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MCP19116 数据表(PDF) 21 Page - Microchip Technology |
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MCP19116 数据表(HTML) 21 Page - Microchip Technology |
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21 / 246 page  2015-2016 Microchip Technology Inc. DS20005479B-page 21 MCP19116/7 3.12 Temperature Management 3.12.1 THERMAL SHUTDOWN To protect the MCP19116/7 from overtemperature conditions, a 150°C junction temperature thermal shutdown has been implemented. When the junction temperature reaches this limit, the device disables the output drivers. In Shutdown mode, both PDRV and SDRV outputs are disabled and the overtemperature flag (OTIF) is set in the PIR2 register. When the junction temperature is reduced by 20°C to 130°C, the MCP19116/7 can resume normal output drive switching. 3.12.2 TEMPERATURE REPORTING The MCP19116/7 devices have a second on-chip temperature monitoring circuit that can be read by the ADC through the analog test MUX. Refer to Section 21.0 “Internal Temperature Indicator Module” for details on this internal temperature monitoring circuit. |
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