PCA9622BS NXP [NXP Semiconductors], PCA9622BS Datasheet - Page 4
PCA9622BS
Manufacturer Part Number
PCA9622BS
Description
16-bit Fm+ I2C-bus 100 mA 40 V LED driver
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCA9622BS.pdf
(39 pages)
Fig 1.
Remark: Only one LED output shown for clarity.
Block diagram of PCA9622
SDA
SCL
V
V
OE
DD
SS
PCA9622
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
002aad528
LEDn
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