GD3160 datasheet(30/114 Pages) NXP

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NXP Semiconductors

GD3160

Advanced IGBT/SiC gate driver

10.2 State diagram

Figure 4 shows the power-up and power-down behavior and how the GD3160 transitions from state to state.

The Normal mode is the only state in which the PWM pin directly controls IGBT's gate.

The PWM pin need not be Logic 0 to enter the Configuration mode, although this is highly recommended. When

entering Normal mode from any state, the GD3160 immediately responds to the state of the PWM pin. A rising

edge of PWM is not needed to re-enable PWMing.

10.2.1 Main domain state diagram

aaa-040887

There are two target operating

states:

Gate ON or Gate OFF

Start up is to the Gate OFF state.

Diamonds are logic decisions

Labled arrows are signals which

drive changes in the operating

state;

Example:

Start in GATE OFF: PWM ON

signals a state change follow the

arrow and answer decisions to get

answer

PWM ON from GATE OFF to

FSENB

FSENB is NOT true, so follow

PWM ON to FAULT

FAULT is NOT true (no faults) so

follow PWM ON tp FSISO and

FSISOEN.

FSISOEN is true, but FSISO is

not, the decision is N.

Follow PWM ON to CONFIG_EN

CONFIG_EN is Not true, so PWM

ON turns the GATE ON.

CONFIGURATION

BIST

RESET

CONFIG_EN

N N

GATE

CONFIG_EN

FSISO

AND

FSISOEN

FAULT

GATE

OFF

FSENB

Figure 4. Main domain operating modes

GD3160

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Product data sheet

Rev. 13 — 6 May 2024

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