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LP5523 Datenblatt(PDF) 2 Page - Texas Instruments

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Teilenummer LP5523
Bauteilbeschribung  LP5523 Programmable 9-Output LED Driver
PDF  56 Pages
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP5523 Datenblatt(HTML) 2 Page - Texas Instruments

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LP5523
SNVS550D – SEPTEMBER 2009 – REVISED MAY 2013
www.ti.com
DESCRIPTION (CONTINUED)
The LP5523 has an I2C-compatible control interface with four pin selectable addresses. The device has a flexible
General Purpose Output (GPO), which can be used as a digital control pin for other devices. INT pin can be
used to notify processor when a lighting sequence has ended (interrupt -function). Also, the device has a trigger
input interface, which allows synchronization, for example, between multiple LP5523 devices.
The device requires only four small and low-cost ceramic capacitors. The LP5523 is available in a tiny 25-bump
2.27 mm x 2.27 mm x 0.60 mm DSBGA package (0.4 mm pitch).
Connection Diagrams
Figure 1. Thin DSBGA 25-bump
Figure 2. Thin DSBGA 25-bump
Package Number YFQ0025LLA
Package Number YFQ0025LLA
Top View
Bottom View
PIN DESCRIPTIONS(1)
Pin
Name
Type
Description
A1
D1
A
Current source output 1
A2
D2
A
Current source output 2
A3
VOUT
A
Charge pump output
A4
C2
−
A
Flying capacitor 2 negative terminal
A5
C2+
A
Flying capacitor 2 positive terminal
B1
D3
A
Current source output 3
B2
D4
A
Current source output 4
B3
ASEL1
I
Serial interface address select input
B4
C1
−
A
Flying capacitor 1 negative terminal
B5
C1+
A
Flying capacitor 1 positive terminal
C1
D5
A
Current source output 5
C2
D6
A
Current source output 6
C3
ASEL0
I
Serial interface address select input
C4
EN
I
Enable
C5
VDD
P
Input power supply
Current source output 7.
D1
D7
A
Note: powered from VDD
Current source output 8.
D2
D8
A
Note: powered from VDD
D3
INT
OD/O
Interrupt for microcontroller unit. Leave unconnected if not used
(1)
A: Analog Pin G: Ground Pin P: Power Pin I: Input Pin I/O: Input/Output Pin O: Output Pin OD: Open Drain Pin
2
Submit Documentation Feedback
Copyright © 2009–2013, Texas Instruments Incorporated
Product Folder Links: LP5523



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