LED 驱动器
ADI公司为汽车和液晶背光照明应用提供发光二极管（LED）驱动器。例如，AD8240适合汽车应用，驱动和监视LED组件。AD8240由于降低了与LED驱动相关的复杂性从而降低了系统成本，它包括过流保护功能并且采用MSOP封装。ADM8845电荷泵适合用于驱动高达6只并联的白色LED，同时能够保证背光照明液晶显示的亮度均匀。它通过单独监视每只LED的电流实现了优良的匹配性能。ADM8845可以在3种电荷泵工作模式之间根据输入电压自动切换，所以它还用来最大化功率效率。
LCD Power
| Part#
Results: 2 |
Product Description |
Topology |
Application |
Peak Efficiency (%) |
Switching Freq |
Vin max (V) |
Vin min (V) |
Package |
Out Voltage (V) |
Ripple Out (p-p) |
US Price 1000-4999 |
| ADM8832 |
Charge Pump Regulator for Color TFT Panels |
Capacitive |
LCD Bias |
90% |
100KHz |
3.6V |
2.6V |
20-Lead LFCSP |
-10.2, 5, 15.3 |
0.01, 0.05 |
$2.02 |
| ADM8839 |
Charge Pump Regulator for Color TFT Panels |
Capacitive |
LCD Bias |
82% |
100KHz |
4.2V |
2.7V |
20-Lead LFCSP |
-15, 5, 15 |
0.01, 0.05 |
$1.98 |
发光二极管驱动器（LED）
| Part#
Results: 10 |
LED # |
LED Configuration |
I2C Support |
Max Iout (mA) |
Brightness Control |
Peak Efficiency (%) |
Over Volt Protection (V) |
US Price 1000-4999 |
| ADD5205 |
4 |
Parallel |
No |
100mA |
PWM |
- |
28V |
$1.15 |
| ADM8843 |
4 |
Parallel |
Yes |
30mA |
PWM |
88% |
- |
$0.5 |
| ADM8845 |
6 |
Parallel |
No |
30mA |
PWM |
88% |
- |
$0.71 |
| ADP5501 |
6 |
Serial |
Yes |
30mA |
I2C |
- |
24V |
** |
| ADP5520 |
6 |
Serial |
Yes |
30mA |
I2C |
- |
24V |
$1.66 |
| ADP8860 |
7 |
Parallel |
Yes |
60mA |
I2C |
89% |
- |
$1.36 |
| ADP8861 |
7 |
Parallel |
Yes |
60mA |
PWM |
89% |
5.8V |
$1.22 |
| ADP8863 |
7 |
Parallel |
Yes |
60mA |
I2C |
89% |
5V |
$1.22 |
| ADP8866 |
9 |
Parallel |
Yes |
25mA |
I2C |
92% |
- |
$1.48 |
| ADP8870 |
7 |
Parallel |
Yes |
60mA |
I2C |
89% |
5.8V |
$1.48 |
LED Flash Drivers
| Part#
Results: 3 |
Product Description |
LED # |
LED Configuration |
Topology |
I2C Support |
Max Iout (mA) |
Brightness Control |
US Price 1000-4999 |
| ADP1650 |
1.5 A LED Flash Driver with I2C-Compatible Interface |
1 |
Serial |
Inductive |
Yes |
1.5A |
I2C |
$0.95 |
| ADP1653 |
Serial 2 WLED Flash Driver |
2 |
Serial |
Inductive |
Yes |
500mA |
I2C |
$1.45 |
| ADP1655 |
Serial 2 WLED Flash Driver |
2 |
Serial |
Inductive |
Yes |
400mA |
I2C |
$0.95 |
