UPD16808 NEC, UPD16808 Datasheet

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UPD16808

Manufacturer Part Number
UPD16808
Description
Manufacturer
NEC
Datasheet

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Document No. S12720EJ2V0DS00 (2nd edition)
Date Published September 1997 N
Printed in Japan
DESCRIPTION
stage. By using the power MOS FETs for the output stage, saturation voltage and power consumption are substantially
improved as compared with conventional driver circuits that use bipolar transistors.
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 resistors of top and bottom FET
• Low current consumption: I
• Four input modes independently controlling dual H bridge drivers (with 1- to 2-phase excitation selected)
• Motor voltage 12 V/5 V compatible
• Compact surface mount package: 20-pin plastic SOP (300 mil)
PIN CONFIGURATION (Top View)
The PD16808 is a monolithic dual H bridge driver circuit which employing N-channel power MOS FETs for its driver
Because the dual H bridge driver circuits at the output stage are independent of each other, this IC is ideal as the driver
R
R
ON1
ON2
= 1.0
= 1.5
TYP. (V
TYP. (V
MONOLITHIC DUAL H BRIDGE DRIVER CIRCUIT
M
M
= 5.0 V)
= 12.0 V)
DD
PGND
= 0.4 mA TYP.
C1H
C2L
V
V
IN
IN
IN
1A
2A
M1
DD
1
1
2
3
1
2
3
4
5
6
7
8
9
10
DATA SHEET
S
MOS INTEGRATED CIRCUIT
)
20
19
18
17
16
15
14
13
12
11
C1L
C2H
V
1B
PGND
2B
V
SEL
IN
DGND
G
M2
4
2
PD16808
©
1997

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UPD16808 Summary of contents

Page 1

MONOLITHIC DUAL H BRIDGE DRIVER CIRCUIT DESCRIPTION The PD16808 is a monolithic dual H bridge driver circuit which employing N-channel power MOS FETs for its driver stage. By using the power MOS FETs for the output stage, saturation voltage and ...

Page 2

... IN 1 CONTROL CIRCUIT SEL IN 3 CONTROL CIRCUIT DGND 2 0.01 F 0.01 F 0.01 F C1H C2L C2H V G CHARGE PUMP LEVEL “H” SHIFT 1 BRIDGE 1 LEVEL “H” SHIFT 2 BRIDGE 2 Connected in diffusion layer PD16808 + PGND PGND 2 ...

Page 3

FUNCTION TABLE • With 1- to 2-phase excitation selected (SEL = High) Excitation Direction —— —— ...

Page 4

ABSOLUTE MAXIMUM RATINGS (T A Parameter Supply voltage (motor block) Supply voltage (control block) Power dissipation Instantaneous H bridge driver current Input voltage Operating temperature range Operation junction temperature Storage temperature range Notes 1. IC only 2. When mounted on ...

Page 5

RECOMMENDED OPERATING CONDITIONS Parameter Supply voltage (motor block) Supply voltage (control block) Note H bridge driver current 1-/2-phase excitation V = 5.0 V 2-phase excitation M Charge pump capacitance Operating temperature Note When mounted on a printed circuit board (100 ...

Page 6

CHARACTERISTIC CURVES R vs Characteristics 4.0 5.0 Supply voltage ( vs. T Characteristics ...

Page 7

... PC2100AGF External circumference seek 0.01 F 0.01 F 0.01 F C1L C1H V V C2L C2H G DD OSC CHARGE PUMP CIRCUIT CONTROL LEVEL “H” CIRCUIT 1 SHIFT 1 BRIDGE 1 CONTROL LEVEL “H” CIRCUIT 2 SHIFT 2 BRIDGE 2 Connected in diffusion layer PGND PGND 2 ...

Page 8

... External circumference seek Internal circumference seek 0.01 F 0.01 F 0.01 F C1L C1H V V C2L C2H G DD OSC 2 V CHARGE PUMP + DD CIRCUIT CONTROL LEVEL “H” SHIFT 1 BRIDGE 1 CIRCUIT 1 CONTROL LEVEL “H” CIRCUIT 2 SHIFT 2 BRIDGE 2 Connected in diffusion layer PGND PGND 2 ...

Page 9

PIN PLASTIC SOP (300 mil NOTE Each lead centerline is located within 0.12 mm (0.005 inch) of its true position (T.P.) at maximum material condition PD16808 detail of ...

Page 10

... RECOMMENDED SOLDERING CONDITIONS It is recommended to solder this product under the conditions described below. For soldering methods and conditions other than those listed below, consult NEC. Surface mount type For the details of the recommended soldering conditions of this type, refer to Semiconductor Device Mounting Technology Manual (C10535E) ...

Page 11

PD16808 11 ...

Page 12

... Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact an NEC sales representative in advance ...

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