L9663 datasheet(12/104 Pages) STMICROELECTRONICS

12 / 104 page

Overall description

L9663

12/104

DocID028693 Rev 1

GND1

Ground return for PSI5 interface (analog

ground and substrate ground)

supply

local

PSI1

PSI5 Interface 1

I/O

global

VAS

PSI5 Interface pre-regulated voltage supply

supply

local

NC(2)

PSI2

PSI5 Interface 2

I/O

global

GND2

Ground return for PSI5 interface (analog

ground and substrate ground)

supply

local

BL2

Bootstrap capacitor pin 2, transceiver 2

I/O

local

BH2

Bootstrap capacitor pin 1 or SYNC voltage

supply (from ECU), transceiver 2

I/O

local

NC(1)

Input voltage supply

supply

global

VASSUP

VAS pre-regulator and charge pump voltage

supply

global

VGS

Gate driver for VAS pre-regulator

I/O

local

NC2

MOSI

SPI input

local

SCLK

SPI Clock

local

SPI Chip Select

local

RESETN

Reset

local

Test-mode pin(3)

local

NC(2)

VINTD

Internal digital supply voltage

supply

local

DGND

Digital ground

supply

local

VDD

Digital I/O supply

supply

local

MISO

SPI output

local

1. Not connected internally, must be left open.

2. Not connected internally, it can be left open or connected to GND externally.

3. It must be connected to GND, for safety reasons.

Table 3. TQFP32 pin-out (continued)

Name

Description

Pin type

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