DRV8432_15 datasheet(9/42 Pages) TI

Part #	DRV8432

Description	DRV84x2 Dual Full-Bridge PWM Motor Driver

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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0

100

10

20

30

40

50

60

70

80

90

Input Duty Cycle (%)

90

60

100

0

70

40

20

10

30

50

80

1.6

0.4

0.6

0.8

1.0

T – Junction Temperature – C

J

o

80

40

120

–40

60

20

–20

0

100

1.2

1.4

140

–1

5

0

1

2

3

Voltage (V)

1.2

0.8

0

1

0.6

0.2

0.4

4

6

0

100

40

50

60

70

80

90

Switching Frequency (kHz)

0

100 150 200 250 300 350 400 450 500

50

10

20

30

1.10

0.96

1.00

0.98

1.02

1.04

Gate Drive (V)

11.0

10.0

8.0

10.5

9.5

8.5

9.0

11.5

1.06

1.08

12

DRV8412, DRV8432

www.ti.com

SLES242G – DECEMBER 2009 – REVISED DECEMBER 2014

6.8 Typical Characteristics

Full Bridge Load = 5 A

PVDD = 50 V

Tc = 75°C

TJ = 25°C

Figure 1. Efficiency vs Switching Frequency (DRV8432)

Figure 2. Normalized RDS(On) vs Gate Drive

TJ = 25°C

GVDD = 12 V

Figure 4. Drain To Source Diode Forward On Characteristics

Figure 3. Normalized Rds(On) vs Junction Temperature

fs = 500 kHz

TC = 25°C

Figure 5. Output Duty Cycle vs Input Duty Cycle

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DRV8432 Datasheet(PDF) 9 Page - Texas Instruments

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