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AP4201 - LED Driver

General Description

The AP4201 is a 27 channel LED Driver that supports 2 types of serial interfaces (SCI serial interface or serial F/F cascade interface) to program LED lighting.

Key Features

  • Power Supply Voltage 8.0V~24.0V 4.5V~5.5V (connect VIN pin and VDC1 pin).
  • Oprating Temperature 0 ~ 70C.
  • Absolute Maximum Voltage 30V (VIN, LEDR0~8, LEDG0~8, LEDB0~8).
  • 2 Types of Serial Interface for Setting Lighting Data - 4-wire SCI interface (maximum communication clock: 5MHz) - Serial-F/F cascade (maximum communication clock: 10MHz) - Applicable to both 3.3V and 5.0V input signal (output is fixed to 5.0V).
  • LED Current maximum 100mA/ch - Constant Current Output 50mA/.

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Other Datasheets by AKM (Asahi Kasei Microdevices)

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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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[AP4201] AP4201 27ch 100mA LED Driver IC 1. General Description The AP4201 is a 27 channel LED Driver that supports 2 types of serial interfaces (SCI serial interface or serial F/F cascade interface) to program LED lighting. The built-in 100mA drivable power MOSFET is used to shut off the LED current, and LEDs are controlled by a PWM method in accordance with the LED gradation data that is programmed into the device. Constant current output and Open drain output are selectable by DRSET setting pin. To reduce wirings in the system, voltage on anode side of LEDs can be communized. A maximum of 32 devices can be connected on a single BUS to a common master device; furthermore, each AP4201 retains its own programmed commands allowing continuous autonomous lighting.