TCA62724FMG(O,S,EL TOSHIBA CMOS Integrated Circuits Silicon Monolithic TCA62724FMG(O,S,EL 3-Channel Constant-Current LED Driver The TCA62724FMG is an optimal constant-current LED driver for RGB pixel LEDs. The device supports 16 dimming states for each color in the RGB pixel LED setup, resulting in 4096 colors for carrying out illumination by internal PWM. The Max forward current of the LED is set up using the external resistor. This IC is especially for driving back light white LEDs in LCD of PDA, Cellular Phone, or Handy Terminal Equipment. Features Weight: 0.018 g (typ.) Power supply voltage range : 2.8 to 5.5 V Constant current range : 5 to 150 mA Low consumption current Supply current at operation (Iout = 20 mA / DC) : 700 A (Max) Supply current at standby : 10 A (Max) For anode common LED 2 I C interface Package : SON10-P-0303-0.50 1 2010-06-24 TCA62724FMG(O,S,EL Pin Assignment (top view) Assly in first half of year Assly in latter half of year (The 26th week from the first week) (The 53rd week from the 27th week) SHDN 10 VIN SHDN 10 VIN 1 1 OUT0 OUT0 SDA SDA 2 9 2 9 OUT1 OUT1 3 8 3 8 SCL SCL OUT2 OUT2 7 7 4 4 RESET RESET GND REXT GND REXT 6 6 5 5 Terminal Description Pin Pin Function No. Name The shutdown signal input terminal. 1 SHDN In the case of level input, the IC becomes the power-saving mode. In the case of level input, the IC becomes the operation mode. 2 SDA Serial data input / output terminal. 3 SCL Serial clock input terminal. The data reset signal input terminal. In the case of level input, data is reset. 4 RESET In the case of level input, the IC becomes the operation mode. 5 GND Grand terminal. The output current setting resistor connection terminal. Resistance is connected with this terminal between GND. 6 REXT The output current does not flow when this terminal is opened. Excessive output current will destroy the IC if this terminal is connected to GND. 7 OUT2 Constant current output terminal. 8 OUT1 9 OUT0 10 VIN Supply voltage input terminal. 2 2010-06-24