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Product details

Parameters

Display type Automotive, LCD Unipolar IC integration LCD Bias, VCOM Vin (Min) (V) 1.8 Vin (Max) (V) 6 Source driver voltage (Min) (V) 5 Source driver voltage (Max) (V) 15 Level shifter/scan driver (ch) 0 Special function Adjustable Sequencing, GPM/GVS, VCOM/OpAmp Topology Rating Automotive open-in-new Find other LCD & OLED display power & drivers

Package | Pins | Size

HTSSOP (PWP) 24 34 mm² 7.7 x 4.4 open-in-new Find other LCD & OLED display power & drivers

Features

  • AEC-Q100 Qualified:
    • Device Temperature Grade 1: –40°C to 125°C Junction Temperature
    • Device HBM ESD Classification According to AEC - Q100-002
    • Device CDM ESD Classification According to AEC - Q100-011
  • Input Voltage Range: 1.8 V to 6 V
  • V(VS) Boost Converter
    • Up to 15 V Output Voltage
    • < 1% Output Voltage Accuracy
    • 2-A Switch Current Limit
  • V(VGH) Positive Regulated Charge Pump Driver
    • Up to 30 V Output Voltage
    • Gate Voltage Shaping
  • V(VGL) Negative Regulated Charge Pump Driver
    • Down to –15 V Output Voltage
  • Integrated VCOM Buffer
  • Adjustable Power On Sequencing
    • Gate Drive Signal for External Isolation MOSFET for V(VS)
  • Protection Features
    • Out-of-Regulation Protection
    • Over-voltage Protection
    • Adjustable Fault Detection Timing
    • Thermal Shutdown
  • 24-Pin TSSOP Package with Exposed Thermal Pad

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Description

The TPS65150-Q1 is an integrated power-supply for automotive LCD applications. The device integrates a boost converter for the source voltage and two regulated adjustable charge pump drivers for the gate voltages. For reduced external cost, improved picture quality and reduced image sticking, the device includes a VCOM buffer and a gate-voltage shaping function.

The device is designed to operate from a supply voltage of 1.8 V to 6 V making it ideal for automotive LCD applications using a fixed 3.3 V or 5 V input-voltage rail.

Adjustable power-on sequencing for VGL and VGH allow the device to be optimized for a variety of displays.

For protection from system malfunction, the TPS65150-Q1 integrates an adjustable shutdown latch feature. The device monitors the outputs (V(VS), V(VGL), V(VGH)); and, as soon as one of the outputs falls below its power-good threshold for longer than the adjustable fault delay time, the device enters shutdown.

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TPS65100-Q1 ACTIVE Automotive 2.7V to 5.8V LCD Supply with Boost Converter, Dual Charge Pump, and LDO Controller This product is an LCD supply with the same features as the TPS65150-Q1 with an LDO.
TPS65131-Q1 ACTIVE Automotive Split-Rail Converter with Dual, Positive and Negative Outputs (750mA typ) This product offers two rails up to +/-15V.

Technical documentation

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Type Title Date
* Datasheet TPS65150-Q1 Automotive LCD Power Supply for Source and Gate Drivers with Gate Voltage Shaping and VCOM Buffer datasheet (Rev. C) May 26, 2017
Application notes Understanding Undervoltage Lockout in Power Devices (Rev. A) Sep. 19, 2018
White papers Powering automotive displays to create interactive driving experiences Dec. 21, 2017
Application notes How to Calculate the Output Voltage Ranges of the Charge Pumps in the TPS65150 Feb. 06, 2017
Technical articles Split-rail converters reduce BOM size and cost in new automotive displays Jul. 01, 2015
Application notes Basic Calculation of a Boost Converter's Power Stage (Rev. C) Jan. 08, 2014
Technical articles Automotive electronics design made easy Jul. 18, 2013
Technical articles John discusses benefits of LEDs in automobiles Jul. 16, 2013
Application notes Minimizing Ringing at the Switch Node of a Boost Converter Sep. 15, 2006

Design & development

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Hardware development

EVALUATION BOARDS Download
document-generic User guide
49
Description

The TPS65150 offers a very compact and small power supply solution that provides all three voltages required by thin film transistor (TFT) LCD displays. With an input voltage range of 1.8 V to 6 V, the device is ideal for notebooks powered by a 2.5 V or 3.3 V input rail or monitor applications with (...)

Features

  • 1.8-V to 6-V input voltage range
  • Integrated VCOM buffer
  • High voltage switch to isolate VGH
  • VS with 1% output voltage accuracy
  • Adjustable power on sequencing

Design tools & simulation

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PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 24 View options

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