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TPS65100-Q1

ACTIVE
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Automotive 2.7V to 5.8V LCD Supply with Boost Converter, Dual Charge Pump, and LDO Controller

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Automotive 2.7V to 5.8V LCD Supply with Boost Converter, Dual Charge Pump, and LDO Controller

TPS65100-Q1

ACTIVE
Data sheet Order now

Product details

Parameters

Display type Automotive, LCD unipolar IC integration LCD bias, VCOM Vin (Min) (V) 2.7 Vin (Max) (V) 5.8 Source driver voltage (Min) (V) 5 Source driver voltage (Max) (V) 15 Level shifter/scan driver (ch) 0 V_POS (Max) (V) 30 V_NEG (Max) (V) -2 Special function VCOM or op amp Topology Boost Rating Automotive open-in-new Find other LCD & OLED display power & drivers

Package | Pins | Size

HTSSOP (PWP) 24 34 mm² 4.4 x 7.8 open-in-new Find other LCD & OLED display power & drivers

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C5
  • Input Voltage Range: 2.7-V to 5.8-V
  • VO1 Boost Converter
    • Up to 15 V Output Voltage
    • Virtual Synchronous Converter Topology
    • < 1% Output Voltage Accuracy
    • 1.6-MHz Fixed Switching Frequency
    • 2.3-A Switch Current Limit
  • VO2 Negative Regulated Charge Pump
    • Down to -12 V / 20 mA
  • VO3 Positive Regulated Charge Pump
    • Up to 30 V / 20 mA
  • Three Independently Adjustable Outputs
  • Integrated VCOM Buffer
  • Auxiliary 3.3-V Linear Regulator Controller
  • Internal Soft Start
  • Internal Power-On Sequencing
  • Protection Features
    • Short-Circuit Detection of all Outputs
    • Overvoltage Protection of all Outputs
    • Thermal Shutdown
  • Available in TSSOP-24 PowerPAD™ Package

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Description

The TPS65100-Q1 device offers a compact and small power supply solution that provides all three voltages required by thin-film transistor (TFT) LCD displays. The auxiliary linear regulator controller can be used to generate a 3.3-V logic power rail for systems powered by a 5-V supply rail only.

The main output, VO1, is a 1.6-MHz fixed-frequency PWM boost converter that provides the source-drive voltage for the LCD display. The TPS65100-Q1 has a typical switch current limit of 2.3 A. A fully integrated adjustable charge pump doubler-tripler provides the positive LCD gate-drive voltage. An externally adjustable negative charge pump provides the negative gate-drive voltage.

The TPS65100-Q1 has an integrated VCOM buffer to power the LCD backplane. For LCD panels powered by 5 V only, the TPS65100-Q1 device has a linear regulator controller using an external transistor to provide a regulated 3.3-V output for the digital circuits. For maximum safety, the TPS65100-Q1 device goes into shutdown as soon as one of the outputs is out of regulation. The device can be enabled again by toggling the input or the enable (EN) pin to GND.

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Similar but not functionally equivalent to the compared device:
TPS65131-Q1 ACTIVE Automotive Split-Rail Converter with Dual, Positive and Negative Outputs (750mA typ) This product uses +/-AVDD.
TPS65150-Q1 ACTIVE Automotive, compact LCD bias Power Supply with integrated VCOM Buffer This product has the same rails except the LDO for Vlogic.

Technical documentation

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Type Title Date
* Datasheet TPS65100-Q1 Triple-Output LCD Supply With Linear Regulator and VCOM Buffer datasheet (Rev. C) Jul. 27, 2017
Application note Understanding Undervoltage Lockout in Power Devices (Rev. A) Sep. 19, 2018
White paper Powering automotive displays to create interactive driving experiences Dec. 21, 2017
Application note Basic calculation of an inverting buck-boost power stage (Rev. A) Aug. 28, 2017
Application note Load Disconnect for the TPS6510x (Rev. A) Feb. 08, 2017
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. C) Jan. 08, 2014
Application note Multi-rails supply regulated outputs to power TFT screen from car battery Oct. 16, 2012

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
TPS65100 Evaluation Module
TPS65100EVM-030
document-generic User guide
49
Description
The TPS65100EVM-030 is an evaluation tool for the TPS6510x multi-channel power supply for TFT LCD displays. The evaluation module can accept input voltages in range of 2.7V to 5.8V and supplies 10V, -5V and 23V to power a TFT display. Other voltages can be adjusted by changing resistor feedback (...)
Features

The development tool includes:

  • A tested TPS65100EVM-030 evaluation module with TPS65100PWP IC
  • A user's guide (SLVU101) that contains:
    • Schematic
    • Bill of materials
    • Component placement
    • Layout and setup of the EVM
  • A datasheet of the TPS6510x device (SLVS496A)
View details

Design tools & simulation

SIMULATION TOOL Download
PSpice® for TI design and simulation tool
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
  • (...)
View details

Reference designs

REFERENCE DESIGNS Download
405-nm DLP® automotive transparent window display electronics reference design (0.3-inch DMD)
TIDA-080006 — This DLP3034-Q1 electronics reference design drives a DLP projector that can illuminate a phosphor film embedded inside glass to create a transparent window display. The phosphor film is transparent under normal conditions but turns into a colorful display when excited with 405-nm light from the (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Electronics and LED Driver Reference Design for Augmented Reality Head-Up Displays
TIDA-080004 — This reference design provides an electronics subsystem designed to drive an automotive augmented reality (AR) head-up display (HUD). DLP® technology enables bright, crisp, highly saturated head-up displays that project critical driving information onto the windshield of the car, reducing driver (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 24 View options

Ordering & quality

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  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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