Original spot R5487L123KM-TR high voltage protection IC Price & Stock

2022-09-24 21:11:22

Original spot R5487L123KM-TR high voltage protection IC

R5487L123KM-TR: High withstand voltage protection IC. Company advantage inventory.

The R5487L/R5497L series are CMOS based high withstand voltage protection ICs for overcharge/discharge

Overcurrent in single-cell rechargeable Li-ion (Li+)/Li-polymer batteries. R5487L / R5497L

This series can detect overcharge/discharge and excessive load current of Li+ single cell batteries, also includes short circuit

Protector for protection against large external short-circuit currents and excessive charging currents.

The R5487L/R5497L series consists of four voltage detectors, a reference unit, a delay circuit, a shunt and a shunt.

Circuit protectors, oscillators, counters and logic circuits.

After being fixed internally, the output of the overcharge detector or overcharge current detector switches to the "L" level

Delay time, when the charge voltage exceeds the detector threshold from a low value to a high value.

They come in two types to release overcharge detectors. One is called "latch type". COUT output

When the charger is disconnected from the charger, the switch switches to "H" when a load is connected to the battery pack

battery pack, and the battery voltage becomes lower than the overcharge detector threshold.

The other is called "autorelease type". When the battery voltage is lower than COUT, the output of COUT switches to "H"

Overcharge detector release threshold, or disconnect charger when battery voltage falls below this threshold

Overcharge detector threshold.

The output of the overdischarge detector or overdischarge current detector after switching to the "L" level

Internally fixed delay time when the discharge voltage exceeds a value from the high value of the detector threshold

lower than VDET2.

They come in two types to release overdischarge detectors. One is called "latch type". in this case

The charger is connected to the battery pack and the VDD level is greater than the overdischarge detector threshold,

The output level of DOUT changes to "H" immediately. The other is called "autorelease type". in this case

The charger is connected to the battery pack and the VDD level is greater than the overdischarge detector threshold,

The output level of DOUT changes to "H" immediately. If the charger is not connected, the VDD pin voltage is equal to or less than

When the overdischarge release voltage is exceeded, the output level of DOUT becomes "H".

Excessive discharge current and short-circuit conditions can be detected and cut off by built-in excess current

DOUT is enabled as a low-level current detector. Once excessive discharge current or short circuit is detected

By removing the load system from the battery pack, the circuit is released and the DOUT level switches to high.

After overdischarge is detected, the supply current is kept extremely low by stopping the operation of the internal circuit.

When the output of COUT is "H", if the V- pin level is set to VSS-2V or lower, the delay time of the detector can be

shorten. In particular, the delay time of the overcharge detector can be reduced to about 1/60.

Therefore, the test time of the protector circuit board can be reduced. The output type of COUT and DOUT is CMOS.

The R5487L/R5497L series has DFN1414-6B and DFN1814-6B.

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).

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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.

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Original spot R548...

Original spot R5487L123KM-TR high voltage protection IC

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