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PDF MCP8024 Data sheet ( Hoja de datos )
| Número de pieza | MCP8024 | |
| Descripción | 3-Phase Brushless DC (BLDC) Motor Gate Driver | |
| Fabricantes | Microchip | |
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Hay una vista previa y un enlace de descarga de MCP8024 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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MCP8024
3-Phase Brushless DC (BLDC) Motor Gate Driver
with Power Module
Features:
• Three Half-bridge Drivers Configured to Drive
External High-Side NMOS and Low-Side NMOS
MOSFETs:
- Independent input control for high-side
NMOS and low-side NMOS MOSFETs
- Peak output current: 0.5A @ 12V
- Shoot-through protection
- Overcurrent and short circuit protection
• Adjustable Output Buck Regulator (750 mW)
• Fixed Output Linear Regulators:
- 5V @ 20 mA
- 12V @ 20 mA
• Internal Bandgap Reference
• Three Operational Amplifiers for Motor Phase
Current Monitoring and Position Detection
• Overcurrent Comparator
• Two Level Translators
• Operational Voltage Range 6 - 40V
• Undervoltage Lockout (UVLO): 6V
• Overvoltage Lockout (OVLO): 28V
• Transient (100 ms) Voltage Tolerance: 48V
• Extended Temperature Range: TA -40 to +150°C
• Thermal Shutdown
Applications:
• Automotive Fuel, Water, Ventilation Motors
• Home Appliances
• Permanent Magnet Synchronous Motor (PMSM)
Control
• Hobby Aircraft, Boats, Vehicles
Related Literature:
• AN885, “Brushless DC (BLDC) Motor Fundamen-
tals”, DS00885, Microchip Technology Inc., 2003
• AN1160, “Sensorless BLDC Control with Back-
EMF Filtering Using a Majority Function”,
DS01160, Microchip Technology Inc., 2008
• AN1078, “Sensorless Field Oriented Control of a
PMSM”, DS01078, Microchip Technology Inc.,
2010
Description:
The MCP8024 is a 3-Phase Brushless DC (BLDC)
power module. The MCP8024 device integrates three
half-bridge drivers to drive external NMOS/NMOS
transistor pairs configured to drive a 3-phase BLDC
motor, a comparator, a voltage regulator to provide bias
to a companion microcontroller, power monitoring
comparators, an overtemperature sensor, two level
translators and three operational amplifiers for motor
current monitoring.
The MCP8024 has three half-bridge drivers capable of
delivering a peak output current of 0.5A at 12V for
driving high-side and low-side NMOS MOSFET
transistors. The drivers have shoot-through,
overcurrent, and short-circuit protection.
The MCP8024 buck converter is capable of delivering
750 mW of power for powering a companion
microcontroller. The buck regulator may be disabled if
not used. The on-board 5V and 12V low dropout
voltage regulators are capable of delivering 20 mA of
current.
The MCP8024 operation is specified over a
temperature range of -40°C to +150°C.
Package options include the 40-lead 5x5 QFN and 48-
lead 7x7 TQFP.
2013 Microchip Technology Inc.
DS20005228A-page 1
Free Datasheet http://www.Datasheet4U.com
1 page  
MCP8024
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings †
ESD and Latch-up protection:
VDD, HV_IN1 pins 12 kV HMM and 750V CDM
All other pins ...................... 4 kV HBM and 750V CDM
Latch-up protection - all pins............................... > 100 mA
Input Voltage, VDD........................................................+46.0V
Input Voltage, < 100 ms Transient ...............................+48.0V
Internal Power Dissipation ...........................Internally-Limited
Operating Ambient Temperature Range .......-40°C to +150°C
Operating Junction Temperature (Note 1).....-40°C to +160°C
Transient Junction Temperature* ................................ +170°C
Storage temperature (Note 1) .......................-55°C to +150°C
Digital I/O .......................................................... -0.3V to 5.5V
LV Analog I/O .................................................... -0.3V to 5.5V
† 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.
* Notice: Transient junction temperatures should not
exceed one second in duration. Sustained junction
temperatures above 170°C may impact the device
reliability.
AC/DC CHARACTERISTICS
Electrical Specifications: Unless otherwise noted TJ = -40°C to +150°C.
