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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LP5523 датащи(PDF) 1 Page - Texas Instruments |
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LP5523 датащи(HTML) 1 Page - Texas Instruments |
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1 / 56 page  LP5523 D1 D2 D4 D7 VOUT COUT 1 PF C2 0.47 PF ASEL0 ASEL1 GND MCU SCL SDA EN CLK TRIG INT CIN 1 PF VIN = 2.7V TO 5.5V VDD C1 0.47 PF C1+ C1- C2+ C2- GPO B G R D3 D8 B G R B G R D6 D5 D9 LP5523 D2 D3 D1 VOUT COUT 1 PF C2 0.47 PF ASEL0 ASEL1 GND MCU SCL SDA EN CLK TRIG INT CIN 1 PF VIN = 2.7V TO 5.5V VDD C1 0.47 PF C1+ C1- C2+ C2- GPO D6 D5 D4 D9 D8 D7 RGB LED APPLICATION WLED APPLICATION NOTE: D7, D8 AND D9 POWERED DIRECTLY FROM VIN LP5523 www.ti.com SNVS550D – SEPTEMBER 2009 – REVISED MAY 2013 LP5523 Programmable 9-Output LED Driver Check for Samples: LP5523 1 FEATURES APPLICATIONS 2 • Three Independent Program Execution • Fun Lights and Indicator Lights Engines, 9 Programmable Outputs with 25.5 • LED Backlighting mA Full-Scale Current, 8-Bit Current Setting • Haptic Feedback Resolution and 12-Bit PWM Control Resolution • Programmable Current Source • Adaptive High-Efficiency 1x/1.5x Fractional Charge Pump - Efficiency Up to 94% DESCRIPTION • LED Drive Efficiency Up to 93% The LP5523 is a 9-channel LED driver designed to • Charge Pump with Soft Start and Over- produce lighting effects for mobile devices. A high- efficiency charge pump enables LED driving over full Current/Short-Circuit Protection Li-Ion battery voltage range. The device is equipped • Built-in LED Test with an internal program memory, which allows • 200 nA Typical Standby Current operation without processor control. • Automatic Power Save Mode; IVDD = 10 µA The LP5523 maintains excellent efficiency over a (typ.) wide operating range by autonomously selecting the • Two-Wire I2C-Compatible Control Interface best charge pump gain based on LED forward voltage requirements. LP5523 is able to automatically • Flexible Instruction Set enter power-save mode when LED outputs are not • Large SRAM Program Memory active, thus lowering idle current consumption down • Small Application Circuit to 10 µA (typ). • Source (High-Side) Drivers • Architecture Supports Color Control Typical Application 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2009–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Аналогичный номер детали - LP5523 |
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Аналогичное описание - LP5523 |
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