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PMIC - Display Drivers

Image Part Number Description / PDF Quantity Rfq
MAX6921AWI/V+T

MAX6921AWI/V+T

Analog Devices, Inc.

MAX6921 20-OUTPUT, 76V, SERIAL-I

130000
TPS65132T6YFFR

TPS65132T6YFFR

Texas Instruments

IC DRVR DUAL OUTPUT LCD 15DSBGA

2600
AS1106WE-T

AS1106WE-T

ams

IC DRVR 7 SEGMNT 8 DIGIT 24SOIC

0
STFPC311BTR

STFPC311BTR

STMicroelectronics

IC DRVR CTRL FRONT PNL 52QFP

0
MAX136CMH+TD

MAX136CMH+TD

Maxim Integrated

IC DRVR 7 SEG 3 1/2 DIGIT 44MQFP

0
PCA8537BH/Q900/1,5

PCA8537BH/Q900/1,5

NXP Semiconductors

IC DRVR 7 SEGMENT 64TQFP

0
SN74LS247DG4

SN74LS247DG4

Texas Instruments

SEVEN SEGMENT DECODER/DRIVER

160
PCF8566T/1,118

PCF8566T/1,118

NXP Semiconductors

IC LCD DVR UNVRSL LOW-MUX 40VSOP

34661
MM5450YN

MM5450YN

Roving Networks / Microchip Technology

IC DRVR DISPLAY LED 40DIP

116
AD9884AKS-100

AD9884AKS-100

Analog Devices, Inc.

TRIPLE ADC, 8-BIT PARALLEL

36253
BU97941FV-LBE2

BU97941FV-LBE2

ROHM Semiconductor

IC LCD DVR 26X4COM IND 40SSOP

1955
BU9794AKV-E2

BU9794AKV-E2

ROHM Semiconductor

IC DRVR 140 SEGMENT 64VQFP

272
CD74HC4511M

CD74HC4511M

Texas Instruments

IC DRVR 7 SEGMENT 1 DIGIT 16SOIC

376
ICM7225IPL

ICM7225IPL

Analog Devices, Inc.

4 1/2 DIGIT COUNTER/ DRIVER

522
TC7116ACLW

TC7116ACLW

Roving Networks / Microchip Technology

IC DRVR 7 SEG 3 1/2 DIGIT 44PLCC

0
MM145453V/NOPB

MM145453V/NOPB

Texas Instruments

IC DRVR 7 SEG 4 1/2 DIGIT 44PLCC

1851
MAX6956AAI+T

MAX6956AAI+T

Maxim Integrated

IC DRVR DSPL LED 28SSOP

0
BU9796AMUV-E2

BU9796AMUV-E2

ROHM Semiconductor

IC DRVR 48 SEGMENT VQFN024V4040

7530
CD4056BM96

CD4056BM96

Texas Instruments

IC DRVR 7 SEGMENT 1 DIGIT 16SOIC

10623
LC75814VS-MPB-E

LC75814VS-MPB-E

Sanyo Denki SanUPS Products

DUTY GENERAL-PURPOSE LCD DRIVER

877

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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