深·元达佳主营日本理光芯片，包括DC/DC升压IC、降压IC、稳压IC、多路LDO、电压检测和复位、看门狗锂电保护、锂电充电IC、RTC实时时钟等IC。 
其特点是：**、低启动电压、低功耗、**、小封装。 
LDO稳压IC： 
R1111N151B、R1111N251B、R1111N281B、R1111N301B、R1111N331B、R1111N501B、R1111N301A、R1111N501A 
R1114N151D、R1114N181D、R1114N251A、R1114N301B、R1114N331B、R1114N351A、R1114N501B、R1114N501A 
R1131N151D、R1131N181D、R1131N281D、R1131N301D、R1131N331D
升压IC: 
RN5RK301A、RN5RK331A、R1210N301A、R1210N331A、RN5RK501A、RN5RK302A、RN5RK502A、RN5RY202A
电压检测（复位IC）： 
R3111N111A、R3111N181C、R3111N201C、R3111N222A、R3111N291A、R3111N241A、R3111N251C、R3111N301C
R3111N311A、R3111N321A、R3111N341A、R3111N401A、R3111N451A、R3111N501A、R3111N521A、R3111H271C
R3111H401A、R3111H421A、R3111H291C、R3111N221A、R3111H251C. 
RTC实时时钟： 
RS5C372A、RS5C316A、R2051S、R2025S、R2061. 
锂电保护IC： 
R5421N111C、R5421N112C、R5421N151F、R5421N152F、R5421N139F、R5426N102CA、R5426N110FA、R5426N120CA 
R5400N101CA、R5400N102CA、R5400N110FA、R5400N149FA、R5402N110KD、R5402N101KD、R5402N102KD、R5402N110KD 
降压IC： 
R1224N102H、R1224N332F、R1224N502F、R1224N502G、R1224N502M、R1223N332F 

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主营产品或服务: 深·元达佳主营RICOH（日本理光）电源保护IC。RN5RK、RN5RY、RN5RY202、RN5RK331A、R1210N301A、R1223N502F、R1224N102H、R1225N、R1232D、R5220D、R1218N、R1280D、ICR1111N301B、R1111N331B、R1116N、R1161D