Texas Instruments LP55231SQE/NOPB LED Drivers
IC LED DRIVER RGLTR DIM 24WQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LP55231SQE/NOPB
Detailed Description
IC LED DRIVER RGLTR DIM 24WQFN
Package
24-WFQFN Exposed Pad
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LP55231SQE/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LP55231SQE/NOPB LED Drivers technical specifications.
General
RoHS
Yes
Number of Channels
9
Package / Case
24-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-30°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Frequency
1.25MHz
Type
DC DC Regulator
Internal Switch S
Yes
Alternate Parts Comparison (LP55231SQE/NOPB vs LP3943ISQ/NOPB vs LP3944ISQ/NOPB vs LP3944ISQX)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -30°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 2.3V ~ 5.5V |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Obsolete |
| Applications | Backlight | Camera Flash | Camera Flash | Camera Flash |
| Current Output Channel | 25.5mA | 25mA | 25mA | 25mA |
| Dimming | PWM | I²C, SMBus | I²C, SMBus | I²C, SMBus |
| Internal Switch S | Yes | Yes | Yes | Yes |
| Number of Outputs | 9 | 16 | 8 | 8 |
| Package | WQFN (RTW)-24 | WQFN (RTW)-24 | WQFN (RTW)-24 | 24-WFQFN Exposed Pad |
| 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
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