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AS7221

General Description

Datasheet

• PUBLIC

DS000479

• v4-00 • 2019-Jun-28

│ 4

Benefits

Features

Enables cost-optimized single channel drivers to

deliver a precise tunable white result.

Selectable drive modes, including PWM-

switched current steering, 0-10 V or PWM

dimming or PWM-based duty cycle management

Supports legacy IO approaches, as well as

digital deep dimming

Built-in 0-10 V analog or PWM digital dimming

output generator for precise 1% dimming

Direct serial interface for connection to standard

networks

UART interface for connection to network

hardware clients for protocols such as Bluetooth,

ZigBee and WiFi

Simple lamp or luminaire configuration and

commissioning using defined command set

Smart Lighting Command Set (SLCS) uses

simple text-based commands to control and

configure a wide variety of functions

Compact lighting-capable package with no

added optics required

20-pin LGA package 4.5mm x 4.7mm x 2.5mm

with integrated aperture -40 °C to 85 °C

1.2

Applications

●

Commercial, retail, and residential CCT tunable LED lighting systems

●

Cost-optimized tunable white LED drivers

●

Higher precision replacement lamps/bulbs

●

Intelligent, networked solid-state lighting management for variable CCT and daylight harvesting

●

Integrated smart lighting control of variable CCT white lighting solutions

●

Luminaires intended to meet California Title 24 daylighting requirements

●

Networked lighting systems with IoT sensor expandability

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