TPD4121K TOSHIBA Semiconductor CORPORATION, TPD4121K Datasheet - Page 20

• Manufacturer Part Number: TPD4121K
• Description: Toshiba Intelligent Power Device High Voltage Monolithic Silicon Power Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

V
V
CC
BS
Note: Sweeps the V
Under-voltage Protection Operating/Recovery Voltage (U-phase high side)
Under voltage Protection Operating/Recovery Voltage (U-phase low side)
Note: Sweeps the BSU pin voltage from 15 V to decrease and monitors the V
The V
Also sweeps from 6 V to increase. The V
protection recovery voltage.
voltage when output is off defines the under voltage protection operating voltage. Also sweeps the
BSU pin voltage from 6V to increase and change the HU pin voltage at 5V → 0V→ 5V each time. It
repeats similarly output is on. The BSU pin voltage when output is on defines the under voltage
protection recovery voltage.
CC
pin voltage when output is off defines the under-voltage protection operating voltage.
CC
pin voltage from 15 V and monitors the U pin voltage.
2 kΩ
VM
CC
20
1000 pF
1000 pF
pin voltage when output is on defines the under voltage
27
kΩ
27
kΩ
2 kΩ
VM
BB
pin voltage. The BSU pin
TPD4121K
2.5 V
HU+ = 0 V
HV+ = 5 V
HW+ = 0 V
V
V
V
2.5 V
HU+ = 5 V
HV+ = 0 V
HW+ = 0 V
V
V
BSU = 15 V → 6 V
U = 18 V
CC
S
BB
CC
S
2008-08-13
= 6.1 V
= 6.1 V
= 18 V
= 15 V → 6 V
= 15 V
6 V → 15 V
6 V → 15 V