pca9624 NXP Semiconductors, pca9624 Datasheet - Page 4
pca9624
Manufacturer Part Number
pca9624
Description
8-bit Fm+ I2c-bus 100 Ma 40 V Led Driver
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9624.pdf
(34 pages)
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Fig 1.
Remark: Only one LED output shown for clarity.
Block diagram of PCA9624
SDA
SCL
V
V
OE
DD
SS
PCA9624
OSCILLATOR
25 MHz
97 kHz
INPUT FILTER
POWER-ON
RESET
24.3 kHz
BRIGHTNESS
REGISTER X
CONTROL
PWM
A0 A1 A2 A3 A4 A5 A6
GRPFREQ
REGISTER
190 Hz
CONTROL
I
2
C-BUS
REGISTER
GRPPWM
'0' – permanently OFF
'1' – permanently ON
REGISTER
SELECT
STATE
LED
CONTROL
MUX/
DRIVER
FET
002aad591
LEDn
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