Rockchip ya ƙaddamar da sabon guntu mai sauri na caji RK838, tare da ingantaccen yanayin wutar lantarki mai ɗorewa, ƙarancin amfani da wutar lantarki mai jiran aiki, kuma ya wuce takardar shaidar UCFS.

Gabatarwa

Guntun yarjejeniya muhimmin bangare ne na caji. Yana da alhakin sadarwa da na'urar da aka haɗa, wanda yayi daidai da gada da ke haɗa na'urar. Kwanciyar guntun yarjejeniya tana taka muhimmiyar rawa a cikin ƙwarewa da amincin caji cikin sauri.

Kwanan nan, Rockchip ya ƙaddamar da guntu na yarjejeniya RK838 tare da Cortex-M0 core da aka gina a ciki, wanda ke goyan bayan caji mai sauri na USB-A da USB-C dual-port, yana goyan bayan PD3.1, UCFS da sauran manyan hanyoyin caji mai sauri a kasuwa, kuma yana iya cimma Babban ƙarfin caji shine 240W, yana goyan bayan babban ƙarfin lantarki mai daidaito da kuma sarrafa wutar lantarki mai ɗorewa da kuma ƙarancin amfani da wutar lantarki mai jiran aiki.

Rockchip RK838

Rockchip RK838 guntu ne mai sauri na caji wanda ke haɗa kebul na USB PD3.1 da UCFS protocol core, sanye take da tashar USB-A da tashar USB-C, tana goyan bayan fitarwa biyu na A+C, kuma duka tashoshi suna goyan bayan yarjejeniyar UCFS. Lambar takardar shaidar UCFS: 0302347160534R0L-UFCS00034.

RK838 ya rungumi tsarin MCU, ya haɗa da Cortex-M0 core a ciki, babban sararin ajiya mai ƙarfin 56K, sararin 2K SRAM don aiwatar da PD da sauran ka'idojin mallakar, kuma masu amfani za su iya aiwatar da ajiyar lambar yarjejeniya da yawa da kuma ayyukan kariya daban-daban na musamman.
Idan ana maganar caji mai sauri mai ƙarfi, a dabi'ance ba za a iya raba shi da daidaitaccen tsarin wutar lantarki ba. RK838 yana goyan bayan fitowar wutar lantarki mai 3.3-30V akai-akai, kuma yana iya samun goyon bayan wutar lantarki mai 0-12A akai-akai. Idan wutar lantarki mai ɗorewa tana cikin 5A, kuskuren bai wuce ±50mA ba.

RK838 kuma yana da cikakkun ayyukan kariya da aka gina a ciki, daga cikinsu fil ɗin CC1/CC2/DP/DM/DP2/DPM2 duk suna goyan bayan ƙarfin lantarki mai jure wa 30V, wanda zai iya hana layukan bayanai da suka lalace daga haifar da lalacewar samfura yadda ya kamata, da kuma tallafawa kashewar fitarwa cikin sauri bayan ƙarfin lantarki mai yawa. Guntu ɗin kuma yana da kariyar overcurrent da aka gina a ciki, kariyar overvoltage, kariyar undervoltage da kariyar overvoltage don tabbatar da amfani mai aminci.