概述
数据手册DRV10963 概述
5-V, THREE PHASE, SENSORLESS BLDC MOTOR DRIVER 5 -V ，三相，传感器直流无刷电机驱动器
DRV10963 数据手册
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5-V, THREE PHASE, SENSORLESS BLDC MOTOR DRIVER
Check for Samples: DRV10963
1
FEATURES
•
Proprietary Sensor-less Window-less
180° Sinusoidal Control Scheme
•
•
•
•
Lock Detection
Anti Voltage Surge (AVS)
UVLO
•
•
•
Input Voltage Range 2.1 V to 5.5 V
500-mA Output Current
Thermal Shutdown
Low Quiescent Current 15 µA (typical) at
Standby Mode
APPLICATIONS
•
•
Total Driver H+L Rdson Less than 1.5 Ω
•
•
•
Notebook CPU Fan
Game Station CPU Fan
ASIC Cooling Fan
Current Limit and Short Circuit Current
Protection
DESCRIPTION
The DRV10963 is a three phase sensor-less motor driver with integrated power MOSFETs. It is specifically
designed for high efficiency, low noise and low external component count motor drive applications. The
proprietary sensor-less window-less 180° sinusoidal control scheme satisfies the ultra-quiet requirement. The
DRV10963 contains an intelligent lock detect function, which ensures safe operation in the event of a locked
rotor. The DRV10963 is available in a thermally efficient 10-pin USON package with an exposed thermal pad.
TYPICAL APPLICATION
Vcc
100k
1
2
3
4
5
10
9
PMWIN
FG
FG
PWM
GND
FR
FGS
VCC
W
8
Vcc
7
2.2uF
U
V
Gnd
6
GND
Gnd
M
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2013, Texas Instruments Incorporated
DRV10963
SLAS955 –MARCH 2013
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These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ORDERING INFORMATION(1)(2)
SPECIFIED
TEMPERATURE
RANGE
PACKAGE
DESIGNATOR
ORDERING
NUMBER
TRANSPORT
MEDIA, QUANTITY
PRODUCT
PACKAGE-LEAD
PACKAGE MARKING
DRV10963
USON-10
DSN
-40°C to 150°C
DRV10963B
DRV10963DSNR
Reel of 3000
(1) For the most current packaging and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
DRV10963 BLOCK DIAGRAM
DRV10963
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DSN PACKAGE
(TOP VIEW)
PIN FUNCTIONS
PIN
NAME
I/O
DESCRIPTION
NUMBER
1
2
FG
Output
Input
Motor speed indicator output (open drain)
FGS
Motor speed indicator selector. The state of this pin is latched on power-up and can not be changed
dynamically.
3
VCC
W
Power
IO
Input voltage for motor and chip supply
4
Motor Phase W
5
GND
V
Ground
IO
Ground
6
Motor Phase V
7
U
IO
Motor Phase U
8
FR
Input
Ground
Input
Motor direction selector. This pin can be dynamically changed after power-up.
9
GND
PWM
Ground
10
Motor speed control input.
Thermal
Pad
Thermal
Pad
Connect to Ground for maximum thermal efficiency. Thermal pad is on the bottom of the package
ABSOLUTE MAXIMUM RATINGS(1)
over operating free-air temperature range (unless otherwise noted)
VALUE
–0.3 to 6
–1.0 to 7.7
–0.3 to 6
–0.3 to 7.7
–40 to 150
–55 to 150
260
UNIT
V
VCC
VCC Pin supply voltage
Motor phase pins
U, V, W
V
FR, FGS, PWM Direction, speed indicator input, and speed input
V
FG
Speed output
V
TJ
Junction temperature
°C
°C
°C
TSTG
TSDR
Storage temperature
Maximum lead soldering temperature, 10 seconds
(1) Stresses beyond those under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only
and functional operation at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. All voltages are with respect
to ground.
