PCA9624PW NXP Semiconductors, PCA9624PW Datasheet - Page 23

• Manufacturer Part Number: PCA9624PW
• Description: IC, LED DRIVER, RGBA, 24-TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9624PW

• No. Of Outputs: 8
• Output Current: 100mA
• Output Voltage: 40V
• Input Voltage: 2.3V To 5.5V
• Dimming Control Type: PWM
• Driver Case Style: TSSOP
• Switching Frequency: 1MHz
• Base Number: 9624
• Operating: RoHS Compliant
• Led Driver Application: RGB Or RGBA LED Drivers, LED Status Information, Displays, Backlights
• Rohs Compliant: Yes

NXP Semiconductors
11. Limiting values
PCA9624_2
Product data sheet
Table 13.
In accordance with the Absolute Maximum Rating System (IEC 60134).
[1]
[2]
Symbol
V
V
V
I
I
I
P
P/ch
T
T
T
O(LEDn)
OL(tot)
SS
1. Find P
2. Find T
j
stg
amb
DD
I/O
drv(LED)
tot
– output current (60 mA
– output current (50 mA
– output current (40 mA
– output current (20 mA
– output current (1 mA
Output total power = 341.5 mW
– chip core power consumption = 18 mA
– SCL power dissipation = 25 mA
– SDA power dissipation = 25 mA
P
T
Each bit must be limited to a maximum of 100 mA and the total package limited to 800 mA due to internal
busing limits. The pull-up (current limiting) resistor must be of sufficient size (W) and value ( ) to guarantee
that the 100 mA limit is not exceeded on any output.
Refer to
j
tot
= T
(device total power dissipation) = 460.5 mW
case
j
tot
Limiting values
Section 10.1
(junction temperature):
Parameter
supply voltage
voltage on an input/output pin
LED driver voltage
output current on pin LEDn
total LOW-level output current
ground supply current
total power dissipation
power dissipation per channel
junction temperature
storage temperature
ambient temperature
(device total power dissipation)
+ R
th(j-a)
for calculation.
Rev. 02 — 26 August 2009
P
tot
= 94.6 C + 18 C/W
3 ports); output power (1 mA
1 port); output power (60 mA
6 ports); output power (50 mA
2 ports); output power (40 mA
12 ports); output power (20 mA
0.4 V = 10 mW
0.4 V = 10 mW
Conditions
LED driver outputs;
V
per V
T
T
T
T
operating
amb
amb
amb
amb
OL
8-bit Fm+ I
= 0.5 V
= 25 C
= 85 C
= 25 C
= 85 C
SS
5.5 V = 99 mW
pin
460.5 mW = 102.9 C
2
C-bus 100 mA 40 V LED driver
[1]
[2]
3
1
6
2
Min
V
V
-
800
-
-
-
-
-
-
12
0.5 V) = 1.5 mW
0.5
65
40
SS
SS
0.5 V) = 30 mW
0.5 V) = 150 mW
0.5 V) = 40 mW
PCA9624
0.5
0.5
0.5 V) = 120 mW
© NXP B.V. 2009. All rights reserved.
Max
+6.0
5.5
40
100
-
800
1.8
0.72
100
45
+125
+150
+85
23 of 37
Unit
V
V
V
mA
mA
mA
W
W
mW
mW
C
C
C