Overview
The TL7700CPW is a bipolar integrated circuit designed by Texas Instruments for use as a reset controller in microcomputer and microprocessor systems. This device is highly versatile, offering adjustable sense voltage and hysteresis settings using external resistors. It operates within a wide supply voltage range of 1.8 V to 40 V and is stable across a temperature range of –40°C to 85°C, making it suitable for various applications including ac line operation, portable battery operation, and automotive systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | TSSOP (PW) |
| Pins | 8 |
| Operating Temperature Range (°C) | –40 to 85 |
| Supply Voltage Range | 1.8 V to 40 V |
| Sense Voltage Tolerance (25°C) | 1.0% |
| Typical Supply Current (VCC = 40 V) | 0.6 mA |
| Minimum Sense Voltage | 0.5 V |
Key Features
- Adjustable Sense Voltage With Two External Resistors
- Adjustable Hysteresis of Sense Voltage
- Wide Operating Supply-Voltage Range: 1.8 V to 40 V
- Wide Operating Temperature Range: –40°C to 85°C
- Low Power Consumption: ICC = 0.6 mA Typical, VCC = 40 V
- Precision Voltage Reference, Fast Comparator, Timing Generator, and Output Driver
Applications
The TL7700CPW is suitable for a variety of applications, including:
- Microcontrollers (MCUs) and Microprocessors
- FPGAs and ASICs
- Notebooks and Desktop Computers
- Set-Top Boxes
- Industrial Control Systems
- Automotive Systems
- Portable Battery Operated Devices
- AC Line Operated Devices
Q & A
- What is the primary function of the TL7700CPW?
The TL7700CPW is designed as a reset controller for microcomputer and microprocessor systems. - What is the adjustable sense voltage range for the TL7700CPW?
The sense voltage can be set to any value greater than 0.5 V using two external resistors. - What is the operating supply voltage range for the TL7700CPW?
The device operates within a supply voltage range of 1.8 V to 40 V. - What is the operating temperature range for the TL7700CPW?
The device operates from –40°C to 85°C. - How is the hysteresis of the sense voltage adjusted?
The hysteresis of the sense voltage can be adjusted using the same external resistors that set the sense voltage. - What are some typical applications for the TL7700CPW?
Applications include microcontrollers, FPGAs, notebooks, desktop computers, set-top boxes, industrial control systems, and automotive systems. - What is the typical supply current for the TL7700CPW at VCC = 40 V?
The typical supply current is 0.6 mA. - What package types are available for the TL7700?
Available packages include TSSOP (PW), VSSOP (DGK), PDIP (P), and SO (PS). - Does the TL7700CPW have a precision voltage reference?
Yes, the device includes a precision voltage reference. - Is the TL7700CPW suitable for automotive applications?
Yes, it is designed for operation in automotive applications due to its wide operating temperature and voltage ranges.
