Name: AS111-2 ALSTOM Control board NEW
Price: 2378 CNY
Availability: InStock

Description

AS111-2 ALSTOM Key Features

~16 Channels

~Greyscale PWM Control: 12-Bit (4096 Steps)

~Dot Correction: 6-Bit (64 Steps)

~Drive Capability (Constant-Current Sink): 0 to 80mA

~LED Power Supply Voltage: Up to 15V

~Supply Voltage Range: 3.0 to 5.5 V

~SPI-Compatible Serial Interface

~Controlled In-Rush Current

~Data Transfer & PWM Clock Rate: Up to 30 MHz

~CMOS Level I/O

Diagnostic Features

~LED Open/Short Detection

Overtemperature Flag

~32-pin TQFN 5×5 mm Package

AS111-2 ALSTOM General Description

The dot correction circuitry adjusts the brightness variations between the AS1112 channels and other LED drivers. Greyscale control and dot correction circuitry are accessible via the SPI-compatible serial interface. A single external resistor sets the maximum current value of all 16 channels. The open & short LED detection function indicates a broken, shorted or disconnected LED at one or more of the outputs. The overtemperature flag indicates that the device is in an overtemperature condition.

AS111-2 ALSTOM Serial Interface

The AS1112 features a versatile 3-pin (CLK, SDI, and SDO) serial interface, which can be connected to microcontrollers or digital signal processors in various configurations. The rising edge of the CLK signal shifts data from pin SDI to the internal register. After all data is clocked in, the serial data is latched into the internal registers at the rising edge of the LD signal.

AS111-2 PDF
AS111-2 ALSTOM

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