Texas Instruments LM27951SD/NOPB Drivers, Receivers and Transceivers
4-channel, 4-segment switched capacitor current driver for white LEDs, featuring PWM dimming and a 750kHz operating frequency.

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments LM27951SD/NOPB Drivers, Receivers and Transceivers technical specifications.
General
Alternate Parts Comparison (LM27951SD/NOPB vs LM3S1332-EQC50-A2T vs LM3S1435-EQC50-A2 vs LM3S2533-EQC50-A2)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 14-WFDFN Exposed Pad | 100-LQFP | 100-LQFP | 100-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 2.8V ~ 5.5V | 2.25V ~ 2.75V | 2.25V ~ 2.75V | 2.25V ~ 2.75V |
| RoHS | Yes | Yes | Yes | Yes |
| Radiation Hardening | No | No | No | No |
| Data Bus Width | -- | 32bit | 32bit | 32bit |
| Number of Pins | -- | 100 | 100 | 100 |
| Core Processor | -- | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 |
| Core Size | -- | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | -- | 16KB | 32KB | 64KB |
| ADC Channels | -- | 3 | 2 | 3 |
| Action |
Texas Instruments LM27951SD/NOPB Drivers, Receivers and Transceivers Overview
4-channel, 4-segment switched capacitor current driver for white LEDs, featuring PWM dimming and a 750kHz operating frequency. Input voltage range is 2.8V to 5.5V, with a maximum output current of 120mA, delivering 30mA per channel. This surface mount component operates from -40°C to 85°C with a low quiescent current of 1.5mA.
The 14-WSON package is RoHS compliant and supplied on tape and reel.