TL7705BIDRG4

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Complementary
Reset:	Active High/Active Low
Reset Timeout:	270 ns Typical Propagation Delay
Voltage - Threshold:	4.55V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	TL7705B

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Introduction

Power Management Integrated Circuit (PMIC) - Supervisors, such as TL7705BIDRG4, are advanced components used in a large range of electronic applications. In particular, they are employed in battery-operated products and embedded systems, where they ensure the safe operation of the device.The TL7705BIDRG4 is an advanced version of a power manager IC, providing reliable battery protection. It is a low-voltage master supervisor, suited for multiple battery configurations, able to trigger alerts and alarms when the battery is out of range, short-circuited or overloaded.

TL7705BIDRG4 Application Field

The TL7705BIDRG4 is primarily designed for use in a wide range of battery-powered devices. In particular, it is suitable for portable and embedded systems, such as wireless sensors, smart metering, portable and mobile devices, such as mobile phones. Moreover, it is typically employed in applications that require a high degree of performance, such as automotive and industrial applications, such as HVAC, and white goods. In addition, the TL7705BIDRG4 is compatible with a variety of battery types, including Li-ion and alkaline batteries, making it a desirable choice for a variety of applications. The chip also offers versatile protection features and flexible programming options. It can be set up to trigger an alert when the supply voltage falls out of range, or when an over current or a short circuit condition occurs. Moreover, it supports low-battery interrupt modes, which makes it ideal for controlling in applications where battery power is the operational lifeblood of the device.

TL7705BIDRG4 Working Principle

The TL7705BIDRG4 is a low-voltage supervisor designed to supply a power management integrated circuit with reliable battery protection. Its main function is to monitor the battery voltage and set alerts and alarms when the voltage is either too high or too low.The TL7705BIDRG4 operates on a single supply voltage, usually 3.3 V or 5 V. It contains a microcontroller that monitors the battery voltage and an internal hold-up capacitor that maintains the voltage until the microcontroller can detect changes. It also has protection from overcurrent conditions and short-circuit conditions.The TL7705BIDRG4 can protect up to eight separate battery cells in a series. It is also capable of performing supervisory functions on charging and discharging as well as detecting abnormal conditions of the battery. This includes over-discharge, over-current, over-temperature, and short-circuit. An on-board comparator is used to detect the battery voltage and actuate the alerts and alarms according to the pre-programmed thresholds.When an alarm or alert is triggered, the device can be configured to raise an SCL line interrupt or an interrupt output, or a combination of both. An on-board push-button switch can be used to reset the supervisor and clear any alerts.

Conclusion

The TL7705BIDRG4 is a powerful low-voltage master supervisor, suitable for a wide range of battery-powered applications. It is capable of monitoring the health of the battery, triggering alerts and alarms when necessary as well as protecting it from overcurrent and short-circuit conditions. It is compatible with a variety of battery types, such as Li-ion and alkaline batteries. Thanks to its flexible programming options, the TL7705BIDRG4 can be used in a variety of applications. It is especially suitable for portable and embedded systems, automotive and industrial applications, and applications that require a high degree of reliability and performance.

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