Voltage Controllers

Voltage controllers are electronic devices which help to keep a consistent voltage within a circuit. They are commonly used in electronic devices and are designed to help provide voltage management.

They are similar to Voltage regulators in that they control the voltage output. However, voltage controllers are able to create different outputs, such as a variable voltage, or they may act as a switch to divert the power. Voltage controllers convert a fixed voltage input to have variable voltage in output delivered to a resistive load. Similar to voltage converters, voltage controllers include all of the controlling circuitry, but do not include the passive components.

Voltage controllers have a current conversion type, which is AC-DC or DC-DC. AC-DC takes an AC power input and converts it to a DC output voltage.

Types of Voltage Controller:

  • Boost Controller
  • Buck Controller
  • Flyback Controller
  • PWM Controller
  • Step-Down Voltage Controller

Voltage controllers are ICs which come in a semiconductor package. This includes TSSOP, SOIC, SOT-23 and QFN.

Where are voltage controllers used?

Voltage controllers are often used to help drive MOSFETs. They are used in most applications which require power, and some form of voltage management. For example, battery powered devices, power supply units (PSUs) or chargers, computers, automotive and telecommunications.


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Description Price Controller Type Number of Outputs Current Conversion Type Maximum Switching Frequency Width Mounting Type Package Type Pin Count Dimensions Length Height Maximum Input Voltage Maximum Operating Temperature Maximum Output Current
RS Stock No. 178-8826
Mfr. Part No.TL1451ACPWR
$3.40
Each (In a Tube of 90)
units
- - - 500 kHz 4.5mm Surface Mount TSSOP 16 5.1 x 4.5 x 1.05mm 5.1mm 1.05mm - +85 °C -
RS Stock No. 168-4093
Mfr. Part No.TPS40210DGQ
$3.392
Each (In a Tube of 80)
units
- - - - 3mm Surface Mount HTSSOP 10 3 x 3 x 1.02mm 3mm 1.02mm 52 V +125 °C -
RS Stock No. 709-3204
Mfr. Part No.TPS40210DGQ
$3.75
Each
units
Boost Controller - DC-DC - - Surface Mount HTSSOP 10 3 x 3 x 1.02mm - - 52 V +125 °C -
RS Stock No. 824-6923
Mfr. Part No.LM5050MK-2/NOPB
$3.308
Each (In a Pack of 5)
units
OR-ing FET Controller 1 DC-DC - - Surface Mount SOT-23 6 3.05 x 1.75 x 1mm - - 75 V +125 °C 265µA
RS Stock No. 851-6796
Mfr. Part No.LTC4364IMS-2#PBF
$15.37
Each
units
Hot Swap Controller - - - - Surface Mount MSOP 16 4.039 x 3 x 0.86mm - - - +85 °C -
RS Stock No. 102-5708
Mfr. Part No.LM3478MM/NOPB
$2.447
Each (On a Reel of 1000)
units
MOSFET Power Controller 1 DC-DC - - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 40 V +125 °C -
RS Stock No. 146-0164
Mfr. Part No.MCP1640B-I/MC
BrandMicrochip
$0.741
Each (In a Tube of 150)
units
Boost Controller 1 DC-DC 575 kHz - Surface Mount DFN 8 3 x 2 x 0.95mm - - 5.5 V +85 °C 350mA
RS Stock No. 162-8189
Mfr. Part No.LM25118MH/NOPB
$7.87
Each (In a Tube of 73)
units
Boost Controller, Buck Controller 1 DC-DC 575 kHz - Surface Mount HTTSOP 20 6.5 x 4.4 x 0.9mm - - 42 V +125 °C 4A
RS Stock No. 714-0653
Mfr. Part No.L6565D
$1.37
Each (In a Pack of 2)
units
- 1 - - 4mm Surface Mount SOIC 8 - 5mm 1.25mm - +150 °C -
RS Stock No. 724-0533
Mfr. Part No.MCP1640B-I/MC
BrandMicrochip
$0.982
Each (In a Pack of 5)
units
Boost Controller 1 DC-DC 575 kHz - Surface Mount DFN 8 3 x 2 x 0.95mm - - 5.5 V +85 °C 350mA
RS Stock No. 145-9202
Mfr. Part No.L6565D
$1.259
Each (In a Tube of 30)
units
- - DC-DC - - Surface Mount SOIC 8 5 x 4 x 1.25mm - - - +150 °C -
RS Stock No. 912-9611
Mfr. Part No.ADP1864AUJZ-R7
$2.951
Each (On a Reel of 3000)
units
Buck Controller 1 DC-DC 650 kHz - Surface Mount TSOT 6 2.9 x 1.6 x 0.9mm - - 14 V +125 °C 5A
RS Stock No. 161-2610
Mfr. Part No.NCP4305DDR2G
$1.089
Each (On a Reel of 2500)
units
Synchronous Rectifier Controller 1 AC-DC 500 kHz - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 9.4 V +125 °C 8A
RS Stock No. 146-3240
Mfr. Part No.MIC2128YML-T5
BrandMicrochip
$2.51
Each (On a Reel of 500)
units
Buck Controller 1 DC-DC 800 kHz - Surface Mount VQFN 16 3 x 3 x 0.8mm - - 75 V +125 °C 10mA
RS Stock No. 850-7950
Mfr. Part No.ADP196ACBZ-R7
$2.38
Each (In a Pack of 5)
units
Hot Swap Controller 1 - - - Surface Mount WLCSP 6 1.5 x 1 x 0.38mm - - 1.8 V +85 °C -
RS Stock No. 205-2442
Mfr. Part No.NCP4390DR2G
$3.658
Each (In a Pack of 5)
units
PFM Controller 1 DC-DC 690 kHz - Surface Mount SOIC 16 - - - - - -
RS Stock No. 161-2611
Mfr. Part No.NIS5232MN1TXG
$0.59
Each (On a Reel of 3000)
units
Power Conversion 1 AC-DC 1 MHz - Surface Mount DFN 10 3 x 3 x 0.95mm - - 18 V +150 °C -
RS Stock No. 822-9987
Mfr. Part No.LT3845AEFE#PBF
$13.00
Each
units
Current Mode Step Down Controller 1 DC-DC 600 kHz - Surface Mount TSSOP 16 5.1 x 4.5 x 1.1mm - - 60 V +125 °C 30µA
RS Stock No. 145-6443
Mfr. Part No.TPS2421-2DDA
$3.72
Each (In a Tube of 75)
units
Positive Voltage Hot Swap Controller 1 - - - Surface Mount SOIC 8 5 x 4 x 1.55mm - - 20 V +125 °C -
RS Stock No. 761-9119
Mfr. Part No.LTC1643ALCGN#PBF
$15.52
Each
units
Hot Swap Controller 2 - - - Surface Mount SSOP 16 4.978 x 3.988 x 1.478mm - - - +70 °C -