S-8211CCV-M5T1U

Series:	S-8211C
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Battery Protection
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Fault Protection:	Over Current, Short Circuit
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5

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Introduction

The S-8211CCV-M5T1U is an advanced Multichannel Battery Management System (BMS) designed to optimize the performance, safety, and life of batteries used in e-device applications. It consists of a power-efficient 8-channel voltage and current detection circuit, a programmable protection circuit, and a temperature signal input. This BMS supports a wide range of battery chemistries, including Li-ion, LiFePO4, and NiMH, in a wide range of voltage and capacity. Moreover, this BMS can store up to 8 sets of user-programmable settings for different applications. The S-8211CCV-M5T1U is a high-performance device that provides precise voltage and current control for safety and reliable operation.

Application Field

The S-8211CCV-M5T1U is designed for use in applications that require precise voltage and current control, including e-device, automotive, industrial, and medical applications. It is also ideal for small, low-power devices, such as portable medical electronic devices, e-bikes, power tools, and hand-held radios. Its combination of power efficiency, flexible configurations, and precise control make it suitable for a wide range of applications.

Voltage Detecting Principle

The S-8211CCV-M5T1U is composed of a power-efficient 8-channel voltage and current detecting circuit and a programmable protection circuit. The voltage detecting circuit is composed of a current sense amplifier and an ADC (analog-to-digital converter) that converts the analog input signals into digital data. The ADC operates at a sample rate of 1.25MSamples/sec, and can measure up to 8 channels and convert up to 8 different voltages into digital data. This data is then sent to the protection circuit, which uses a programmable voltage comparison threshold to detect over-voltage or under-voltage conditions.

Current Detecting Principle

The current detection circuit consists of a current sense amplifier and an ADC (analog-to-digital converter). The current sense amplifier amplifies the input current signals and outputs a voltage proportional to the input current. This output is then converted to digital data by the ADC and sent to the protection circuit. The protection circuit uses a programmable current comparison threshold to measure excessive current and detect over-current or under-current conditions.

Temperature Detecting Principle

The temperature detecting circuit consists of an NTC thermistor and an ADC. The NTC thermistor senses the ambient temperature and the ADC converts it to digital data. This data is then sent to the protection circuit, which uses a programmable temperature comparison threshold to detect over-temperature and under-temperature conditions.

Conclusion

The S-8211CCV-M5T1U Multichannel Battery Management System is designed for use in applications that require precise voltage and current control. It consists of an 8-channel voltage and current detection circuit, a programmable protection circuit, and a temperature signal input. This BMS is suitable for a wide range of applications and can store up to 8 sets of user-programmable settings for different applications. The S-8211CCV-M5T1U provides precise voltage and current control for safety and reliable operation, making it ideal for high-performance devices.

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