DRV8301_14 Datasheet, PDF (8/28 Pages) Texas Instruments – Three Phase Pre-Driver with Dual Current Shunt Amplifiers and Buck Regulator

DRV8301
SLOS719B – AUGUST 2011 – REVISED AUGUST 2013
ELECTRICAL CHARACTERISTICS (continued)
PVDD = 6 V to 60 V, T_C = 25°C, unless specified under test condition
PARAMETER
TEST CONDITIONS
GATE DRIVE OUTPUT: GH_A, GH_B, GH_C, GL_A, GL_B, GL_C
V_{GX_NORM} Gate driver Vgs voltage
V_{GX_MIN} Gate driver Vgs voltage
I_oso1
I_osi1
I_oso2
I_osi2
I_oso3
I_osi3
R_{gate_off}
Maximum source current setting 1, peak
Maximum sink current setting 1, peak
Source current setting 2, peak
Sink current setting 2, peak
Source current setting 3, peak
Sink current setting 3, peak
Gate output impedence during standby mode
when EN_GATE low (pins GH_x, GL_x)
PVDD = 8V–60V, I_gate = 30mA,
C_CP = 22nF
PVDD = 8V–60V, I_gate = 30mA,
C_CP = 220nF
PVDD = 6V–8V, I_gate = 15mA,
C_CP = 22nF
PVDD = 6V–8V, I_gate = 30mA,
C_CP = 220nF
Vgs of FET equals to 2 V. REG 0x02
Vgs of FET equals to 8 V. REG 0x02
Vgs of FET equals to 2 V. REG 0x02
Vgs of FET equals to 8 V. REG 0x02
Vgs of FET equals to 2 V. REG 0x02
Vgs of FET equals to 8 V. REG 0x02
SUPPLY CURRENTS
I_{PVDD1_STB} PVDD1 supply current, standby
I_{PVDD1_OP} PVDD1 supply current, operating
EN_GATE is low. PVDD1 = 8V.
EN_GATE is high, no load on gate drive
output, switching at 10 kHz,
100 nC gate charge
I_{PVDD1_HIZ} PVDD1 Supply current, HiZ
INTERNAL REGULATOR VOLTAGE
EN_GATE is high, gate not switching
A_VDD
AVDD voltage
PVDD = 8V - 60V
PVDD = 6V - 60V
D_VDD
DVDD voltage
VOLTAGE PROTECTION
V_{PVDD_UV} Under voltage protection limit, PVDD
PVDD falling
PVDD rising
V_{GVDD_UV} Under voltage protection limit, GVDD
V_{GVDD_OV} Over voltage protection limit, GVDD
CURRENT PROTECTION, (VDS SENSING)
GVDD falling
V_{DS_OC}
Drain-source voltage protection limit
PVDD = 8V - 60V
PVDD = 6V - 8V⁽¹⁾
T_oc
T_{OC_PULSE}
OC sensing response time
OCTW pin reporting pulse stretch length for OC
event
MIN
9.5
9.5
8.8
8.3
1.6
2
6
5.5
3
0.125
0.125
(1) Reduced A_VDD voltage range results in limitations on settings for over current protection. See Table 9.
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TYP MAX UNIT
11.5
V
11.5
V
1.7
A
2.3
A
0.7
A
1
A
0.25
A
0.5
A
2.4 kΩ
20
50 µA
15
mA
5
10 mA
6.5
7
V
6
3.3 3.6 V
5.9
V
6
8V
16
V
2.4
V
1.491
1.5
µs
64
µs
8
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