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LED Backlight Drivers ICs

LED backlight driver ICs control the voltage and current for white LEDs used to illuminate LCD panels. Typical applications include portable appliances such as Smartphones, Tablets, Cameras, Notebook PCs as well as displays such as Computer Monitor and TV.  Kinetic Technologies’ portfolio is one of the largest in the industry and features high efficiency operation with high accuracy at low dimming duty cycles. To enhance reliability, products are designed with several protection mechanisms including, but not limited to, LED short circuit, LED open circuit and over-current. 

  • Featured Products
  • Related Resources
  • Product List

Featured Products for LED Backlight Driver ICs

Part Number Description
KTD2505R Step-Up LED Driver with ExpressWire or PWM Control
KTD2531 Step-Up LED Driver with PWM Control
KTD2801 Step-Up LED Driver with Internal Diode and ExpressWire/PWM Dimming
KTD3156 6-Ch Step-Up LED Driver with PWM-Control Mixed-Mode Dimming
KTZ8850 1-Channel LED Driver plus 2-Channel LCD Panel Bias

Application Notes

Document Description PDF File

+ Search Parameters

VIN(MIN)(V)

     
  • 2.7

VIN(MAX)(V)

  • 5.5

LED Channels

  • 1
  • 2
  • 3
  • 5
  • 4
  • 4+2
  • 6

Brightness Control

  • Express Wire or PWM
  • serial
  • PWM
  • I2C, PWM

Switching Frequency(MHz)

  • N/A
  • 0.9
  • 0.6
  • 1.2
  • 1
  • 0.8
  • Adj 0.5 or 1.0
  • 0.94
  • Adj < 1.0

Safty Timer Max(ms)

Max. Current per Channel (mA)

  • 25
  • 20
  • 26.75
  • 30
  • 30(@35Vout)
  • 260 (@19Vout)
  • 260 (@14Vout)
  • 20 or 25
  • 350
  • 50(@35Vout)

Total Max LED Current(mA)

Package

  • SOT23-8
  • TDFN33-12
  • TSOT23-6
  • TSOT23-6 TDFN22-8
  • TSOT23-6 TDFN22-6
  • TQFN33-16
  • TQFN33-16 WLCSP-9
  • WLCSP-9
  • SOIC-16
  • TDFN22-6

Description

Number of LEDs/Channel

  • 1
  • 10
  • 5
  • 3
  • 8
  • 6
  • Up to 80

Total Number of LEDs

  • 3
  • 4
  • 5
  • 6
  • 8
  • 10
  • 12
  • 16
  • 18
  • 20
  • 24
  • 30
  • 60
  • 80

Control

Max. Current per Channel(mA)

VOUT(V)

Accuracy

IQ shutdown(SDA=SCL=1.8V)(µA)

Output OVP

  • 36V
  • 38V
  • 19V
  • 14V
  • 30V
  • Adj <40V
  • 25V
  • 31V
  • 42V
  • Adj 24V/30V
  • Adj

Output Auto-Discharge

Dropout(mV)

ON Resistance (mΩ)

Max Current (A)

OVP Trip Point (V)

Max Output Power (W)

PoE PD Support

HW Mode Control

SW Mode I2C Control

Topology

Number of Output Rails

High Voltage Isolation

CISPR22 and FCC Part 15

IEC 61000-4-3 requirements for Radiated and Conducted Immunity

IEC 61000-4-2 ESD (Air Discharge)

IEC 61000-4-2 ESD (Contact Discharge)

Cable Discharge Event (CDE)

Package Alt.

Package Alt. 1

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