The ANX6593 is an high performance integrated power supply solution optimized for TFT-LCD tablet panels which generates most voltage rails for the TFT LCD bias (PAVDD, NAVDD, VGH, VGL). It is especially designed for 3.7V single cell Li-Ion battery input.
The device integrates a boost regulator and an inverting buck-boost converter. The dual outputs provide TFT source driver ±AVDD voltage. It works in a fixed switching frequency of 1.5MHz from light load to very heavy load. The output voltages are adjustable by external resistive dividers.
The ANX6593 also integrates a boost regulator for gate-on voltage and a negative charge pump regulator for gate-off voltage. The output voltages are also adjustable by external resistive dividers.
The ANX6593 offers a low-voltage detector and internal soft-start to reduce inrush current. It also includes several protection functions for abnormal operation like thermal shutdown, over-voltage protection, over-current protection, under-voltage protection, and automotive turn-off discharge function.
The ANX6593 is available in a thin 28-pin 3.5x5.5mm WQFN green package.
l 2.6V to 4.5V Input Supply
l Sync. Boost for PAVDD
- 1% Output Voltage Accuracy
- 1.5MHz Switching Frequency
- Adjustable Output Voltage by Resistors
- Automotive Turn-off Discharge
l Buck-boost for NAVDD
- 1% Output Voltage Accuracy
- 1.5MHz Switching Frequency
- Adjustable Output Voltage by Resistors
- Automotive Turn-off Discharge
l Boost Regulator for VGH
- 1.2MHz Switching Frequency
- Up to 22V Output Voltage
l Negative Charge Pump Regulator for VGL
- 600kHz Switching Frequency
- Up to 20mA Output Current (One Stage)
l Low Voltage Detection Circuit
l Build-in Soft-Start and Sequence Control
l Over-Voltage Protection
l Over-Current Protection
l Thermal Shutdown
l 3.5x5.5mm 28pin WQFN Package
l RoHS Compliant and Halogen Free
PIN CONFIGURATION (TOP VIEW)
| Title | Last update | Share | Viewing times |
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ORDERING INFORMATION
| Part Number | Package |
|---|---|
ANX6593AAQ | WQFN3.5x5.5 – 28L |
TYPICAL APPLICATION DIAGRAM
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