Automotive System Power Supplies ICs

Along with the electronic devices of the vehicle is high performance for example EPS, it becomes necessary for power supply ICs to correspond to large currents outputs, multiple outputs, and functional safety. Toshiba has various of power management ICs with a DC-DC converter and functional safety and provides automotive solutions with high reliability to satisfy the customers demand specification.

Lineup

System Power Supply ICs (Series Power Supplies)

Part Number Functions Output
Voltage Typ. (V)		 Output
Current (mA)		 Input
Voltage
Max (V)		 Power
Dissipation
Max (W)		 Remarks Package Supply
Voltage
(V)		 Rel
Level
CPU voltage regulator,
watchdog timer		 5 Depends
on ext. Tr.		 45
(1 sec.)		 0.68
  • Low current consumption: 90 µA (typ.)
  • WDT OFF function
  • Reset detection 4.7 V / 4.2 V (selectable)
  • External transistor required
 SSOP20 6 to 18 AEC-Q100
qualified

System Power Supply ICs (DC-DC Converter Power Supply)

Part Number Functions Output
Voltage Typ. (V)		 Output
Current (mA)		 Input
Voltage
Max (V)		 Power
Dissipation
Max (W)		 Remarks Package Supply
Voltage
(V)		 Rel.
Level
CPU voltage regulator
DC-DC converter & LDO
Watchdog timer
On-chip SPI		 5
5
5
5		 400
100
100
100		 40
(1 sec.)		 3.84
  • DC-DC converter
  • Four low-dropout (LDO) regulators
  • Voltage monitor, POR, WDT
  • SPI (error information output)
  • 5-V series power supply (with a 400-mA driver)
  • 5-V tracking power supply (with three 100-mA driver channels)
 HTSSOP48 2.7 to 18 AEC-Q100
qualified
CPU voltage regulator
DC-DC converter & LDO
Watchdog timer
On-chip SPI		 1.1/1.2/1.25/1.5
5
5
5
5		 800
400
100
100
100		 40
(1 sec.)		 3.84

 

  • 2DC-DC converter
  • Four low-dropout (LDO) regulators
  • Voltage monitor, POR, WDT
  • SPI (error information output)
  • 5-V series power supply (with a 400-mA driver)
  • 5-V tracking power supply (with three 100-mA driver channels)

 
HTSSOP48
 2.7 to 18 AEC-Q100
qualified

* WDT: Watch-dog timer, POR: Power-on-reset

Technical Articles

Automotive Devices / Analog Devices / Automotive System Power Supplies ICs

TB9044AFNG Overview
Low-voltage operation (VB: 2.7V～), 3ch Power Supply for Sensors Safety mechanisms suitable for ASIL D systems

Automotive Devices / Analog Devices / Automotive System Power Supplies ICs

TB9045FNG Series Overview
Low-voltage operation (VB: 2.7V～), 3ch Power Supply for Sensors Available with an output voltage of 1.1, 1.2 , 1.25 and 1.5 for MCU Core Safety mechanisms suitable for ASIL D systems

Applications

Automotive Electric Pump (Water/Oil)
Such as ensuring tolerance to motor lock current and reduction of power consumption are important in electric pump (water/oil). Toshiba provides information on a wide range of semiconductor products suitable for motor drive unit, power supply unit, etc., along with circuit configuration examples.
Details
Automotive HVAC
Such as ensuring tolerance to motor lock current and reduction of power consumption are important in designing HVAC. Toshiba provides information on a wide range of semiconductor products suitable for motor drive units, power supply units, etc., along with circuit configuration examples.
Details
Electric Power Steering
Such as ensuring tolerance to motor lock current and reduction of power consumption are important in designing electric power steering. Toshiba provides information on a wide range of semiconductor products suitable for motor drive units, power supply units, etc., along with circuit configuration examples.
Details
Head-up Display (HUD)
Such as reduction of noise on signal line, reduction of power consumption and miniaturization are important in designing head-up display. Toshiba provides information on a wide range of semiconductor products suitable for motor drive units, power supply units, etc., along with circuit configuration examples.
Details

Reference Design

Photo of Matrix LED Headlight
Matrix LED Headlight
This reference design provides design guide, data and other contents of LED Matrix Headlight. It controls the lighting of multiple LEDs independently according to the situation.
Details

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