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參數資料
| 型號： | AMC8500QS16 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | TWO PHASE VARIABLE SPEED FAN MOTOR CONTROLLER |
| 中文描述： | 兩相流變速風扇電機控制器 |
| 文件頁數： | 1/27頁 |
| 文件大小： | 648K |
| 代理商： | AMC8500QS16 |
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P
P
Preliminary Specification
Product Description
- 1 -
Andigilog, Inc. 2006
www.andigilog.com
August 2006 - 70A04018
T
WO
P
HASE
V
ARIABLE
S
PEED
F
AN
M
OTOR
C
ONTROLLER
P
RODUCT
S
PECIFICATION
aMC8500
The aMC8500 is a full featured monolithic brushless DC
motor controller containing all the required functions to
implement fan speed control. This device features a
selectable slope pulse width modulator (PWM) for efficient
speed control with analog and digital control signal
compatibility, programmable minimum speed setting, Hall
amplifier with propriety noise immunity circuitry for proper
drive sequencing, fixed non-overlapping commutation delay
for reduced supply current spiking, dual on-chip 0.5
power
MOSFETs with thermal protection for direct motor drive,
programmable cycle-by-cycle current limiting, internal fault
timer with auto start retry, motor kick start timer to insure start
up, combined frequency generator / rotor lock output,
uncommitted op amp with reference for thermal sensor
voltage scaling, and a selectable automatic low current
power down mode for power sensitive applications.
Features
Analog and digital speed control signal compatibility
Programmable minimum speed setting
Selectable PWM speed control slope
Latching PWM for enhanced noise immunity
Integrated fault timer with auto start retry
Motor kick start timer
Combined frequency generator / rotor lock output
Differential unbuffered and digital Hall compatibility
Hall amplifier with propriety noise immunity circuitry
Pinned out reference
Uncommitted op amp for thermal sensor voltage scaling
Fixed non-overlapping commutation delay
Dual on-chip 0.5
MOSFET motor drives
Programmable cycle-by-cycle current limit protection
Thermal shutdown protection
Under voltage lockout protection
Selectable automatic low current power down mode
Applications
Personal computer fans
Workstation and mainframe fans
LAN server blowers
Industrial control system fans
Telcom system fans
Instrumentation test and measurement fans
Card rack fans
Ordering Information
Pin Configuration
Phase 1
Output
Application Diagram
Part Number
Package
Operating Junction
Temperature Range
Marking
aMC8500DE16
SOIC 16 Lead Exposed Pad
aMC8500QS16
Ayww – Assembly site year workweek
QSOP 16 Lead
-40°C to 125°C
aMC8500
Ayww
Non-Inv.
Inv.
Commutation
Logic
1
V
DD
12V
H-
Motor
Drive
Current
Limit
H+
Fault Timer
2
PWM
Logic
Reference
Op
Amp
Slope Select
Signal Gnd
Power Gnd
Ref.
Output
Minimum
Speed
Speed
Control
FG / RL
Output
Current
Limit
Set
Minimum
Speed Set
Power
Ground
V
DD
Current
Limit Set
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
Freq Gen.
Rotor Lock
aMC8500
Reference
Output
Non-Inverting
Input
Inverting
Input
Op Amp
Output
Speed Control
Input
Slope Select
Hall +
Hall -
Phase 2
Output
Signal
Ground
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