參數(shù)資料
型號: AMC8520
廠商: Electronic Theatre Controls, Inc.
英文描述: SINGLE PHASE VARIABLE SPEED ADVANCED FAN CONTROLLER
中文描述: 單相變速高級風(fēng)扇控制器
文件頁數(shù): 1/2頁
文件大?。?/td> 87K
代理商: AMC8520
P
P
Preliminary Specification
Product Description
- 1 -
Andigilog, Inc. 2007
www.andigilog.com
April 2007 - 70A06005
S
INGLE
P
HASE
V
ARIABLE
S
PEED
A
DVANCED
F
AN
C
ONTROLLER
aMC8520
The aMC8520 is a full featured single phase brushless DC
motor controller that contains all the required functions for an
economical closed loop motor control solution that fulfills the
balanced technology extended (BTX) requirements allowing
a significant reduction of acoustic noise generation. Unique
features of this device are a pulse width modulation (PWM)
speed control input that is compatible with industry standard
digital temperature monitors, thermistor input with adjustable
gain and minimum temperature response threshold for
temperature monitoring, programmable high and low
temperature maximum RPM, programmable minimum RPM,
current output error amplifier for easy control loop
compensation. Additional features include a latching PWM
for enhanced noise immunity, integrated fault timer with auto
start retry, adaptive motor start timer to insure start up,
combined frequency generator / rotor lock output, Hall
amplifier with propriety noise immunity circuitry for proper
drive sequencing, compatibility with differential non-buffered
and buffered sensors, pinned out reference for Hall and
circuit bias, fixed non-overlapping commutation delay for
reduced power supply current spiking, two 40 V open drain
top drivers, two 100 mA complementary MOSFET bottom
drivers, programmable cycle-by-cycle current limiting, under
voltage lockout and thermal shutdown protection, and an
internal shunt regulator for use with higher voltage motors.
Features
PWM closed loop speed control compatible with industry
standard digital temperature monitors
Thermistor input with adjustable gain and minimum
temperature response threshold
Programmable high and low temperature maximum RPM
Programmable minimum RPM
Current output error amp for easy loop compensation
Differential unbuffered and digital Hall compatibility with
propriety noise immunity circuitry
Integrated fault timer with auto start retry
Adaptive motor start timer
Combined frequency generator / rotor lock output
Pinned out reference for Hall and circuit bias
Fixed non-overlapping commutation delay
Two 40 V open collector top drivers
Two 100 mA complementary MOSFET bottom drivers
Programmable cycle-by-cycle current limit protection
Under voltage lockout and thermal shutdown protection
Internal shunt regulator for higher voltage motors
Applications
PC, workstation and mainframe fans
Telecom, LAN server fans and blowers
Industrial control and instrumentation fans
Ordering Information
Pin Configuration
aMC8520
7
1
2
3
4
5
6
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
Phase 1
Phase 2
Bottom Drive
Bottom Drive
Phase 2
Top Drive
Phase 1
Top Drive
Signal Ground
V
DD
Reference
Output
V
D
Driver
Current Sense
Input
Hall -
Hall +
Driver Ground
Minimum RPM
Signal Ground
Gain Amp
Output
Freq. Generator
Rotor Lock
Output
Actual RPM
Output
Gain Amp
Input
Thermistor
Control Input
PWM Control
Input
Control Loop
Compensation
Required RPM
Output
Low Temp
Maximum RPM
Part Number
Package
24-lead QSOP
Operating Junction Temperature Range
Marking
aMC85020QS24
-40°C to 150°C
aMC8520
High Temp
Maximum RPM
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