ALED1642GWXTTR - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ALED1642GWXTTR
Manufacturer

ST Microelectronics
ChipWorker Part#

CW12421864
Category

LED Driver, LED Display Driver
Package

HTSSOP-24
Description

STMICROELECTRONICS ALED1642GWXTTR Led Driver, 16Outputs, Constant Current, 3V-5.5V in, 30MHz switch, 19V/40mA out, HTSSOP-24
Documentation

Datasheet

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ALED1642GWXTTR Specifications

Attribute	Attribute Value

Part Number	ALED1642GWXTTR
Manufacturer	ST Microelectronics
ChipWorker Part#	CW12421864
Category	LED Driver, LED Display Driver
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	HTSSOP-24
Frequency	30 MHz
Number of Outputs	16 Output
Output Voltage	19 V
Output Current	40 mA
Number of Channels	16 Channel
Number of Positions	24 Position
Switching Frequency	30 MHz
Input Voltage (Max)	5.5 V
Input Voltage (Min)	3 V
Input Voltage (DC Max)	5.5 V
Input Voltage (DC Min)	3 v
Output Voltage (Max)	19 V
Output Current (Min)	0.003 A
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
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Size-Length	7.8 mm
Size-Width	4.4 mm
Size-Height	1 mm
Operating Temperature	-40℃ ~ 150℃ (TA)
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

Product Description

The ALED1642GWXTTR is a 16-channel LED Driver with error detection, current gain control and 12/16-bit PWM brightness control. The monolithic low voltage/low current power 16-bit shift register designed for LED panel displays. The ALED1642GW guarantees 20V output driving capability allowing the user to connect several LEDs in series. In the output stage, sixteen regulated current sources provide from 3 to 40mA constant current to drive the LEDs. The current is programmed through an external resistor and can be adjusted by a 7-bit current gain register in two sub ranges. The brightness can be adjusted separately for each channel through 12/16-bit grayscale control. Programmable turn-ON and turn-OFF time (four different values available) improves the low noise generation performance of the system. Open/short error detection mode. The auto power-shutdown and auto power-ON features (selectable) allow the device to save power without external intervention.
16 Constant current output channels
Current programmable through external resistor
7-bit Global current gain adjustment in two ranges
Programmable output turn-ON/OFF time
Error detection mode (both open and shorted-LED)
Programmable shorted-LED detection thresholds
Auto power-saving/auto-wakeup
Thermal management includes an over-temperature data alert and output thermal shutdown (170°C)

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