QFN4x4-32L

FA6603

FA6603 is a high-efficiency power management control IC that is specified for TV platforms. FA6603 is used with a 12V power supply and a 5V standby power supply; besides, it integrates two synchronous PWM controllers, one regulator, monitoring, and control functions into a 32 pin QFN package.
A brief analog block description of FA6603 describes here. LDO1 provides an output current of 350mA with an output voltage of 3.3V ±2%. PWM1 and PWM2 are the synchronous buck PWM DC/DC controllers with an internal 600kHz fixed-frequency oscillator which covers 0 to 100% duty ratio.
The high-performance digital block consists of internal soft-start, monitoring, and protection functions, the LED function which is controlled by host and I2C interface and provides adjustable linear controllers mechanism for dynamic over-current/under-voltage use.
FA6603 provides two working modes. At the normal mode, it works with a system that supplies 12V power and a 5V standby power. At the suspend mode, it works with supplying 5V standby power or a 12V power supply only system; besides, it can wake up the TV system from the suspend mode by KEYPAD/IR/CEC function calls.

Features

  • Provide One LDO
    • ■ LDO1 output current is 350mA and output voltage is 3.3V ±2%
    • ■ Power up soft-start and under-voltage monitoring for the linear regulator
  • Provide Two PWM Controllers
    • ■ PWM1 and PWM2 synchronous buck PWM DC/DC controllers
    • ■ 600 kHz fixed frequency oscillator
    • ■ Full 0 to 100% duty ratio
    • ■ Internal Soft-start
    • ■ Operating by 12V supply voltage
    • ■ Over current protection(OCP)
    • ■ Under voltage protection (UVP)
  • Digital Control Functions
    • ■ Programmable KEYPAD/IR/CEC for FA6603 wake up
    • ■ Provide reset signal (RESET OUT) and interrupt signal to host
    • ■ Programmable power LED control
    • ■ Integrate I2C interface
  • QFN 4x4mm²-32L package, 12V and standby 5V operation
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Specifications

Part No. Keypad Wakeup CEC Wakeup IR Wakeup Supported IR Protocol D-Sub Wakeup Additional Wakeup Pins I2C Interface Interrupt Reset LED Control (PWM) Audio Control PSU Control ACD_ERR Backlight Dimming & Control External PG Control RTC WDT Other GPIO Test_EN (Debug Mode) PWM1/2 Vin Range (V) PWM1/2 Vout Range (V) PWM1/2 Feedback Voltage (V) PWM1/2 Support Output Loading (A) PWM1/2 Duty Cycle (%) PWM1/2 Frequency (KHz) PWM1/2 UVP PWM1/2 OCP PWM1/2 SCP LDO1 Vin Range (V) LDO1 Vout (V) LDO1 Support Output Loading (mA) LDO1 Voltage Accuracy (%) LDO1 OCP LDO1 SCP OTP DC Level Detection PWM3V Vin Range (V) PWM3V Vout(V) PWM3V Support Output Loading (mA) PWM3V Voltage Accuracy (%) PWM3V OCP PWM3V SCP
FA6603 		◎ ◎ ◎ Samsung, LGE, NEC, Sony, Panasonic, Sharp, Nokia, Toshiba, Philips RC5/RC6, Universal ◎ +1 ◎ ◎ ◎ LED2 ╳ ◎ ◎ ╳ ╳ ╳ ╳ +1 ◎ 6~15 0.8~15 0.8 0~15 100 600 Latch Off Latch Off Latch Off (Vout+Vdropout)~5.5 3.3 350 2 Auto Recovery Auto Recovery Set by Register L2 Only N/A N/A N/A N/A N/A N/A

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