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PDF CMI8800 Data sheet ( Hoja de datos )
| Número de pieza | CMI8800 | |
| Descripción | Single/Three Phase Spindle Motor Controller/Driver IC For DVD/CD-ROM | |
| Fabricantes | Capella Microsystems | |
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cmi
Capella Microsystems Inc.
3777 Stevens Creek Blvd., Suite 320
Santa Clara, CA 95051-7364 U.S.A
Tel: (408) 260-3400
FAX: (408) 248-3416
CMI8800 Single/Three Phase
Spindle Motor Controller/Driver IC
For DVD/CD-ROM
PRELIMINARY DATA SHEET
DataSheet4U.com
Revision 3.0
07/09/99
DataShee
This preliminary data sheet indicates that this product is still in the design cycle. All specifications
are based on design goals only. Capella Microsystems Inc. assumes no responsibility for the use of this
product.
Capella Microsystems Inc. reserves the right to make changes in specifications or discontinue
this product at any time without notice. Please contact Capella Microsystems Inc. for possible updates
before starting a design.
Capella Microsystems Inc. products are not designed for use in life support applications. Any
parties who use these products in such applications do so at their own risk and agree to fully indemnify
Capella Microsystems Inc. for any damages resulting from such improper usage or sale.
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Copyright © Capella Microsystems 1999
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CONFIDENTIAL
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3777 Stevens Creek Blvd., Suite 320
Santa Clara, CA 95051-7364 U.S.A
Tel: (408) 260-3400
FAX: (408) 248-3416
Pin Description
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Pin Name
LDIN
W
LDOT
V
NC
NC
U
GND
H1+
H1-
H2+
H2-
H3+
H3-
VH
BR
CNF
SB
1P/3P~
FR
ECR
EC
PS~
FG
VCCI
VCCM2
VCCM1
RNF
Pin Description
Input for the External Lead Network (for Single Phase Motor)
This Pin is left open for three phase motor applications
H-Bridge Power Driver Output (W)
Output of External Lead Network (for Single Phase Motor)
This pin must be left open for three phase motor applications
H-Bridge Power Driver Output (V), NC for Single Phase Mode
No Connection [This pin must be left open]
No Connection [This pin must be left open]
H-Bridge Power Driver Output (U)
Common Ground
Hall Amplifier #1 Positive Input
Hall Amplifier #1 Negative Input
Hall Amplifier #2 Positive Input
Hall Amplifier #2 Negative Input
Hall Amplifier #3 Positive Input
Hall Amplifier #3 Negative Input
Hall Bias Generator Output (Open Collector Output)
Brake Mode Control, High = Break Mode
Charge Pump CapacDitaotraBSehteweete4nU.tchoismPin and Ground
Short Brake Control Pin, High = Short Brake Mode
Single Phase (1P)/Three Phase (3P) Control Pin
High = Single Phase. Default = Three Phase = Low
Rotation Detection Pin
Reference Voltage to Torque Sense Amplifier
Torque Control Input Terminal
Power Save or Sleep Mode Control
(Logic Low: Power Save or Sleeping Mode)
FG Signal Output Pin
5V Power Supply for Internal Core Circuitry
12V Power Supply for H-Bridge Motor (Power) Driver
12V Power Supply for Internal Core Circuitry
Motor Current Sense Resistor
Note: FIN à GND
DataShee
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3777 Stevens Creek Blvd., Suite 320
Santa Clara, CA 95051-7364 U.S.A
Tel: (408) 260-3400
FAX: (408) 248-3416
Test Circuit and Conditions (Continued)
2.5V
8 Ohm
8 Ohm
8 Ohm
2.6V
2.5V
N.C. LDIN 1
28 RNF
W2
27 VCCM1
LDOT 3
26 VCCM2
V4
25 VCCI
N.C. 5
24 FG N.C.
N.C. 6
23 PS~
U7
22 EC
FIN CMI8800 FIN
GND 8
H1+ 9
H1- 10
H2+ 11
H2- 12
H3+ 13
H3- 14
21 ECR
20 FR N.C.
19 1P/3P~
DataSheet148U.ScBom
17 CNF
16 BR
15 VH
IVCCIN
2.5V
5V
0uA
VHB
VITL
0.5 Ohm
12V
5V
CNF
DataShee
Note: ITL=VITL/0.5
Figure 7: CMI8800 Torque Limit Current (ITL) Measurement
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Copyright © Capella Microsystems 1999
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CONFIDENTIAL
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet CMI8800.PDF ] | |
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