UCC2946D
Integrated Circuit
Quantity | Unit Price(USD) | Ext. Price |
---|---|---|
1 | $3.589 | $3.59 |
10 | $3.513 | $35.13 |
30 | $3.462 | $103.86 |
100 | $3.413 | $341.30 |
Inventory:9,903
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
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Part Number : UCC2946D
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Package/Case : SOIC (D)-8
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Manufacturer : Texas Instruments
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Components Classification : Supervisors
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Datesheet : UCC2946D DataSheet (PDF)
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Series : UCC2946
Overview of UCC2946D
The UCC2946D is a voltage mode pulse width modulation controller with an integrated 5V regulator and dual output drive stages, optimized for high-speed and low-voltage operations. It provides excellent performance for various power supply applications.
Pinout
The UCC2946D pinout refers to the configuration and function of each pin in its 8-SOIC (0.154", 3.90mm Width) package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the UCC2946D has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- Precision Power Conversion: The UCC2946D offers precision, high frequency operation, and a wide input voltage range, making it suitable for various power supply applications.
- Cycle-by-Cycle Current Limiting: This feature provides thermal shutdown protection, ensuring the device operates within safe temperature limits.
- Thermal Shutdown Protection: The UCC2946D features thermal shutdown protection to prevent damage from overheating.
- Dual Output Drive Stages: The integrated dual output drive stages enable efficient power conversion and precise control over the output voltage.
- 5V Regulator: The built-in 5V regulator provides a stable reference voltage for the device's internal circuits.
Applications
- Versatile Electronic Device: The UCC2946D is suitable for various electronic devices that require precision power conversion, such as battery chargers and DC-DC converters.
- Efficient Battery Charger: This device can be used in battery charging applications where high efficiency and precision are required.
- Compact DC-DC Converter: The UCC2946D is ideal for compact DC-DC converter designs that require low voltage and high frequency operation.
Advantages and Disadvantages
Advantages
- Precision Power Conversion: The UCC2946D offers precision power conversion, ensuring accurate output voltages and efficient energy management.
- High Efficiency Design: This device features a high efficiency design, minimizing heat generation and reducing the risk of overheating.
- Compact Design: The UCC2946D's compact design makes it suitable for space-constrained applications.
- Wide Operating Range: The device operates over a wide input voltage range, making it suitable for various power supply applications.
Disadvantages
- Sensitive to Overvoltage: The UCC2946D is sensitive to overvoltage conditions and may be damaged if the input voltage exceeds its maximum rating.
- Requires Proper Cooling: This device generates heat during operation and requires proper cooling to prevent overheating and damage.
Equivalents
For similar functionalities, consider these alternatives to the UCC2946D:
- LTC3781: The LTC3781 is a high-performance DC-DC converter that offers precision power conversion and thermal shutdown protection.
- MAX1755: The MAX1755 is a compact DC-DC converter that features high efficiency, low noise, and thermal shutdown protection.
- APW7158: The APW7158 is a high-performance DC-DC converter that offers precision power conversion, thermal shutdown protection, and a wide operating range.
Frequently Asked Questions
Q: What is the maximum input voltage for the UCC2946D?
A: The maximum input voltage for the UCC2946D is 15V.
Q: How does the UCC2946D handle overvoltage conditions?
A: The UCC2946D features thermal shutdown protection to prevent damage from overheating in case of an overvoltage condition.
Q: What is the recommended operating temperature range for the UCC2946D?
A: The recommended operating temperature range for the UCC2946D is -40°C to 125°C.
Q: Can the UCC2946D be used in battery charging applications?
A: Yes, the UCC2946D can be used in battery charging applications where high efficiency and precision are required.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Number of supplies monitored | 1 | Threshold voltage 1 (typ) (V) | 1.235 |
Features | Overvoltage monitor only, Reset time delay, Timeout watchdog, Watchdog timer | Reset threshold accuracy (%) | 2 |
Iq (typ) (mA) | 0.012 | Output driver type/reset output | Active-low, Push-Pull |
Supply voltage (min) (V) | 2.1 | Supply voltage (max) (V) | 5.5 |
Rating | Catalog | Watchdog timer WDI (s) | Programmable |
Operating temperature range (°C) | -40 to 85 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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UCC2946D
Integrated Circuit
Inventory:
9,903
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




