TPS65642A Texas instruments

TPS65642A

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TPS65642A

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Описание

The TPS65642A device is a compact LCD bias solution primarily intended for use in notebook and tablet PCs. The device comprises two boost converters to supply the source driver and gate driver, or level shifter, of the LCD panel; two buck converters and a low-dropout (LDO) linear regulator to supply the system logic voltages; a programmable VCOM generator with two high-speed amplifiers; 14-channel gamma-voltage correction; and a gate-voltage shaping function.

2.6 V to 6 V Input Voltage Range
Synchronous Boost Converter (AV_DD)
Non-Synchronous Boost Converter With Temperature
Compensation (V_GH)
Synchronous Buck Converter (V_CORE)
Synchronous Buck Converter (V_IO1)
Low Dropout Linear Regulator (V_IO2)
Programmable V_COM Calibrator With Two
Integrated Buffer Amplifiers
Gate Voltage Shaping
Panel Discharge Signal (XAO)
System Reset Signal (RST)
14-Channel, 10-Bit Programmable Gamma Voltage Correction
On-Chip EEPROM with Write Protect
I²C™ Interface
Thermal Shutdown
Supports GIP and Non-GIP Displays
56-Ball, 3,16-mm × 3,45-mm 0,4-mm Pitch DSBGA

Display type	LCD unipolar
IC integration	Gamma buffer, LCD bias, VCOM
Vin (min) (V)	2.6
Vin (max) (V)	6
Applications	13 to 21 inches, 7 to 13 inches
Source driver voltage (min) (V)	7
Source driver voltage (max) (V)	10.1
Level shifter/scan driver (Ch)	0
Features	Adjustable sequencing, GPM or GVS, Gamma buffer, I2C interface, Output discharge, Reset generator, Temperature sensor or compensation, VCOM or op amp
Topology	Boost, Buck
Rating	Catalog
Operating temperature range (°C)	-40 to 85