SKY81296-11-001

PRODUCT SUMMARY SKY81296: 2.4 A/2 A Dual Independent Flash LED Driver with TrueFlashTM Applications Features  LED photo flash with Movie/Torch mode  Input voltage range: 2.5 V to 5.5 V  Camera-enabled mobile devices  Up to 1.5 A regulated output current, up to 2.4 A/2 A total combined output current from both outputs  Cell phones/smartphones  TrueFlashTM:  Digital still cameras  Independent control of each LED using I2C and Flash enable pins  Each flash LED can be configured separately in flash, movie mode, or notification mode  Enables sophisticated flash management to optimize image quality  Multimedia mobile phones L1 1.0 μH VIN 2.5 V to 5.5 V  Up to 90% efficiency SW IN  Input voltage monitoring and dynamic flash current control with readback CIN 4.7 μF Device Enable EN 2 I C Serial Data Input I2C Serial Clock Input  2.75 MHz switching frequency OUT COUT 4.7 μF SDA SCL SKY81296 Flash 1 Enable Flash 2 Enable Flash Inhibit FLEN1 FLEN2 FLINH Flash LEDs VIN R3 t0084 FLT PGND  Separate flash enable/flash inhibit  Programmable blinking LED notification FL1 FL2 AGND  Soft-start and input current limit  Fast Mode Plus 1 MHz I2C programming:      Flash and Movie mode (MM) current Input voltage monitor with programmable thresholds Current read-back in input voltage monitor operation Programmable safety timer Fault read back  Fault protection: Figure 1. SKY81296 Typical Application Circuit Skyworks GreenTM products are compliant with all applicable legislation and are halogen-free. For additional information, refer to Skyworks Definition of GreenTM, document number SQ04–0074.        Integrated flash safety timer Over-voltage protection (open LED, open circuit) Short circuit Over-temperature protection Programmable inductor current limit Flash mode input voltage monitor Open-drain fault output  40 ºC to +85 ºC temperature range  Small WLCSP (20-bump, 1.75 mm  2.30 mm, 0.4 mm pitch) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 203109B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 14, 2015 1 PRODUCT SUMMARY • SKY81296: 2.4 A/2 A DUAL INDEPENDENT FLASH LED DRIVER WITH TRUEFLASHTM Ordering Information Model Name Package Manufacturing Part Number Evaluation Board Part Number SKY81296 2.4 A Dual Flash LED Driver with I C Control Interface 1.75 mm  2.30 mm, 20-bump WLCSP SKY81296-11-001 SKY81296-EVB SKY81296 2 A Dual Flash LED Driver with I2C Control Interface 1.75 mm  2.30 mm, 20-bump WLCSP SKY81296-12-001 SKY81296-EVB 2 Copyright © 2014-2015 Skyworks Solutions, Inc. 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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 2 January 14, 2015 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 203109B