AK7864A Datasheet, PDF (6/13 Pages) Asahi Kasei Microsystems – 3 channel LED driver with Charge Pump

Pin Functions
[AK7864A]
No.
1
2
Name
VDD
IREF
3
PDN
4
EN
5
CONT_B
6
CONT_G
7
CONT_R
8
LED_B
9
VSS
10
LED_G
11
VSS
12
LED_R
13
CPOUT
14
VSS
15
CP
16
CN
radiation pad
IO
Description
P Power supply
O LED current setting external resistor connecting pin
(Pulled down by external resistor at power down)
I Power down mode terminal
High: power up, Low: power down
I LED current enable terminal
High: enable, Low: disable
I LED current control input for LED_B
High: ON, Low: OFF
I LED current control input for LED_G
High: ON, Low: OFF
I LED current control input for LED_R
High: ON, Low: OFF
O LED current output pin B (High-Z at Power down)
P GND
O LED current output pin G (High-Z at Power down)
P GND
O LED current output pin R (High-Z at Power down)
O Charge pump output pin
(Pulled down by internal resistor at power down)
P GND
I External capacitor connecting pin for charge pump
(Pulled down by internal resistor at power down)
I External capacitor connecting pin for charge pump
(Pulled down by internal resistor at power down)
Connect to GND.
I: Input, O: Output, P: Power supply
MS1336 - E - 00
6
2012/01