Analog Integrated Circuit Device Data

4

Freescale Semiconductor

17529

PIN CONNECTIONS

PIN CONNECTIONS

Figure 3. 17529 Pin Connections

on

Table 2. Pin Function Description

Pin

PinName

Formal Name

Definition

1

VDD

Control Circuit Power Supply

Positive power source connection for control circuit.

2

IN1A

Logic Input Control 1A

Logic input control of OUT1A (refer to Table 6, Truth Table, page 8).

3

IN1B

Logic Input Control 1B

Logic input control of OUT1B (refer to Table 6, Truth Table, page 8).

4

OE

Output Enable

Logic output Enable control of H-Bridges (Low = True).

5

OUT2A

H-Bridge Output 2A

Output A of H-Bridge channel 2.

6

PGND1

Power Ground 1

High-current power ground 1.

7

OUT1A

H-Bridge Output 1A

Output A of H-Bridge channel 1.

8

VM1

Motor Drive Power Supply 1

Positive power source connection for H-Bridge 1 (Motor Drive Power Supply).

9

CRES

Pre-driver Power Supply

Internal triple charge pump output as pre-driver power supply.

10

C2H

Charge Pump 2H

Charge pump bucket capacitor 2 (positive pole).

11

C1H

Charge Pump 1H

Charge pump bucket capacitor 1 (positive pole).

12

C1L

Charge Pump 1L

Charge pump bucket capacitor 1 (negative pole).

13

C2L

Charge Pump 2L

Charge pump bucket capacitor 2 (negative pole).

14

OUT1B

H-Bridge Output 1B

Output B of H-Bridge channel 1.

15

PGND2

Power Ground 2

High-current power ground 2.

16

OUT2B

H-Bridge Output 2B

Output B of H-Bridge channel 2.

17

VM2

Motor Drive Power Supply 2

Positive power source connection for H-Bridge 2 (Motor Drive Power Supply).

18

IN2B

Logic Input Control 2B

Logic input control of OUT2B (refer to Table 6, Truth Table, page 8).

19

IN2A

Logic Input Control 2A

Logic input control of OUT2A (refer to Table 6, Truth Table, page 8).

20

LGND

Logic Ground

Low-current logic signal ground.

-

-

-

Exposed pad on 20-Pin TSSOP

Transparent

top view

VDD

IN1A

IN1B

OE

OUT2A

PGND1

OUT1A

VM1

CRES

C2H

LGND

IN2A

IN2B

PGND2

OUT1B

C2L

C1L

CIH

VM2

OUT2B

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11