TPS65642 Texas instruments

TPS65642

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TPS65642

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Описание

The TPS65642 is a compact LCD bias solution primarily intended for use in Notebook and Tablet PCs. The device comprises two boost converters to supply the LCD panels source driver and gate driver/level shifter; two buck converters and an LDO linear regulator to supply the systems 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)	6
Source driver voltage (max) (V)	9.1
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