Datasheet

○Product structure：Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays

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TSZ22111・14・001

TSZ02201-0G3G0CZ10310-1-2

26.Feb.2014 Rev.002

16-Channel, 8-Bit PWM LED Driver

with I

2-wire Serial Interface

BD7844AEFV-LB

General Description

This is the product guarantees long time support in

Industrial market.

BD7844AEFV-LB is LED Display Driver. It can control

16ch Nch Open Drain output for LED drive. It can

control the luminance of the LEDs by the setting of the

internal register, with 256 steps PWM control. It

supports I

metal for heat radiation) package.

Features

Long time support product for Industrial applications

16ch × 80mA (Absolute Maximum Rating)

Conforming to I

Either of interactive or single direction can be

selected with the I2CSEL pin. (2MHz clock

frequency on single direction)

Independent setting of output brightness is possible

by register setting for each channel. (PWM 256

steps)

Built-in thermal shutdown (TSD）circuit

Built-in power-on reset circuit

Key Specifications

Operating power supply voltage range:

4.5V to 5.5V

LED output terminal current:

80mA (Max.)

Operating temperature range:

-40℃ to +85℃

Applications

Industrial Equipment, LED indicators and illuminators for

Industrial or Home appliance，LED Signboards，Large

LED Displays，

Traffic Signboards, Amusement, hobby, etc.

Typical Application Circuit

●Pin Configuration [TOP VIEW]

HTSSOP-B28

9.70mm x 6.40mm x 1.00mm

4.5V – 5.5V

RESETB

SDA

SCL

I2CSEL

A0

OUT0

OUT1

VLED (Max 20V)

GND

GND

GND

A1

A2

A3

VDD

OUT15

4.7uF

OUT14

BD7844AEFV-LB

From

Controller