LP5526 datasheet(2/39 Pages) TI1

Part #	LP5526

Description	Lighting Management Unit with High Voltage Boost Converter with up to 150mA Serial FLASH LED Driver

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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1

2

3

4

5

E

D

C

B

A

IRT

BLED

GND_

RGB

GPIO

[0]

GPIO

[1]

GND

VREF

GLED

IRGB

GPIO

[2]

VDD1

VDDA

RLED

SCL

SDA

FB

SUB

VDDIO

NRST

GNDT

SW

GND

_SW

MAIN

GND_

WLED

VDD2

LP5526

SW

MAIN

SUB

RLED

GLED

BLED

Li-Ion Battery

or Charger

= 150 mA

= 8V...20 V

FB

VDD2

10 F

L1

10 PH

P

MCU

SCL

SDA

SUB BACKLIGHT

0...25 mA/LED

MAIN BACKLIGHT

0...25 mA/LED

NRST

VDDIO

IRGB

IRT

VDDA

100 nF

VREF

D1

VDD1

100 nF

GND 1-5

100 nF

1 PF

GPIO[0]/PWM

GPIO[1]

GPIO[2]

2 x 4.7 uF

COUT

IMAX

VOUT

CVDDA

CIN

CVDD

CVREF

RRGB

RRT

RSDA

VDDIO

CVDDIO

82 k

Ö

RGB

Up to 50 mA/LED

4.5 V

LP5526

SNVS431C – FEBRUARY 2006 – REVISED JULY 2009

www.ti.com

Connection Diagrams

Figure 1. 25-Bump Thin Micro SMD Package, Large Bump Top View

2

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LP5526 Datasheet(PDF) 2 Page - Texas Instruments

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