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DRV8308 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
DRV8308 Brushless DC Motor Controller TI
Texas Instruments TI
DRV8308 Datasheet PDF : 59 Pages
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DRV8308
SLVSCF7B – FEBRUARY 2014 – REVISED NOVEMBER 2017
www.ti.com
6 Specifications
6.1 Absolute Maximum Ratings
over operating free-air temperature (unless otherwise noted) (1) (2) (3)
Power supply voltage (VM)
Charge pump and high side gate drivers (VCP, UHSG, VHSG, WHSG)
Output pin, low side gate drivers, charge pump flying cap and switched VM power
supply voltage (U, V, W, ULSG, VLSG, WLSG, CP1, CP2 VSW)
Internal core voltage regulator (VINT)
Linear voltage regulator output (VREG)
Sense current pin (ISEN)
Digital pin voltage range (SCLK, SCS, SMODE, SDATAI, SDATAO, FGOUT, FAULTn,
LOCKn, CLKIN, BRAKE, DIR, ENABLE, RESET)
Hall sensor input pin voltage (UHP, UHN, VHP, VHN, WHP, WHN, FGFB,
FGINN/TACH, FGINP)
Continuous total power dissipation
Operating junction temperature range, TJ
MIN
MAX
–0.3
42
–0.3
50
–0.6
40
–0.3
2
–0.3
5.5
–0.3
2
–0.5
5.75
0
VREG
See Thermal Information
–40
150
UNIT
V
V
V
V
V
V
V
V
°C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended
Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values are with respect to network ground pin.
(3) Power dissipation and thermal limits must be observed
6.2 Handling Ratings
Tstg
V(ESD)
Storage temperature range
Electrostatic discharge
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all
pins (1)
Charged device model (CDM), per JEDEC specification
JESD22-C101, all pins(2)
MIN
–60
-4000
-1500
MAX
150
4000
1500
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
UNIT
°C
V
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
VM
VMDIS
IVREG
IVSW
fHALL
fCLKIN
Motor power supply voltage range, ENABLE = 1, motor operating(1)
Motor power supply voltage range, ENABLE = 0, motor not operating
VREG output current(2)
VSW output current(2)
Hall sensor input frequency(3)
SPDMODE = 00 (Clock Frequency Mode)
Frequency on CLKIN
SPDMODE = 01 (Clock PWM Mode)
(1) Note that at VM < 12 V, gate drive output voltage tracks VM voltage
(2) Power dissipation and thermal limits must be observed
(3) fHALL of 50 Hz to 6.7 kHz is best
(4) Operational with frequencies above 50 kHz, but resolution is degraded
MIN
NOM
MAX UNIT
8.5
32
V
4.5
35
0
30
mA
0
30
0
30
0
90 kHz
16
50 (4)
6
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