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Numéro de référence | UPD16814 | ||
Description | MONOLITHIC DUAL H BRIDGE DRIVER CIRCUIT | ||
Fabricant | NEC | ||
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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
1A
PGND1
2A
VDD
IN1
IN3
IN2
1
2
3
4
5
6
7
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
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Pages | Pages 12 | ||
Télécharger | [ UPD16814 ] |
No | Description détaillée | Fabricant |
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