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PDF MTD6501D Data sheet ( Hoja de datos )
| Número de pieza | MTD6501D | |
| Descripción | 3-Phase Brushless DC Sinusoidal Sensorless Fan Motor Driver | |
| Fabricantes | Microchip | |
| Logotipo |  |
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MTD6501C/D/G
3-Phase Brushless DC Sinusoidal Sensorless Fan Motor Driver
Features
• Position Sensorless BLDC Drivers (No Hall
Sensor Required)
• 180° Sinusoidal Drive, for High Efficiency and Low
Acoustic Noise
• Support 2V to 14V Power Supplies
• Speed Control Through PAM and/or PWM
• Built-in Frequency Generator (FG Output Signal)
• Built-in Lock-up Protection and Automatic
Recovery Circuit (External Capacitor not
Necessary)
• Built-in Over Current Limitation and Short Circuit
Protection
• Built-in Thermal Shutdown Protection
• Thermally Enhanced SOP-8 Package for
MTD6501C and MTD6501G (Maximum Output
Current – 800 mA);
• MSOP-10L Package for MTD6501D (Maximum
Output Current – 500 mA)
• 20 kHz PWM Output Frequency for MTD6501C/D
and 23 kHz for MTD6501G
• Boost Mode (Optional Back Electromotive Force
(BEMF) Pre-amplification in MTD6501D)
• No External Tuning Required
The MTD6501C/D/G devices are formerly products of
Advanced Silicon.
Description
The MTD6501C/D/G devices are 3-phase, full-wave
drivers for brushless sensorless DC motors. They
feature 180° sinusoidal drive, high torque output, and
silent drive. Due to their adaptive features and wide
power-supply range capabilities (2V to 14V), they are
intended to cover a wide range of motor characteristics,
while requiring no external tuning from the user. Speed
control can be achieved through either power supply
modulation or pulse-width modulation (using the PWM
digital input pin).
Due to the compact packaging and minimum bill of
materials (power transistors incorporated, no Hall
sensor, no external tuning), they are best suited for low-
cost fan applications requiring high efficiency and low
acoustic noise, such as CPU cooling fans. Frequency
generator output enables precision speed control in
closed-loop applications. The MTD6501C/D/G drivers
include a Lock-up Protection mode, which turns off the
output current when the motor is under lock condition,
and an automatic recovery that enables the fan to run
when the lock condition is removed. Motor overcurrent
limitation, short-circuit protection and thermal-
shutdown protection are also included.
The MTD6501C and the MTD6501G are available in a
compact thermally-enhanced SOP-8 package, while
the MTD6501D is available in the MSOP-10L package.
Package Types
MTD6501C, MTD6501G
SOP-8
FG 1
8 PWM
VDD 2
OUT1 3
OUT2 4
7 VCC
6 OUT3
5 GND
MTD6501D
MSOP
FG 1
GND 2
VDD 3
OUT1 4
OUT2 5
10 PWM
9 BOOST
8 VCC
7 OUT3
6 GND
2010-2012 Microchip Technology Inc.
DS22263B-page 1
1 page  
MTD6501C/D/G
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings†
Power Supply Voltage (VCC_MAX) .................... -0.7 to +15.3V
Maximum OUT1, 2, 3 Output Voltage (VOUT_MAX) .................
................................................................ -0.7 to +15.3V+0.7V
FG Maximum Output Voltage (VFG_MAX) ......... -0.7 to +15.3V
Maximum Output Current(3,4) (IOUT_MAX)....................800 mA
Maximum Output Current(3,5) (IOUT_MAX)....................500 mA
FG Maximum Output Voltage (VFG_MAX) ......... -0.7 to +15.3V
FG Maximum Output Current (IFG_MAX) .....................5.0 mA
VDD Maximum Voltage (VDD_MAX) ..................... -0.7 to +4.0V
PWM Maximum Voltage (VPWM_MAX) ................ -0.7 to +4.0V
Allowable Power Dissipation(1,2,4)(PD_MAX).....................1.0W
Allowable Power Dissipation(1,2,5)(PD_MAX).....................0.5W
Max Junction Temperature (TJ)....................................+150°C
† Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of
the device at those or any other conditions above those
indicated in the operational listings of this specification
is not implied. Exposure to maximum rating conditions
for extended periods may affect device reliability.
Note 1: Reference PCB, according to JEDEC
standard EIA/JESD 51-9.
2: Derating applies for ambient temperatures
outside the specified operating range (refer
to Figure 1-1).
3: OUT1, OUT2, OUT3 (Continuous,
100% duty cycle).
4: MTD6501C and MTD6501G
5: MTD6501D
ELECTRICAL CHARACTERISTICS
Electrical Specifications: Unless otherwise specified, all limits are established for VCC = 5.0V, TA = +25°C
Parameters
Sym.
Min.
Typ.
Max.
Units
Conditions
Power Supply Voltage
VCC
2
— 14 V
Power Supply Current
IVCC
—
10
— mA Rotation Mode
5 Lock-Protection Mode
OUTx High Resistance
OUTx Low Resistance
OUTx Total Resistance
VDD Output Voltage
PWM Input Frequency
PWM Input H Level
PWM Input L Level
PWM Internal Pull-Up
Current
PWM Output
Frequency
FG Output Pin Low
Level Voltage
RON(H)
RON(L)
RON(H+L)
VDD
fPWM
VPWM_H
VPWM_L
IPWM_L
fPWM_O
VOL_FG
—
—
—
—
0.02
0.8*VDD
0
17
8
—
—
0.75
0.75
1.5
3
VCC – 0.2
—
—
—
34
17
20
23
—
1
1
2
—
100
3.6
0.2*VDD
—
—
—
0.25
Ω IOUT = 0.5A, VCC = 3.3V to 14V
Ω IOUT = -0.5A, VCC = 3.3V to 14V
Ω IOUT = 0.5A, VCC = 3.3V to 14V
V VCC = 3.3V to 14V
V VCC < 3.3V
kHz —
V—
V—
µA PWM = GND, VCC = 3.3V to 14V
µA PWM = GND, VCC < 3.3V
kHz MTD6501C and MTD6501D
kHz MTD6501G
V IFG = -1 mA
FG Output Pin Leakage ILH_FG
—
—
10 µA VFG = 14V
Current
Lock Protection
Operating Time
TRUN
—
0.5
—
s—
Lock Protection Waiting TWAIT
4.5
5
5.5 s —
Time
Thermal Shutdown
TSD — 170 — °C —
Thermal Shutdown
TSD_HYS
—
25
— °C —
Hysteresis
2010-2012 Microchip Technology Inc.
DS22263B-page 5
5 Page 
4.0 PACKAGING INFORMATION
4.1 Package Marking Information
8-Lead SOP (3.90 mm) (MTD6501C, MTD6501G)
NNN
MTD6501C/D/G
Example
MTD6501C
HC e^3^1135
256
10-Lead MSOP (MTD6501D)
Example
6501D
135256
Legend:
XX...X
Y
YY
WW
NNN
e3
*
Customer-specific information
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator ( e3 )
can be found on the outer packaging for this package.
Note: In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information.
2010-2012 Microchip Technology Inc.
DS22263B-page 11
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet MTD6501D.PDF ] | |
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