| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 2 MHz |
| Number of Pins | 32 Pin |
| Case/Package | TLGA-32 |
| Number of Outputs | 6 Output |
| Input Voltage (DC) | 3.00V ~ 7.20V |
| Output Voltage | 5 V |
| Output Current | 300 mA |
| Supply Current | 850 mA |
| Quiescent Current | 850 µA |
| Number of Regulated Outputs | 6 Output |
| Switching Frequency | 2 MHz |
| Topology | Boost |
| Input Voltage (Max) | 7.2 V |
| Input Voltage (Min) | 3 V |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 2.7V ~ 2.9V |
| Supply Voltage (Max) | 2.9 V |
| Supply Voltage (Min) | 2.7 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Size-Width | 4.5 mm |
| Operating Temperature | -40℃ ~ 85℃ (TA) |
The LP3950 is a color LED driver with a built-in audio synchronization feature for any analog audio input such as polyphonic ring tones and MP3 music. LEDs can be synchronized to an audio signal with two methods - amplitude and frequency. Also several fine tuning options are available for differentiation purposes. The chip also has an unique AGC (Automatic Gain Control) feature which tracks the input signal level and automatically adjusts the gain to an optimal value.
●The LP3950 has a high efficiency magnetic DC/DC converter with programmable output voltage and switching frequency. The converter has high output current capability so it is also able to drive flash LEDs in camera phone applications.
●The LP3950 is similar to LP3933 and LP3936 in that the color LEDs (or RGB LEDs) can also be programmed to generate light patterns (programmable color, intensity, on/off timing, slope and blinking cycle).
●All functions are software controllable through a SPI or I2C compatible interface but the device also supports one pin control for enabling predefined (default) audio synchronization mode.
TI
Color LED Driver with Audio Synchronizer
TI
TEXAS INSTRUMENTS LP3950SL/NOPB LED Driver, Boost (Step Up), 3-7.2V input, 6Outputs, 2MHz switch-freq., 5.3V/300mA out, CSP-32
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