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LP5012 Scheda tecnica(PDF) 35 Page - Texas Instruments

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Il numero della parte LP5012
Spiegazioni elettronici  LP50xx 9-, 12-Channel, 12-Bit PWM Ultra-low Quiescent Current I2C RGB LED Drivers
PDF  51 Pages
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

LP5012 Scheda tecnica(HTML) 35 Page - Texas Instruments

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9 Application and Implementation
Note
Information in the following applications sections is not part of the TI component specification, and TI
does not warrant its accuracy or completeness. TI’s customers are responsible for determining
suitability of components for their purposes. Customers should validate and test their design
implementation to confirm system functionality.
9.1 Application Information
The LP50xx device is a 9- or 12-channel constant-current-sink LED driver. The LP50xx device improves the user
experience in color mixing and intensity control, for both live effects and coding effort. The optimized
performance for RGB LEDs makes it a good choice for human-machine interaction applications.
9.2 Typical Application
The LP50xx design supports up to four devices in parallel with different configurations on the ADDR0 and
ADDR1 pins.
EN
SDA
SCL
OUT0
OUT1
OUT11
MCU
VC
C
GND
LP5012
ADDR
0
OUT2
VLED
VCC
IREF
OUT10
OUT9
VCAP
ADDR
1
CVCAP
RIREF
VMCU
EN
SDA
SCL
OUT0
OUT1
OUT11
VC
C
GND
LP5012
ADDR
0
OUT2
VLED
VCC
IREF
OUT10
OUT9
VCAP
ADDR
1
CVCAP
RIREF
RPULLUP
RPULLUP
CVCC
CVCC
Figure 9-1. Driving Dual LP5012 Application Example
www.ti.com
LP5009, LP5012
SLVSEH2B – MAY 2019 – REVISED AUGUST 2020
Copyright © 2020 Texas Instruments Incorporated
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Product Folder Links: LP5009 LP5012



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