STM48-MAIN

STM48-SATELLITE

Rev. 1.0 – 21/02/2018

www.powerstamp.org

Page 14 of 30

belfuse.com/power-solutions

Pad #

Pad name

Pad Function

Pad #

Pad name

Pad Function

G2

PWM1X

PWM signal for Satellite 1

G5

GND

Secondary side ground

H2

PWM2X

PWM signal for Satellite 2

H5

GND

Secondary side ground

J2

PWM3X

PWM signal for Satellite 3

J5

GND

Secondary side ground

K2

PWM4X

PWM signal for Satellite 4

K5

GND

Secondary side ground

L2

PWM5X

PWM signal for Satellite 5

L5

VR_RDY

Voltage regulator ready signal

M2

N/A

No Pad present

M5

VREG

Optional regulator input

N2

N/A

No Pad present

N5

START2

Start for Satellite 3

P2

N/A

No Pad present

P5

GND

Secondary side ground

R2

N/A

No Pad present

R5

GND

Secondary side ground

A3

N/C (-In)

Pad present, N/C, Thermal via

A6

N/C (-Vin)

Pad present, N/C, Thermal via

B3

N/C (-In)

Pad present, N/C, Thermal via

B6

N/C (-Vin)

Pad present, N/C, Thermal via

C3

N/A

No Pad present

C6

N/A

No Pad present

D3

TMP5

Temperature sense Satellite 5

D6

TMP4

Temperature sense Satellite 4

E3

CSP5

Current sense +v Satellite 5

E6

CSP4

Current sense +v Satellite 4

F3

CSN5

Current sense -v Satellite 5

F6

CSN4

Current sense -v Satellite 4

G3

GND

Secondary side ground

G6

GND

Secondary side ground

H3

GND

Secondary side ground

H6

GND

Secondary side ground

J3

GND

Secondary side ground

J6

GND

Secondary side ground

K3

GND

Secondary side ground

K6

GND

Secondary side ground

L3

PWM6X

PWM signal for Satellite 6

L6

EN

Enable signal

M3

PWM6Y

PWM signal for Satellite 6

M6

VCTRL

Controller supply voltage

N3

START5

Start for Satellite 5

N6

START4

Start for Satellite 4

P3

GND

Secondary side ground

P6

GND

Secondary side ground

R3

GND

Secondary side ground

R6

GND

Secondary side ground

A7

N/A

No Pad present

A8

N/A

No Pad present

B7

N/A

No Pad present

B8

N/A

No Pad present

C7

N/A

No Pad present

C8

N/A

No Pad present

D7

TMP6

Temperature sense Satellite 6

D8

TMN

Temperature sense -v common

for TMN of all Satellites.

E7

CSP6

Current sense +v Satellite 6

E8

+S

Remote sense +v

F7

CSN6

Current sense -v Satellite 6

F8

-S

Remote sense -v

G7

SALERT

PMBus Alert

G8

SADDR

PMBus address setting

H7

SDA

PMBus data

H8

SCL

PMBus clock

J7

SVDAT /

AVSMDAT

SVID data / AVS MData

J8

SVCLK /

AVSCLK

SVID clock / AVS clock

K7

VR_HOT#

SVI VR hot

K8

SVALRT /

AVSSDAT

SVID alert / AVS SData

L7

VCCIO_OK

VCC fault shutdown – immediate

unit shutdown

L8

PAD_ALERT#

SVI Pad Alert #

M7

N/A

No Pad present

M8

N/A

No Pad present

N7

N/A

No Pad present

N8

N/A

No Pad present

P7

N/A

No Pad present

P8

N/A

No Pad present

R7

N/A

No Pad present

R8

N/A

No Pad present

For the description of large pads numbered from 1A1 to 2D5, please refer to the table in: Pin Description – SATELLITE