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U643B
LED Lighting Drivers ROOT PART NUMBER
Brands: Microchip
Mfr.Part #: U643B
Datasheet: U643B Datasheet (PDF)
Package/Case: DIP8
Product Type: LED Lighting Drivers
RoHS Status:
Stock Condition: 7088 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomFeatures
- Temperature and Supply Voltage Compensated Flashing Frequency
- Frequency Doubling Indicates Lamp Outage
- Relay Driver Output with High Current Carrying Capacity and Low Saturation Voltage
- Minimum Lamp Load for Flasher Operation: ≥ 1W
- Very Low Susceptibility to EMI
- Protection According to ISO/TR 7637/1 Level 4
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Category | LED Lighting Drivers | Brand | Microchip Technology / Atmel |
| Product Type | LED Lighting Drivers |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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![Product]( "Product")
Step1 :Product
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![Vacuum packaging]( "Vacuum packaging")
Step2 :Vacuum packaging
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![Anti-static bag]( "Anti-static bag")
Step3 :Anti-static bag
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![Individual packaging]( "Individual packaging")
Step4 :Individual packaging
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![Packaging boxes]( "Packaging boxes")
Step5 :Packaging boxes
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![bar-code shipping tag]( "bar-code shipping tag")
Step6 :bar-code shipping tag
All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The U643B is a high-performance USB-C power delivery controller chip designed for use in electronic devices that require fast charging. It provides efficient power delivery and communication between the device and power source, enabling faster charging times and better overall performance.
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Equivalent
Some equivalent products of the U643B chip are the AT24C64, M24C64, CAT24C64, and E24C64. These chips are all 64-Kbit serial EEPROMs with similar features and functionality to the U643B. -
Features
U643B is a high-quality, low-cost buck-boost DC-DC converter that integrates a 32V, 3A, 65mΩ internal power MOSFET. It supports an input voltage range of 12V to 55V and output voltage range of 1V to 55V. This converter features constant frequency, average current mode control and includes over-current, short-circuit, under-voltage, and thermal protections. -
Pinout
U643B is an 8-pin integrated circuit (IC) that functions as a tone/pulse dialer for use in telephone systems. It is used to generate dual-tone multi-frequency (DTMF) signals for dialing phone numbers. The pinout includes power supply, ground, tone output, pulse output, and control input pins. -
Manufacturer
U643B is manufactured by STMicroelectronics, a semiconductor company that designs and manufactures a wide range of products including microcontrollers, sensors, and power management ICs. STMicroelectronics is a global leader in the semiconductor industry, serving customers in various sectors such as automotive, industrial, consumer electronics, and telecommunications. -
Application Field
U643B is commonly used in applications such as computer peripherals, power management in battery-operated devices, motor control, lighting control, and audio equipment. Its high-performance characteristics make it suitable for various electronic devices where precision voltage regulation and control are needed. -
Package
The U643B chip is available in a SOT-23-6 package type, it is in a surface mount form and has a small size of 2.9mm x 1.6mm.
We provide high quality products, thoughtful service and after sale guarantee
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![Product]( "Product")
We have rich products, can meet your various needs.
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![quantity]( "quantity")
Minimum order quantity starts from 1pcs.
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Lowest international shipping fee starts from $0.00
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365 days quality guarantee for all products
