TLC7733IPWR

The TLC7733IPWR is a current-limit supervisor from Texas Instruments, designed to monitor and regulate the current flow in a system. This 14-pin device comes with an adjustable voltage supervisor that monitors both the presence and loss of power. It can provide an active-low reset output or generate a pulse for watchdog and sequencing purposes.

Features

• Adjustable supply voltage supervisor
• Maximum supply voltage range: +3.3V to +18V
• Current-limit range: 0.1mA to 10mA
• Active-low reset output
• Built-in watchdog circuit
• Two power-on sequence outputs
• Quadruple/dualneded operating modes
• Wide supply voltage range: +2.7V to +5.5V
• Operating temperature range: -40 to +85 C
• Slew rate for the reset signal: +2V/sec
• High-impedance outputs in its reset state
• Adjustable reset time of 1-100msec
• Watchdog timeout period: 1-2000msec or 1-20sec
• Package: SPACE-efficient 14-pin 256-mil SOIC

Applications

• Battery-powered communication devices
• Consumer electronics
• Industrial power tools
• Game consoles
• Embedded systems
• Medical systems
• Ethernet switches
• Automotive systems

Working Principle

The TLC7733IPWR works based on an integrated circuit that regulates the current flow. It uses two voltage-sensing pins to monitor the presence and changes in the supply voltage, alerted by an active-low reset output. It also provides two power-on sequence outputs, measuring the time between the two signals, to prevent erroneous functionality in case of power failure. The TLC7733IPWR works by regulating the current that passes through the device. It uses a current-limiting circuit that limits the current to the set limit. This is done to prevent damage to the device in case of sudden surges or faults.

The TLC7733IPWR also contains a watchdog timer that monitors the time elapsed between two events. If the time period between the two events exceeds the set limit, the watchdog timer generates a timer reset signal. This feature can be used to detect faults and errors. It also contains slew rate circuitry that limits the rate of change of the reset signal. This is done to prevent sudden and abrupt changes in voltage.

The TLC7733IPWR is also a low-power device, meaning it requires minimal power to operate. The device contains a wide supply voltage range of +2.7V to +5.5V, enabling operations in a variety of environments. It is also packaged in a space-efficient 14-pin 256-mil SOIC, making it ideal for compact applications.

Conclusion

The TLC7733IPWR is a current-limit supervisor from Texas Instruments. It has a wide range of features, including an adjustable supply voltage supervisor, a current-limit range, active-low reset output, built-in watchdog circuit, two power-on sequence outputs, and several operating modes. This device is mainly used in battery-powered communication devices, consumer electronics, industrial power tools, game consoles, embedded systems, medical systems, Ethernet switches, and automotive systems. It works by regulating the current flow and providing a watchdog timer, and it is also packaged in a space-efficient 14-pin 256-mil SOIC.