Power Multiplexer Circuit Using Common-Drain MOSFET

This power multiplexer circuit with 2 inputs and 1 output is realized on a small board. A new power multiplexer circuit usign common-drain MOSFET has been added to the already developed power multiplexer circuit reference design. These reference circuits allow switching between BBM and MBB modes by combining optimal devices such as MOSFET gate driver ICs and zener diodes from our diverse product lineup.

PCB photo example of Power multiplexer circuit
PCB photo example
CUHZ24V CUHZ24V DSF01S30SL DSF01S30SL DSF01S30SL TCR1HF50B TCR1HF50B CUHZ12V CUHZ12V SSM3K15ACTC SSM3K15ACTC TCK424G TCK424G SSM3K15ACTC SSM10N961L SSM10N961L SSM10N961L SSM10N961L TCK421G TCK421G SSM3K72CTC SSM3K72CTC TC75S70L6X TC7WZ04FK TC75S70L6X TC7WZ04FK

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特性

  • 2 × 2 cm small board mounted, 2 input 1 output power multiplexer circuit
  • Uses common-drain MOSFET (SSM10N961L)
  • Switches between 20 V and 9 V inputs, and output current is 3 A (Max.)
  • Supports switching of various power supply systems such as USB power delivery, fast charging, and wireless power supply
  • MBB (Make-Before-Break), BBM (Break-Before-Make) operation switchable

說明

Circuit Dual input and single output power source multiplexer circuit
Input VINA/ Input VINB 9 V/20 V
Output current (Max.) 3 A
MBB Wave form example of Power multiplexer circuit (MUX6)
MBB Wave form example

設計文件

供設計人員使用的材料，例如電路操作概述和設計注意事項的解釋。請點擊每個選項以查看內容。

設計數據

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使用東芝項目/產品

器件型號 器件目錄 使用部位・數量 說明
Zener diode Module board 12 V Zener Diode, SOD-323HE(US2H)
Zener diode Module board 24 V Zener Diode, SOD-323HE(US2H)
Small-signal Schottky barrier diode Module board 30 V/0.1 A Schottky Barrier Diode, SOD-962(SL2)
Small-signal MOSFET Module board N-ch MOSFET, 30 V, 0.1 A, 3.6 Ω@4V, CST3C
Small-signal MOSFET Module board N-ch MOSFET, 60 V, 0.15 A, 3.9 Ω@10V, CST3C
Power MOSFET (N-ch dual) Module board N-ch x 2 Common-drain MOSFET, 30 V, 14.0 A, 9.9 mΩ@10 V, TCSPAG-341501
Comparator (CMOS) Module board Single Comparator (CMOS), 5.5 V, +/-2.75 V, MP6C
L-MOS SHS series (TC74LCX-equivalent) Module board One-Gate Logic(L-MOS), Inverter, SOT-765(US8)
Load switch IC Module board 2.7 to 28 V External MOSFET Driver IC, WCSP6G
Load switch IC Module board 2.7 to 28 V External MOSFET Driver IC, WCSP6G
Low Dropout (LDO) Linear Voltage Regulator Module board High voltage, Low quiescent current, Fast load transient CMOS Linear Regulator
Power MOSFET (N-ch single 30V<VDSS≤60V) Base board N-ch MOSFET, 40 V, 0.00085 Ω@10V, SOP Advance(N), U-MOSⅨ-H
Load switch IC Base board 2.7 to 28 V External MOSFET Driver IC, WCSP6E
L-MOS SHS series (TC74LCX-equivalent) Base board One-Gate Logic(L-MOS), Schmitt Buffer, SOT-363(US6)
74HC CMOS logic IC series Base board Dual Monostable Multivibrator, SOIC16
Point regulator (single output) Base board 200 mA Fixed Output LDO Regulator, 4.8 V, SOT-25(SMV)
Bias resistor built-in transistor (BRT) Base board NPN Bias Resistor Built-in Transistors (BRT), 47 kΩ/47 kΩ, SOT-723(VESM)
Bias resistor built-in transistor (BRT) Base board PNP Bias Resistor Built-in Transistors (BRT), 10 kΩ/10 kΩ, SOT-723(VESM)
Switching diode Base board 80 V/0.1 A Switching diode, SOD-523(ESC)

相關文件

我們提供有助於設計和考慮類似電路的材料，例如已安裝產品的應用說明。請點擊每個選項以查看內容。

相關參考設計

Power multiplexer circuit

應用

Tablet Device
Such as low power consumption and miniaturization are important in designing tablet device. Toshiba provides information on a wide range of semiconductor products suitable for power supply management units, sensor signal input units, display units, over temperature monitoring unit, etc., along with circuit configuration examples.
詳細資料
Smart Watch
Such as low power consumption and miniaturization are important in designing smart watch. Toshiba provides information on a wide range of semiconductor products suitable for power supply and charge management units, sensor signal input units, display units, etc., along with circuit configuration examples.
詳細資料
Action Camera
Such as low power consumption and miniaturization are important in designing action camera. Toshiba provides information on a wide range of semiconductor products suitable for power supply and charge management units, RF circuit units, display unit, etc., along with circuit configuration examples.
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