PCA9624PW NXP Semiconductors, PCA9624PW Datasheet - Page 24

• 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
12. Thermal characteristics
PCA9624_2
Product data sheet
Table 14.
[1]
Table 15.
[1]
Measurement
T
T
T
Symbol
R
R
amb
amb
amb
th(j-a)
th(j-c)
maximum power
dissipation (chip + output
drivers)
maximum power
dissipation (output drivers
only)
maximum drive current
per channel
maximum power
dissipation (chip + output
drivers)
maximum power
dissipation (output drivers
only)
maximum drive current
per channel
maximum power
dissipation (chip + output
drivers)
maximum power
dissipation (output drivers
only)
maximum drive current
per channel
This value signifies package’s ability to handle more than 100 mA per output driver. The device’s maximum
current rating per output is 100 mA.
Calculated in accordance with JESD 51-7.
= 25 C
= 60 C
= 80 C
TSSOP24 versus HVQFN24 power dissipation and output current capability
Thermal characteristics
Parameter
thermal resistance from junction to ambient
thermal resistance from junction to case
Rev. 02 — 26 August 2009
-------------------------------- -
8-bit
-------------------------------- -
8-bit
-------------------------------- -
8-bit
851 mW
527 mW
342 mW
0.5 V
TSSOP24
0.5 V
926 mW
851 mW
602 mW
527 mW
417 mW
342 mW
0.5 V
=
8-bit Fm+ I
=
=
212.75 mA
131.8 mA
85.5 mA
[1]
[1]
Conditions
TSSOP24
HVQFN24
TSSOP24
HVQFN24
2
C-bus 100 mA 40 V LED driver
-------------------------------- -
8-bit
-------------------------------- -
8-bit
-------------------------------- -
8-bit
1365 mW
2150 mW
925 mW
0.5 V
HVQFN24
0.5 V
0.5 V
2220 mW
2150 mW
1440 mW
1365 mW
1000 mW
PCA9624
925 mW
© NXP B.V. 2009. All rights reserved.
[1]
[1]
[1]
[1]
Typ
108
45
30
19.6
=
=
=
341.25 mA
537.5 mA
231.3 mA
Unit
24 of 37
C/W
C/W
C/W
C/W
[1]
[1]
[1]