TPS65154 Texas instruments

TPS65154

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TPS65154

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Описание

The TPS65154 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; a linear regulator to supply the system's logic voltage; a programmable VCOM with high-speed amplifier; and a gate voltage shaping function; and a 6-channel WLED driver.

2.0 V to 5.5 V Input Voltage Range
Synchronous Boost Converter (AV_DD)
Non-Synchronous Boost Converter (V_GH)
Low Dropout Linear Regulator (V_CC)
Programmable V_COM Calibrator with Integrated
Buffer Amplifier
6-Channel WLED Driver with Direct Dimming and
Phase-Shift Dimming Modes
Gate Voltage Shaping
Panel Reset Signal (XAO)
T-CON Reset Signal (RST)
On-Chip EEPROM with Write Protect
I²C Interface
Thermal Shutdown
48-Pin, 6 mm × 6 mm, 0.4 mm Pitch VQFN

Display type	LCD unipolar
IC integration	LCD bias, LED backlight, VCOM
Vin (min) (V)	2
Vin (max) (V)	5.5
Applications	13 to 21 inches, 7 to 13 inches
Source driver voltage (min) (V)	6.5
Source driver voltage (max) (V)	9.6
Level shifter/scan driver (Ch)	0
V_POS (min) (V)	18
V_POS (max) (V)	25.5
V_NEG (min) (V)	-8
V_NEG (max) (V)	-5
Features	Adjustable sequencing, Backlight driver, GPM or GVS, I2C interface, Output discharge, Reset generator, VCOM or op amp
Topology	Boost
Rating	Catalog
Operating temperature range (°C)	-40 to 85