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PMIC - Display Drivers

Image Part Number Description / PDF Quantity Rfq
PCA8537AH/Q900/1,5

PCA8537AH/Q900/1,5

NXP Semiconductors

IC DRVR 7 SEGMENT 64TQFP

6
AS1115-BSST

AS1115-BSST

ams

IC DRVR 64 LED 7SEG 8 DGT 24QSOP

658
LC75832ES-E

LC75832ES-E

LIQUID CRYSTAL DRIVER, 54-SEGMEN

357
AS1105WL-T

AS1105WL-T

ams

IC DRVR 7 SEGMNT 4 DIGIT 20SOIC

0
CD4056BE

CD4056BE

Texas Instruments

IC DRVR 7 SEGMENT 1 DIGIT 16DIP

1919
MC14543BD

MC14543BD

SEVEN SEGMENT DECODER/DRIVER

0
LC75804W-E-ON

LC75804W-E-ON

1/3, 1/4 DUTY LCD DISPLAY DRIVER

52627
MAX6954APL

MAX6954APL

Analog Devices, Inc.

LED DISPLAY DRIVER

0
LC74761M-9006-E

LC74761M-9006-E

IC DISPLAY LSI ON SCREEN MFP30S

9850
TC14433COG

TC14433COG

Roving Networks / Microchip Technology

IC DRVR 7 SEG 3 1/2 DIGIT 24SOIC

77
MAX6921AQI+

MAX6921AQI+

Maxim Integrated

IC DRVR VFD TUBE SRL 28PLCC

1553003
PCF8551ATT/AJ

PCF8551ATT/AJ

NXP Semiconductors

IC DRVR 7 SEGMENT 48TSSOP

0
LC75822EHS-T-E

LC75822EHS-T-E

IC LCD DISPLAY DRIVER

118180
ICM7225IQH+D

ICM7225IQH+D

Maxim Integrated

IC DRVR 7 SEG 4 1/2 DIGIT 44PLCC

2968
LC75833WHS-E

LC75833WHS-E

Sanyo Denki SanUPS Products

1/3 DUTY GENERAL-PURPOSE LCD DIS

50
AS1108WL

AS1108WL

ams

IC DRVR 7 SEGMNT 4 DIGIT 20SOIC

0
CD74HC4511EE4

CD74HC4511EE4

Texas Instruments

IC DRVR 7 SEGMENT 1 DIGIT

1674
AS1130-BTST

AS1130-BTST

ams

IC DRVR DOT MATRIX 28TSSOP

817
LC75810TS-8725-E

LC75810TS-8725-E

Sanyo Denki SanUPS Products

DOT MATRIX LCD DISPLAY DRIVER

2639
CD74HC4511MT

CD74HC4511MT

Texas Instruments

IC DRVR 7 SEGMENT 1 DIGIT 16SOIC

935

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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