers
Ti

Ti is a specific parameter value for this component. Engineers compare it to datasheet specifications to ensure the part meets design requirements. Verify Ti against the manufacturer's datasheet for your application.

Frequency Control
Telecom IC Type

Specifies the functional category of an integrated circuit designed for telecommunications, such as line interface, switching, or transceiver. This attribute helps engineers select the correct device for their communication system. Verify the exact type against the datasheet to ensure compatibility with your application.

11mA
Core Material

Material used for the magnetic core in inductors, transformers, or ferrite beads. Affects permeability, saturation current, and frequency characteristics. Choose the right core material for your application's operating frequency and power level to optimize efficiency and avoid saturation.

25mA
Topology

Specifies the internal circuit architecture of the power converter, such as flyback, forward, or buck. This determines efficiency, isolation, and component stress. Engineers must verify topology against the datasheet to ensure it matches the intended application and operating conditions.

Boost, Buck, Buck-Boost, Flyback, Forward
Fiber Type

Specifies the optical fiber category used in the component, such as single-mode or multimode. This affects bandwidth, distance, and connector compatibility. Verify the fiber type against your network requirements and the datasheet to ensure proper signal transmission and system performance.

15V
Transmission Media Type

Specifies the physical medium through which signals travel, such as fiber optic, twisted pair, or coaxial cable. This attribute is critical for ensuring compatibility with your network infrastructure and for meeting performance requirements. Verify the media type against your system's specifications and the component datasheet to avoid signal integrity issues.

11V
Operating Supply Voltage (V)

Specifies the nominal or range of DC supply voltage for normal operation. Compare this with your system's power rail to ensure compatibility. Always check the absolute maximum ratings in the datasheet to avoid overvoltage damage.

450kHz
Number of I/Os

Indicates the total count of input/output pins or channels available on the component. Engineers compare this to ensure sufficient connectivity for their application. Verify against the datasheet pinout to confirm exact configuration and compatibility with your design.

75.608178mg
D/A Conversion Type

Specifies the digital-to-analog conversion architecture used in the component. Compare types like R-2R, delta-sigma, or resistor string to match resolution and speed requirements. Verify the exact type in the datasheet for signal integrity.

48%
UC2844AQD8R Product Attribute
ПараметрЗначение
Categories

Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class.

Integrated Circuits (ICs)
Manufacturer

Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.

Texas
Package / Case

Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility.

8-SOIC (0.154, 3.90mm Width)
Thickness

Thickness of the component, a critical dimension for PCB clearance, enclosure fit, and thermal performance. This measurement is especially important for capacitors, inductors, and connectors. Ensure the thickness meets your design constraints and does not interfere with adjacent components. Check the datasheet for tolerance and recommended mounting height.

1.58mm
Housing Material

Specifies the material of the component's outer casing, such as plastic, metal, or ceramic. This affects durability, thermal performance, and environmental resistance. Verify against datasheet for application-specific requirements like flammability or chemical exposure.

ROHS3 Compliant
Terminal Position

Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line.

Surface Mount
Locking Feature

Indicates the locking mechanism used to secure the connector or terminal in place. Choose the appropriate type for your application to ensure reliable mating and vibration resistance. Verify compatibility with the mating part and datasheet specifications.

Lead Free
Input Power-Max (CW)

Indicates the maximum continuous wave input power the component can safely handle without damage or excessive distortion. Exceeding this limit may cause failure. Verify this value against your signal power and consider peak-to-average ratio in modulated systems.

6 Weeks
Flat Flex Type

Specifies the construction style of a flat flexible cable, such as FFC or FPC. This affects flexibility, bend radius, and termination method. Verify the exact type against the datasheet to ensure compatibility with your connector and application requirements.

YES
Converter Type

Identifies the conversion architecture, such as ADC, DAC, or DC-DC. This determines the signal path, interface, and performance characteristics. Verify the type matches your system's analog or digital conversion needs before selecting the part.

1 (Unlimited)
Data Rate

Specifies the maximum data transfer rate the component can handle, typically in bits per second. Compare this value with your system's required throughput to ensure adequate bandwidth. Verify against the datasheet for exact conditions and supported protocols.

8
Threshold Voltage

The minimum gate-to-source voltage that makes the device start conducting. Compare this value across parts to ensure your drive circuit can reliably turn the switch on. Always verify against the datasheet for your operating temperature.

