STSPIN32F0 Datasheet, PDF (19/40 Pages) STMicroelectronics – Three-phase gate drivers

STSPIN32F0
6
Device description
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.
Table 9. UVLO and OT protection management
Block
V_M UVLO V_DD UVLO V_REG12 UVLO V_BOOT UVLO Lin. Reg OT DC/DC Reg OT
DC/DC regulator
-
-
-
-
-
OFF
Linear regulator
OFF
OFF
-
-
OFF
-
Op amps and OC comp OFF
OFF
-
-
-
-
HSU, HSV, HSW output LOW
LOW
LOW⁽¹⁾
LOW⁽¹⁾, ⁽²⁾
-
-
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).
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Figure 5. Gate drivers' outputs characteristics in UVLO conditions

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DocID029806 Rev 2
19/40
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