TC78B025FTG
Features
- 1-hall sine-wave PWM drive
- Built-in closed loop speed control, configurable speed curve
- Low on resistance: RDS(H+L)=0.2 Ω (typ.)
- Driving current: 3.5 A max (peak)
- Operating voltage range: 4.5 to 16 V
- Serial interface
- Standby mode
- Soft start
- Built-in protection circuits:
Thermal shutdown (TSD), Under voltage lockout (UVLO), Over voltage protection (OVP), Under voltage protection for charge pump, Over current protection (ISD), Output current limit protection (OCP), and Lock detection protection.
© 2018
Toshiba Electronic Devices & Storage Corporation
2018-02-14
4. Block Diagram
VREG GND
5V
UVLO ISD
Charge Pump
OCP TSD
ALERT FG SPD
Control Logic
SDO SDI SCK
Nonvolatile Memory (NVM)
Serial I/F
Gate Driver
Position Detect
PGND HP HM
Figure 4.1 Block Diagram
Note: Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purposes.
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