4.9mm
Temperature Grade

Defines the operating temperature range classification for the component, such as commercial, industrial, or automotive. This indicates the environmental conditions the device can withstand. Ensure the grade matches your application's ambient temperature requirements.

8
Specifications

Review the complete technical specifications for this electronic component, including electrical ratings, mechanical dimensions, and environmental limits. Verify these parameters against your application requirements and the manufacturer's datasheet to ensure compatibility and reliable operation.

Nickel/Palladium/Gold (Ni/Pd/Au)
Insertion Method

Specifies how the component is mounted onto the PCB, such as through-hole or surface mount. This affects assembly process, mechanical strength, and thermal performance. Verify compatibility with your manufacturing line and reflow or wave soldering capabilities.

Positive
Sub-Categories

Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application.

PMIC - Voltage Regulators - DC DC Switching Controllers
Radiation Hardening

Indicates if the component is designed to withstand ionizing radiation in space, nuclear, or high-energy physics applications. Compare radiation-tolerant vs. radiation-hardened parts for mission-critical designs. Verify the total ionizing dose (TID) and single-event effect (SEE) ratings in the datasheet.

-40°C~125°C TA
Turn On Time

Time required for the device to transition from off state to fully on state. This parameter is critical for timing analysis in power supplies, drivers, and switching circuits. Verify this value against your system's timing budget and switching frequency requirements.

50 ns
Co-Processors/DSP

Indicates whether the component integrates a co-processor or digital signal processor for specialized tasks. Compare processing capabilities and supported algorithms when selecting devices for compute-intensive applications. Verify architecture and instruction set against your software requirements.

Up to 500kHz
Supplied Contents

Indicates the items included in the product package, such as cables, connectors, mounting hardware, or documentation. Verify this list against the datasheet or manual to ensure you have all necessary components for installation and operation.

No
Dielectric Material

Insulating material used in capacitors, connectors, or substrates, determining electrical performance, temperature stability, and insulation resistance. Choose among ceramic, tantalum, or polymer types based on capacitance, voltage, and frequency requirements. Always confirm the dielectric specification in the datasheet for your application's operating conditions.

25V
Technology

Manufacturing technology or process used for the component, such as thin film, thick film, or semiconductor process. Affects performance, stability, and cost. Confirm the technology matches your application requirements and environmental conditions.

UC2844
Manufacturer's Part No.

The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation.

UC2844AQD8R

Документы уведомлений

PCN / product notice documents

0 документов

Публичные PCN / PDN записи сейчас не показаны

Для UC2844AQD8R сейчас не показан публичный product notice document. Подтвердите PCN, PDN, EOL, date code и lifecycle status во время RFQ до производственной закупки.

Частые вопросы

FAQ по товару

Точные ответы для покупателей, которые проверяют ordering code UC2844AQD8R, упаковку, наличие, datasheet и путь замены.

Что означает UC2844AQD8R?

UC2844AQD8R — это точный ordering code для компонента категории PMIC - Voltage Regulators - DC DC Switching Controllers от Texas Instruments. Текущий корпус указан как 8-SOIC, а контекст позиции включает IC CURR-MODE PWM CTLR 8-SOIC. Используйте полный код при запросе склада, цены, datasheet или compliance-подтверждения.

Как покупателям проверить ordering code UC2844AQD8R?

Рассматривайте UC2844AQD8R как полный ordering code при RFQ и инженерной проверке. Подтвердите указанный корпус 8-SOIC, документацию производителя Texas Instruments, ordering table в datasheet, reel или packing details и требования внутреннего утверждения до замены или выпуска PO.

В каком корпусе поставляется UC2844AQD8R?

UC2844AQD8R сейчас указан с корпусом 8-SOIC от Texas Instruments. Перед утверждением закупки подтвердите manufacturer package drawing, footprint, pinout, tape-and-reel данные и требования к приемке.

UC2844AQD8R сейчас доступен для заказа?

UC2844AQD8R сейчас помечен на странице как позиция с наличием. Перед заказом подтвердите корпус (8-SOIC), указанный склад (21814), доступное количество (17123), нужное количество, срок поставки, финальную цену, compliance-требования и совпадение точного ordering code через RFQ.

Где сравнить альтернативы для UC2844AQD8R?

Для UC2844AQD8R сейчас не опубликован список связанных альтернатив. Отправьте RFQ с количеством, ограничениями по корпусу и требованиями к утверждению, чтобы TrustCompo помогла проверить возможные replacement options.