
UC2844AQDR PMIC - Voltage Regulators - DC DC Switching Controllers от Texas Instruments
UC2844AQDR — это компонент категории PMIC - Voltage Regulators - DC DC Switching Controllers от Texas Instruments в упаковке 14-SOIC. Его обычно проверяют для IC CURR-MODE PWM CTLR 14-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.
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- 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
UC2844AQDR
- Внутренний код
TCE000102685
- Упаковка
14-SOIC
- Производитель
- Texas Instruments
Ключевые характеристики
- Серия
-
- Минимальное количество
1
- Категория
- Integrated Circuits (ICs)
- Описание
IC CURR-MODE PWM CTLR 14-SOIC
- Основные характеристики
-
Сигналы доверия
Качество и доверие
Проверьте credentials TrustCompo, поддержку traceability, anti-counterfeit handling и inspection controls перед отправкой RFQ.
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 UC2844AQDR до RFQ, выпуска PO и планирования отгрузки.
- 1
Подтвердить MPN
Укажите точный part number, производителя, package и approval constraints в RFQ.
- 2
Проверить склад и цену
Проверьте live availability, MOQ, lead time, финальную цену и налоговые условия до PO.
- 3
Согласовать документы
Подтвердите datasheet, CoC, traceability, lifecycle notes и scope инспекции, если требуется.
- 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: UC2844AQDR
- Корпус для проверки: 14-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 UC2844AQDR 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 UC2844AQDR от Texas Instruments, включая package, series, key attributes и technical values для engineering и sourcing review.
Product Attribute
Part Status
Active
Product Attribute
Lead Free
Lead Free
Product Attribute
Mounting Type
Surface Mount
Product Attribute
Lifecycle Status
ACTIVE (Last Updated: 6 days ago)
Product Attribute
Factory Lead Time
6 Weeks
Product Attribute
Packaging
Cut Tape (CT)
| Параметр | Значение |
|---|---|
Part Status Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status. | Active |
Lead Free Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations. | Lead Free |
Mounting Type Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements. | Surface Mount |
Lifecycle Status Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime. | ACTIVE (Last Updated: 6 days ago) |
Factory Lead Time Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions. | 6 Weeks |
Packaging Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility. | Cut Tape (CT) |
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) |
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. | DUAL |
Peak Reflow Temperature (Cel) Maximum temperature during reflow soldering that the component can withstand. This is critical for solder joint reliability and preventing damage. Verify that the peak reflow temperature is compatible with your soldering profile and the component's moisture sensitivity level. | 260 |
Terminal Form Describes the physical configuration of the component's leads or pads, such as through-hole, surface mount, or gull-wing. This affects PCB layout, soldering process, and mechanical fit. Confirm compatibility with your assembly method and footprint. | GULL WING |
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 |
Width Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure. | 3.91mm |
Height Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations. | 1.75mm |
Operating Temperature Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings. | -40°C~125°C TA |
Length Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design. | 8.65mm |
Subcategory A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications. | Switching Regulator or Controllers |
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. | 14-SOIC (0.154, 3.90mm Width) |
Surface Mount Mounting type: surface mount or through-hole. Surface mount components are placed directly on the PCB, saving space and enabling automated assembly. Through-hole components offer stronger mechanical bonds. Verify the mounting style matches your PCB design and assembly process. | YES |
Number of Pins Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection. | 14 |
Number of Terminations Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity. | 14 |
Pb-Free Code Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance. | yes |
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. | BIPOLAR |
Number of Outputs Specifies how many independent output channels the component provides. Compare this when selecting power supplies, drivers, or modules to ensure the device can drive all required loads. Always verify against the datasheet for exact output configuration. | 1 |
Operating Supply Voltage Specifies the voltage range within which the component operates correctly. Check the datasheet to ensure your power supply meets the minimum and maximum limits, as exceeding them can damage the device or cause malfunction. | 30V |
