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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
6.5 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VM SUPPLY
IVM
VM active current
ENABLE = active,
VREG and VSW open
ISTBY
VRESET
VM standby current
VM logic reset voltage
ENABLE = inactive
VM falling
VM rising
VREG SUPPLY
VVREG
Output voltage
IVREG
Output current
VSW SUPPLY
IOUT = 1 to 30 mA
RDS(ON) VSW switch on-resistance
IVSW
Output current
INTERNAL CLOCK OSCILLATOR
IOUT = 1 to 30 mA
fCLK50
Internal CLK50 clock frequency
LOGIC-LEVEL INPUTS AND OUTPUTS
VIL
Low-level input voltage
VIH
High-level input voltage
IIL
Low-level input current
IIH
High-level input current
VIN = 3.3 V, RESET,
DIR, BRAKE, CLKIN,
SCS, SCLK, SDATAI,
SMODE
VHYS
RPD
Input hysteresis voltage
Input pulldown resistance
VIN = 3.3 V, ENABLE
RESET, DIR, BRAKE,
CLKIN, SCS, SCLK,
SDATAI, SMODE
ENABLE
OPEN DRAIN OUTPUTS
VOL
Low-level output voltage
IOH
Output leakage current
FG AMPLIFIER AND COMPARATOR
IOUT = 2.0 mA
VOUT = 3.3 V
VIO
IIB
VICM
AV
GBW
FG amplifier input offset voltage
FG amplifier input bias current
FG amplifier input common mode voltage range
FG amplifier open loop voltage gain
FG amplifier gain bandwidth product
VREF+
FG comparator positive reference voltage
VIT+
FG comparator positive threshold
VIT-
FG comparator negative threshold
HALL SENSOR INPUTS
VHYS
VHYS
VID
VCM
Hall amplifier hysteresis voltage
Hall amplifier hysteresis difference
Hall amplifier input differential
Hall amplifier input common mode voltage
range
Between U, V, W
IIN
tHDEG
Input leakage current
Hall deglitch time
H_x+ = H_x-
www.ti.com
MIN
TYP
12
5
4.75
5
9
50
1.5
–50
20
6
0.1
0.3
50
100
350
–7
–1
1.5
45
500
–20%
–20%
–20%
VVREG / 2
VVREG / 1.8
VVREG / 2
15
20
–5
50
1.5
–10
20
MAX UNIT
18 mA
120 µA
4.6
V
5.25 V
30 mA
20 Ω
30 mA
MHz
0.8 V
5.5 V
50 µA
100
µA
9
0.5 V
150
kΩ
550
0.5 V
1 µA
7 mV
1 μA
3.5 V
dB
kHz
20% V
20% V
20% V
25 mV
5 mV
mV
3.5 V
10 μA
μs
8
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