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PDF AM4967 Data sheet ( Hoja de datos )
| Número de pieza | AM4967 | |
| Descripción | ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER | |
| Fabricantes | BCD | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AM4967 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR
General Description
Features
Data Sheet
AM4967
The AM4967 is a single-coil, single-phase motor pre- · Single-phase Full-wave Pre-drive
driver designed by bipolar process. Its rotation speed · Rotation Speed Control via External PWM
can be controlled through an external PWM. This IC · Maximum Operating Current Limit
requires few external components and has the merit of
high efficiency which make it suitable for use in great
·
Linear Start Function for Reducing Large Current
Impulse at the Moment of Turn-on
air volume, large current and high voltage applications. · Minimum Rotation Speed Setting
The AM4967 is available in SSOP-16 package.
· Lock Protection and Auto Start Function
· Rotation Speed Indication
· Over Temperature Protection
Application
· CPU and OA (Office Automation) Cooler Fan
· Brushless DC Motor
Oct. 2008 Rev. 1. 2
SSOP-16
Figure 1. Package Type of AM4967
BCD Semiconductor Manufacturing Limited
1
1 page  
Data Sheet
ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR
AM4967
Truth Table
1. Driver-lock. VOSC is High, VPWM, VVMIN and VLS are low.
HIN- HIN+
CT
OUT1 OUT1B OUT2 OUT2B FG/RD
Mode
HL
LH
L L OFF H L OUT1 OUT2 (Driver)
L
OFF H L L OFF OUT2 OUT1 (Driver)
HL
LH
OFF L OFF H
L
H
OFF H OFF L OFF
Lock Protection
2. Speed control. VCT, VLS are low.
VPWM, VMIN COSC
LH
HL
HIN-
H
L
H
L
HIN+
L
H
L
H
OUT1 OUT1B
LL
OFF H
OFF L
OFF H
OUT2
OFF
L
OFF
OFF
OUT2B
Mode
H OUT1 OUT2 (Driver)
L OUT2 OUT1 (Driver)
H
Regenerative
L
Ordering Information
AM4967
-
Circuit Type
Pin 8
R: RD
Blank: FG
Package
GS: SSOP-16
E1: Lead Free
G1: Green
TR: Tape and Reel
Blank: Tube
Package
Temperature
Range
Part Number
Lead Free
Green
Marking ID
Lead Free
Green
Packing
Type
AM4967GS-E1
AM4967GS-G1
AM4967GS AM4967GS-G1
Tube
AM4967GSTR-E1
SSOP-16 -30 to 105oC
AM4967RGS-E1
AM4967GSTR-G1 AM4967GS AM4967GS-G1 Tape & Reel
AM4967RGS-G1 AM4967RGS AM4967RGS-G1
Tube
AM4967RGSTR-E1 AM4967RGSTR-G1 AM4967RGS AM4967RGS-G1 Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with
"G1" suffix are available in green package.
Oct. 2008 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
5
5 Page 
ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR
Operating Diagram (Continued)
LS Voltage
VMIN Voltage
VPWM Voltage
Data Sheet
AM4967
3.0V
COSC
1.0V
0V
Lock Protection
Linear Start
VPWM Setting Speed
100%
ON-Duty
0%
Figure 10. Operating Diagram 2 of AM4967 (Linear Start, VPWM Voltage<VMIN Voltage, Note 4)
VPWM Voltage
VMIN Voltage
LS Voltage
0V
100%
Lock Protection
Linear
Start
ON-Duty
VMIN Setting Speed
3.0V
COSC
1.0V
0%
Figure 11. Operating Diagram 3 of AM4967 (Linear Start, VPWM Voltage>VMIN Voltage, Note 4)
Oct. 2008 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet AM4967.PDF ] | |
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