ALSO OPERATES AT 5.03V OUTPUT, ALSO OPERATES IN ADJUSTABLE MODE FROM 1 TO 12V
Analog IC - Other Type:
DUAL SWITCHING CONTROLLER
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
32 V
Input Voltage-Min:
4.5 V
Input Voltage-Nom:
12 V
JESD-30 Code:
S-PQCC-N32
JESD-609 Code:
e4
Length:
5 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Outputs:
2
Number of Terminals:
32
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
20 A
Output Voltage-Max:
12 V
Output Voltage-Min:
1 V
Output Voltage-Nom:
3.3 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVQCCN
Package Shape:
SQUARE
Package Style:
CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
0.8 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
1000 kHz
Technology:
BICMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Width:
5 mm
TPS51222RTVR Frequently Asked Questions (FAQs)
Texas Instruments recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern around the device's thermal pad. A 4-layer PCB with a dedicated thermal layer can also be used. Refer to the TPS51222RTVR's thermal design guide for more detailed information.
To ensure output voltage accuracy, use a high-precision external resistor divider network, and ensure that the resistors have a low temperature coefficient (e.g., 1% or better). Additionally, consider using a voltage reference with a low temperature coefficient, such as the TPS51222RTVR's internal voltage reference.
The recommended input capacitor value is 10uF to 22uF, with an X5R or X7R dielectric type. This ensures stable operation and minimizes the risk of oscillation. A larger input capacitor can be used, but it may increase the startup time and reduce the available output current.
Use an external overvoltage protection (OVP) circuit, such as a zener diode or a dedicated OVP IC, to prevent damage from voltage transients. For undervoltage protection, use a voltage supervisor or a reset IC to monitor the output voltage and reset the system if the voltage falls outside the specified range.
The recommended output capacitor value is 10uF to 22uF, with an X5R or X7R dielectric type. This ensures stable operation and minimizes the risk of oscillation. A larger output capacitor can be used, but it may increase the startup time and reduce the available output current.
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TPS51222RTVR 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.
