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2022-09-24 21:11:22
Original spot R5439K314JB-TR charging protection IC
R5439K314JB-TR: Charging protection IC. Company advantage inventory.
The R5439K is an overcharge protection IC for 2 to 4 series Li-ion or Li-polymer secondary batteries. Internal,
R5439K consists of high precision voltage detection circuit, delay circuit and voltage regulator for
Operates an external real-time clock. Two-Stage Shutdown Detection Circuit Reduces Supply Current
minimum.
feature
?High pressure process
Absolute Maximum Ratings ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・32 V
?Low supply current
During operation, battery voltage: 4.15 V, 4 cells Typical 4.0 μA
Shutdown 1 ············································· ・・・・・・・・ Typical 2.5 µA
Shutdown 2 (Standby) ・・・・・・・・・・・・・・・・・・・・・・・・・・・ 0.2 microamps
?The output voltage
Built-in regulator ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・2.9 V to 3.7 V in 0.1 V steps
Output Voltage Accuracy
COUT output (CMOS output, active high)
?High-precision voltage detection
Overcharge Detector Threshold (VDET1n(1)
) . . . . . . . . . . . . . . . . . . . ······························································································ ······························································································· 5mV
Overcharge Detector Threshold Accuracy ···························±0.02V (Ta = 25°C)
±0.025 V (0°C Overcharge release voltage (VREL1n(1) VDET1n-0V to VDET1n-0.4V in 50 mV steps Min.4.15V Charging detection delay time ........................................ 2-, 4-, or delayed time shortening function for 6 seconds (2) Overcharge Release Voltage Condition ・・・・・・・・・・・・・・・・・・・・・・・・・ Shutdown function [Shutdown 1] Shutdown 1 Detector Threshold 3.8 V, ±0.3 V Shutdown 1 detection delay time [Shutdown 2] Shutdown 2 Detector Threshold (VSHT2n(1) ) . . . . . . . . . . . . . . . . . . . ······························································································ ······························································································ 100 Off 2 Detector Threshold Accuracy ·······················································±0.05 V Shutdown 2 Release Voltage ························································· VSHT2n + 0.2 V Shutdown 2 detection delay time ············································· ······························································································ ······························································································ ·· ?2 to 4 optional battery protection Timer reset delay function ?Compact packaging DFN (PLP) 2020-8··········································· ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ application Li-ion or Li-polymer battery protection Ricoh Electronic Equipment Co., Ltd. is a leading global supplier of semiconductor products, offering a comprehensive portfolio of CMOS analog power management ICs and real-time clock ICs, enabling engineers to design advanced applications for the consumer, industrial and automotive markets. Ricoh has extensive expertise in technologies and solutions, including power saving (low power consumption and high efficiency), small footprint (ultra-small package and integration), high performance (high precision, low noise, high temperature), products Life planning (extended product availability at least 10 years), high reliability (advanced safety measures in accordance with safety standards). Ricoh has always believed in the power of creativity, and has used this belief to inspire the development of its business. The company's founder, Kiyo Ichimura, created a talented think tank who challenged the constraints of tradition with professional pride. They paint a blueprint for us to accurately copy and distribute information at the touch of a button, providing access to critical business knowledge anytime, anywhere. With the perfect combination of innovative technology, engineering design and quality craftsmanship, Ricoh turned this blueprint into reality. Its printers, copiers and fax machines are at the forefront of an era of office automation and change in business operations. Recently, document management services have earned Ricoh a reputation as a global document management expert. Today, Ricoh has developed into a veritable multinational company. It has exceptionally strict service standards and aims to build a genuine partnership with its customers. Leveraging the technical capabilities and IT knowledge of the Ricoh team, client companies can reduce costs, reduce waste and streamline processes, and create real benefits for the client companies' own customers. Most importantly, by encouraging employees to think creatively and thus quickly gather team wisdom, Ricoh is driving a far-reaching and long-lasting business change. Forward thinking is the unchanging principle of Ricoh. Ricoh is vigorously developing the following businesses: designing products and providing customized services for specific industries, emerging markets, and large and medium-sized enterprises; developing new solutions according to local needs, and injecting new vitality into existing forms of information sharing; through cloud computing , remote monitoring and other innovative technologies to make information sharing more mobile and personalized. In addition, whether through award-winning digital camera products or online data storage services, Ricoh's consumer products play an active role in enhancing people's interaction with their surroundings. In Ricoh's view, business, society and the earth are closely linked. Ricoh strives to be a company where employees are proud to work and pursue business growth with a sense of social responsibility wherever they are. Combining commitment with forward-looking business strategies, Ricoh drives profitable, sustainable growth for its customers and its own operations. Every day, in every part of the world, Ricoh helps people use their collective imagination to live a more productive, fulfilling and sustainable quality of life. 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R5486K104CG-TR R5486K505CM-TR R5486K514CM-TR R5487L105KD-TR R5487L113KD-TR R5487L119KM-TR R5487L121SD-TR R5487L123KM-TR R5487L123KM-TR R5492N101KL-TR-FF R5494L336AP-TR LI-ION Article number NK-P7A60DMA NK-P7A60DMA MOSFET VC-EVK-VC7300A radio frequency R2025S-E2-F RTC R5524N004A-TR-AE R5528Z001A-E2-F R5560Z011A-TL-F Switch IC SP-PTVSHC2EN5VU SP-PTVSHC2EN5VU TVS Tube AP1511B VCM Driver R3111H201C-T1-FE R3111H221A-T1-FE R3111H221C-T1-FE R3111H221C-T1-FE R3111H241C-T1-FE R3111H271A-T1-FE R3111H271A-T1-FE R3111H271C-T1-FE R3111H271C-T1-FE R3111H301A-T1-FE R3111H301C-T1-FE R3111H301C-T1-FE R3111H301C-T1-FE R3111H321A-T1-FE Article number R3111H341C-T1-FE R3111H351A-T1-FE R3111H381A-T1-FE R3111H421A-T1-FE R3111H421A-T1-FE R3111H441C-T1-FE R3111H441C-T1-FE R3111H441C-T1-FE R3111H451A-T1-FE R3111H451C-T1-FE R3111H471A-T1-FE R3111H481C-T1-FE R3111H481C-T1-FE R3111H501A-T1-FE R3111H551A-T1-FE R3111H581A-T1-FE R3111N201A-TR-FE R3111N221C-TR-FE R3111N251A-TR-FE R3111N271C-TR-FE R3111N272A-TR-FE 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Module VC-Repeater Module VC-Repeater Module test board O-wisun Module O-wisun Module circuit board adapter RC5T619-0133 RN5T566A RN5T566A RN5T567BG-E4 RN5T568S-E4 RN5T568Z-E4 RN5T569C-E4 RN5T569C-E4