Datasheet Details
| Part number | LP5521 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 363.13 KB |
| Description | Programmable Three Channel LED Driver |
| Datasheet |
 LP5521 Datasheet
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General Description
The LP5521 is a three channel LED driver designed to produce variety of lighting effects for mobile devices.
High efficiency charge pump enables LED driving over full Li-Ion battery voltage range.
The device has a program memory for creating variety of lighting sequences.
Key Features
- Adaptive charge pump with 1x and 1.5x gain provides up to 95% LED drive efficiency.
- Charge pump with soft start and overcurrent/short circuit.
- protection Low input ripple and EMI Very small solution size, no inductor or resistors required 200 nA typical shutdown current Automatic power save mode I2C compatible interface Independently programmable constant current outputs with 8-bit current setting and 8-bit.