立即购买MPQ3321-AEC1
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MPQ3321GQQE-AEC1-Z MPQ3321GQQE-AEC1-P
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EVQ3321-QQE-00A 48-Channel, Max 80mA/Ch, LED Driver with Independent Analog and PWM Dimming Evaluation Board, AEC-Q100
The EVQ3321-QQE-00A evaluation board is designed to demonstrate the capabilities of the MPQ3321-AEC1, a 48-channel LED driver with a 22V voltage rating and maximum 80mA current sources. It is designed to drive the LED arrays as local dimming backlighting in automotive LCD panels.
The MPQ3321-AEC1 employs low headroom to regulate the LED current (ILEDx, where x = 1–48). The adaptive voltage feedback function optimizes the LED voltage, which achieves higher system efficiency.
The MPQ3321-AEC1 supports independent 16-bit pulse-width modulation (PWM) and 7-bit analog dimming for each channel via the serial interface.
The configurable internal registers provide reliable and flexible application. The 25MHz serial interface clock guarantees a high data transfer rate for multiple devices operating in a daisy chain application.
Robust protections are included to guarantee safe operation of the device. Protection modes include LED open protection, LED short protection, and over-temperature protection (OTP). All fault statuses can be read through the serial interface.
The MPQ3321-AEC1 is available in a QFN-68 (8mmx8mm) package. It is available in AEC-Q100 Grade 0.
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