UA9849 Datasheet PDF | Unisonic Technologies

Unisonic Technologies UA9849

UA9849 is ICs developed for CD-ROM spindle motor drives. These ICs possess a short brake and reverserotation brake for two types of brake functions, and also contain FG output and rotation direction detection (FR) circuits, making them high-functionality and high-performance ICs.

Part No.	UA9849
Datasheet	UA9849 Download
Manufacturer	Unisonic Technologies
Description	3-PHASE MOTOR DRIVER
Buy	Stock & Price

DESCRIPTION

The UTC

FEATURES

* Three-phase, full-wave, pseudo-linear drive system. * Built-in power save and thermal shutdown functions. * Built-in current limiter and Hall bias circuits. * Built-in FG output. * Built-in rotation direction detector. * Built-in reverse rotation prevention circuit. * Built-in short brake pin. ORDERING INFORMATION Normal UA9849-SH1-T Ordering Number Lead Free UA9849L-SH1-T Halogen Free UA9849G-SH1-T HSOP-28 Package HSOP-28 Packing Tube Copyright © 2012 Unisonic Technologies Co., Ltd 1 of 12 QW-R109-006,C UA9849 LINEAR INTEGRATED CIRCUIT PIN

DESCRIPTION

PIN # 2 4 7 8 9 10 11 12 13 14 15 17 18 20 21 22 23 24 25 26 27 28 FIN PIN NAME A3 A2 A1 GND H1+ H1H2+ H2H3+ H3VH CNF SB FR ECR EC PS FG VCC VM2 VM1 RNF - FUNCTOIN Output Output Output GND Hall Signal Input Hall Signal Input Hall Signal Input Hall Signal Input Hall Signal Input Hall Signal Input Hall Bias For connection of phase compensation capacitor Short brake Rotation direction detection Output vo...