S12 / MagniV MicrocontrollersのトピックRe: Power supply components optimization for S12ZVM https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Power-supply-components-optimization-for-S12ZVM/m-p/419853#M11262 <HTML><HEAD></HEAD><BODY><P>The Boost Converter is an option. So if customer would not use it, the external components are not necessary at all. The BST pin can be left floating, assuming the Boost option is disabled (by default bit GBOE = 0 in GDU Module Enable Register).</P></BODY></HTML> Mon, 20 Jul 2015 09:33:08 GMT iggi 2015-07-20T09:33:08Z Power supply components optimization for S12ZVM https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Power-supply-components-optimization-for-S12ZVM/m-p/419852#M11261 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>The customer does not require Boost section as the power supply is regulated and would never go below 10V. Can the L, C, D associated with boost be completely avoided. Does he need to take care of anything else.</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>Also for the charge pump, customer saturates the duty cycle at 90% which means he would never be working on 100% duty cycle. Is it safe to say that the combination of C &amp; D for charge pump section can be removed? Does he need to take care of these power pins of MCU in any special way.</P></BODY></HTML> Fri, 17 Jul 2015 10:54:15 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Power-supply-components-optimization-for-S12ZVM/m-p/419852#M11261 ankur_kala 2015-07-17T10:54:15Z Re: Power supply components optimization for S12ZVM https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Power-supply-components-optimization-for-S12ZVM/m-p/419853#M11262 <HTML><HEAD></HEAD><BODY><P>The Boost Converter is an option. So if customer would not use it, the external components are not necessary at all. The BST pin can be left floating, assuming the Boost option is disabled (by default bit GBOE = 0 in GDU Module Enable Register).</P></BODY></HTML> Mon, 20 Jul 2015 09:33:08 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Power-supply-components-optimization-for-S12ZVM/m-p/419853#M11262 iggi 2015-07-20T09:33:08Z Re: Power supply components optimization for S12ZVM https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Power-supply-components-optimization-for-S12ZVM/m-p/419854#M11263 <HTML><HEAD></HEAD><BODY><P>Any idea if the charge pump needs to be there even if the duty in software is saturated?</P></BODY></HTML> Fri, 24 Jul 2015 04:53:35 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Power-supply-components-optimization-for-S12ZVM/m-p/419854#M11263 ankur_kala 2015-07-24T04:53:35Z