A6282: 16-Channel Constant-Current LED Driver

The A6282 device is designed for LED display applications. This CMOS device includes an input shift register, accompanying data latches, and 16 MOS constant current sink drivers.

The CMOS shift registers and latches allow direct interfacing with microprocessor-based systems. With a 3.3 or 5 V logic supply, typical serial data input rates can reach up to 30 MHz. The LED drive current level can be set by a single external resistor, selected by the application designer. A serial data output permits cascading of multiple devices in applications requiring additional drive lines.

The A6282 is available in two 24-terminal packages: QFN (package ES) and TSSOP (LP), which have an exposed thermal pad. Both packages are lead (Pb) free with 100% matte tin leadframe plating.

Applications

Monocolor, multicolor, or full-color LED display
Monocolor, multicolor, or full-color LED signboard
Display backlighting
Multicolor LED lighting

DATASHEETS

A6282 Datasheet

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16 constant-current outputs, up to 50 mA each
LED output voltage up to 12 V
3.0 to 5.5 V logic supply range
Schmitt trigger inputs for improved noise immunity
Power-On Reset (POR), all register bits = 0
Low-power CMOS logic and latches
High data input rate: 30 MHz
Output current accuracy: between channels
< ±3% and between ICs ±7%, over the full operating temperature range
Internal UVLO and thermal shutdown (TSD) circuitry

The A6282 is available in two 24-terminal packages: QFN (package ES) and TSSOP (LP), which have an exposed thermal pad. Both packages are lead (Pb) free with 100% matte tin leadframe plating.

ES-QFN and LP-TSSOP combined

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Part Number Specifications and Availability
Part Number	Package Type	Temperature	RoHS Compliant	Part Composition / RoHS Data	Comments	Samples	Check Distributor Stock
A6282EESTR-T	24-lead QFN	-40 ° C to 85 ° C	Yes	View Data		Contact your local sales rep	Check Distributor Stock
A6282ELPTR-T	24-lead TSSOP	-40 ° C to 85 ° C	Yes	View Data		Contact your local sales rep	Check Distributor Stock

Allegro's products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the failure of that life support device or system, or to affect the safety or effectiveness of that device or system.

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A6282: 16-Channel Constant-Current LED Driver

Applications

Part Number Specifications and Availability

Allegro's products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the failure of that life support device or system, or to affect the safety or effectiveness of that device or system.