Original spot R5460N214AF-TR-FE high voltage protection IC Price & Stock

2022-09-24 21:11:22

Original spot R5460N214AF-TR-FE high voltage protection IC

R5460N214AF-TR-FE: High voltage protection IC. Company advantage inventory.

The R5460x2xxxx series are CMOS based high voltage protection ICs for overcharge/discharge of rechargeable two-cell batteries

Lithium-ion (Li+)/Li-polymer, also includes short-circuit protection circuitry for protection against large external shorts

current and protection circuit to prevent excessive discharge current and excessive charge current.

These ICs consist of six voltage detectors, a reference unit, a delay circuit, a short circuit protector, an oscillator,

Counters and logic circuits. When the overcharge voltage threshold or the overcharge current threshold exceeds each

When the detector threshold goes from low to high, after an internal fixed delay time, the output of the COUT pin switches to the "L" level.

To release the overcharge detector after overcharge is detected, the detector can be reset and the output of COUT becomes "H"

After the charger is disconnected from the battery pack, when a load is connected to VDD, the battery voltage becomes

Below the overcharge detector threshold. If the charger is continuously connected to the battery pack, if the battery

The voltage becomes lower than the overcharge release voltage, and the overcharge state is also released.

The output of the DOUT pin, the output of the overdischarge detector and the overdischarge current detector switch to "L"

Voltage level after an internally fixed delay time when the discharge voltage exceeds a value from the high value of the detector threshold

lower than VDET2.

The conditions for releasing the overdischarge voltage detector after detecting the overdischarge voltage are as follows:

A/D version: After connecting the charger, when the battery voltage is higher than the overdischarge detector threshold or

When the battery voltage is equal to or higher than the overdischarge release voltage without the charger connected.

Version C: After connecting the charger, when the battery voltage is higher than the threshold voltage of the overdischarge detector.

E version: Whether to connect the charger when the battery voltage is higher than the voltage released by overdischarge.

Type F: After connecting the charger, when the battery voltage is higher than the voltage released by overdischarge.

If a charger is connected (for the A/C/D version), the overdischarge detector has no hysteresis. E/F version even

If the charger is connected to the battery pack, there is a hysteresis of the overdischarge detector.

In order to satisfy the release condition of the over-discharge voltage protector, the output voltage of DOUT becomes "H".

The charging current is acceptable even when the battery is discharged to 0V.

After detecting overdischarge current or short circuit current, after disconnecting the load, overdischarge or short circuit

The condition is released and DOUT becomes "H".

By stopping the operation of the internal circuit after the overdischarge voltage is detected, the supply current will be kept extremely low.

When the output of COUT is "H", if the V- pin level is set to -1.6V, the delay time of the overcharge and overdischarge detectors can be

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

The PCB that protects the circuit can be reduced. The output type of COUT and DOUT is CMOS.

Application field

?Li+/Li polymer protector for overcharge, overdischarge, overcurrent of battery pack

?High precision protector for cell phones and any other gadgets with onboard Li+/Li polymer battery

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.

Company advantage inventory:

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Original spot R546...

Original spot R5460N214AF-TR-FE high voltage protection IC

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