NCP5623B: LED Driver, Triple Output, RGB, I2C Controlled

The NCP5623B mixed analog circuit is a triple output LED driver dedicated to the RGB illumination or backlight LCD display. The built in DC to DC converter is based on a high efficient charge pump structure with operating mode 1x and 2x. It provides a 94 percent peak efficiency. The tiny package makes the device suitable for room limited portable applications.

Features
  • 2.7 to 5.5 V Input voltage range
  • RGB function fully supported
  • Programmable Integrated Gradual Dimming
  • 90 mA Output Current Capability
  • 94% Peak efficiency
  • Built-in Short Circuit Protection
  • Provides three independent LED drives
  • Support full I2C protocol
  • Embedded OVP / Open Load protection
Benefits
  • Operates over the full Li-Ion battery voltage range.
  • Supports multiple illumination functions.
  • Embedded digital function save I/O and extra software at MCU level
  • Drive any RGB LED.
  • High efficency save battery life.
  • Protect the system against output current to ground short circuit.
  • Makes light combination easy with simple software commands.
  • The registered I2C address avoids conflict when running in a bus system.
  • Prevents the circuit from damage when the system operates in a no load condition.
Applications
  • Multicolor Illuminations
  • Portable Back Light
  • Digital Cellular Phone Camera Photo Flash
  • LCD and Key Board simultaneously drive
End Products
  • Cellular phone
  • Car radio
  • Mobile MP3 player
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Triple Output I2C Controlled RGB LED DriverNCP5623B/D (91kB)3
Evaluation Board Documents (1)
Document TitleDocument ID/SizeRevisionRevision Date
NCP5623B Evaluation BoardNCP5623B/EVB-V6 (155.0kB)6
Package Drawings (1)
Document TitleDocument ID/SizeRevision
LLGA12, 2x2x0.55 mm, 0.4 mm Pitch513AA (29.9kB)A
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NCP5623BMUTBGActivePb-free Halide freeLLGA-12513AA1Tape and Reel3000$0.6
Specifications
ProductTopologyVIN Min (V)VIN Max (V)VO Max (V)IO Max (mA)fSW Typ (kHz)
NCP5623BMUTBGCharge Pump2.75.55.5801000
Triple Output I2C Controlled RGB LED Driver (91kB) NCP5623B
NCP5623B Evaluation Board NCP5623B
LLGA12, 2x2x0.55 mm, 0.4 mm Pitch NCP5623C
NCP5623B