POWERSTEP01 datasheet(18/92 Pages) STMICROELECTRONICS

18 / 92 page

Pin list

powerSTEP01

18/92

DocID025022 Rev 5

Pin list

Table 5. Pin description

No.

Name

Type

Function

1, 2, 3, 4, 5, 6, 23, 24,

25, 26, 27, 28, 29, 30,

31, 32, 43, 44, 45, 46,

47, 48, 49, 50, 51, 52,

66, 67, 68, 69, 70, 71,

72, 73, 74, 75, 86, 87,

88, 89, EPAD1,

EPAD2, EPAD5,

EPAD6

Supply

Motor supply voltage (drain of the high-side MOSFETs)

38, 42, 53, EPAD4

OUTA1

Power output

Half-bridge A1 output

22, 33, 37, EPAD3

OUTA2

Power output

Half-bridge A2 output

65, 76, 80, EPAD7

OUTB1

Power output

Half-bridge B1 output

7, 81, 85, EPAD8

OUTB2

Power output

Half-bridge B2 output

8, 21, 59, EPAD9

GND

Ground

34, 35, 36, 39, 40, 41,

EPAD10, EPAD11

SENSEA_P

Sense

(power)

Tail of full bridge A (source of the respective low-side

MOSFETs)

SENSEA_S

Analog input

Current control comparator input

77, 78, 79, 82, 83, 84,

EPAD12, EPAD13

SENSEB_P

Sense

(power)

Tail of full bridge B (source of the respective low-side

MOSFETs)

SENSEB_S

Analog input

Current control comparator input

VCCREG

Power supply

Internal VREG voltage regulator supply voltage

VREG

Power supply

Logic supply voltage

VDDIO

Power supply

Logic interface supply voltage

VSREG

Power supply

Internal VCC voltage regulator supply voltage

VCC

Power supply

Gate driver supply voltage

OSCIN

Analog input

Oscillator pin 1. To connect an external oscillator or clock

source.

OSCOUT

Analog output

Oscillator pin 2. To connect an external oscillator. When

the internal oscillator is used this pin can supply a 2/4/8/16

MHz clock.

Output

Charge pump oscillator output

VBOOT

Power supply

Bootstrap voltage needed for driving the high-side power

DMOS of both bridges (A and B).

ADCIN

Analog input

Internal analog to digital converter input

Power supply

Motor supply voltage

Logical input

External switch input pin

SDO

Logic output

Data output pin for serial interface

POWERSTEP01 Datasheet(PDF) 18 Page - STMicroelectronics

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