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PMIC - Display Drivers

Image Part Number Description / PDF Quantity Rfq
CD74HC4543EE4

CD74HC4543EE4

Texas Instruments

SEVEN SEGMENT DECODER/DRIVER, HC

300
PCF8536AT/1,118

PCF8536AT/1,118

NXP Semiconductors

IC DRVR 7 SEGMENT 56TSSOP

0
CD4056BMG4

CD4056BMG4

Texas Instruments

IC DRVR 7 SEGMENT 1 DIGIT 16SOIC

0
HV66PG-G

HV66PG-G

Roving Networks / Microchip Technology

IC DRVR 32CH 32V 44QFP

2
AD9884AKSZ-140

AD9884AKSZ-140

Analog Devices, Inc.

140 MSPS ANALOG FLAT PANEL INTER

1332
LC75834W-TLM-E

LC75834W-TLM-E

IC LCD DISPLAY DRIVER

19750
ICM7218BIQI+T

ICM7218BIQI+T

Maxim Integrated

IC DRVR 7 SEGMNT 8 DIGIT 28PLCC

500
MM5450YV

MM5450YV

Roving Networks / Microchip Technology

IC DRVR DISPLAY LED 44PLCC

0
CD4056BME4

CD4056BME4

Texas Instruments

IC DRVR 7 SEGMENT 1 DIGIT 16SOIC

0
PCF85134HL/1,118

PCF85134HL/1,118

NXP Semiconductors

IC DRVR 60 SEGMENT 80LQFP

0
TC7107CKW

TC7107CKW

Roving Networks / Microchip Technology

IC DRVR 7 SEG 3 1/2 DIGIT 44MQFP

172
LC75878W-E

LC75878W-E

Sanyo Denki SanUPS Products

GENERAL-PURPOSE LCD DRIVER

2880
LC75824W-E

LC75824W-E

IC LCD DISPLAY DRIVER

885
MAX7231BFIQH+TD

MAX7231BFIQH+TD

Maxim Integrated

IC DRVR 7 SEGMNT 8 DIGIT 44PLCC

0
BU9798GUW-E2

BU9798GUW-E2

ROHM Semiconductor

IC DRVR DOT MATRIX 63VBGA

0
CD74HC4511M96E4

CD74HC4511M96E4

Texas Instruments

IC DRVR 7 SEGMENT 1 DIGIT 16SOIC

0
LC7932M-TRM-E

LC7932M-TRM-E

IC LCD DISPLAY DRIVER

14000
AY0438-I/L

AY0438-I/L

Roving Networks / Microchip Technology

IC DRVR 32 SEGMENT 44PLCC

608
PCF8576CT/1,518

PCF8576CT/1,518

NXP Semiconductors

IC DRVR 7 SEGMENT 56VSOP

3888
MAX6953EAX+

MAX6953EAX+

Analog Devices, Inc.

2-WIRE INTERFACED, 2.7V TO 5.5V,

4653

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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