Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | Adjustable/Selectable |
| Output | Open Drain or Open Collector |
| Reset | Active High |
| ResetTimeout | Adjustable/Selectable |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 6-UFDFN |
Tổng quan
Description
TPS3897PDRYR is a Texas Instruments voltage supervisor/reset IC in the TPS3897 family. It monitors the supply voltage (Vcc) and asserts a reset to a microcontroller or digital logic when Vcc is outside the valid range or during power-up, providing brown-out protection and a known startup state. Key points:
- Low quiescent current and fast reset response
- Fixed or selectable voltage threshold options
- Programmable power-on reset delay via an external capacitor
- Optional/manual reset input on certain variants
- Operating range roughly 1.8 V to 5.5 V
- Small surface-mount package; PDRYR indicates tape-and-reel packaging
Typical uses: embedded MCUs, microprocessors, FPGAs, and other digital systems requiring reliable reset during power-up and brown-out. For exact thresholds, pinout, timing, and package details, consult the TI datasheet for TPS3897PDRYR.
- Low quiescent current and fast reset response
- Fixed or selectable voltage threshold options
- Programmable power-on reset delay via an external capacitor
- Optional/manual reset input on certain variants
- Operating range roughly 1.8 V to 5.5 V
- Small surface-mount package; PDRYR indicates tape-and-reel packaging
Typical uses: embedded MCUs, microprocessors, FPGAs, and other digital systems requiring reliable reset during power-up and brown-out. For exact thresholds, pinout, timing, and package details, consult the TI datasheet for TPS3897PDRYR.
Features
TPS3897PDRYR is a microprocessor supervisor (voltage detector) in an 8-pin package. Key features include:
- Wide operating voltage: typically 1.65 V to 5.5 V
- Power-on reset: guarantees a proper reset during power-up/brown-out
- Reset output: active-low, push-pull
- Manual reset input with debounce support
- Low quiescent current (very energy-efficient in normal operation)
- Reset signal filtering/glitch protection for robust operation
- Temperature range: -40°C to 125°C
- Small, RoHS-compliant packaging (PDRYR, 8-pin)
- ESD/solution robustness and suitability for MCU protection
Note: For exact threshold values, timing specifications, and all pinout details, please refer to the TPS3897PDRYR datasheet.
- Wide operating voltage: typically 1.65 V to 5.5 V
- Power-on reset: guarantees a proper reset during power-up/brown-out
- Reset output: active-low, push-pull
- Manual reset input with debounce support
- Low quiescent current (very energy-efficient in normal operation)
- Reset signal filtering/glitch protection for robust operation
- Temperature range: -40°C to 125°C
- Small, RoHS-compliant packaging (PDRYR, 8-pin)
- ESD/solution robustness and suitability for MCU protection
Note: For exact threshold values, timing specifications, and all pinout details, please refer to the TPS3897PDRYR datasheet.
Pinout
TPS3897PDRYR is a 3-pin voltage supervisor (reset generator). It has VCC (supply), GND, and RESET (reset output). It monitors the supply and asserts a low on the reset output when VCC is out of range or at power-up, providing a power-on reset for microcontrollers.
Manufacturer
- Manufacturer: Texas Instruments (TI).
- Company type: American multinational semiconductor company that designs and manufactures analog, mixed-signal, and embedded processing integrated circuits (ICs).
- Company type: American multinational semiconductor company that designs and manufactures analog, mixed-signal, and embedded processing integrated circuits (ICs).
Application
TPS3897PDRYR is a voltage supervisor/reset IC. Common application areas include:
- Microcontroller/processor reset supervision for reliable startup
- Power-on/power-down brown-out protection on single or multiple rails
- Manual reset input for external control in embedded designs
- Automotive, industrial, and consumer electronics requiring robust reset signaling
- Battery-powered/portable devices with low quiescent current demands
These ensure proper reset timing and system reliability across various digital systems.
- Microcontroller/processor reset supervision for reliable startup
- Power-on/power-down brown-out protection on single or multiple rails
- Manual reset input for external control in embedded designs
- Automotive, industrial, and consumer electronics requiring robust reset signaling
- Battery-powered/portable devices with low quiescent current demands
These ensure proper reset timing and system reliability across various digital systems.
Package
TPS3897PDRYR is in a three-pin SOT-23 (SC-70-3) package, with Tape & Reel (YR) packaging.
