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LP55231SQX/NOPB +BOM

9 channel RGB / White LED driver with internal program memory and integrated charge Pump - WQFN

LP55231SQX/NOPB General Description

The LP55231SQX/NOPB is a versatile 9-channel LED driver that offers a wide range of lighting effects for mobile devices. With its high-efficiency charge pump, this driver can effectively power LEDs across the entire Li-Ion battery voltage spectrum. What sets the LP55231 apart is its internal program memory, allowing it to operate autonomously without the need for constant processor control

Key Features

  • Three Independent Program Execution Engines, 9 Programmable Outputs With 25.5-mA Full-Scale Current, 8-Bit Current Setting Resolution and
    12-Bit PWM Control Resolution
  • Adaptive High-Efficiency 1×/1.5× Fractional Charge Pump - Efficiency up to 94%
  • LED Drive Efficiency Up to 93%
  • Charge Pump With Soft Start
  • Overcurrent and Short-Circuit Protection
  • Built-in LED Test
  • 200-nA Typical Standby Current
  • Automatic Power Save Mode; IVDD = 10 µA (Typical)
  • Two-Wire I2C-Compatible Control Interface
  • Flexible Instruction Set
  • Large SRAM Program Memory
  • Small Application Circuit
  • Source (High-Side) Drivers
  • Architecture Supports Color Control

Specifications

Source Content uid LP55231SQX/NOPB Pbfree Code Yes
Part Life Cycle Code Active Reach Compliance Code compliant
ECCN Code EAR99 HTS Code 8542.39.00.01
Data Input Mode SERIAL Input Characteristics STANDARD
Interface IC Type LED DISPLAY DRIVER JESD-30 Code S-PQCC-N24
JESD-609 Code e3 Length 4 mm
Moisture Sensitivity Level 1 Multiplexed Display Capability YES
Number of Channels 9 Number of Functions 1
Number of Segments 9 Number of Terminals 24
Operating Temperature-Max 85 °C Operating Temperature-Min -30 °C
Output Characteristics CONSTANT-CURRENT Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified Seated Height-Max 0.8 mm
Supply Current-Max 0.95 mA Supply Voltage-Max 5.5 V
Supply Voltage-Min 2.7 V Supply Voltage-Nom 3.6 V
Surface Mount YES Temperature Grade OTHER
Terminal Finish MATTE TIN Terminal Form NO LEAD
Terminal Pitch 0.5 mm Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30 Width 4 mm
fmax-Min 0.4 MHz Product Category LED Lighting Drivers
Series LP55231 Mounting Style SMD/SMT
Number of Outputs 9 Output Output Current 25.5 mA
Input Voltage, Min 2.7 V Input Voltage, Max 5.5 V
Topology Charge Pump Operating Frequency 1.25 MHz
Output Voltage 3.6 V to 5.5 V Minimum Operating Temperature - 30 C
Maximum Operating Temperature + 85 C Features I2C Control, Charge Pump
Input Voltage 2.7 V to 5.5 V Operating Supply Voltage 2.7 V to 5.5 V
Product Type LED Lighting Drivers Factory Pack Quantity 4500
Subcategory Driver ICs Supply Current - Max 750 uA
Unit Weight 0.001376 oz

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