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APE5033
Active
40 Channels LED Controller for LCD Backlight
Features
- LED Open Detection
- Temperature Shutdown detection
- UVLO
General Description
The APE5033 is an integrated MOSFET and 40 channels LED controller for LCD backlight. It’s a highly accurate LED current 2% (100mA LED current) and wide input voltage range. The APE5033 has 40 Channels flexible PFM generators and independent 14 bits PFM brightness to control LED current for every channel. In addition; it has one global high accurate 10 bit DAC which sets the LED current. It’s synchronization with TV Frame including VSYNC/HSYNC and Digital PLL method. The APE5033 own LED current modulation method including PFM mode and DC mode. When applications have flicker frequency issues, using the DC mode method to eliminate flicker frequency problem. The APE5033 has two pins can be digital configurable DC/DC feedback, that’s for control DC/DC architecture. At the same time; the device using programmable via SPI interface. The APE5033 owns adaptive control mode for high efficiency. It’s build-in protection for safety; includes LED short, LED Open, temperature shutdown protection and UVLO. The APE5033 has an adaptive control mode method for high efficiency and reduce power loss. The APE5033 is available in QFN 9x9-76 packages.
Features
- Wide range input is 4.5V to 24V
- High Accurate LED Current 2% Typ. (ILED=100mA)
- LED current modulation method: PFM and DC mode
- 40 Channels flexible PFM generators and independent for 14 Bits PFM Brightness
- Synchronization with TV Frame – VSYNC / HSYNC / Digital PLL Integrated
- Digital Configurable DC/DC Feedback
- Protection For Safety Features
- LED Open Detection
- Temperature Shutdown detection
- UVLO
- PFM and DC Dimming Via SPI Interface
- Adaptive Control Mode (Only PFM mode) For High Efficiency
- Available In QFN 9x9–76 Package
- One global high accurate 10 bit DAC which sets the LED current
- HDR mode 40 channels independent 10 bit DAC
General Description
The APE5033 is an integrated MOSFET and 40 channels LED controller for LCD backlight. It’s a highly accurate LED current 2% (100mA LED current) and wide input voltage range. The APE5033 has 40 Channels flexible PFM generators and independent 14 bits PFM brightness to control LED current for every channel. In addition; it has one global high accurate 10 bit DAC which sets the LED current. It’s synchronization with TV Frame including VSYNC/HSYNC and Digital PLL method. The APE5033 own LED current modulation method including PFM mode and DC mode. When applications have flicker frequency issues, using the DC mode method to eliminate flicker frequency problem. The APE5033 has two pins can be digital configurable DC/DC feedback, that’s for control DC/DC architecture. At the same time; the device using programmable via SPI interface. The APE5033 owns adaptive control mode for high efficiency. It’s build-in protection for safety; includes LED short, LED Open, temperature shutdown protection and UVLO. The APE5033 has an adaptive control mode method for high efficiency and reduce power loss. The APE5033 is available in QFN 9x9-76 packages.
