• RE: TLC59281: alternative with 1 channel and same constant-current switching transient time

  

  Kenneth Du

  Hi, Please check the 3 channel LED driver TLC5973 and one channel LED driver LP5560. Thanks. Regards, Kenneth

  • over 8 years ago
  • Power management
  • Power management forum

• recommendation for efficient led drver

  

  or sam

  Other Parts Discussed in Thread: LM3405 , LM337 , TPS60250 , LP5521 , LM8502 , LP5560 Hi I would like to get recommendation for most efficient driver for low voltages (3.3V) to controll 1 led using I2c,pwm,spi or any kind of digital communication, the…

  • over 13 years ago
  • Power management
  • Power management forum

• RE: Sinlge LED drive consant current drive

  

  Sami Kotijarvi

  Calum, What kind of package do you prefer? If an BGA is suitable for your application you could check out LP5524, which has 4 LED outputs 5mA default current and 2 channels for external PWM control. This in uSMD package. There is also 1 LED output…

  • over 13 years ago
  • Power management
  • Power management forum
Answered

• RE: Looking for low-cost LED driver with selectable PWM ramp and blink

  

  Sami Kotijarvi

  Resolved

  Hi, With LP5521 there are only the I2C pull-up resistors needed. With LP5521 You have more complex lighting patterns than just ramp up/ramp down. If you do not use the chargepump and drive the LEDs from battery, the fly-caps and c out cap can be removed…

  • over 13 years ago
  • Power management
  • Power management forum

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