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:
2
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
TPS3620-50DGKR Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general guidelines for high-frequency switching regulators, such as keeping the power traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the device.
The output voltage accuracy of the TPS3620-50DGKR can be calculated by considering the internal voltage reference accuracy, the resistor tolerance, and the output voltage divider ratio. The datasheet provides a formula to calculate the output voltage accuracy, which is typically around ±2%.
The TPS3620-50DGKR has an absolute maximum input voltage rating of 18V, but the recommended maximum input voltage is 15V to ensure reliable operation and to prevent damage to the device.
The TPS3620-50DGKR has an operating junction temperature range of -40°C to 125°C, but the device's performance and reliability may degrade at high temperatures. It's recommended to follow the thermal design guidelines in the datasheet and to consider using a heat sink or thermal management techniques to keep the device within its recommended operating temperature range.
To troubleshoot issues with the TPS3620-50DGKR, follow a systematic approach, starting with checking the input voltage, output voltage, and current. Verify that the device is properly soldered and that the PCB layout is correct. Use an oscilloscope to check for voltage ripple, noise, or oscillations. Consult the datasheet and application notes for troubleshooting guidelines and common pitfalls to avoid.
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TPS3620-50DGKR 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.
