MANUAL RESET; POWER ON RESET GENERATOR; VOLTAGE MONITOR FOR POWER-FAIL OR LOW-BATTERY MONITORING
Adjustable Threshold:
NO
Analog IC - Other Type:
BATTERY BACKUP SUPERVISOR
JESD-30 Code:
S-PDSO-G8
JESD-609 Code:
e4
Length:
3 mm
Moisture Sensitivity Level:
1
Number of Channels:
1
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
TSSOP
Package Equivalence Code:
TSSOP8,.19
Package Shape:
SQUARE
Package Style:
SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.1 mm
Supply Current-Max (Isup):
0.04 mA
Supply Voltage-Max (Vsup):
5.5 V
Supply Voltage-Min (Vsup):
1.65 V
Supply Voltage-Nom (Vsup):
5 V
Surface Mount:
YES
Technology:
CMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Threshold Voltage-Nom:
+4.55V
Time@Peak Reflow Temperature-Max (s):
30
Width:
3 mm
TPS3619-50DGKR Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general best practices for high-frequency PCB design, such as using a solid ground plane, minimizing trace lengths, and using vias to connect the input and output capacitors to the ground plane.
The choice of input and output capacitors depends on the specific application requirements. In general, low-ESR capacitors with high ripple current ratings are recommended. The datasheet provides guidelines for capacitor selection, but it's also recommended to consult the capacitor manufacturer's datasheet and application notes.
While the datasheet specifies an operating temperature range of -40°C to 125°C, the maximum ambient temperature for reliable operation depends on the specific application and the device's power dissipation. As a general rule, it's recommended to derate the device's power dissipation by 1% per degree Celsius above 85°C to ensure reliable operation.
To ensure EMC compliance, it's recommended to follow good design practices such as using a shielded enclosure, minimizing loop areas, and using filtering components such as ferrite beads and common-mode chokes. Additionally, the TPS3619-50DGKR has built-in EMI filtering, but it's still important to follow proper PCB layout and design practices.
While the datasheet specifies an input voltage range of 2.7V to 5.5V, the recommended input voltage range for optimal performance is typically between 3.3V and 5V. Operating the device outside of this range may affect its performance and efficiency.
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TPS3619-50DGKR Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
