PCA9626B,118 NXP Semiconductors, PCA9626B,118 Datasheet - Page 30

• Manufacturer Part Number: PCA9626B,118
• Description: IC LED DRIVER RGBA 48-LQFP
• Manufacturer: NXP Semiconductors
• Type: RGBA LED Driverr

Specifications of PCA9626B,118

• Package / Case: 48-LQFP
• Topology: Open Drain, PWM
• Number Of Outputs: 24
• Internal Driver: Yes
• Type - Primary: Backlight, LED Blinker
• Type - Secondary: RGBA
• Frequency: 1MHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Voltage - Output: 40V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 100mA
• Internal Switch(s): Yes
• Number Of Segments: 24
• Low Level Output Current: 100000 uA (Min)
• Operating Supply Voltage: 2.3 V to 5.5 V
• Maximum Supply Current: 18000 uA
• Maximum Power Dissipation: 1800 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-4774-2

NXP Semiconductors
PCA9626_2
Product data sheet
Fig 15. Read all registers using the Auto-Increment feature
Fig 16. LED All Call I
(cont.)
(cont.)
S A6
START condition
(1) In this example, several PCA9626s are used and the same sequence (A) (above) is sent to each of them.
(2) ALLCALL bit in MODE1 register is previously set to 1 for this example.
(3) OCH bit in MODE2 register is previously set to 1 for this example.
data from MODE2 register
data from last read byte
A5 A4 A3 A2 A1 A0 0
sequence (A)
sequence (B)
This example assumes that the MODE1[5] = 0 and MODE1[6] = 0.
slave address
not acknowledge
acknowledge
from master
from master
S A6
START condition
S
START condition
acknowledge
2
1
C-bus address programming and LED All Call sequence example
from slave
LED All Call I
A5 A4 A3 A2 A1 A0 0
R/W
0
A
A
slave address
1
P
A
STOP
condition
data from PWM0
0
1
Auto-Increment on
2
C address
1
X
(1)
control register
0
acknowledge
acknowledge
acknowledge
0
from master
from slave
register selection
1
4 devices
0
from the
R/W
R/W
MODE1
0
0
Rev. 02 — 31 August 2009
A
A
A
0
X
1
Auto-Increment on
0
X
X
ALLCALLADR register
0
control register
control register
1
X
ReSTART
A
acknowledge
from slave
condition
register selection
data from
ALLCALLADR
Sr
0
0
register selection
A6
0
1
acknowledge
LEDOUT
from master
A5 A4 A3 A2 A1 A0 1
1
0
slave address
24-bit Fm+ I
1
0
A
0
0
the 16 LEDs are on at the acknowledge
A
A
acknowledge
from slave
acknowledge
from the
4 devices
MODE1 register
LEDOUT register (LED fully ON)
new LED All Call I
1
0
acknowledge
data from
from slave
0
1
2
C-bus 100 mA 40 V LED driver
R/W
acknowledge
1
0
from master
A
0
1
data from MODE1 register
1
0
2
C address
A
0
1
acknowledge
acknowledge
(cont.)
from slave
1
0
PCA9626
4 devices
from the
© NXP B.V. 2009. All rights reserved.
acknowledge
(2)
X
1
from master
condition
condition
002aad616
STOP
STOP
A
A
(3)
P
P
002aad615
A
(cont.)
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