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MP3324 4-16V, 100mA, 8CH LED Driver QFN-24
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pMPS MP3324 — LED Driver, 4-16V input, 100 mA output, 8 channels, QFN-24./p
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MP3324 4-16V, 100mA, 8CH LED Driver QFN-24
The MPS MP3324 is a LED Driver. It operates from a 4 V to 16 V input, is rated for 100 mA and drives 8 LED strings. It is supplied in a QFN-24 package.
The MP3324 is an 8-channel white LED (WLED) driver that operates from a wide 4V to 16V input voltage (VIN) range.
Key Specifications
| Part Number | MP3324 |
| Function | LED Driver |
| Input Voltage | 4 V to 16 V |
| Current Rating | 100 mA |
| Channels | 8 |
| Interface | I²C |
| Package | QFN-24 |
| Ordering Codes | MP3324 |
Features
- Wide 4V to 16V Input Voltage (VIN) Range
- 8 Channels, Maximum 100mA per Channel (VIN ≥ 4.5V)
- LED Current (ILED) Configured via an External Resistor
- 6-Bit Analog Dimming per Channel
- 12-Bit Pulse-Width Modulation (PWM) Dimming per Channel
- Selectable 220Hz, 250Hz, 280Hz, or 330Hz PWM Dimming Frequency (fPWM)
- Refresh Signal Output
- I2C Interface
- 10 Addresses Configurable via an External Resistor
- Configurable ILED Slew Rate
Typical Application Circuit
Applications
- LED Lights
- Instruments Clusters
Design Notes
- Channel-to-channel current matching sets backlight uniformity; check the matching spec at the current you will actually run.
- In boost topologies the OVP threshold must clear the worst-case forward voltage of the longest string, including temperature and binning spread.
- Keep PWM dimming above 200 Hz to stay clear of visible flicker, and away from the audio band if the product has a speaker.
- Size the inductor and output capacitor for the string current ripple, not the total LED current.
Common Questions
What input voltage does the MP3324 support?
4 V to 16 V. The rated output is 100 mA.
Which package and ordering codes apply to the MP3324?
QFN-24; order codes include MP3324.
What are the defining features of the MP3324?
Wide 4V to 16V Input Voltage (VIN) Range 8 Channels, Maximum 100mA per Channel (VIN ≥ 4.5V)
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