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THERMAL INFORMATION
DRV10963
DSN
10 PINS
40.9
THERMAL METRIC(1)
UNITS
θJA
Junction-to-ambient thermal resistance(2)
Junction-to-case (top) thermal resistance(3)
Junction-to-board thermal resistance(4)
Junction-to-top characterization parameter(5)
Junction-to-board characterization parameter(6)
Junction-to-case (bottom) thermal resistance(7)
θJCtop
θJB
46.6
15.8
°C/W
ψJT
0.5
ψJB
16
θJCbot
2.9
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
(2) The junction-to-ambient thermal resistance under natural convection is obtained in a simulation on a JEDEC-standard, high-K board, as
specified in JESD51-7, in an environment described in JESD51-2a.
(3) The junction-to-case (top) thermal resistance is obtained by simulating a cold plate test on the package top. No specific JEDEC-
standard test exists, but a close description can be found in the ANSI SEMI standard G30-88.
(4) The junction-to-board thermal resistance is obtained by simulating in an environment with a ring cold plate fixture to control the PCB
temperature, as described in JESD51-8.
(5) The junction-to-top characterization parameter, ψJT, estimates the junction temperature of a device in a real system and is extracted
from the simulation data for obtaining θJA, using a procedure described in JESD51-2a (sections 6 and 7).
(6) The junction-to-board characterization parameter, ψJB, estimates the junction temperature of a device in a real system and is extracted
from the simulation data for obtaining θJA , using a procedure described in JESD51-2a (sections 6 and 7).
(7) The junction-to-case (bottom) thermal resistance is obtained by simulating a cold plate test on the exposed (power) pad. No specific
JEDEC standard test exists, but a close description can be found in the ANSI SEMI standard G30-88.
Spacer
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN
2.1
MAX UNIT
VCC
VCC Pin supply voltage
Motor phase pins
5.5
7
V
V
U, V, W
–0.1
–0.1
–0.1
–40
FR, FGS, PWM Direction, speed indicator input, and speed input
5.5
7.5
125
V
FG
TJ
Speed output
V
Junction temperature
°C
4
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ELECTRICAL CHARACTERISTICS
(VCC = 5 V, TA = 25°C unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
TYP
MAX UNIT
SUPPLY CURRENT
IVCC
Operating current
Standby current
PWM = VCC, no motor connected
PWM = 0 V
5.5
15
mA
IVCC_STBY
UVLO
20
2.1
µA
VUVLO_H
VUVLO_L
VUVLO_HYS
Undervoltage threshold high
Undervoltage threshold low
Undervoltage threshold hysteresis
2
1.8
V
V
1.7
100
200
300
1.5
mV
INTEGRATED MOSFET
RDSON
PWM
Series resistance (H+L)
VCC = 5 V; IOUT = 0.5 A
1
Ω
VIH_PWM
VIL_PWM
FPWM
Input high threshold
Input low threshold
PWM input frequency
2.3
15
V
V
0.8
Duty cycle >0% and <100%
Active Mode
100 kHz
50
2
kΩ
MΩ
µs
RPU_PWM_VCC
PWM pin pull up resistor
Standby entry time
Standby Mode
TSTBY
FG
PWM = 0 V
500
IOL_FG
FG sink current
VFG = 0.3 V
VFG = 5 V
5
mA
ISC_FG
FG short circuit current
13
25
mA
FGS and FR
VIH_FGS
VIL_FGS
VIH_FR
Input high threshold
Input low threshold
Input high threshold
Input low threshold
2.3
2.3
V
V
0.8
0.8
V
VIL_FR
V
Active Mode
50
2
kΩ
MΩ
kΩ
RPU_FGS_VCC
FGS pin pull up resistor
Standby Mode
RPU_FR_VCC
FR pin pull up resistor
500
LOCK PROTECTION
TON_LOCK
TOFF_LOCK
CURRENT LIMIT
ILIM
Lock detect time
0.3
5
s
s
Lock release time
Current limit value
500
1.8
mA
A
SHORT CIRCUIT CURRENT PROTECTION
ISHT Short circuit current protection
THERMAL SHUTDOWN
TSD
Thermal shutdown temperature
Thermal shutdown hysteresis
160
10
°C
°C
TSD_HYS
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FUNCTIONAL DESCRIPTION
The DRV10963 is a three phase sensor-less motor driver with integrated power MOSFETs. It is specifically
designed for high efficiency, low noise and low external component count motor drive applications. The
proprietary sensor-less window-less 180° sinusoidal control scheme satisfies the ultra-quiet motor operation
requirement.
