Texas Instruments TPS65150 Data Sheet
Summary
The TPS65150 is a compact bias IC providing robust power solutions for demanding TFT LCD displays. It offers three highly reliable regulated voltages (VCOM buffer, VGL, and VGH) with an input range of 1.8V to 6V, ideal for powering notebooks, monitors, and car navigation systems. This guide details its virtual synchronous converter technology, adjustable power sequencing, low-power operation, and integrated high voltage isolation switch, helping embedded developers achieve stable performance across diverse display applications.
Page 1 Text Content
TPS65150
www.ti.com
SLVS576–SEPTEMBER
Low Input Voltage, Compact LCD Bias IC With VCOM Buffer
FEATURES APPLICATIONS
1.8-V to 6-V Input Voltage Range TFT LCD Displays for Notebooks•
TFT LCD Display for Monitor•
Integrated VCOM Buffer
Car Navigation Display•
High Voltage Switch to Isolate VGH
Gate Voltage Shaping of VGH
DESCRIPTION
2-A Internal MOSFET Switch
The TPS65150 offers very compact and small•
Main Output Vs up to With <1% Output
power supply solution that provides all three voltages
Voltage Accuracy
required by thin film transistor (TFT) LCD displays.
Virtual Synchronous Converter Technology With an input voltage range of 1.8 to 6.0 the
device is ideal for notebooks powered by 2.5-V or•
Negative Regulated Charge Pump Driver VGL
LY 3.3-V input rail or monitor applications with 5-V•
Positive Regulated Charge Pump Driver VGH
input voltage rail. Additionally the TPS65150 provides
Adjustable Power On LY Sequencing
an integrated high current buffer to provide the
Adjustable Fault Detection Timing VCOM voltage for the TFT backplane.•
Gate Drive Signal for external isolation Two regulated adjustable charge pump driver provide
MOSFET the positive VGH and negative VGL bias voltages for
the TFT. The device incorporates adjustable power•
Thermal Shutdown
on sequencing for VGL as well as for VGH. This•
Available in TSSOP-24 Package
avoids any additional external components to
Available in QFN-24 Package implement application specific sequencing. The
device has an integrated high voltage switch to
isolate VGH.
TYPICAL APPLICATION
Vin L1 VS
VGL 22 p F C2
−5 V/20 m A 0.33 FD2 IN VIN SW SW 1 F DRVN SUP
FBN FB
C3 REF DRVP
D3 CPI
TPS65150 FBPGND
PGND CPI CPI R5
150 k PGND VGH CTRL VCOM
C8 VGH
COMP GD 56 k
VGH C9 Control Signal 2.2 n F
VCOM Output
100 n F VIN
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Power Pad is trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date. Copyright 2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Page Summary Contents For Texas Instruments TPS65150 Data Sheet
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 30 |
| File Size | 1.37 MB |
| Published | July 12, 2026 |
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Frequently Asked Questions
What input voltage range can the TPS65150 operate within?
The IC features an operational input voltage range of 1.8 V to 6.0 V.
How does the device isolate the high-voltage bias signal?
It includes an integrated high voltage switch specifically designed to isolate the VGH bias voltage.
What safety feature manages the startup sequence?
The TPS65150 supports adjustable power on sequencing and adjustable fault detection timing for controlled boot-up.
What precautions are needed when storing or handling the chip?
Since it has limited built-in ESD protection, leads should be shorted together or contained in conductive foam during storage.