STSPIN32G4 datasheet(19/48 Pages) STMICROELECTRONICS

номер детали	STSPIN32G4

подробное описание детали	High performance 3-phase motor controller with embedded STM32G4 MCU

PDF	48 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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19 / 48 page

Figure 12. 3.3 V externally supplied (linear regulator disabled)

Buck

reg.

3.3 V

LDO

COUT

VDD

CDD

5.1.2.1

Thermal shutdown

If the temperature of the device exceeds the TSD threshold, all the gate driver outputs are forced low and the 3.3

V linear regulator stops until the temperature returns below the TSD - TSD(Hyst) level (auto-restart).

The buck converter has an independent thermal protection as described in Section 5.1.1.2 .

5.1.3

Standby linear regulator

When the device is in low consumption status, the embedded MCU can be supplied through a specifically

designed linear regulator generating a VREGStby supply starting from the main supply pin VM. The regulator is

designed to provide a maximum supply current of 6 mA with overcurrent protection. If the output current exceeds

the regulator limit a reset is triggered.

The regulator output is disabled by default and should be enabled before entering standby condition (see

Section 5.4 ) setting the STBY_REG_EN bit. When the device enters standby condition, the 3.3 V LDO regulator

is disabled and disconnected from the REG3V3 pin as shown in Figure 13.

Figure 13. Standby regulator enabled

Stby

reg.

3.3 V

LDO

CDD

5.2

Gate drivers

The STSPIN32G4 integrates a triple half-bridge gate driver able to drive N-channel power MOSFETs. The

high-side section is supplied by a bootstrapped voltage technique with integrated bootstrap diode.

STSPIN32G4

Gate drivers

DS13630 - Rev 1

page 19/48

STSPIN32G4 датащи(PDF) 19 Page - STMicroelectronics