Upon startup, the DRV10963 will spin the motor in the direction indicated by the FR input pin. The speed is
determined by the duty cycle of the PWM pin. Using this input, the DRV10963 will operate a three phase BLDC
motor using a sinusoidal control scheme. As the motor spins, the DRV10963 provides the speed information at
the FG pin.
The DRV10963 contains an intelligent lock detect function. Once the motor is stalled by external force, system
will be able to detect the lock condition within, TON_LOCK, and then release the output. It will attempt to restart the
motor after TOFF_LOCK
.
The DRV10963 also contains several internal protection circuits, such as over current protection, over voltage
protection, under voltage protection, and over temperature protection.
SPEED INPUT AND STANDBY MODE
The duty cycle of the PWM input is captured and converted into the corresponding duty cycle at the phase
outputs. The phase outputs are driven by an internally generated frequency of approximately 25 kHz. This
frequency is selected to reduce noise in the audible range and reduce the energy loss by the PWM switching.
In order to achieve reliable spin up and prevent a spike in the PWM signal, the transfer function is adjusted in the
DRV10963. The output duty cycle will be proportional to input duty cycle after the input reaches 10% duty cycle.
When the input is below a 10% duty cycle and above a 1.5% duty cycle, the output will be controlled at a 10%
duty cycle. When the input duty cycle is lower than 1.5%, the DRV10963 will not drive the output, but will be in
the active mode.
Figure 1. Duty Cycle Transfer Function
When the PWM input is driven low for at least TSTBY time, the DRV10963 will enter a low current standby
mode. In standby mode, the phase outputs will no longer be driven and circuitry within the device will be disabled
to minimize the system current in this state.
The device will remain in standby mode until either the PWM input is driven to a logic high (or a duty cycle of
greater than 0% is applied) or the PWM input is allow to float. If the input is allowed to float an internal pull-up
resistor will raise the voltage to a logic high level.
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MOTOR DIRECTION CHANGE
FR (Forward Reverse) pin is used to change the direction of motor rotation as shown in Table 1.
Table 1. Motor Direction Phase Sequencing
FR = 1
FR = 0
Motor direction
U→V→W
U→W→V
MOTOR STATUS INDICATOR (SPEED)
During operation of the DRV10963, the FG status pin indicates the speed of the motor. Using Table 2, the status
of the motor can be determined.
Table 2. Motor Status Speed Indicator Configuration
Motor Condition
FG (FGS = 1)
FG (FGS = 0)
DRV10963DSNR Normal operation
Locked Rotor
Toggles once per electrical cycle
Remains at high level
Toggles once every 2 electrical cycles
Remains at high level
The FG pin is used to indicate the speed of the motor, and can be configured by use of the FGS pin to toggle
either once per electrical cycle or twice per electrical cycle as described in the preceding figure. Using this
information and the number of pole pairs are in the motor, the mechanical speed of the motor can be determined.
The formula to determine the speed of the motor is:
If FGS = 1, RPM = (FREQFG × 60)/ number of pole pairs
If FGS = 0, RPM = (FREQFG × 120)/ number of pole pairs
The FG pin has built in short circuit protection, which limits the current in the event the pin is shorted to VCC. The
current will be limited to ISC_FG
.
SPIN UP SETTINGS
DRV10963 starts the motor using a procedure which is illustrated in Figure 2.
The motor start profile includes open loop to close loop transition threshold, align time and accelerate rate as
described in Table 3.
Table 3. Motor Status Speed Indicator Configuration
ALIGN TIME (talign
)
ACCELERATION RATE (Racc
(Hz/S)
)
THRESHOLD (Hoffth
(Hz)
)
(ms)
DRV10963DSNR
350
80
100
In order to align the rotor to the motor acceleration profile the DRV10963 applies a 50% duty cycle on phases V
and W while holding phase U at GND. This condition is maintained for talign seconds. When the align phase
completes the motor is accelerated by stepping through the commutation sequence at an increasing rate
described by Racc until the rate of commutation reaches Hoffth Hz. When this threshold is reached the
commutation drive sequence is determined by the internal control algorithm and the applied voltage is
determined by the PWM input duty cycle.
