DRV8332-HT Datasheet, PDF (9/26 Pages) Texas Instruments – THREE PHASE PWM MOTOR DRIVER

DRV8332-HT
www.ti.com
SLES274B – AUGUST 2013 – REVISED JANUARY 2014
TYPICAL CHARACTERISTICS
EFFICIENCY
vs
SWITCHING FREQUENCY (DRV8332)
100
90
80
1.10
1.08
NORMALIZED R_DS(on)
vs
GATE DRIVE
T_J = 25°C
70
1.06
60
1.04
50
1.02
40
30
Full Bridge
20 _{Load = 5 A}
PVDD = 50 V
10 _{TC = 75°C}
0
0 50 100 150 200 250 300 350 400 450 500
f – Switching Frequency – kHz
Figure 2.
1.00
0.98
0.96
8.0 8.5 9.0 9.5 10.0 10.5 11.0 11.5 12
GVDD – Gate Drive – V
Figure 3.
1.020
NORMALIZED R_DS(on)
vs
JUNCTION TEMPERATURE
GVDD = 12 V
1.015
DRAIN TO SOURCE DIODE FORWARD
ON CHARACTERISTICS
6
T_J = 25°C
5
1.010
4
1.005
3
1.000
2
0.995
1
0.990
0
0.985
±55 ±30 ±5 20 45 70 95 120 145 170
T_J ± Junction Temperature ± ƒC
C001
Figure 4.
–1
0
0.2
0.4
0.6
0.8
1
1.2
V – Voltage – V
Figure 5.
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