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PCA9552PW 用户编程技术手册 - NXP（恩智浦）
制造商:
NXP（恩智浦）
分类:
主动器件
封装:
TSSOP
描述:
16位I2C总线LED驱动器，具有可编程闪烁速率 16-bit I2C-bus LED driver with programmable blink rates
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PCA9552PW数据手册
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PCA9552_5 © Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet Rev. 05 — 9 March 2006 4 of 28
Philips Semiconductors
PCA9552
16-bit I
2
C-bus LED driver with programmable blink rates
5.2 Pin description
[1] HVQFN package die supply ground is connected to both V
SS
pin and exposed center pad. V
SS
pin must be
connected to supply ground for proper device operation. For enhanced thermal, electrical, and board level
performance, the exposed pad needs to be soldered to the board using a corresponding thermal pad on the
board and for proper heat conduction through the board, thermal vias need to be incorporated in the
printed-circuit board in the thermal pad region.
Table 2: Pin description
Symbol Pin Description
SO24, TSSOP24 HVQFN24
A0 1 22 address input 0
A1 2 23 address input 1
A2 3 24 address input 2
LED0 4 1 LED driver 0
LED1 5 2 LED driver 1
LED2 6 3 LED driver 2
LED3 7 4 LED driver 3
LED4 8 5 LED driver 4
LED5 9 6 LED driver 5
LED6 10 7 LED driver 6
LED7 11 8 LED driver 7
V
SS
12 9
[1]
ground supply
LED8 13 10 LED driver 8
LED9 14 11 LED driver 9
LED10 15 12 LED driver 10
LED11 16 13 LED driver 11
LED12 17 14 LED driver 12
LED13 18 15 LED driver 13
LED14 19 16 LED driver 14
LED15 20 17 LED driver 15
RESET 21 18 active LOW reset input
SCL 22 19 serial clock line
SDA 23 20 serial data line
V
DD
24 21 supply voltage
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