Output Current Current supplied at the output, indicating the load-driving capability of the component. This is crucial for ensuring the component can drive downstream circuitry without overheating or voltage drop. Compare with your load requirements and check the datasheet for maximum ratings. | 200mA |
Output Voltage Specifies the regulated voltage level available at the output pin under specified load and input conditions. Compare this value with your circuit requirements and verify against the datasheet's tolerance and temperature derating. | 15V |
Quiescent Current Quiescent current is the current drawn by the device when it is in standby or no-load condition. It affects battery life in portable applications. Compare this value across similar components to ensure low power consumption. Always verify against the datasheet for your specific operating conditions. | 11mA |
Supply Voltage Specifies the nominal operating voltage that must be applied to the component for proper function. Verify this value against your system's power rail and the datasheet's absolute maximum ratings to ensure reliable operation and avoid damage. | 11V |
Synchronous Rectifier Indicates whether the device uses synchronous rectification to improve efficiency by replacing diodes with low-resistance MOSFETs. Check this attribute when comparing power supply designs, as it affects thermal performance and conversion losses. Verify against the datasheet for the specific topology. | No |
Output Type Specifies the electrical form of the output signal, such as digital, analog, or open collector. This determines how the component interfaces with your circuit. Verify the output type against your system requirements and the datasheet to ensure proper signal compatibility and avoid logic level mismatches. | Transistor Driver |
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 |
Data Rate (Max) Maximum data transfer rate supported. This is crucial for high-speed communication interfaces. Ensure the component can handle your required throughput with margin. Compare with the datasheet's specifications to avoid bottlenecks in your data path. | PULSE WIDTH MODULATION |
Frequency Operating frequency of the component, typically the clock or switching frequency. This determines the speed of operation and affects power dissipation and signal integrity. Verify the frequency range against your application's requirements and the datasheet specifications. | 450kHz |
Duty Cycle (Max) Maximum ratio of on-time to switching period for PWM controllers and power converters. Compare this value when selecting devices for applications requiring precise pulse width modulation. Verify against the datasheet to ensure the device can sustain the required duty cycle without performance degradation. | 48% |
ESD Protection Indicates whether the component has built-in electrostatic discharge protection. This is crucial for devices that interface with external connectors or are handled during assembly. ESD protection helps prevent damage from static electricity, improving reliability in harsh environments. Verify if your application requires this feature. | Boost, Buck, Buck-Boost, Flyback, Forward |
Package Contents Specifies the items included in the product package, such as connectors, cables, mounting hardware, or documentation. Verify this list against the datasheet or manual to ensure you have all necessary components for installation and operation. | 50 ns |
Display & Interface Controllers Specifies the type of controller IC used to drive displays or manage communication interfaces. Verify compatibility with your display panel or bus protocol. Compare power consumption, supported resolutions, and interface standards before selecting a part for your design. | Step-Up, Step-Down, Step-Up/Step-Down |
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. | UC2844AQDR |
Base Part Number Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in. | UC2844 |
Weight Specifies the physical weight of the electronic component, important for logistics, shipping cost, and mechanical design. Verify the exact weight in the datasheet or packaging information, as it may vary with packaging type and quantity. | 145.603151mg |
| Параметр | Значение |
|---|---|
RoHS Status Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details. | ROHS3 Compliant |
Moisture Sensitivity Level (MSL) Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions. | 1 (Unlimited) |
JESD-609 Code This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning. | e4 |
ECCN Code Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally. | EAR99 |
| Параметр | Значение |
|---|---|
Terminal Finish Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance. | Nickel/Palladium/Gold (Ni/Pd/Au) |
