Data Sheet
PCA9685 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 3 — 2 September 2010 5 of 51
NXP Semiconductors
PCA9685
16-channel, 12-bit PWM Fm+ I
2
C-bus LED controller
6. Pinning information
6.1 Pinning
6.2 Pin description
Fig 2. Pin configuration for TSSOP28 Fig 3. Pin configuration for HVQFN28
PCA9685PW
PCA9685PW/Q900
A0 V
DD
A1 SDA
A2 SCL
A3 EXTCLK
A4 A5
LED0 OE
LED1 LED15
LED2 LED14
LED3 LED13
LED4 LED12
LED5 LED11
LED6 LED10
LED7 LED9
V
SS
LED8
002aac825
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
18
17
20
19
22
21
24
23
26
25
28
27
002aad23
6
PCA9685BS
LED11
LED3
LED4
LED12
LED2 LED13
LED1 LED14
LED0 LED15
A4 OE
A3 A5
LED5
LED6
LED7
V
SS
LED8
LED9
LED10
A2
A1
A0
V
DD
SDA
SCL
EXTCLK
Transparent top view
7 15
6 16
5 17
4 18
3 19
2 20
1 21
8
9
10
11
12
13
14
28
27
26
25
24
23
22
terminal 1
index area
Table 2. Pin description
Symbol Pin Type Description
TSSOP28 HVQFN28
A0 1 26 I address input 0
A1 2 27 I address input 1
A2 3 28 I address input 2
A3 4 1 I address input 3
A4 5 2 I address input 4
LED0 6 3 O LED driver 0
LED1 7 4 O LED driver 1
LED2 8 5 O LED driver 2
LED3 9 6 O LED driver 3
LED4 10 7 O LED driver 4
LED5 11 8 O LED driver 5
LED6 12 9 O LED driver 6
LED7 13 10 O LED driver 7
V
SS
14 11
[1]
power supply supply ground
LED8 15 12 O LED driver 8
LED9 16 13 O LED driver 9
LED10 17 14 O LED driver 10
LED11 18 15 O LED driver 11