PCA9634PW NXP Semiconductors, PCA9634PW Datasheet - Page 22

• Manufacturer Part Number: PCA9634PW
• Description: IC, LED DRIVER, RGBA, 20-TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9634PW

• No. Of Outputs: 8
• Output Current: 25mA
• Output Voltage: 5.5V
• Input Voltage: 2.3V To 5.5V
• Dimming Control Type: PWM
• Driver Case Style: TSSOP
• Switching Frequency: 1MHz
• Base Number: 9634
• Operating: RoHS Compliant
• Number Of Segments: 16
• Low Level Output Current: 200 mA
• High Level Output Current: 50 uA
• Operating Supply Voltage: 2.3 V to 5.5 V
• Maximum Supply Current: 10 mA
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-20
• Minimum Operating Temperature: - 40 C
• Led Driver Application: RGB Or RGBA LED Drivers, LED Status Information, Displays, Backlights
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Details

NXP Semiconductors
9. Bus transactions
PCA9634_6
Product data sheet
Fig 13. Write to a specific register
Fig 14. Write to all registers using the Auto-Increment feature
Fig 15. Multiple writes to Individual Brightness registers only using the Auto-Increment feature
(cont.)
(cont.)
S A6
S A6
START condition
START condition
(1) See
A5 A4 A3 A2 A1 A0 0
A5 A4 A3 A2 A1 A0 0
slave address
slave address
SUBADR3 register
PWM6 register
Table 4
S A6
START condition
for register definition.
A5 A4 A3 A2 A1 A0 0
acknowledge
acknowledge
acknowledge
acknowledge
slave address
from slave
from slave
from slave
from slave
R/W
R/W
A
A
A
A
1
Auto-Increment on
1
Auto-Increment on
Auto-Increment
on all registers
increment
on Individual
brightness
registers only
ALLCALLADR register
0
0
PWM7 register
R/W
control register
control register
0
1
0
0
A
acknowledge
from slave
Rev. 06 — 12 September 2008
0
0
X
Auto-Increment flag
acknowledge
acknowledge
PWM0
register
selection
0
MODE1
register
selection
0
X
from slave
from slave
Auto-Increment options
control register
0
1
X D4 D3 D2 D1 D0
condition
0
0
STOP
A
A
A
A
acknowledge
from slave
acknowledge
from slave
P
PWM0 register
MODE1 register
PWM0 register
A
acknowledge
from slave
acknowledge
acknowledge
acknowledge
from slave
data for register D[4:0]
from slave
from slave
A
A
A
8-bit Fm+ I
acknowledge
MODE2 register
PWM1 register
from slave
(1)
PWMx register
condition
002aac141
PCA9634
2
STOP
A
© NXP B.V. 2008. All rights reserved.
C-bus LED driver
acknowledge
acknowledge
P
from slave
from slave
acknowledge
from slave
002aac143
condition
A
A
002aac142
STOP
A
22 of 38
(cont.)
(cont.)
P