UPD16814 Datasheet, PDF (1/12 Pages) NEC – MONOLITHIC DUAL H BRIDGE DRIVER CIRCUIT

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD16814
MONOLITHIC DUAL H BRIDGE DRIVER CIRCUIT
DESCRIPTION
The µPD16814GS is a monolithic dual H bridge driver circuit employing a power MOS FET for its driver stage. By
complementing the P channel and N channel of the output stage, the circuit current is substantially improved as
compared with that of the conventional charge pump driver.
Because the dual H bridge driver circuits at the output stage are independent of each other, this IC is ideal as the
driver circuit for a 1- to 2-phase excitation bipolar driving stepping motor for the head actuator of an FDD.
FEATURES
• Low ON resistance (sum of ON resistance of top and bottom FETs)
RON1 = 2.0 Ω TYP.
• Low current consumption: IDD = 100 µA MAX.
• Four input modes independently controlling dual H bridge drivers
• Stop and Brake modes selectable
• Surface-mount mini-mold package: 16-pin plastic SOP (300 mil)
PIN CONFIGURATION (Top View)
VM1
1
1A
2
PGND1
3
2A
4
VDD
5
IN1
6
IN3
7
IN2
8
16
NC
15
1B
14
PGND2
13
2B
12
VM2
11
SEL
10
IN4
9
DGND
ORDERING INFORMATION
Part Number
µPD16814GS
Package
16-pin plastic SOP (300 mil)
The information in this document is subject to change without notice.
Document No. S10112EJ4V0DS00 (4th edition)
Date Published August 1997 N
Printed in Japan
©
1997