PCA9634PW NXP Semiconductors, PCA9634PW Datasheet - Page 18

• 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
Table 15.
When OE = 1, LED output state is controlled only by OUTNE[1:0] bits (MODE2 register).
[1]
PCA9634_6
Product data sheet
LEDOUT
00
LED driver off
01
LED driver on
10
Individual
brightness
control
11
Individual +
Group
dimming/blinking
External pull-up or LED current limiting resistor connects LEDn to V
Output transistors based on LEDOUT registers, INVRT and OUTDRV bits when OE = 0
INVRT
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
OUTDRV
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Upper transistor
(V
off
on
off
off
off
off
off
on
off
Individual PWM
(non-inverted)
off
Individual PWM
(inverted)
off
Individual PWM
(non-inverted)
off
Individual PWM
(inverted)
DD
to LEDn)
Rev. 06 — 12 September 2008
Lower transistor
(LEDn to V
off
off
on
on
on
on
off
off
Individual PWM
(non-inverted)
Individual PWM
(non-inverted)
Individual PWM
(inverted)
Individual PWM
(inverted)
Individual + Group
PWM
(non-inverted)
Individual PWM
(non-inverted)
Individual + Group
PWM (inverted)
Individual PWM
(inverted)
DD
.
SS
)
LEDn state
high-Z
V
V
V
V
V
high-Z
V
V
V
high-Z
V
V
values
V
high-Z
(1
V
(1
DD
SS
SS
SS
SS
DD
SS
SS
DD
SS
SS
DD
or high-Z
or V
or high-Z
or V
GRPPWM) values
GRPPWM) values
or V
or V
[1]
[1]
[1]
[1]
DD
DD
SS
SS
or V
or V
8-bit Fm+ I
= PWMx value
= 1
= PWMx or GRPPWM values
= (1
SS
SS
[1]
[1]
= PWMx value
= 1
= PWMx or GRPPWM
= (1
PWMx value
PWMx) or
PCA9634
PWMx value
2
PWMx) or
© NXP B.V. 2008. All rights reserved.
C-bus LED driver
18 of 38