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MPQ7225 - 16-Channel Current Sink LED Driver

General Description

The MPQ7225 is a 16-channel current sink LED driver.

Each channel is rated for up to 200mA of current, and 16 ICs can be cascaded together to create a 256-channel solution.

The MPQ7225 is optimized for animated or dynamic lighting applications.

Key Features

  • adaptive feedback control (AFC) to maximize system efficiency. The output voltage of the pre-regulator (e. g. buck voltage regulator) is adjusted in real time so that the voltage across the channels is kept at a minimum value (typically 300mV headroom at 200mA). Frequency spread spectrum (FSS) optimizes EMC performance. The LED current’s ramping rate and the phase shift between channels can be digitally configured as well. The MPQ7225 can aid a system design for functional safety with a failsafe.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MPQ7225 16-Channel Current Sink LED Driver with Adaptive Feedback Control (AFC), AEC-Q100 Qualified DESCRIPTION The MPQ7225 is a 16-channel current sink LED driver. Each channel is rated for up to 200mA of current, and 16 ICs can be cascaded together to create a 256-channel solution. The MPQ7225 is optimized for animated or dynamic lighting applications. It employs 12-bit pulse-width modulation (PWM) dimming and 6bit analog dimming register per channel, with individual control of each channel. The MPQ7225 is designed to function across distanced PCBs with a robust, high-speed, CANcompatible differential interface. The MPQ7225 features adaptive feedback control (AFC) to maximize system efficiency. The output voltage of the pre-regulator (e.g.