Datasheet TB9045FNG-125 (Toshiba) - 2

TB9045FNG-125
2. Block diagram +B
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0.1µF 0.1µF 1µF
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47µF
2.2
VB3 BSTOFF VB2 VB1
2.5
VDD DC1SW1 DCDC1 DC1SW2 VB RV PGND1 LDET VBG2 D ovd 1 VDD DC DC1G2 uvd DC TSD1 ocd IGN_IN DC1FB CAN_IN WAKEUP 4.7
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µF 47µF MCU_IN DC1Css 0.01µF VDD VDD ovd RV DCDC2 DC2IN 1µF D VDD TSD2 DC2SW DD RV V uvd D 2 ovd PGND2 DC DC uvd DC2FB ocd DC2FBs LDO1 VBG1 VBG2 20µF VDDL DC2Css VDD VDD LDOIO 0.047µF ovd LDOIO RV LDO1IN SDIN D uvd LDO1 1 LDO1 O SDOUT LD ocd SPI SCLK 4.7µFx2 ERROR NSCS Logic ovd TR1 NDIAG RV uvd TR1 D 1 1µFx2 ocd TR OSC TR2 LDOIO ovd RV CK uvd TR2 D 2 1µFx2 WDT WS LDOIO ocd TR OSC LDOIO TR3 NRST1 ovd Freq.moni RV uvd TR3 D 1µFx2 NRST2 3 POR VDD ocd TR 0.068µF TC AGND1 TEST1 AGND2
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TEST2 TEST1/2/3/4 ovd : Over Voltage Detection uvd : Under Voltage Detection TEST3 ocd : Over Current Detection TEST4
Note: The block diagram may show some of the functional blocks, circuits, or constants in abbreviated or simplified format for clarity in describing the relevant features. © 2015-2019 2018-06-04 Toshiba Electronic Devices & Storage Corporation 2