System Power Supply ICs

As an increasing number of electronic devices find their way into automobiles, it is becoming an urgent requirement to reduce their operating current. To address this need, Toshiba offers the TB900x low-standby-current system power supply IC series featuring industry-leading operating current.

Product Introduction

TB9004FNG:a System Power Supply IC with Low Standby Current

Ideal for engine, brake and EPS control systems

Two constant-voltage outputs for high-performance, high-end microcontrollers
Output 1: Selectable from 3.4 V, 2.5 V and 1.5 V via the VSEL and 1/2 pins
Output 2: 5 V
Two reset outputs for two microcontrollers
Low standby current in STOP mode for prolonged battery life
Separate current limiters for each power supply
Designed for automotive applications
Operating temperature range: -40 to 125℃
Package: SSOP24-P-300-0.65A

This figure lists the application example of the TB9004FNG:a System Power Supply IC with Low Standby Current.

the block diagram of the TB9004FNG

Product Lineup

Part Number	Package	Functions	Characteristics				Remarks	Supply Voltage (V)
Part Number	Package	Functions	Output Voltage Typ. (V)	Output Current (mA)	Input Voltage Max (V)	Power Dissipation Max (W)	Remarks	Supply Voltage (V)
TB9000FG	SSOP16-P-225-1.00A	CPU voltage regulator, watchdog timer	5.0	10 (Max)	45 (1 sec.)	0.6	Low current consumption: 120 µA (typ.) Watchdog timer enable/disable Reset detection: 4.7 V External transistor required	6 to 16
TB9000AFG	SSOP16-P-225-1.00A	CPU voltage regulator, watchdog timer	5.0	10 (Max)	45 (1 sec.)	0.6	Low current consumption: 120 µA (typ.) Watchdog timer enable/disable Reset detection: 4.2 V External transistor required	6 to 16
TB9000CFNG	SSOP20-P-225-0.65A	CPU voltage regulator, watchdog timer	5.0	10 (Max)	45 (1 sec.)	0.6	Low current consumption: 120 µA (typ.) Watchdog timer enable/disable Reset detection: 4.7 V External transistor required	6 to 16
TB9001FNG	SSOP20-P-225-0.65A	CPU voltage regulator, watchdog timer	5.0	5 (Max)	45 (1 sec.)	0.6	Low current consumption: 95 µA (typ.) Internal 32-kHz clock External transistor required	6 to 16
TB9004FNG	SSOP24-P-300-0.65A	CPU voltage regulator, watchdog timer	3.4/2.5/1.5 5.0	10 10 (Min)	45 (1 sec.)	0.85	Low current consumption: 0 µA (V_CC1/2: off) (typ.) 3.4/2.5/1.5 V selectable 2 reset pins External transistor required	6 to 16
TB9005FNG *1	SSOP20-P-225-0.65A	CPU voltage regulator, watchdog timer	5.0	10 (Min)	45 (1 sec.)	0.6	Low current consumption: 90 µA (typ.) Watchdog timer enable/disable Reset detection: 4.7 V or 4.2 V (selectable) External transistor required	6 to 18
TB9041FTG *1	QFN36-P-0606-0.50	CPU voltage regulator Switching power supply and series regulator On-chip watchdog timer	3.3/1.5/1.2 5.0 5.0	200 400 100 (Max)	40 (1 sec.)	0.85	Low current consumption: 0 µA (typ.) (SWReg/LDO1/LDO2/LDO3: OFF) Selectable from 3.3 V, 1.5 V and 1.2 V. Two reset pins On-chip output driver (Use of external transistors is also supported.)	7 to 18

*1: Under development

Application Examples

Toshiba offers a variety of microcontrollers and system power supply ICs suitable for car safety systems such as anti-lock braking systems(ABS) and airbags.

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