TPD4124AK TOSHIBA Semiconductor CORPORATION, TPD4124AK Datasheet - Page 11

• Manufacturer Part Number: TPD4124AK
• Description: High Voltage Monolithic Silicon Power Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

External Parts
Handling precautions
Typical external parts are shown in the following table.
Note 1: The required bootstrap capacitance value varies according to the motor drive conditions. The capacitor is
Note 2: When using this product, adjustment is required in accordance with the use environment. When mounting,
Note 3: The DIAG pin is open drain. If not using the DIAG pin, connect to the GND.
C
1
(1) Please control the input signal in the state to which the V
(2) The excess voltage such as the voltage surge which exceed the maximum rating is added, for example,
, C
Part
C
C
C
C
R
R
biased by V
place as close to the base of this product leads as possible to improve the ripple and noise elimination.
2
4
5
6
7
1
2
, C
power supply and the V
Note that if the power supply is switched off as described above, this product may be destroyed if the
current regeneration route to the V
or similar while the motor is still running.
may destroy the circuit. Accordingly, be careful of handling this product or of surge voltage in its application
environment.
3
CC
and must be sufficiently derated for it.
25 V/1000 pF
25 V/2.2 μF
25 V/0.1 μF
25 V/10 μF
25 V/1 μF
Typical
5.1 kΩ
10 kΩ
CC
power supply are not cared about either.
BB
power supply is blocked when the V
V
V
REG
V
DIAG pin pull-up resistor
CC
V
SD pin pull-up resistor
REG
CC
Bootstrap capacitor
power supply stability
power supply stability
11
for surge absorber
for surge absorber
Purpose
CC
voltage is steady. Both of the order of the V
Remarks
(Note 1)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 3)
⎯
BB
line is disconnected by a relay
TPD4124AK
2008-11-26
BB