PCA9922PW,118 NXP Semiconductors, PCA9922PW,118 Datasheet - Page 6

• Manufacturer Part Number: PCA9922PW,118
• Description: IC LED DRIVER LINEAR 16-TSSOP
• Manufacturer: NXP Semiconductors
• Type: Linear (Serial Interface)r

Specifications of PCA9922PW,118

• Package / Case: 16-TSSOP
• Constant Current: Yes
• Number Of Outputs: 8
• Internal Driver: Yes
• Type - Primary: General Purpose
• Type - Secondary: Color
• Frequency: 25MHz
• Voltage - Supply: 3.3 V ~ 5.5 V
• Voltage - Output: 5.5V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 60mA
• Internal Switch(s): Yes
• Low Level Output Current: 19.5 mA
• Operating Supply Voltage: 2.3 V to 5.5 V
• Maximum Supply Current: 485 mA
• Maximum Power Dissipation: 0.25 W
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Topology: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-4775-2

I
2
The master always
C Bus Basics - Address and Data
sends the SCL
(clock) signal.
1010A
Write data
Read data
1010100R/W
S slave address W
A
S slave address R
S slave address W
P
2
A
SDA
SCL
1
A
0
< n data bytes > last data byte
R/W
A
A
<
troller
A
con-
data
data
n data bytes >
data
A
A
A
A
A
2
1
0
New devices can be
easily „clipped on to
an existing bus!
data
data
A
EEPROM
data
A
A
P
P
software with a unique address that can be
AND” connection that allows devices to be
S = Start condition
A = Acknowledge
P = Stop condition
Each device is addressed individually by
Open drain outputs provide for a “wired-
transmitter
receiver
Master
added or removed without impact.
Master
modified by hardware pins.
GPIO
SDA
SDA
SCL
SCL
LED
transmitter
receiver
Slave
Slave
A = Not Acknowledge
R = read (active high)
W = Write (active low)
LCD
35