参数资料
型号: MAX8930EWJ+T
厂商: Maxim Integrated
文件页数: 34/52页
文件大小: 0K
描述: IC LED DRVR WT/RGB BCKLGT 49WLP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
恒定电流:
拓扑: PWM,切换式电容器(充电泵)
输出数: 11
内部驱动器:
类型 - 主要: 背光
类型 - 次要: OLED,RGB,白色 LED
频率: 100kHz ~ 400kHz
电源电压: 2.7 V ~ 5.5 V
输出电压: 5V
安装类型: 表面贴装
封装/外壳: 49-WLP
供应商设备封装: 49-WLP(3.15x3.15)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
MAX8930
WLED Charge Pump, RGB, OLED Boost,
LDOs with ALC and CAI
SDA OUTPUT FROM
TRANSMITTER
SDA OUTPUT FROM
D7
D6
D0
NOT ACKNOWLEDGE
RECEIVER
NOT ACKNOWLEDGE
SCL FROM
MASTER
1
2
8
9
CLOCK PULSE FOR
START CONDITION
Figure 13. I 2 C Acknowledge
The device that acknowledges must pull down the SDA
line during the acknowledge clock pulse, so that the SDA
line is stable low during the high period of the acknowl-
edge clock pulse (setup and hold times must also be
met). A master receiver must signal an end of data to the
transmitter by not generating an acknowledge on the last
byte that has been clocked out of the slave. In this case,
Table 11. LED Current Levels
ACKNOWLEDGEMENT
the transmitter must leave SDA high to enable the master
to generate a STOP condition.
Current Level for 8 WLEDs and 3 RGB LEDs
The total 11 LEDs (8 WLEDs and 3 RGB LEDs) have
linear scale current dimming by 0.1mA step as follows.
BIT 7
0
0
0
0
0
0
0
1
1
BIT 6
0
0
0
0
0
0
0
1
1
BIT 5
0
0
0
0
0
0
0
1
1
BIT 4
0
0
0
0
0
0
0
1
1
BIT 3
0
0
0
0
0
0
0
1
1
BIT 2
0
0
0
0
1
1
1
1
1
BIT 1
0
0
1
1
0
0
1
1
1
BIT 0
0
1
0
1
0
1
0
0
1
LED CURRENT
(mA)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
25.5
25.6
34
Maxim Integrated
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