The graphical illustration of the spin up procedure is shown in Figure 2:
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Figure 2. Motor Start Procedure
LOCK DETECTION
If the motor is stalled during running, the lock detection algorithm will be triggered after TON_LOCK. The DRV10963
will immediately stop driving the motor for TOFF_LOCK. The DRV10963 will then attempt to drive the motor again.
If the motor is stalled from a stationary condition, the lock detection algorithm will be triggered after the system
goes into close loop as illustrated in the Motor Start Procedure figure. After the part transitions into closed loop
the lock condition will be detected and the DRV10963 will immediately stop driving the motor for TOFF_LOCK. The
DRV10963 will then attempt to drive the motor again. If the lock condition still exists, the DRV10963 will re-enter
the next lock protection cycle until the lock condition is removed.
CURRENT LIMIT
The DRV10963 provides an internal current limit function. The output voltage (duty cycle) is limited such that the
motor phase current does not exceed ILIM. When the current limit function is active the duty cycle output will not
be controlled by the PWM input duty cycle.
SHORT CIRCUIT CURRENT PROTECTION
The DRV10963 contains internal short circuit current protection circuitry. It is triggered when motor phase current
exceeds ISHT. The circuit will temporarily disable the output voltage. When the motor phase current drops below
ISHT, the DRV10963 will attempt to restart the motor.
ANTI VOLTAGE SURGE (AVS)
The DRV10963 includes circuitry to prevent the motor from transferring energy back into the power supply. This
can typically happen when the PWM input duty cycle suddenly decreases or the motor is suddenly shut down
due to lock protection or thermal protection.
OVER TEMPERATURE PROTECTION
The DRV10963 contains a thermal shut down function which disables motor operation upon detecting the device
junction temperature has exceeded TSD. After the junction temperature has lowered approximately TSD_HYS°,
motor operation will resume.
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UNDER VOLTAGE PROTECTION
The DRV10963 contains an under voltage lockout feature, which prevents motor operation below a specified
voltage. Upon power up, the DRV10963 will operate once VCC rises above VUVLO_H. The DRV10963 will continue
to operate until VCC falls below VUVLO_L
.
Table 4. Recommended Component Values
PIN
VCC
FG
TO
FUNCTION
VALUE
2.2 µF, 10 V, X5R
100 kΩ
GND
Decoupling Capacitor
Voltage ≤ VCC
Pull up resistor for Open Drain output
PCB Thermal Layout Considerations
The package uses an exposed pad to remove heat from the device. For proper operation, this pad must be
thermally connected to copper on the PCB to dissipate heat. On a multi-layer PCB with a ground plane, this can
be accomplished by adding a number of vias to connect the thermal pad to the ground plane. On PCBs without
internal planes, copper area can be added on either side of the PCB to dissipate heat. If the copper area is on
the opposite side of the PCB from the device, thermal vias are used to transfer the heat between top and bottom
layers.
For details about how to design the PCB, refer to TI application report SLMA002, " PowerPAD™ Thermally
Enhanced Package" and TI application brief SLMA004, " PowerPAD™ Made Easy", available at www.ti.com. In
general, the more copper area that can be provided, the more power can be dissipated.
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PACKAGE OPTION ADDENDUM
www.ti.com
11-Apr-2013
PACKAGING INFORMATION
Orderable Device
Status Package Type Package Pins Package
Eco Plan Lead/Ball Finish
MSL Peak Temp
Op Temp (°C)
Top-Side Markings
Samples
Drawing
Qty
(1)
(2)
(3)
(4)
DRV10963DSNR
ACTIVE
SON
DSN
10
3000
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
-40 to 85
10963B
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability
information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight
in homogeneous material)
(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
(4)
Multiple Top-Side Markings will be inside parentheses. Only one Top-Side Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a
continuation of the previous line and the two combined represent the entire Top-Side Marking for that device.
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provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
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TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
Addendum-Page 1
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DRV10963 相关器件
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| DRV10963PDSNR | TI | DRV10963 5-V, Three-Phase, Sensorless BLDC Motor Driver | 获取价格 |
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