SM8144B Datasheet EL Sheet Driver

Manufacturer: Nippon Precision Circuits Inc

SM8144B el sheet driver by Nippon Precision Circuits Inc - Datasheet Preview

Datasheet Details

Part number	SM8144B
Manufacturer	Nippon Precision Circuits Inc
File Size	69.64 KB
Description	EL Sheet Driver
Datasheet	SM8144B Datasheet

General Description

Pin nu m b e r 1 2 3 4 Name CHV LDR VSS lim I/O I High-voltage DC input O – I Booster coil driver output Ground I – Supply O O Output 2 Output 1 When ENA is logical "H", SM8144B is active.

pre OSC ENA 5 6 7 8 VDD OUT2 OUT1 Coil and EL driver oscillator (oscillator frequency determined by external resistor) E n a ble input (built-in pull-down resistor) ina ry LDR CHV OUT1 OUT2 Switching Circuit Dividing Circuit 1/4 Dividing Circuit 1/1024 Oscillator for Boosting and EL driving OSC ENA Oscillation Block ROSC ENA from microcontroller Function NIPPON PRECISION CIRCUITS—2 SM8144B SPECIFICATIONS Absolute Maximu

Overview

SM8144B NIPPON PRECISION CIRCUITS INC.

EL Sheet Driver OVERVIEW The SM8144B is a transformer-less electroluminescent (EL) driver IC, capable of driving displays up to 80 cm2 in size.

Key Features

revised coil switching transistor ON resistance and output circuit conﬁguration to reduce loss, all in a compact package. A microcontroller interface pin (ENA) is provided, which can be used to control the EL driver ON/OFF function. The device is available in 8-pin VSOP packages.

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