In this reference design, a Power multiplexer circuit with 2 input and 1 output is implemented on a small PCB. MOSFET gate driver ICs, eFuse ICs, zener diodes and small package MOSFETs selected from Toshiba's diverse lineup are used create ideal diode like characteristics with BBM and MBB switching.
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Circuit | Dual input and single output power source multiplexer circuit |
---|---|
Input VINA/ Input VINB | 5 V/20 V, 5 V/12 V, 9 V/20 V, 5 V/12 V, 12 V/24 V |
Output current (Max.) | 3 A to 5 A |
Design Documents contain the documents below.
Design Data contains the contents listed below.
Part Number | Device Category | Portion Usage | Description |
---|---|---|---|
Switching diode | Base board | 80 V/0.1 A Switching diode, SOD-523(ESC) | |
74HC CMOS logic IC series | Base board | Dual Monostable Multivibrator, SOIC16 | |
Zener diode | Module board | 12 V Zener Diode, SOD-323HE(US2H) | |
Zener diode | Module board | 16 V Zener Diode, SOD-323HE(US2H) | |
Zener diode | Module board | 30 V Zener Diode, SOD-323HE(US2H) | |
Zener diode | Module board | 6.8 V Zener Diode, SOD-323HE(US2H) | |
Small-signal Schottky barrier diode | Module board | 30 V/0.1 A Schottky Barrier Diode, SOD-962(SL2) | |
Bias resistor built-in transistor (BRT) | Base board | NPN Bias Resistor Built-in Transistors (BRT), 1 kΩ/10 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) | |
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 | |
Small Low ON resistance MOSFETs | Module board | N-ch MOSFET, 30 V, 15 A, 0.0089 Ω@10V, SOT-1220(UDFN6B) | |
Point regulator (single output) | Base board | 200 mA Fixed Output LDO Regulator, 4.8 V, SOT-25(SMV) | |
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), Schmitt Inverter, SOT-363(US6) | |
L-MOS SHS series (TC74LCX-equivalent) | Base board | One-Gate Logic(L-MOS), Schmitt Buffer, SOT-363(US6) | |
L-MOS SHS series (TC74LCX-equivalent) | Module board | One-Gate Logic(L-MOS), Inverter, SOT-765(US8) | |
Load switch IC | Base board | 2.7 to 28 V External MOSFET Driver IC, WCSP6E | |
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 | |
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 | |
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 | |
eFuse IC | Module board | 4.4 to 13.2 V/3.65 A eFuse IC, 53 mΩ, WSON10 | |
eFuse IC | Module board | 4.4 to 18 V/5.0 A eFuse IC, 28 mΩ, WSON10B | |
Low Dropout (LDO) Linear Voltage Regulator | Module board | High voltage, Low quiescent current, Fast load transient CMOS Linear Regulator | |
Low Dropout (LDO) Linear Voltage Regulator | Module board | High voltage, Low quiescent current, Fast load transient CMOS Linear Regulator | |
Power MOSFET (N-ch single VDSS≤30V) | Module board | N-ch MOSFET, 30 V, 0.00065 Ω@10V, SOP Advance(N), U-MOSⅨ-H | |
Power MOSFET (N-ch single 30V<VDSS≤60V) | Module board/ Base board | N-ch MOSFET, 40 V, 0.00085 Ω@10V, SOP Advance(N), U-MOSⅨ-H | |
Power MOSFET (N-ch single VDSS≤30V) | Module board | N-ch MOSFET, 30 V, 0.0016 Ω@10V, TSON Advance, U-MOSⅨ-H |