an8480nsb Panasonic Corporation of North America, an8480nsb Datasheet

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an8480nsb

Manufacturer Part Number
an8480nsb
Description
3-phase Full-wave Motor Driver Ic
Manufacturer
Panasonic Corporation of North America
Datasheet
ICs for Compact Disc/CD-ROM Player
AN8480NSB
3-phase full-wave motor driver IC
■ Overview
incorporating a thermal protection circuit with its protection monitor pin.
■ Features
■ Applications
■ Package
■ Block Diagram
Publication date: June 2006
3-phase full-wave and snubberless
FG output
Current limit
Reverse rotation prevention
Thermal protection circuit built-in (with thermal protection monitor pin)
Various types of optical disk drive
HSOP042-P-0400D
ECR
H1
H1
H2
H2
H3
H3
VH
EC
The AN8480NSB is a 3-phase full-wave motor driver IC with a reverse rotation brake/short brake changeover function,
2
3
5
6
8
9
7
18
17
matrix
amp.
Hall
Hall
bias
Detection
EA
Start/stop
Direction
detection
ER
EP ER
Logic
Absolute
value
changeover
Direction
VTL
SDD00006CEB
distribution
distribution
Lower side
Upper side
protection
Thermal
circuit
Amp.
Amp.
circuit
Brake
comparator
FG
21
22
28
27
26
12
1
VM
CS1
A1
A2
A3
PG
FG
1

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an8480nsb Summary of contents

Page 1

... ICs for Compact Disc/CD-ROM Player AN8480NSB 3-phase full-wave motor driver IC ■ Overview The AN8480NSB is a 3-phase full-wave motor driver IC with a reverse rotation brake/short brake changeover function, incorporating a thermal protection circuit with its protection monitor pin. ■ Features 3-phase full-wave and snubberless ...

Page 2

... AN8480NSB ■ Pin Descriptions Pin No. Symbol Description 1 PG Power GND pin 2 H1 Hall element-1 positive input pin 3 H1 Hall element-1 negative input pin 4 N.C. N. Hall element-2 positive input pin 6 H2 Hall element-2 negative input pin 7 VH Hall bias pin 8 H3 Hall element-3 positive input pin ...

Page 3

... 0. FGR CC Input D-range SBR RBR ECR 1.65 V SBRL SBR CC SDD00006CEB AN8480NSB Min Typ Max 0 0 2.7 0.7 L becomes 1.55 1.75 0.7 1.2 1 1.5 4.0 60 0.5 3.9 100 0 100 25 75 125 1. 0.75 1.0 1.25 0.9 1.6 0.2 0.6 ...

Page 4

... AN8480NSB ■ Electrical Characteristics at T Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter Thermal protection Thermal protection operating temperature Thermal protection hysteresis width Thermal protection flag Level at thermal protection on Level at thermal protection off ■ ...

Page 5

... · · · ( ( · · · (10 · · · (11 · · · (12 SDD00006CEB AN8480NSB ECR · · · ...

Page 6

... AN8480NSB ■ Application Notes (continued) Theory of thermal resistance A chip temperature or the fin temperature can be understood in the same way as Ohm's Law j Electric power generated c Make sure that T does not exceed 150 exceeds 150 C, you can suppress the rise of a chip temperature by adding a heat sink which is equivalent the above figure ...

Page 7

Request for your special attention and precautions in using the technical information and (1) If any of the products or technical information described in this book exported or provided to non-residents, the laws and regulations of the ...

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