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PMIC - Display Drivers

Image Part Number Description / PDF Quantity Rfq
LM3914VX

LM3914VX

Texas Instruments

LED DRIVER, 10-SEGMENT, BIPOLAR

59
MM5451YV-TR

MM5451YV-TR

Roving Networks / Microchip Technology

IC DRVR DISPLAY LED 44PLCC

720
BU9795AKV-E2

BU9795AKV-E2

ROHM Semiconductor

IC DRVR 140 SEGMENT 48VQFP

65
LC75832W-TBM-E

LC75832W-TBM-E

LIQUID CRYSTAL DRIVER

870
TPS65132BYFFR

TPS65132BYFFR

Texas Instruments

IC DRVR DUAL OUTPUT LCD 15DSBGA

0
DLPC3435CZEZ

DLPC3435CZEZ

Texas Instruments

IC DRVR CTLR 201NFBGA

0
LC75854W-E

LC75854W-E

IC LCD DISPLAY DRIVER

1200
LC75834WHS-E-SY

LC75834WHS-E-SY

Sanyo Denki SanUPS Products

1/4 DUTY GENERAL PURPOSE LCD DRI

1023
TPS65132B5YFFR

TPS65132B5YFFR

Texas Instruments

IC DRVR DUAL OUTPUT LCD 15DSBGA

0
DLPC3478CZEZ

DLPC3478CZEZ

Texas Instruments

IC DRVR DISPLAY AND LGT 201NFBGA

0
MAX7219CNG

MAX7219CNG

Analog Devices, Inc.

8-DIGIT LED DISPLAY DRIVER

3563
LC75827E-E-ON

LC75827E-E-ON

1/3 DUTY GENERAL PURPOSE LCD DRI

40472
TC7116CLW

TC7116CLW

Roving Networks / Microchip Technology

IC DRVR 7 SEG 3 1/2 DIGIT 44PLCC

132
LC75808W-SH-E

LC75808W-SH-E

LIQUID CRYSTAL DRIVER

120
MAX7221CWG+

MAX7221CWG+

Maxim Integrated

IC DRVR 7 SEGMNT 8 DIGIT 24SOIC

1386
MAX6957AAI+T

MAX6957AAI+T

Maxim Integrated

IC DRVR 7/16/20 SEGMENT 28SSOP

1101
ICL7137CPL

ICL7137CPL

Analog Devices, Inc.

ICL7136 3 1/2 DIGIT ADC

0
ICM7228BIPI

ICM7228BIPI

LED DISPLAY DECODER DRIVER

3312
ICM7218DIPI+

ICM7218DIPI+

Maxim Integrated

IC DRVR 7 SEGMENT 8 DIGIT 28DIP

75896
PCF8576DT/S400/2,1

PCF8576DT/S400/2,1

NXP Semiconductors

IC DRVR 7 SEGMENT 56TSSOP

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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