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DRV11873 Datasheet(PDF) 6 Page - Texas Instruments

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Part # DRV11873
Description  12-V, 3-PHASE, SENSORLESS BLDC MOTOR DRIVER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DRV11873 Datasheet(HTML) 6 Page - Texas Instruments

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DRV11873
SLWS237 – NOVEMBER 2012
www.ti.com
RD
over recommended operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IRD-SINK
RD pin sink current
VRD = 0.3 V
5
mA
IRD-short
RD pin short current limit
VRD = 12 V
20
25
mA
FR and FS
over recommended operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VFR-IH
High-level input voltage
VCC ≥ 4.5 V
2.3
V
VFR-IL
Low-level input voltage
VCC ≥ 4.5 V
0.8
V
VFS-th
FS set threshold voltage
VCC ≥ 4.5 V
2.3
0.8
V
V5
over recommended operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V5
5V LDO voltage
VCC = 12 V
4.75
5
5.25
V
IV5
5V LDO load current
VCC = 12 V
20
mA
Lock Protection
over recommended operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
FS = 0
0.875
1.25
1.625
TLOCK-ON
Lock detect time
s
FS = 1
0.437
0.625
0.812
FS = 0
4.375
6.25
8.125
TLOCK-OFF
Lock release time
s
FS = 1
2.187
3.125
4.06
Current Limit
over recommended operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Current limit
CS pin to GND resistor = 3.3 k
Ω
1.7
2
2.3
A
Thermal Shutdown
over recommended operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
Shut down temperature
160
TSDN
Shut down temperature threshold
°C
Hysteresis
10
6
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Copyright © 2012, Texas Instruments Incorporated


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