Output Configuration Specifies the topology of the output stage, such as push-pull, open collector, or half-bridge. This determines how the device drives loads and interfaces with external circuitry. Verify against the datasheet to ensure compatibility with your application's requirements. | Positive |
Analog IC - Other Type Select this category when the analog integrated circuit does not fit standard classifications like op-amps, comparators, or regulators. Verify the exact function and pinout in the datasheet to ensure compatibility with your circuit design and performance requirements. | SWITCHING CONTROLLER |
Total Dose Total ionizing dose tolerance for radiation-hardened components. Indicates maximum cumulative radiation exposure before performance degrades. Critical for aerospace, nuclear, and medical applications. Verify against datasheet for mission-specific radiation requirements. | 1.58mm |
Rise Time Time required for a signal to transition from a low to a high level, typically measured between 10% and 90% of the amplitude. Important for digital interfaces, switching regulators, and pulse circuits. Check the datasheet for test conditions and load capacitance. | 50ns |
Control Features Specifies additional control functions like enable, soft-start, or power-good. These features affect system design and sequencing. Verify which controls are available in the datasheet to ensure compatibility with your application requirements. | Frequency Control |
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. | CURRENT-MODE |
Frequency - Switching Indicates the switching frequency of a power converter or regulator. Higher frequencies allow smaller magnetics but may increase losses. Compare with your design's efficiency and EMI requirements, and verify the actual range in the datasheet. | Up to 500kHz |
Maximum Supply Current Indicates the highest current the device draws from its power supply under specified conditions. Compare this value when evaluating power budgets and thermal management. Always verify against the datasheet for your operating voltage and load. | 25mA |
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 |
RF Family/Standard Indicates the wireless communication standard or protocol family, such as Bluetooth, Wi-Fi, or Zigbee. Helps identify compatibility with target applications and system requirements. Verify against the datasheet to ensure the device supports the required RF standard. | 15V |
Number of Backplanes Indicates how many backplane boards the system or chassis can accommodate. Compare this value with your enclosure's slot capacity and the backplane's form factor to ensure proper fit and signal routing. Verify against the datasheet for supported configurations. | 50 % |
Input Voltage (Max) Specifies the highest DC or AC voltage that can be safely applied to the input pins without causing damage or malfunction. Verify this limit against your power supply design and derating requirements to ensure reliable operation over the full temperature range. | 25V |
Документы уведомлений
PCN / product notice documents
Публичные PCN / PDN записи сейчас не показаны
Для UC2844AQDR сейчас не показан публичный product notice document. Подтвердите PCN, PDN, EOL, date code и lifecycle status во время RFQ до производственной закупки.
Связанные варианты закупки
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Частые вопросы
FAQ по товару
Точные ответы для покупателей, которые проверяют ordering code UC2844AQDR, упаковку, наличие, datasheet и путь замены.
Что означает UC2844AQDR?
UC2844AQDR — это точный ordering code для компонента категории PMIC - Voltage Regulators - DC DC Switching Controllers от Texas Instruments. Текущий корпус указан как 14-SOIC, а контекст позиции включает IC CURR-MODE PWM CTLR 14-SOIC. Используйте полный код при запросе склада, цены, datasheet или compliance-подтверждения.
Как покупателям проверить ordering code UC2844AQDR?
Рассматривайте UC2844AQDR как полный ordering code при RFQ и инженерной проверке. Подтвердите указанный корпус 14-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 UC2844AQDR?
UC2844AQDR сейчас указан с корпусом 14-SOIC от Texas Instruments. Перед утверждением закупки подтвердите manufacturer package drawing, footprint, pinout, tape-and-reel данные и требования к приемке.
UC2844AQDR сейчас доступен для заказа?
UC2844AQDR сейчас помечен на странице как позиция с наличием. Перед заказом подтвердите корпус (14-SOIC), указанный склад (56331), доступное количество (25489), нужное количество, срок поставки, финальную цену, compliance-требования и совпадение точного ordering code через RFQ.
Где сравнить альтернативы для UC2844AQDR?
Для UC2844AQDR сейчас не опубликован список связанных альтернатив. Отправьте RFQ с количеством, ограничениями по корпусу и требованиями к утверждению, чтобы TrustCompo помогла проверить возможные replacement options.





