Texas Instruments LP8557AYFQR Microcontrollers
High-efficiency LED backlight driver for Tablets 16-DSBGA -30 to 85
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LP8557AYFQR
Detailed Description
High-efficiency LED backlight driver for Tablets 16-DSBGA -30 to 85
Package
16-WFBGA, DSBGA
Lifecycle Status
Active
Datasheet
LP8557AYFQR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LP8557AYFQR Microcontrollers technical specifications.
General
RoHS
Yes
Number of Channels
6
Package / Case
16-WFBGA, DSBGA
Mounting Type
Surface Mount
Operating Temperature
-30°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Frequency
500kHz, 1MHz
Type
DC DC Regulator
Internal Switch S
Yes
Alternate Parts Comparison (LP8557AYFQR vs LM48512TL/NOPB vs LM3243TME/NOPB vs LM3279TLX/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-WFBGA, DSBGA | 16-WFBGA, DSBGA | 16-WFBGA, DSBGA | 16-WFBGA, DSBGA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -30°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -30°C ~ 90°C | -30°C ~ 85°C |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Operating Temperature Range C | -30 to 85 | -40 to 85 | -30 to 90 | -30 to 85 |
| Package | DSBGA (YFQ)-16 | DSBGA (YZR)-16 | DSBGA (YFQ)-16 | DSBGA (YZR)-16 |
| Type | DC DC Regulator | Class D | Converter | Converter |
| Supply Voltage | 2.7V ~ 5.5V | 2.3V ~ 5.5V | 2.7V ~ 5.5V | -- |
| Applications | Backlight | -- | Cellular | Converter, 3G, 3.5G, 4G RF Power Amplifier |
| Duty Cycle Max | 100 | -- | 100 | 100 |
| Switching Frequency Max Khz | 1000 | -- | 2970 | 2700 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC34844AEPNXP SemiconductorsNXP
IC LED DRVR RGLTR DIM 80MA 32QFN
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
LM3279TLX/NOPBTexas InstrumentsBuck-Boost Converter with MIPI® RFFE Interface for 3G and 4G RF Power Amplifiers 16-DSBGA -30 to 85
LM3554TMX/NOPBTexas InstrumentsSynchronous boost converter with 1.2A dual high side LED driver and I 2 C compatible interface 16-DSBGA -30 to 85
LM3560TLX/NOPBTexas InstrumentsSynchronous boost flash driver w/ dual 1A high side current sources (2A Total flash current) 16-DSBGA -40 to 85
