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About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

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Automotive System Power Supplies

With the increasing performance of automotive electronic devices, it is becoming essential to increase the current capability and the number of outputs of power supply ICs. To address these needs, Toshiba offers system power supply ICs with an integrated DC/DC converter. The latest addition to our portfolio of system power supply ICs, the TB9045FNG Series, is ideal for power supply applications for electronic power steering systems that require an extremely high level of safety.

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Automotive System Power Supplies

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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
CPU voltage regulator,
watchdog timer
5 200 50 2.8
  • Low current consumption: 30 µA (typ.)
  • WDT OFF function
  • Reset detection 4.7 V / 4.2 V (selectable)
  • Integrated output transistors
TSSOP16 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
*: Under Development, WDT: Watch-dog timer, POR: Power-on-reset
* System and product names mentioned herein may be trademarks or registered trademarks of respective companies or organizations.

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