STPM098C datasheet(6/110 Pages) STMICROELECTRONICS

6 / 110 page

Name

Description

Type Class

ISEN8/ISEN1_L2

Phase 8 current sense input. Keep floating if not used

Local

Loop 2 phase 1 current sense input. Keep floating if not used

VRTN2

Voltage sense return input for loop 2. Connect to GND if not used

Local

VSEN2

Voltage sense input for loop 2. Connect to GND if not used

Local

SM_ADDR

PMBus™ device target address

Local

Not connected

TSEN1

Temperature sense input for loop 1. Connect to GND if not used

Local

TSEN2

Temperature sense input for loop 2. Connect to GND if not used

Local

Not connected

POWERIN_N

Input power sense negative input. Tied to POWERIN_P if not used(1)

Local

POWERIN_P

Input power sense positive input. GND if not used(1)

Local

GND

Signal ground (digital, analog, reference)

Local

CFILT/VREF1

1.8 V reference output voltage. Phase current sense bias

I/O

Local

Not connected

VCC

Power supply input for internal circuitry

Local

CFILT/VREF2

3.3 V reference output voltage. PWM buffers bias

I/O

Local

Exp. PAD

Cooling slug to be connected to GND plane

1. Pin configuration where POWERIN_P pin is used along with POWERIN_N unused at the same time is allowed. Pin

configuration where POWERIN_P is unused along with POWERIN_N used is forbidden.

Note:

I = Input, O = Output, P = Power supply, G = Ground, I/O = Input/Output.

STPM098C

Block diagram and pins description

DS14440 - Rev 1

page 6/110

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