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PMIC - Display Drivers

Image Part Number Description / PDF Quantity Rfq
HV508LG-G

HV508LG-G

Roving Networks / Microchip Technology

IC DISPLAY DRIVER 45V 8SOIC

0
CP2400-GMR

CP2400-GMR

Silicon Labs

IC DRVR 128 SEGMENT 48QFN

0
ICM7211AIQH+D

ICM7211AIQH+D

Maxim Integrated

IC DRVR 7 SEGMNT 4 DIGIT 44PLCC

273
LC75886PW-H

LC75886PW-H

Sanyo Denki SanUPS Products

GENERAL-PURPOSE LCD DRIVER

27622
STLED524

STLED524

STMicroelectronics

IC DRVR DOT MATRIX 56CSP

5000
AS1108WL-T

AS1108WL-T

ams

IC DRVR 7 SEGMNT 4 DIGIT 20SOIC

72
ICM7228CIPI

ICM7228CIPI

8-DIGIT, MICROPROCESSOR-COMPATIB

2562
TC7129CPL

TC7129CPL

Roving Networks / Microchip Technology

IC DRVR 7 SEG 4 1/2 DIGIT 40DIP

0
LC74731W-9818-E

LC74731W-9818-E

ON-SCREEN DISPLAY IC

259
LC75812PTH-8565-H

LC75812PTH-8565-H

LCD DISPLAY DRIVER

28350
SN74LS247DR

SN74LS247DR

Texas Instruments

IC DRVR 7 SEGMENT 16SOIC

1562
MAX6956AAX/V+T

MAX6956AAX/V+T

Maxim Integrated

IC DRVR LED PORT 20/28 36SSOP

0
LC79401KNE-E

LC79401KNE-E

Sanyo Semiconductor/ON Semiconductor

IC DRVR DOT MATRIX 100QIPE

2301250
PCF2112CT/1,118

PCF2112CT/1,118

NXP Semiconductors

IC DRVR 32 SEGMENT 40VSOP

2286
MM5451BV

MM5451BV

Roving Networks / Microchip Technology

LED DISPLAY DRIVER

0
TPS65137ADSCR

TPS65137ADSCR

Texas Instruments

TPS65137 DUAL POSITIVE AND NEGAT

241575
MAX6956AAX/V+

MAX6956AAX/V+

Maxim Integrated

IC DRVR LED PORT 20/28 36SSOP

9360
LC75821EHS-E

LC75821EHS-E

IC LCD DISPLAY DRIVER

17766
MM5451YN

MM5451YN

Roving Networks / Microchip Technology

IC DRVR DISPLAY LED 40DIP

334
TC7106ACKW713

TC7106ACKW713

Roving Networks / Microchip Technology

IC DRVR 7 SEG 3 1/2 DIGIT 44MQFP

0

PMIC - Display Drivers

1. Overview

Power Management ICs (PMICs) for Display Drivers are specialized integrated circuits designed to manage power delivery and control signals for display technologies. They optimize power efficiency, brightness control, color accuracy, and timing synchronization for displays. These ICs are critical in modern devices such as smartphones, tablets, automotive displays, and industrial equipment, where energy efficiency and visual performance are paramount.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
LCD Segment/Segmented DriversSupport segmented LCD panels with low-voltage biasing and multiplexingWatches, calculators, industrial meters
OLED Panel DriversProvide precise current control for organic light-emitting diodesSmartphones, wearables, VR headsets
LED Backlight DriversRegulate current for LCD backlighting using PWM or analog dimmingLaptops, TVs, automotive infotainment
ePaper Display DriversOptimize voltage waveforms for bistable electrophoretic displaysE-readers, electronic shelf labels
Integrated PMIC-Display CombosCombine power management with display timing/controllersTablets, automotive cluster displays

3. Structure and Composition

PMIC Display Drivers typically include:

  • Power Conversion Circuits: DC-DC converters (boost/buck) or charge pumps for voltage regulation
  • Current Sources: Precision-controlled sinks/sources for pixel activation
  • Timing Controllers: Generate gate/source driving signals synchronized with input video
  • Interface Modules: I2C, SPI, or MIPI DSI for communication with host processors
  • Protection Circuits: Overcurrent, overtemperature, and short-circuit safeguards

Common packaging: QFN, BGA, or WLCSP with 40-200 pins depending on integration level.

4. Key Technical Specifications

ParameterDescriptionImportance
Output Current RangeMaximum current per channel (10 A 100mA)Determines display brightness capability
Voltage AccuracyRegulation tolerance ( 1% 5%)Impacts image stability and flicker reduction
Dimming ResolutionPWM frequency and bit depth (8 16 bits)Enables fine brightness adjustments
Power EfficiencyConversion efficiency (70% 95%)Extends battery life in portable devices
Operating TemperatureRange (-40 C to +125 C)Ensures reliability in harsh environments

5. Application Areas

  • Consumer Electronics: Smartphones (OLED drivers), tablets (integrated PMICs)
  • Automotive: Instrument clusters (TFT-LCD drivers), HUDs (LED backlight controllers)
  • Medical Devices: Diagnostic displays (high-accuracy OLED drivers)
  • Industrial: HMI panels (segmented LCD drivers with ruggedization)
  • AR/VR: Microdisplay drivers with high refresh rates

6. Key Manufacturers and Representative Products

ManufacturerProduct SeriesKey Features
Texas InstrumentsLM3630A18-channel WLED driver with 16-bit PWM dimming
STMicroelectronicsSTLD4040V automotive LED driver with fault diagnostics
Renesas ElectronicsR2R46ePaper display driver with on-chip waveform ROM
Analog DevicesAD5522LCD segment driver for industrial test equipment
Novatek MicroelectronicsNT51021Integrated TDDI PMIC for mobile OLED panels

7. Selection Guidelines

Key considerations:

  1. Display Type: Match IC to LCD/OLED/ePaper requirements
  2. Power Requirements: Calculate total current/voltage needs
  3. Interface Compatibility: Verify processor interface (MIPI vs. SPI)
  4. Thermal Management: Check thermal resistance ratings for high-load scenarios
  5. Cost vs. Integration: Balance discrete drivers vs. all-in-one PMIC solutions

Example: For a 6.1" smartphone OLED display, select an IC like Novatek NT51021 with integrated gate control and >90% efficiency.

8. Industry Trends

Future developments include:

  • Mini/Micro-LED Support: Drivers for high-density emissive displays
  • AI Integration: On-chip algorithms for dynamic power optimization
  • Higher Integration: PMICs combining display, touchscreen, and sensor control
  • Energy Harvesting: Self-powered driver architectures
  • 0.1 A Standby Current: Ultra-low quiescent current for always-on displays

Market growth driven by automotive displays (CAGR 12.3% 2023 2030) and AR/VR adoption.

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