LP3952 Datasheet, PDF (2/46 Pages) National Semiconductor (TI) – 6-Channel Color LED Driver with Audio Synchronization

LP3952
SNVS518A – JULY 2007 – REVISED MARCH 2013
CONNECTION DIAGRAMS
36-bump DSBGA Package, 3.0 x 3.0 x 0.65 mm, 0.5 mm pitch
See Package Number YPG0036AAA
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Name
SW
FB
GND
R1
G1
B1
GND_SW
GND
V_DDIO
SDA
IRGB
GND_RGB
GND
GND
PWM
ADDR_SEL
NRST
R2
GND
GND
V_DD1
GND
SCL
G2
GND
Pin No.
6F
6E
6D
6C
6B
6A
5F
5E
5D
5C
5B
5A
4F
4E
4D
4C
4B
4A
3F
3E
3D
3C
3B
3A
2F
Type
Output
Input
Ground
Output
Output
Output
Ground
Ground
Power
Logic Input/Output
Input
Ground
Ground
Ground
Logic Input
Logic Input
Logic Input
Output
Ground
Ground
Power
Ground
Logic Input
Output
Ground
PIN DESCRIPTIONS
Description
Boost Converter Power Switch
Boost Converter Feedback
Ground
Red LED 1 Output
Green LED 1 Output
Blue LED 1 Output
Power Switch Ground
Ground
Supply Voltage for Logic Input/Output Buffers and Drivers
Serial Data In/Out (I²C)
Bias Current Set Resistor for RGB Drivers
Ground for RGB Currents
Ground
Ground
External PWM Control for LEDs. Connect to GND if not used.
Address Select (I²C)
Reset Pin
Red LED 2 Output
Ground
Ground
Supply Voltage
Ground
Clock (I²C)
Green LED 2 Output
Ground
2
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