Three-channel linear LED driver with PWM dimming function, MEDS92630 Replace TPS92630.
MEDS92630
MEDS92630.pdf
MEDS92630.pdfFEATURES
? AEC-Q100 qualified with the following results:
-Device temperature Grade1:-40~125℃ ambient
operating temperature range;
? 3-channel LED driver (with analog and PWM
dimming)
? Wide input voltage range: 5V-40V
? Adjustable constant output current set by
reference resistor
Maximum current: 150mA per channel
Maximum current: 450mA in parallel operation
mode
Accuracy: ±2% per channel at I(IOUTX) > 30mA
Accuracy: ±2.5% per device at I(IOUTX) > 30mA
? Use multiple ICs or multiple channels of a single IC
in parallel to achieve higher current
? Low voltage drop
Maximum voltage drop: 400mV per channel at
60mA
Maximum voltage drop: 0.9V per channel at 150mA
Each channel performs PWM dimming independently
? Open and short circuit LED detection with anti-burr
pulse timer
? Voltage feedback of each channel LED lamp string
is used for single LED short circuit detection
? Independent fault pin for single LED short circuit
fault
PIN CONFIGUTION
优势替代
FEATURES
? 符合汽车类应用的 标准
? 具有符合 AEC-Q100 标准的下列结果：
– 器件温度 1 级：–40°C 至 125°C 的环境运行温度范围
– 器件 HBM ESD 分类等级 H2
– 器件 CDM ESD 分类等级 C3B
? 3 通道 LED 驱动器（具有模拟和 PWM 调光功能）
? 宽输入电压范围：5V - 40V
? 由基准电阻器设定的可调恒定输出电流
– 最大电流：每通道 150mA
– 最大电流：并联运行模式下为 450mA
– 精度：当 I(IOUTx) > 30mA 时，每通道 ±1.5%
– 精度：当 I(IOUTx) > 30mA 时，每器件 ±2.5%
? 使用多个 IC 或者单个 IC 的多个通道的并联输出，
以实现更高电流
? 低压降电压
– 最大压降：电流为 60mA 时每通道 400mV
– 最大压降：电流为 150mA 时每通道 0.9V
? 每个通道独立进行 PWM 调光
? 具有抗毛刺脉冲计时器的开路和短路 LED 检测
? 每条通道的 LED 灯串电压反馈，用于单个LED短路检测
? 针对单个 LED 短路故障的独立故障引脚
PIN CONFIGUTION
