LTC2935CTS8-4#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	8 Selectable Threshold Combinations
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-8 Thin, TSOT-23-8
Supplier Device Package:	TSOT-23-8
Base Part Number:	LTC2935

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Introduction

The LTC2935CTS8-4#TRPBF is a high-performance power management integrated circuit (PMIC) that provides active monitoring and control of critical battery parameters. It offers a range of features and functions that can facilitate the design of robust battery management systems. The LTC2935CTS8-4#TRPBF belongs to the family of PMICs known as Supervisors. In this article, we will discuss the application fields and the working principle of the LTC2935CTS8-4#TRPBF.

Application Fields

The LTC2935CTS8-4#TRPBF is designed for use with small to medium-sized battery packs. It is suitable for use in solar-powered, medical, industrial, transportation, consumer electronics and other high-reliability applications. The device is also well suited for use in electric vehicles, providing critical monitoring and control of the vehicle’s main battery pack. It can be used to monitor, protect and log the voltage, current, temperature, and time of the battery pack. The LTC2935CTS8-4#TRPBF operates over a wide temperature range (-40°C to +85°C) and accepts inputs voltage of up to 20V. It features a simple-to-use, yet powerful control subsystem that supports various monitoring and control functions, such as over-voltage, over-temperature, and charger control.

Working Principle

The LTC2935CTS8-4#TRPBF contains a high-precision Analog-to-Digital Converter (ADC) and a multi-monitoring and control logic core. This core interacts with the settings on the EEPROM (electrically erasable programmable read-only memory) to monitor the battery pack parameters. The device contains multiple operating regimes which are executed according to the programmed settings. For example, in the charging regime, the ADC continuously measures the battery pack\'s voltage, current and temperature. Based on these measurements, the device will regulate the charging current, discharge current, and activate charging and termination signals as needed.The ADC of the device is connected to the thermistor signal and the signal line of the battery pack\'s voltage regulator. In this way, the device is able to monitor the battery temperature and determine the charging current by using the battery\'s voltage regulator.The LTC2935CTS8-4#TRPBF also supports multiple types of charging parameters, such as two-stage charging, liquid-cooled charging, over-discharge protection and active balancing. It can be used to protect the battery pack against over-temperature and over-charging. It also features remote temperature sensing and communications protocols (such as I2C, SMBus and SPI).

Conclusion

To sum up, the LTC2935CTS8-4#TRPBF is a high-performance PMIC designed for small to medium-sized battery packs. It offers an extensive range of features and functions that can be used to monitor and control the critical parameters of the battery pack. Its ADC is connected to a thermistor signal and to the voltage regulator of the battery pack, enabling it to detect and control the temperature, charging and other parameters. Finally, the LTC2935CTS8-4#TRPBF supports multiple types of charging parameters and communications protocols, making it an ideal choice for a variety of battery management applications.

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