參數(shù)資料
型號(hào): LP3954RL
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 顯示驅(qū)動(dòng)器
英文描述: Advanced Lighting Management Unit
中文描述: LED DISPLAY DRIVER, PBGA36
封裝: 3 X 3 MM, 0.65 MM HEIGHT, 0.50 MM PITCH, MICRO, SMD-36
文件頁(yè)數(shù): 3/56頁(yè)
文件大?。?/td> 5801K
代理商: LP3954RL
PIN DESCRIPTIONS
Pin #
6F
6E
6D
6C
6B
6A
5F
5E
5D
5C
Name
SW
FB
FLASH
R1
G1
B1
GND_SW
GND
VDDIO
SS/SDA
Type
Output
Input
Output
Output
Output
Output
Ground
Ground
Power
Description
Boost Converter Power Switch
Boost Converter Feedback
High Current Flash Output
Red LED 1 Output
Green LED 1 Output
Blue LED 1 Output
Power Switch Ground
Ground
Supply Voltage for Input/output Buffers and Drivers
Slave Select (SPI), Serial Data In/Out (I
2
C)
Logic Input/Output
5B
5A
4F
4E
4D
4C
IRGB
Input
Ground
Ground
Input
Logic Input
Logic Input
Bias Current Set Resistor for RGB Drivers
Ground for RGB Currents
Ground for WLED Currents
High Current Flash Current Set Resistor
External PWM Control for LEDs or External Clock for RGB Sync
Serial Input (SPI), Address Select (I
2
C)
GND_RGB
GND_WLED
IFLASH
SYNC_PWM
SI
4B
4A
3F
3E
3D
3C
3B
SO
R2
Logic Output
Output
Output
Output
Power
Logic Input
Logic Input
Serial Data Out (SPI)
Red LED 2 output
White LED 5 output
White LED 6 output
Supply voltage
Enable for High Current Flash
Clock (SPI/I
2
C)
WLED5
WLED6
VDD1
EN_FLASH
SCK/SCL
3A
2F
2E
2D
2C
2B
G2
Output
Output
Output
Input
Input
Logic Input
Green LED 2 Output
White LED 3 output
White LED 4 output
Audio Synchronization Input
Oscillator Frequency Resistor
Interface (SPI or I
2
C compatible) Selection (IF_SEL = 1 for SPI)
WLED3
WLED4
ASE
IRT
IF_SEL
2A
1F
1E
1D
1C
1B
1A
B2
Output
Output
Output
Ground
Output
Power
Power
Blue LED 2 Output
White LED 1 Output
White LED 2 Output
Ground for Analog Circuitry
Reference Voltage
Internal LDO Output
Supply Voltage
WLED1
WLED2
GNDA
VREF
VDDA
VDD2
3
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