Automotive USB Power Charger

Automotive USB Power Charger

Such as reduction of power supply and signal noise and reduction of power consumption are important in designing USB power charger. Toshiba provides information on a wide range of semiconductor products suitable for circuit for cigar socket or accessory circuits, etc., along with circuit configuration examples.

Overall block diagram

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 Buck-Boost Controller Circuit Buck-BoostController Circuit Buck-Boost Buck-Boost Switch Switch Buck Converter Circuit Buck Converter Circuit MCU MCU PMIC (Power Management IC) PMIC(Power Management IC) USB PD Controller Circuit USB PD Controller Circuit Vout (USB-C®) Vout (USB-C®) Vout (USB-A) Vout (USB-A) Vin 12 V Vin12 V USB power charger circuit
USB power charger circuit

Example of USB power charger circuit for a cigar socket type

Example of USB power charger circuit for an accessory type

Sub block diagram

USB power charger circuit
Circuit for cigar socket type

Example of USB power charger circuit for a cigar socket type

Example of USB power charger circuit for a cigar socket type
U-MOS Series 40 V N-ch MOSFET
Part Number
Toshiba Package Name TSON Advance(WF) DPAK_plus SOP Advance(WF) DSOP Advance(WF)L S-TOGL L-TOGL
VDSS (Max) [V] 40 40 40 40 40 40
ID (Max) [A] 40 120 150 150 200 400
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0038 0.00135 0.00079 0.00079 0.00066 0.00030
Polarity N-ch N-ch N-ch N-ch N-ch N-ch
TVS diode (for high speed communication)
Part Number
Toshiba Package Name SOD-923 SOD-923
VESD (Max) [kV] +/-20 +/-20
IR (Max) [µA] 0.1 0.1
Rdyn (Typ.) [Ω] 0.35 0.35
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 0.45 0.45
U-MOS series -40V / -60V P-ch MOSFET
Part Number
Toshiba Package Name TSON Advance(WF) SOP Advance(WF) SOP Advance(WF) DPAK_plus
VDSS (Max) [V] -40 -40 -60 -40
ID (Max) [A] -40 -100 -90 -90
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0096 0.0031 0.0083 0.0043
Polarity P-ch P-ch P-ch P-ch
General purpose small signal bipolar transistor
Part Number
Toshiba Package Name SSM SSM USM USM S-Mini S-Mini
VCEO (Max) [V] -50 50 50 -50 50 -50
IC (Max) [mA] -0.15 0.15 0.15 -0.15 0.15 -0.15
Polarity PNP NPN NPN PNP NPN PNP
Small signal bias resistor built-in transistor (BRT)
Part Number
Toshiba Package Name ES6 ES6 US6 US6
VCEO (Q1) (Max) [V] 50 -50 50 -50
VCEO (Q2) (Max) [V] 50 -50 50 -50
IC (Q1) (Max) [mA] 0.1 -0.1 0.1 -0.1
IC (Q2) (Max) [mA] 0.1 -0.1 0.1 -0.1
Polarity (Q1) NPN PNP NPN PNP
Polarity (Q2) NPN PNP NPN PNP
Circuit for accessory type

Example of USB power charger circuit for an accessory type

Example of USB power charger circuit for an accessory type
U-MOS Series 40 V N-ch MOSFET
Part Number
Toshiba Package Name TSON Advance(WF) DPAK_plus SOP Advance(WF) DSOP Advance(WF)L S-TOGL L-TOGL
VDSS (Max) [V] 40 40 40 40 40 40
ID (Max) [A] 40 120 150 150 200 400
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0038 0.00135 0.00079 0.00079 0.00066 0.00030
Polarity N-ch N-ch N-ch N-ch N-ch N-ch
TVS diode (for CAN communication)
Part Number
Toshiba Package Name USM USM USM
VESD (Max) [kV] +/-30 +/-25 +/-20
IR (Max) [µA] 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.8 1.1 1.5
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 9 9 6.5
TVS diode (for high speed communication)
Part Number
Toshiba Package Name SOD-923 SOD-923
VESD (Max) [kV] +/-20 +/-20
IR (Max) [µA] 0.1 0.1
Rdyn (Typ.) [Ω] 0.35 0.35
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 0.45 0.45
Semi-power MOSFET
Part Number
Toshiba Package Name TSOP6F TSOP6F TSOP6F TSOP6F
VDSS (Max) [V] 100 60 40 -40
ID (Max) [A] 3.5 6.0 12 -7
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.092 0.051 0.018 0.048
Polarity N-ch N-ch N-ch P-ch
General purpose small signal bipolar transistor
Part Number
Toshiba Package Name SSM SSM USM USM S-Mini S-Mini
VCEO (Max) [V] -50 50 50 -50 50 -50
IC (Max) [mA] -0.15 0.15 0.15 -0.15 0.15 -0.15
Polarity PNP NPN NPN PNP NPN PNP
Small signal bias resistor built-in transistor (BRT)
Part Number
Toshiba Package Name ES6 ES6 US6 US6
VCEO (Q1) (Max) [V] 50 -50 50 -50
VCEO (Q2) (Max) [V] 50 -50 50 -50
IC (Q1) (Max) [mA] 0.1 -0.1 0.1 -0.1
IC (Q2) (Max) [mA] 0.1 -0.1 0.1 -0.1
Polarity (Q1) NPN PNP NPN PNP
Polarity (Q2) NPN PNP NPN PNP

Solution Proposal

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Reference Design

Automotive Buck-Boost DC-DC Converter for USB PD
This reference design provides design guide, data and other contents of Automotive Buck-Boost DC-DC Converter for USB PD.
3-phase BLDC Motor Drive Applications (U-phase) of 3-phase bridge drive circuit for automotive and industrial BLDC motors.
3-phase bridge drive circuit for automotive and industrial BLDC motors
This reference design provides examples of application circuit and simulation for TPD7212F / FN which features overcurrent protection, reverse power connection protection and others.
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Switched Mode Power Supply Library

you can select and download various basic topologies of a power supply unit based on your actual requirements in order to verify the behavior of MOSFETs with your simulation environment.

Motor Control and Driver Circuit Library

you can select and download various basic topologies of motor driver such as three-phase inverter circuit based on your actual requirements in order to verify the behavior of MOSFETs and another devices for your simulation environment.

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MCU Motor Studio features a PC Tool and motor control firmware dedicated to the TXZ+TM Family Advanced Class microcontrollers from Toshiba.

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