Parameters
Symbol
Min. Typ. Max.
Units
Conditions
Power Supply Input
Input Operating Voltage
VDD 6.0 — 28.0 V Operating
6.0 — 40
Shutdown
Transient Maximum Voltage
VDDmax
— — 48
V < 100 ms
Input Quiescent Current
IQ — — — A VDD = 13V,
— 171 220
disabled, CE = 0V, TJ = 25°C
— 197 —
disabled, CE = 0V, TJ = 85°C
— 200 —
disabled, CE = 0V, TJ = 130°C
— 200 500
disabled, CE = 0V, TJ = 150°C
— 900 —
active, CE > VDIG_HI_TH
Digital Input/Output
DIGITALI/O 0 — 5.5 V
Digital Open-Drain Drive
Strength
DIGITALIOL
—
1
— mA VDS < 50 mV
Digital Input Rising Threshold VDIG_HI_TH 1.26
—
—
Digital Input Falling Threshold VDIG_LO_TH
—
— 0.54
V
V
Digital Input Hysteresis
VDIG_HYS
— 500 —
mV
Digital Input Current
IDIG — 30 100 µA VDIG = 3.0V
— 0.2 —
VDIG = 0V
Analog Low-Voltage Input
Analog Low-Voltage Output
ANALOGVIN
ANALOGVOUT
0
0
— 5.5
V Excludes high voltage
— VOUT5 V Excludes high voltage
BIAS GENERATOR
+12V Regulated Charge Pump
Charge Pump Current
ICP 20 — — mA VDD = 9.0V
Charge Pump Voltage
VCP
+10 2 * VDD —
V VDD = 9.0V, ICP = 20 mA
Charge Pump Start
CPSTART
11.0 11.5 —
V VDD falling
Note 1:
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable
junction temperature and the thermal resistance from junction to air (i.e., TA, TJ, JA). Exceeding the
maximum allowable power dissipation may cause the device operating junction temperature to exceed the
maximum 160°C rating. Sustained junction temperatures above 150°C can impact the device reliability
and OTP data retention.
2: 1000 hour cumulative maximum for OTP data retention (typical).
2013 Microchip Technology Inc.
DS20005228A-page 5
Free Datasheet http://www.Datasheet4U.com
5 Page 
MCP8024
2.0 TYPICAL PERFORMANCE CURVES
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
Note: Unless otherwise indicated: TA = +25°C; Junction Temperature (TJ) is approximated by soaking the device under
test to an ambient temperature equal to the desired junction temperature. The test time is small enough such that the
rise in Junction temperature over the Ambient temperature is not significant.
0.010
0.008
0.006
VOUT = 5V
0.004
0.002
VOUT = 12V
0.000
-45 -30 -15 0 15 30 45 60 75 90 105 120 135 150
Temperature (°C)
FIGURE 2-1: LDO Line Regulation vs
Temperature.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.01
0.10
1.00 10.00 100.00 1000.00
Frequency (kHz)
FIGURE 2-4: 12 V LDO Power Supply Ripple
Rejection vs Frequency.
0.35
0.30 VOUT = 5V
0.25
0.20
VOUT = 12V
0.15
0.10
0.05
0.00
-45 -30 -15 0 15 30 45 60 75 90 105 120 135 150
Temperature (°C)
FIGURE 2-2: LDO Load Regulation vs
Temperature.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.01
0.10
1.00 10.00 100.00 1000.00
Frequency (kHz)
FIGURE 2-3: 5V LDO Power Supply Ripple
Rejection vs Frequency.
140.0
120.0
100.0
80.0
12V LDO
5V LDO
60.0
40.0
20.0
0.0
7
10 13 16 19 22 25 28 31
Voltage (V)
FIGURE 2-5: LDO Short Circuit Current vs Input
Voltage.
.
18
Vin = 14V
15
Vin = 15V
200
150
12 100
9
Vout (AC)
6
50
0
3 Cin = Cout = 10 µF -50
Iout = 20 mA
0 -100
0 50 100 150 200 250
Time (µs)
FIGURE 2-6: 5V LDO Dynamic Linestep -
Rising VDD.
2013 Microchip Technology Inc.
DS20005228A-page 11
Free Datasheet http://www.Datasheet4U.com
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MCP8024.PDF ] | |
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