DocID029806 Rev 2

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STSPIN32F0

Device description

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Device description

The STSPIN32F0 is a System-In-Package providing an integrated solution suitable for

driving the three-phase BLDC motor with Hall-effect sensors. The device will be developed

in the BCD8s (0.18 µm) technology.

6.1

UVLO and thermal protections

Table 9 summarizes the UVLO and OT protection management.

Figure 5. Gate drivers' outputs characteristics in UVLO conditions

Table 9. UVLO and OT protection management

Block

DC/DC regulator

-

-

-

-

-

OFF

Linear regulator

OFF

OFF

-

-

OFF

-

Op amps and OC comp

OFF

OFF

-

-

-

-

HSU, HSV, HSW output

LOW

LOW

--

LSU, LSV, LSW output

LOW

LOW

LOW(1)

--

-

1. The N-channel of the gate driver is turned ON with all the available supply voltage, refer to Figure 5.

2. Only the high-side gate driver in which the UVLO condition is detected (e.g. UVLO on VBOOTU causes the HSU turning

off).