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IC LED DRVR REG PWM 20WLCSP
| Hersteller : | Richtek Technology Corporation |
|---|---|
| Verpackung/Behälter : | 20-UFBGA, WLCSP |
| Produkt der Kategorien : | PMIC - LED Drivers |
| Datasheet: | RT8555AWSC Datasheet (PDF) |
| RoHs Status: | Lead free / RoHS Compliant |
| Lagerbestand: | 2595 |
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RT8555AWSC Beschreibung
The RT8555AWSC is a high efficiency driver for white LEDs. It is suitable for single/two cell battery input to drive LED light bars which contains six strings in parallel and up to 10 WLEDs per string. The internal current sinks support a maximum of ±2% current mismatching for excellent brightness uniformity in each string of LEDs. To provide enough headroom for current sink operation, the Boost controller monitors the minimum voltage of the feedback pins and regulates an optimized output voltage for power efficiency. The RT8555AWSC has a wide input voltage operating range from 2.7V to 24V and contains I2C interface for controlling the dimming mode, operating frequency and the LED current. The internal 100mΩ, 36V power switch with current-mode control provides over-current protection. The switching frequency of the RT8555AWSC is adjustable from 300kHz to 2MHz, which allows flexibility between efficiency and component size. The RT8555AWSC is available in the WL-CSP-20B 1.65 x 2.05 (BSC), with pitch 0.4mm package.
Feature
- Wide Operating Input Voltage : 2.7V to 24V
- High Output Voltage : Up to 36V
- Programmable Channel Current : 10mA to 35mA
- Channel Current Regulation with Accuracy ±3% and Matching ±2%
- Dimming Controls► Direct PWM Dimming up to 20kHz and Minimum On-Time to 400ns► PWM to Analog Dimming up to 20kHz with 8-bit Resolution
- I2C Programs LED Current, Switching Frequency, Dimming Mode
- Embedded Memory by OTP
- Switching Frequency : 300kHz to 2MHz
- Protections► LED Strings Open Detection► Current Limit ► Programmable Over Voltage Protection► Over-Temperature Protection
- 20-Ball WL-CSP, with pitch 0.4mm Package
- RoHS Compliant and Halogen Free
Anwendungen
- Tablet and Notebook Backlight
(Bild: Diagram)
Technische Parameter
- Type
- DC DC Regulator
- Topology
- Step-Up (Boost)
- Internal Switch(s)
- Yes
- Number of Outputs
- 6
- Voltage Supply (Min)
- 2.7V
- Voltage Supply (Max)
- 24V
- Voltage Output
- 36V
- Current Output / Channel
- 35mA
- Frequency
- 300kHz ~ 2MHz
- Dimming
- Analog, PWM
- Applications
- Backlight
- Operating Temperature
- -40??C ~ 85??C (TA)
- Mounting Type
- Surface Mount
- Package / Case
- 20-UFBGA, WLCSP
- Supplier Device Package
- 20-WLCSP (1.65x2.05)
RT8555AWSC Datasheet
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RT8555
RT8555AWSC Verwandte besondere
Ratings and Reviews (1)
- 5 / 5
- 5 Stars 100%
- 4 Stars 0%
- 3 Stars 0%
- 2 Stars 0%
- 1 Stars 0%
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**aniv***2019-12-16
Very good. Great seller.
- Zahlung:
- Fracht:
Fracht & Zahlung
Fracht
- Liefer-Type
- Schiff Fee
- Lead Time
- DHL
- $20.00-$40.00 (0.50 KG)
- 2-5 days
- Fedex
- $20.00-$40.00 (0.50 KG)
- 3-7 days
- UPS
- $20.00-$45.00 (0.50 KG)
- 2-5 days
- TNT
- $25.00-$65.00 (0.50 KG)
- 2-5 days
- EMS
- $25.00-$45.00 (0.50 KG)
- 5-14 days
- REGISTERED AIR MAIL
- $2.00-$3.00 (0.10 KG)
- 7-30 days
Processing Time：Shipping fee depend on different zone and country.
Zahlung
- Zahlungsbedingungen
- Hand Fee
- Wire Transfer
- charge US$30.00 banking fee.
- Paypal
- charge 4.0% service fee.
- Credit Card
- charge 3.5% service fee.
- Western Union
- charge US$0.00 banking fee.
- Money Gram
- charge US$0.00 banking fee.
Wir bieten qualitativ hochwertige Produkte, aufmerksamen Service und nach dem Verkauf Garantie
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Wir haben reiche Produkte, können Ihre verschiedenen Bedürfnisse erfüllen.
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Mindestbestellmenge beginnt 1pcs.
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Niedrigsten Transportgebühr beginnt bei US $ 2,00.
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90 Tage Qualitätsgarantie für alle Produkte.
Verpackung
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Step1: Products
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Step2: Vacuum Packaging
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Step3: Anti-Static Bag
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Step4: Individual Packaging
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Step5: Packaging Boxes
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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.
Garantien
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.
FAQ:
- Q: How does Jotrin guarantee that RT8555AWSC is the original manufacturer or agent of RICHTEK?
- We have a professional business development department to strictly test and verify the qualifications of RICHTEK original manufacturers and agents. All RICHTEK suppliers must pass the qualification review before they can publish their RT8555AWSC devices; we pay more attention to the channels and quality of RT8555AWSC products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of RT8555AWSC chips? Including RICHTEK original factory information, PMIC - LED Drivers application, RT8555AWSC pictures?
- You can use Jotrin's intelligent search engine, or filter by LED Driver ; White LED Driver category, or find it through Richtek Technology Corporation Information page.
- Q: Are the RICHTEK's RT8555AWSC price and stock displayed on the platform accurate?
- The RICHTEK's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for RT8555AWSC, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
- Q: Can I place an order offline?
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Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online. - Q: What forms of payment can I use in Jotrin?
- TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
- Q: How is the shipping arranged and track my package?
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Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days. - Q: What is the process for returns or replacement of RT8555AWSC?
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the RT8555AWSC we delivered, we will accept the replacement or return of the RT8555AWSC only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of RT8555AWSC.
(3)The RT8555AWSC is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy. - Q: How to contact us and get support, such as RT8555AWSC datasheet pdf, RT8555 pin diagram?
- Need any After-Sales service, please feel free contact us: sales@jotrin.com
Richtek Technology Corporation
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