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8500D

Part # 8500D
Description FAN, 115V-50/60 HZ 15W
Category FAN
Availability In Stock
Qty 26
Qty Price
1 - 1 $197.45792
2 - 3 $157.06880
4 - 6 $148.09344
7 - 14 $137.62218
15 + $122.66325
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

Preliminary Specification – Subject to change without notice
Preliminary Specification – Subject to change without notice
Preliminary Specification
- 1 -
© Andigilog, Inc. 2006 www.andigilog.com August 2006 - 70A04018
TWO PHASE
V
ARIABLE SPEED
FAN MOTOR CONTROLLER
aMC8500
PRODUCT SPECIFICATION
Product Description
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
Pin Configuration
Phase 1
Output
Application Diagram
Ordering Information
Part Number Package
Operating Junction
Temperature Range
Marking
aMC8500DE16 SOIC 16 Lead Exposed Pad
aMC8500QS16 QSOP 16 Lead
-40°C to 125°C
aMC8500
Ayww
Ayww – Assembly site year workweek
Non-Inv.
Inv.
Commutation
Logic
Ø1
V
DD
12V
H-
Motor
Drive
Current
Limit
H+
Fault Timer
Ø2
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
Preliminary Specification – Subject to change without notice
Preliminary Specification – Subject to change without notice
Preliminary Specification
- 2 -
© Andigilog, Inc. 2006 www.andigilog.com
August 2006 - 70A04018
aMC8500
Absolute Maximum Ratings (Note 1)
Parameter
Symbol Rating Unit
Power Supply Voltage (Pin 12) V
DD
-0.3 to 18 V
Hall Input Voltage Range (Pin 3, 4) V
IR(Hall)
-0.3 to V
DD
V
Speed Control Input Voltage Range (Pin 10) V
IR(S)
-0.3 to V
DD
V
Minimum Speed Set Input Voltage Range (Pin 6) V
IR(MSS)
-0.3 to V
DD
V
Reference Output Load Current (Pin 5) I
O(Ref)
Internally
Limited
mA
Op Amp Input Voltage Range (Pin 7, 8) V
IR(OA)
-0.3 to V
DD
V
Op Amp Output (Pin 9, Note 4)
Voltage Range
Source or Sink Current
V
OR(OA)
I
O(OA)
-0.3 to V
DD
30
V
mA
Slope Select Input Voltage Range (Pin 14) V
IR(LS)
-0.3 to V
REF
V
Current Limit Set Input Voltage Range (Pin 2) V
IR(ILim)
-0.3 to V
REF
V
Frequency Generator / Rotor Lock Output (Pin 15)
Voltage Range
Sink Current
V
OR(FG/RL)
I
Sink(FG/RL)
-0.3 to 18
20
V
mA
Drive Outputs (Pin 1, 16, Note 4)
Voltage Range
Sink Current
Source Current
V
D(Ø1/Ø2)
I
Sink(Ø1/Ø2)
I
Source(Ø1/Ø2)
-0.3V to 36
1.5
-1.5
V
A
A
Thermal Characteristics
SOP-16 Exposed Pad Package
Thermal Resistance, Junction to Air
Thermal Resistance, Junction to Pad
QSOP-16 Package
Thermal Resistance, Junction to Air
R
ØJA
R
ØJC
R
ØJA
92
15
136
°C/W
Operating Junction Temperature Range T
J(max)
-40°C to 125 °C
Storage Temperature Range T
stg
-60°C to 150 °C
IR Reflow Peak Temperature T
reflow
260
°C
Lead Soldering Temperature (10 sec) T
lead
300
°C
Electrostatic Discharge (Note 2)
Human Body Model
Machine Model
ESD
2000
250
V
Notes:
1. Absolute maximum ratings are limits beyond which operation may cause permanent damage to the device.
These are stress ratings only. Functional operation at or above these limits is not implied.
2. Human Body Model: 100 pF capacitor discharged through a 1.5 kΩ resistor into each pin.
Machine Model: 200 pF capacitor discharged directly into each pin.
3. These specifications are guaranteed only for the test conditions listed.
4. Maximum package power dissipation limits must be observed.
Preliminary Specification
aMC8500
Electrical Characteristics
(
V
DD
= 12 V, T
A
= 25°C, unless otherwise noted. Specifications subject to change without notice [Note 3].)
Preliminary Specification – Subject to change without notice
Preliminary Specification – Subject to change without notice
- 3 -
© Andigilog, Inc. 2006 www.andigilog.com August 2006 - 70A04018
Parameter Symbol Min Typ Max Units
SPEED CONTROL (Pin 10) and MINIMUM SPEED SET (Pin 6)
Input Threshold Voltage
Pin 14 = Gnd
0% Drive Conduction
100% Drive Conduction
Pin 14 = Open
0% Drive Conduction
100% Drive Conduction
V
th(0%)
V
th (100%)
V
th(0%)
V
th(100%)
0.95
2.85
2.85
0.95
1.0
3.0
3.0
1.0
1.05
3.15
3.15
1.05
V
Speed Control Input Threshold Voltage for Power Down (I
O(ref)
1.0 mA)
Input Voltage Below 0% Drive Conduction, V
th(0%)
, Pin 14 = Gnd
Input Voltage Above 0% Drive Conduction, V
th(0%)
, Pin 14 = Open
V
th(PD)
-
-
20
20
-
-
mV
Speed Control Input PWM Signal Transition Time
Maximum allowable rise or fall time for digital control
t
r
/t
f
-
- 50 µs
Input Bias Current, (V
in
= 3.5 V) I
IB
- 1.0 - µA
Modulation Frequency f
PWM
- 30 - kHz
SLOPE SELECT (Pin 14)
Input Threshold Voltage
Low State
Increasing voltage at Pin 6, 10 causes increase in drive conduction
High State
Increasing voltage at Pin 6, 10 causes decrease in drive conduction
V
IL(S)
V
IH(S)
-
2.8
-
-
1.0
-
V
Low State Input Pull-Up Current (V
IL(S)
= 0 V) I
I(S)
- 10 - µA
HALL AMPLIFIER (Pin 3, 4)
Input Differential Voltage Sensitivity
Required signal level to enable drive commutation
V
ID(Hall)
- 20 40
mVpp
Input Hysteresis Voltage (V
in
= 3.5 V) V
IH(Hall)
- 10 -
mV
Input Resistance R
IN(Hall)
- 3.0 - M
Input Common Mode Voltage Range V
ICM(Hall)
0 to
V
DD
-0.3
to
V
DD
+0.3
- V
OP AMP (Pin 7, 8, 9)
Input Offset Voltage (V
in
= 3.5V) V
IO
-
2.0 -
mV
Input Bias Current (V
in
= Gnd) I
IB
-
50 -
nA
Input Common Mode Voltage Range V
ICM(OA)
-
0 to
4.2
-
V
Open Loop Voltage Gain A
VOL
80 100 - dB
Gain Bandwidth Product (f = 10 kHz) GBW - 70 - kHz
Output Voltage Swing
High State (I
source
= 5.0 mA to Gnd)
Low State (I
sink
= 5.0 mA to V
DD
)
V
OH(OA)
V
OL(OA)
-
-
V
DD
-1.5
0.5
-
-
V
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