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  4. 16-channel, 80mA/Ch, LED driver with independent PWM analog dimming and serial interface MPQ3326A-AEC1 (Monolithic Power Systems, Inc.)
16-channel, 80mA/Ch, LED driver with independent PWM analog dimming and serial interface MPQ3326A-AEC1-MPQ3326A-AEC1
16-channel, 80mA/Ch, LED driver with independent PWM analog dimming and serial interface MPQ3326A-AEC1-Monolithic Power Systems, Inc.

16-channel, 80mA/Ch, LED driver with independent PWM analog dimming and serial interface MPQ3326A-AEC1
Monolithic Power Systems, Inc.

Monolithic Power Systems, Inc.'s Response Status

Response Rate

100.0%

Response Time

15.6hours

Relatively Fast Response

About This Product

■Summary

The MPQ3326A is a 16-channel LED driver that operates over a wide input voltage (VIN) range of 4.5V to 16V. MPQ3326A applies 16 internal current sources to each LED string terminal. The LED current (ILED) for each channel is set by an external current setting resistor. The maximum current for each channel is 80mA. The MPQ3326A integrates a serial interface with up to 10 programmable addresses via external resistors. This means that the MPQ3326A can support up to 10 cascaded devices to drive an LED array. Each channel can be enabled or disabled through the interface. The MPQ3326A employs both independent pulse width modulation (PWM) and analog dimming for each LED channel, as well as 12-bit PWM dimming and 6-bit analog dimming for each channel. ILED ramp rate and phase shift can be configured to optimize EMI and EMC performance. MPQ3326A can output refresh signal from RFSH/FLT pin. Here, the refresh signal frequency (fREFRESH) can be set via the serial interface. Extensive protection features include LED open protection, LED short circuit protection, and overtemperature protection (OTP). The device also has a fault indicator. When the protection function is differential, the fault RFSH/FLT goes low and the corresponding fault register is set. The MPQ3326A is AEC-Q100 qualified and available in a QFN-24 (4mm x 4mm) package.

■Features and benefits

・Wide 4.5V to 16V input voltage (VIN) range ・16 channels, maximum 80mA/channel ・LED current (ILED) set via external resistor ・6-bit analog dimming for each channel ・12-bit pulse width modulation (PWM) dimming for each channel -Selectable configurable PWM dimming frequency (fPWM) of 220Hz, 250Hz, 280Hz, or 330Hz ・Refresh signal output ・Serial interface ・10 addresses configurable via external resistors ・Configurable ILED slew rate ・40μs phase shift ・Failure indicator

  • Product

    16-channel, 80mA/Ch, LED driver with independent PWM analog dimming and serial interface MPQ3326A-AEC1

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1 Models of 16-channel, 80mA/Ch, LED driver with independent PWM analog dimming and serial interface MPQ3326A-AEC1

Image Part Number Price (excluding tax) Channels Dimming (Output) Ichannel (max) (A) Iq (mA) Ishutdown (µA) LEDx ABS Voltage (V) Topology Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
16-channel, 80mA/Ch, LED driver with independent PWM analog dimming and serial interface MPQ3326A-AEC1-Part Number-MPQ3326A-AEC1

MPQ3326A-AEC1

Available upon quote

16

P-Dim, A-Dim

0.08

5

2

Twenty two

LED Driver with Current Source

Automotive

QFN-24 (4x4)

16

4.5

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About Company Handling This Product

Monolithic Power Systems, Inc.

Response Rate

100.0%

Response Time

15.6hrs

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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LED Drivers
LED Drivers　Monolithic Power Systems, Inc.
Monolithic Power Systems, Inc.

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