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Privacy Policy Terms & Conditions of Use English·日本語·한국어·简体中文 myams · shopping cart (0) About ams Mission Corporate Social Responsibility UN Global Compact Environment Key Facts Milestones Management Supervisory Board Quality Quality It is an ideal power solution for up to three LEDs photoflash applications in all single-cell Lithium-ion/polymer battery powered products. By continuing your visit on our website, you consent to our cookies in accordance with ST Cookies Policy. OK READ MORE Menu Products Explore our product portfolio Aerospace and Defense Products The RT8540 contains over-voltage protection, over-current protection and a thermal management system to protect the device.

Flash and torch safety timers, temperature sensing and short-circuit protection features are also built in. Skyworks offers a broad range of flash drivers from lower current charge, pump-based architectures to high current, synchronous inductive boost solutions to super capacitor-based products to address a wide range of Distributor Name Region Stock Min. These products are ideal for camera flash applications where low noise, low profile, image quality, system safety, and efficiency are critical. http://www.ti.com/lsds/ti/power-management/camera-flash-led-driver-products.page

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The high switching frequency allows the use of a small inductor and output capacitor, making the RT8540 ideally suited for small battery powered applications. NXP® offers the commitment and expertise to help you meet these challenges. Features Proven reliability - NXP has supplied leading lighting manufacturers for over 20 years Highly integrated solutions reduce MyMPS Login Register Language English (United States)中文(中华人民共和国)日本語 (日本)한국어 (대한민국)  |  Quality  |  Community  |  Careers  |  Contact Products Product Category Newly Released Package Information Applications Design Support Design Tools Overview DC/DC All rights reserved.

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The RT8540 also includes STRB0, STRB1, Tx-MASK input to simplify torch and flash synchronization with the camera module. Quicklinks New Products Technical PapersGeneral Terms& Conditions About ams Key Facts Corporate Social ResponsibilityQuality Certification Get Support Demoboards Technical SupportFoundry Design Support Newsletter Receive the latest product updates & news from USA: 781-376-3000 Asia: 886-2-2735-0399 Europe: 33 (0)1 43548540 Categories Serial Boost Camera LED Flash Drivers Charge Pump™ Camera LED Flash Drivers PRODUCTS New Products Featured Products Green Products RoHS Products Literature The default timer can be used to terminate a flash event after a user programmed delay or as a safety feature.

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Led Driver Circuit

Crucial to your success in this area is the right supplier for your components - one who understands the market and the challenges you face in developing new energy-efficient lighting solutions. The transistor switches are pulse width modulated at a fixed frequency of 2MHz. Flash Led Light Download Typical Application Parameters Document Type Document Name Datasheet Evaluation Board Application Note Reliability Report Simulation Tools (Know more) Part # Description Download Related Videos Related News Request Sample To Led Camera Flash Circuit Hard and soft triggering of the flash are supported.

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The RT8540 is available in the tiny WL-CSP-20B 1.82x2.22 (BSC) package to achieve best solution for PCB space and total BOM cost saving. The RT8540 maintains output current regulation by switching the internal high-side and low-side switch transistors. Prices are per unit on the basis of 1k pieces in U.S. Led Driver Ic

The devices include several functions to protect the chip and the power LEDs. The new device also provides extra flash and torch brightness controls, with eight user-selectable levels for the flash and 12 for the torch, as well as a light-sensor input. Product Tree Flash LED supply eDesignSuite Tools & Software Resources Resources Technical Literature (5) Application Note (2) Datasheet (3) Flyers and Brochures (2) Brochures (2) Support & Community Support & Order ORDER Distributor reported inventory date: Richtek About Richtek | Contact Us | English 簡体中文 繁體中文 Product Technical Document Reference Design Design Tools Cross Reference Products Applications Design Support Parametric Search

The device automatically optimizes the LED flash current budget with the battery voltage condition as a feature. STCF03 HIGH POWER WHITE LED DRIVER STCF05 HIGH POWER WHITE LED DRIVER WITH I2C INTERFACE STCF07 High buck-boost power white LED driver STCF04 high-power LED SuperCap driver with I²C interface The Applications Single/Dual/Triple White LED Flash Supply for Cell Phones, Smart Phones, Tablet PC, Digital Cameras and other 3C productions Video Lighting for Digital Video Applications General LED Lighting Applications Mobile phone

The shutdown feature reduces shutdown current to less than 1μA.

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The synchronous buck-boost topology with output current control guarantees the correct LED current over all possible conditions of battery level and LED forward voltage. The RT8540 not only operates as a regulated current source, but also as a voltage Boost regulator with the capability of down output voltage mode. Open detailed view Product Datasheet Demoboard Price (1k)* AS3630 8A Supercap LED-flash driver PDF Request Buy Sample AS3635 Xenon-flash charger, IGBT driver PDF Request Buy These include soft-start control, over-temperature detection/protection and open and shorted LED detection/protection.

RT8540 Status Active Vin (min) (V) 2.5 Vin (max) (V) 5.5 SW Freq (typ) (kHz) 2000 Number of LEDs (max) (pcs) 3 Iout (max)/channel (mA) 800 Iq (typ) (mA) 0.59 Dimming