Texas Instruments TLC7725IPWR
- Part Number:
- TLC7725IPWR
- Manufacturer:
- Texas Instruments
- Ventron No:
- 3748580-TLC7725IPWR
- Description:
- Voltage supervisor with programmable delay time
- Datasheet:
- tlc77
- Number of supplies monitored1
- Threshold voltage 1 (typ) (V)2.25
- FeaturesComplimentary output
- Iq (typ) (mA)0.009
- Output driver type/reset outputActive-high
- Supply voltage (min) (V)2
- Supply voltage (max) (V)6
- RatingCatalog
- Watchdog timer WDI (s)None
- Monitored voltage 1 (nom) (V)2.5
- Operating temperature range (°C)-40 to 125
The TLC77xx family of micropower supply voltage supervisors provide reset control, primarily in microcomputer and microprocessor systems.
During power-on, RESET is asserted when VDD reaches 1 V. After minimum VDD (≥ 2 V) is established, the circuit monitors SENSE voltage and keeps the reset outputs active as long as SENSE voltage (VI(SENSE)) remains below the threshold voltage. An internal timer delays return of the output to the inactive state to ensure proper system reset. The delay time, td, is determined by an external capacitor:
td = 2.1 × 104 × CT
Where
CT is in farads
td is in seconds
Except for the TLC7701, which can be customized with two external resistors, each supervisor has a fixed sense threshold voltage set by an internal voltage divider. When SENSE voltage drops below the threshold voltage, the outputs become active and stay in that state until SENSE voltage returns above threshold voltage and the delay time, td, has expired.
In addition to the power-on-reset and undervoltage-supervisor function, the TLC77xx adds power-down control support for static RAM. When CONTROL is tied to GND, RESET will act as active high. The voltage monitor contains additional logic intended for control of static memories with battery backup during power failure. By driving the chip select (CS) of the memory circuit with the RESET output of the TLC77xx and with the CONTROL driven by the memory bank select signal (CSH1) of the microprocessor, the memory circuit is automatically disabled during a power loss. (In this application the TLC77xx power has to be supplied by the battery.)
The TLC77xxI is characterized for operation over a temperature range of 40°C to 85°C; the TLC77xxQ is characterized for operation over a temperature range of 40°C to 125°C; and the TLC77xxM is characterized for operation over the full Military temperature range of 55°C to 125°C.
The 3×3 mm DRB package is also available as a non-magnetic package for medical imaging application.
Voltage supervisor with programmable delay time 8-TSSOP -40 to 85
Voltage Detector / Microprocessor Supervisor IC; Supply Voltage Min:2V; Package/Case:8-TSSOP; No. of Pins:8; Operating Temperature Range:-40°C to 85°C; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes ;RoHS Compliant: Yes
Latest News
-
18 March 2024
TDA7377 Audio Power Amplifier Alternatives, Application and Other Details
Ⅰ. Overview of TDA7377Ⅱ. Performance evaluation of TDA7377Ⅲ. Internal circuit diagram of TDA7377Ⅳ. Application of TDA7377Ⅴ. PCB-layout grounding of TDA7377Ⅵ. TDA7377 power amplifier chip parametersⅦ. How to ensure... -
19 March 2024
HT1621B Alternatives, Brand, Usage and Other Details
Ⅰ. Overview of HT1621BⅡ. Which brand is HT1621B?Ⅲ. Pins and description of HT1621BⅣ. How to use HT1621B?Ⅴ. Application circuits of HT1621BⅥ. Tips for using HT1621BⅦ. How to set... -
19 March 2024
AT24C02 Pinout, Working Principle, Characteristics and More
Ⅰ. AT24C02 overviewⅡ. Working principle of AT24C02Ⅲ. Pins and functions of AT24C02Ⅳ. Characteristics of AT24C02Ⅴ. Block diagram of AT24C02Ⅵ. What should we pay attention to when using AT24C02?Ⅶ.... -
20 March 2024
L9110S Advantages, Pinout, Working Principle and Application
Ⅰ. L9110S overviewⅡ. Advantages of L9110SⅢ. L9110S pin configurationⅣ. Hardware introduction of L9110S motor drive moduleⅤ. Working principle of L9110S motor drive moduleⅥ. L9110S application circuitⅦ. How to...
Help you to save your cost and time.
Reliable package for your goods.
Fast Reliable Delivery to save time.
Quality premium after-sale service.