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LP5521 Datasheet(PDF) 3 Page - Texas Instruments

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Part # LP5521
Description  LP5521 Programmable Three-Channel LED Driver
Download  48 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP5521 Datasheet(HTML) 3 Page - Texas Instruments

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1
8
13
20
Pin 1
2
3
4
5
6
7
9
10
11
12
14
15
16
17
18
19
21
22
23
24
1
8
13
20
2
3
4
5
6
7
9
10
11
12
14
15
16
17
18
19
21
22
23
24
Pin 1
1
2
3
4
A
B
C
D
E
TRIG
SDA
SCL
EN
G
ADDR
SEL0
INT
R
ADDR
SEL1
B
CFLY
2P
CFLY
1P
CLK
32K
GND
VDD
GND
CFLY
2N
VOUT
CFLY
1N
GPO
1
2
3
4
E
D
C
B
A
TRIG
SDA
SCL
EN
G
ADDR
SEL0
INT
R
ADDR
SEL1
B
CFLY
2P
CFLY
1P
CLK
32K
GND
VDD
GND
CFLY
2N
VOUT
CFLY
1N
GPO
3
LP5521
www.ti.com
SNVS441H – JANUARY 2007 – REVISED MAY 2016
Product Folder Links: LP5521
Submit Documentation Feedback
Copyright © 2007–2016, Texas Instruments Incorporated
5 Pin Configuration and Functions
YFQ Package
20-Pin DSBGA
Top View
NJA Package
24-Pin WQFN
Top View
DSBGA
20-Pin
Bottom View
WQFN
24-Pin
Bottom View
(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
Pin Functions LP5521TM
PIN
TYPE(1)
DESCRIPTION
NUMBER
NAME
1A
B
A
Current source output
1B
G
A
Current source output
1C
R
A
Current source output
1D
SCL
I
I2C Serial interface clock input
1E
SDA
I/OD
I2C Serial interface data input/output
2A
VOUT
A
Charge pump output
2B
ADDR_SEL1
I
I2C address select input
2C
ADDR_SEL0
I
I2C address select input
2D
GPO
O
General purpose output
2E
EN
I
Chip enable
3A
CFLY2N
A
Negative terminal of charge pump fly capacitor 2
3B
CFLY1N
A
Negative terminal of charge pump fly capacitor 1
3C
GND
G
Ground
3D
CLK_32K
I
32-kHz clock input


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