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PMIC - Display Drivers

Image Part Number Description / PDF Quantity Rfq
CD4055BPW

CD4055BPW

Texas Instruments

IC DRVR 7 SEGMNT 1 DIGIT 16TSSOP

1913
ISL6884IAZ

ISL6884IAZ

Intersil (Renesas Electronics America)

FLUORESCENT LIGHT CONTROLLER

573
MAX6954AAX+

MAX6954AAX+

Maxim Integrated

IC DRVR 7/14/16 SEGMENT 36SSOP

23531470
LC75890W-NH

LC75890W-NH

LIQUID CRYSTAL DRIVER, CMOS, PQF

27000
TC7107ACKW

TC7107ACKW

Roving Networks / Microchip Technology

IC DRVR 7 SEG 3 1/2 DIGIT 44MQFP

97
ICM7218CIJIR5254

ICM7218CIJIR5254

Intersil (Renesas Electronics America)

IC DRVR 7 SEG 8 DIGIT 28CERDIP

13
ICM7218DIPI

ICM7218DIPI

Analog Devices, Inc.

8-DIGIT LED DISPLAY DRIVER

152
AD9884AKSZ-100

AD9884AKSZ-100

Analog Devices, Inc.

TRIPLE ADC, 8-BIT PARALLEL

230
ICM7211AMIPLZ

ICM7211AMIPLZ

Intersil (Renesas Electronics America)

IC DRVR 7 SEGMENT 4 DIGIT 40DIP

12787
BU97601FV-ME2

BU97601FV-ME2

ROHM Semiconductor

IC DRVR 112 SEGMENT 40SSOPB

1999
NTE1509

NTE1509

NTE Electronics, Inc.

IC-VLTG IND.DR 10 STP LOG 18-PIN

600
LC75835W-TBM-E

LC75835W-TBM-E

IC LCD DISPLAY DRIVER

38000
LC75822WD-E

LC75822WD-E

IC LCD DISPLAY DRIVER

1300
LC75822EHS-E

LC75822EHS-E

IC LCD DISPLAY DRIVER

3125
MAX6921AWI/V+

MAX6921AWI/V+

Analog Devices, Inc.

MAX6921 20-OUTPUT, 76V, SERIAL-I

39375
LC75883WHS-E

LC75883WHS-E

Sanyo Denki SanUPS Products

DUTY GENERAL-PURPOSE LCD DRIVERS

900
LC75847TS-E

LC75847TS-E

LIQUID CRYSTAL DRIVER

260089
MAX6959BAEE+T

MAX6959BAEE+T

Maxim Integrated

IC DRVR 7 SEGMNT 4 DIGIT 16QSOP

0
CD4543BM

CD4543BM

Texas Instruments

IC DRVR 7 SEGMENT 1 DIGIT 16SOIC

68
PCF8537AH/1,518

PCF8537AH/1,518

NXP Semiconductors

IC DRVR 7 SEGMENT 64TQFP

1129

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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