DRV8316 datasheet(20/97 Pages) TI

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Table 8-2. PWM Control Modes

MODE Type

MODE Pin

(Hardware

Variant)

PWM_MODE Bits

(SPI Variant)

MODE

Mode 1

Connected to

AGND

PWM_MODE =

00b

6x Mode

Mode 2

Hi-Z

PWM_MODE =

01b

6x Mode with Current Limit

Mode 3

Connected to

AVDD with RMODE

PWM_MODE =

10b

3x Mode

Mode 4

Connected to

AVDD

PWM_MODE = 11b

3x Mode with Current Limit

Note

Texas Instruments does not recommend changing the MODE pin or PWM_MODE register during

operation of the power MOSFETs. Set all INHx and INLx pins to logic low before changing the MODE

pin or PWM_MODE register.

8.3.2.1 6x PWM Mode (MODE = 00b or MODE Pin Tied to AGND)

In 6x PWM mode, each half-bridge supports three output states: low, high, or high-impedance (Hi-Z). The

corresponding INHx and INLx signals control the output state as listed in Table 8-3.

Table 8-3. 6x PWM Mode Truth Table

INLx

INHx

PHASEx

Hi-Z

Figure 8-3 shows the application diagram of DRV8316-Q1 configured in 6x PWM mode.

DRV8316-Q1

SLVSGK9 – JANUARY 2022

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