8
8
8
4
1rem
1rem
1rem
1rem
rt-dark-800
headline-3
false
true
basicInfoTitle
12
12
12
12
left
buttonParametricSearch
text-with-icon
i18n(button-item.parametric-search.button-label)
i18n(button-item.parametric-search.button-link)
_self
true
buttonDatasheet
text-with-icon
secondary
i18n(button-item.datasheet.button-label)
i18n(button-item.datasheet.button-link)
_self
true
buttonContactUs
text-with-icon
secondary
i18n(button-item.contact-us.button-label)
i18n(button-item.contact-us.button-link)
_self
true
36
24
24
12
rt-dark-800
basicInfoSubtitle
basicInfoImageSwitcher
The RT8848C is a 8/7/6/5/4/3/2/1 multi-phase synchronous Buck controller which is optimized for high-performance graphic microprocessor and supports nVidia OVR4i+ spec with PWM-VID interface. The RT8848C adopts AC G-NAVP<sup>TM</sup> (Green Native AVP), which is Richtek's proprietary topology derived from finite DC gain of internal GM amplifier with current mode control. By utilizing the AC G-NAVP<sup>TM</sup> topology, the operating frequency of the RT8848C varies with VID, load and input voltage to further enhance the efficiency even in CCM. Besides, for current sensing application, the RT8848C can support either a traditional DCR network current sensing from inductor or a smart power stage (SPS) which can directly provide a current monitor signal (IMON).<br /><br />The RT8848C features external reference input and PWM-VID dynamic output voltage control, in which the output voltage is regulated and tracks external input reference voltage. The RT8848C can set internal RAMP amplitude through PINSETx pin and this can optimize stability and load transient performance. The RT8848C also provides complete fault protection functions including overvoltage protection (OVP), undervoltage protection (UVP), channel overcurrent limit (CH_OC), sum output current protection (SOC) and over-temperature protection (OTP). The recommended junction temperature is -40°C to 125°C.
RT8848C Typical Circuit
anchor
productDetailSection
i18n(anchor-tab.product-detail-section.title)
productDetailSectionAnchorTab
orderingInformationSection
i18n(anchor-tab.ordering-information-section.title)
orderingInformationSectionAnchorTab
technicalDocumentationSection
i18n(anchor-tab.technical-documentation-section.title)
technicalDocumentationSectionAnchorTab
designToolSection
i18n(anchor-tab.design-tool-section.title)
designToolSectionAnchorTab
applicationSection
i18n(anchor-tab.application-section.title)
applicationSectionAnchorTab
supportSection
i18n(anchor-tab.support-section.title)
supportSectionAnchorTab
24
24
24
24
i18n(tabs.product-detail.title)
productDetailTabs
i18n(tab-item.parameter-section.title)
parameterSection
parameterSectionTab
i18n(tab-item.package-size-pin-size-section.title)
packageSizePinsSizeSection
packageSizePinsSizeSectionTab
i18n(tab-item.product-feature-section.title)
productFeatureSection
productFeatureSectionTab
24
24
24
24
buttonSeeProductDifferences
text-with-icon
right
secondary-m
tertiary
i18n(button-item.see-product-differences.button-label)
i18n(button-item.see-product-differences.button-link)
_self
false
buttonFindOtherCategory
text-with-icon
right
secondary-m
tertiary
i18n(button-item.find-other-category.button-label)
i18n(button-item.find-other-category.button-link)
_self
false
32
32
32
32
scrollable-table
parameterTable
normal-table
table-group
package-size-pins-size
packageSizePinsSizeTable
productFeature
<div class="spec-list"><ul class="lv1"><li>Multi-Phase PWM Controller </li><li>PWM-VID Dynamic Voltage Control </li><li>Support 1.8V PWM-VID Interface </li><li>Power State Indicator <ul class="lv2"> <li></li><li>LPC (Low Phase Count), PSI = Low </li><li>APS (Auto Phase Shedding), PSI = Mid </li><li>HPC (High Phase Count), PSI = High </li></ul> </li><li>External Reference Input Control </li><li>8/7/6/5/4/3/2/1 Phase Hardware Setting </li><li>Adjustable Soft-Start Time </li><li>Adjustable Switching Frequency </li><li>Adjustable Phase Current Balance </li><li>Support Standby Mode </li><li>UVP/OVP/OTP/SOC/CH_OC/TSEN Protection </li><li>Adjustable Protection Thresholds </li><li>Power Good Indicator </li><li>ADC Reporting for IMON, TSEN and VSEN </li><li>Support I<sup>2</sup>C Interface for Programming </li><li>RoHS Compliant and Halogen Free </li></ul></div>
24
24
24
24
i18n(tabs.ordering-information.title)
orderingInformationTabs
i18n(tab-item.product-section.title)
productSection
productSectionTab
i18n(tab-item.evb-section.title)
evbSection
evbSectionTab
i18n(tab-item.ordering-detail-section.title)
orderingDetailSection
orderingDetailSectionTab
24
24
24
24
productImageSwitcher
RT8848C Ordering Information
normal-table
card-list
products
productTable
evbImageSwitcher
normal-table
card-list
evb
evbTable
orderingDetail
technical-documents
RT8848C
technicalDocumentMultipleTable
design-tools
RT8848C
designToolMultipleTable
32
56
56
56
rt-blue-800
i18n(text.application-title.text-content)
applicationTitle
withLine
24
24
24
24
<div class="spec-list"><ul class="lv1"><li>GPU Core Power for OVR4i+ Spec </li></ul></div>
applicationContent
35
35
35
35
keywordList
56
56
56
56
rt-blue-800
i18n(text.support-card-title.text-content)
supportCardTitle
withLine
40
40
40
24
supportCards
i18n(support-card-item.technical-support.title)
i18n(support-card-item.technical-support.description)
i18n(support-card-item.technical-support.learn-more-text)
i18n(support-card-item.technical-support.url)
technicalSupportCard
i18n(support-card-item.ordering.title)
i18n(support-card-item.ordering.description)
i18n(support-card-item.ordering.learn-more-text)
i18n(support-card-item.ordering.url)
orderingSupportCard
i18n(support-card-item.sales.title)
i18n(support-card-item.sales.description)
i18n(support-card-item.sales.learn-more-text)
i18n(support-card-item.sales.url)
salesSupportCard
56
56
56
32