| Parameters | 
                                                                                                            
                                            | Dimming | I2C | 
                                                                            
                                            | Number of Segments | 2 | 
                                                                            
                                            | Voltage - Supply (Max) | 5.5V | 
                                                                            
                                            | Voltage - Supply (Min) | 2.3V | 
                                                                            
                                            | Multiplexed Display Capability | NO | 
                                                                            
                                            | Data Input Mode | SERIAL | 
                                                                            
                                            | Height Seated (Max) | 1.75mm | 
                                                                            
                                            | Length | 4.9mm | 
                                                                            
                                            | Width | 3.9mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Factory Lead Time | 7 Weeks | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 8-SOIC (0.154, 3.90mm Width) | 
                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Operating Temperature | -40°C~85°C TA | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Published | 2002 | 
                                                                            
                                            | JESD-609 Code | e4 | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
                                                                            
                                            | Number of Terminations | 8 | 
                                                                            
                                            | Type | Linear | 
                                                                            
                                            | Terminal Finish | NICKEL PALLADIUM GOLD | 
                                                                            
                                            | Subcategory | Display Drivers | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Terminal Form | GULL WING | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | 260 | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Supply Voltage | 3.3V | 
                                                                            
                                            | Frequency | 400kHz | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 30 | 
                                                                            
                                            | Base Part Number | PCA9550 | 
                                                                            
                                            | Pin Count | 8 | 
                                                                            
                                            | JESD-30 Code | R-PDSO-G8 | 
                                                                            
                                            | Number of Outputs | 2 | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Current - Output / Channel | 25mA | 
                                                                            
                                            | Internal Switch(s) | Yes | 
                                                                            
                                            | fmax-Min | 0.4 MHz | 
                                                                                                    
                            
                         
                                                PCA9550D,112 Overview
There is a 8-SOIC (0.154, 3.90mm Width) package on the board that is used to save space. For the design of these LED drivers, 2 outputs are used.It is possible to mount the led driver using Surface Mount.This emerges as a Linear with high efficiency and reliability.At -40°C~85°C TA, the led driver is capable of operating.Based on the frequency of 400kHz, it operates.There are 8 terminations associated with it.It is possible for undetermined failures to occur if the voltage supply is lower than 2.3V.A total of 2 segments are estimated.PCA9550 is the base part number for the LED driver.A total of 8 pins are present on this device.Supply voltage can be set to a maximum value of 5.5V.In addition, its characteristics are classified into Display Drivers.
PCA9550D,112 Features
Available in the 8-SOIC (0.154, 3.90mm Width) package
Operating temperature of -40°C~85°C TA
Frequency of 400kHz
Supply voltage of 3.3V
PCA9550D,112 Applications
There are a lot of NXP USA Inc. PCA9550D,112 LED Driver ICs applications. 
- Other Electronic Devices
- Stage and Studio lighting
- Ultraviolet (UV) and Infrared (IR) Irradiation Devices
- Panel lighting
- Dimmable LED for vehicle interiors
- A- lamps
- Flicker-free LED Lighting using R1580N
- Refrigeration lighting
- General lighting
- High-end retail lighting