LP5814 - Uncategorized TEXAS INSTRUMENTS - Free user manual and instructions
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| Product Type | LED Driver IC |
| Manufacturer | Texas Instruments |
| Model | LP5814 |
| Package Type | QFN-16 (4x4 mm) |
| Number of Outputs | 4 |
| Output Current per Channel | Up to 150 mA |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Operating Temperature Range | -40°C to +125°C |
| Interface | I2C (up to 400 kHz) |
| Dimming Method | PWM Dimming with 8-bit Resolution |
| Diagnostic Features | Open/Short LED Detection, Thermal Shutdown |
| Quiescent Current | 0.5 µA (typical) in Shutdown |
| Applications | Smartphones, Tablets, Wearables, Portable Devices |
| RoHS Compliant | Yes |
| Regulatory Certifications | UL, CE, FCC |
Frequently Asked Questions - LP5814 TEXAS INSTRUMENTS
What is the maximum output current per channel for the LP5814?
Each channel can deliver up to 150 mA with proper thermal management.
Which interface does the LP5814 use for control?
It uses an I2C interface with a maximum clock frequency of 400 kHz.
Can the LP5814 drive RGB LEDs?
Yes, with four independent outputs it can drive an RGB LED plus one additional LED or a white LED.
What is the input voltage range for the LP5814?
The supply voltage range is 2.7 V to 5.5 V, suitable for single-cell Li-ion batteries.
Does the LP5814 have built-in LED fault detection?
Yes, it includes open and short LED detection as well as thermal shutdown protection.
How can I reduce power consumption when LEDs are off?
Use the shutdown mode via I2C; typical quiescent current is only 0.5 µA.
What is the package size of the LP5814?
It comes in a QFN-16 package measuring 4 mm x 4 mm.
Can I dim the LEDs with the LP5814?
Yes, it supports PWM dimming with 8-bit resolution per channel.
What typical applications is the LP5814 designed for?
It is optimized for portable devices like smartphones, tablets, and wearables.
Does the LP5814 require external components?
Yes, you need an external resistor for current setting and capacitors for power supply filtering.
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USER MANUAL LP5814 TEXAS INSTRUMENTS
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Product information
Brand : TEXAS INSTRUMENTS
Model : LP5814
Category : Uncategorized