- MPQ7220-AEC1
MPQ7220-AEC1
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Description
The MPQ7220 is a boost converter with six channel current sources. It is designed for driving automotive tail lights.
The MPQ7220 uses peak current mode as its PWM control architecture. The switching frequency can be programmed by a resistor. It independently regulates the current in each LED string to the value set by an external current-setting resistor.
The device applies six internal current sources, one in each LED string terminal to achieve a current balance with 2.5% current regulation accuracy between strings. The low headroom voltage for LED regulation and on resistance of switching MOSFETs allows for high efficiency.
The MPQ7220 has rich protection modes to guarantee safe operation. Protection modes include OCP (over-current protection), OVP (over-voltage protection), OTP (over-temperature protection), and LED string short and open protection. The LED current decreases at high temperatures.
The MPQ7220 is available in QFN-24 (4mmx4mm) and TSSOP28-EP packages.
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Features & Benefits
- 3.5V to 36V Input Voltage Range
- Six Channels with Max 100mA per Channel
- Internal 100mΩ, 50V MOSFET
- Programmable Up to 2.2MHz fSW
- External Sync SW Function
- PWM Dimming (Dimming Frequency from 100Hz to 20kHz)
- Excellent EMI Performance, Spread Spectrum
- Disconnect VOUT from VIN
- 2.5% Current Matching
- Cycle-by-Cycle Current Limiting
- Programmable LED Short Threshold
- Programmable OVP Threshold
- LED Current Auto-Decrement at High Temperatures
- LED Short/Open, OTP, OCP
Active Part Numbers:
MPQ7220GF-AEC1-P MPQ7220GF-AEC1-Z MPQ7220GR-AEC1-P MPQ7220GR-AEC1-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z 
MPQ7220-AEC1 Resources
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PRODUCT CATEGORY
AUTOMOTIVE EXTERIORPRODUCT CATEGORY -
PRODUCT CATEGORY
AUTOMOTIVE LIGHTINGPRODUCT CATEGORY -
PRODUCT CATEGORY
LED DRIVERSPRODUCT CATEGORY -
APPLICATION
ADAPTIVE HEADLAMPSAPPLICATIONAdaptive headlamp systems represent a significant advancement in automotive safety and convenience. These systems intelligently adjust the direction and intensity of a vehicle's headlights in response to various driving conditions, enhancing visibility and reducing glare for both the driver and oncoming traffic. Adaptive headlamps are especially valuable for night driving, as they can help drivers...
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APPLICATION
LOW-POWER EXTERIOR AND INTERIOR LIGHTINGAPPLICATIONAs automotive LED drivers replace traditional bulbs, the operation of low-power exterior and interior lighting systems have become increasingly advanced. Exterior lighting includes turn signals, side markers, rear combination lamps (RCLs), and fog lamps. Interior lighting includes button backlighting, instrument clusters, and dome and ambient lights. While improved low-power operation of exterior ...
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APPLICATION
HEADLIGHTSAPPLICATIONHeadlights remain one of the most important functional safety features in any vehicle. While not a new feature, most new car models now feature LED headlights to provide increased brightness, better efficiency, and longer headlight lifespans. And of course, as with any automotive application, headlight designs must meet strict thermal requirements, ISO26262 safety standards, and EMC regulations. ...
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APPLICATION
ALL LED LIGHTINGAPPLICATIONAutomotive LED lighting systems are comprised of the headlights, interior lights, rear lights, small lights, LED pixel light controllers, and DC/DC LED drivers. With increasingly dynamic and accurate LED lighting features that integrate flexible control, animation, and energy efficiency, key functions including supply, control, sense, actuation, and communication are also becoming more complex. Th...
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