TPD4104AK TOSHIBA Semiconductor CORPORATION, TPD4104AK Datasheet - Page 10

• Manufacturer Part Number: TPD4104AK
• Description: Toshiba Intelligent Power Device High Voltage Monolithic Silicon Power Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

External Parts
Handling precautions
Standard 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: The following formula shows the detection current: I
Note 3: When using this product, some adjustment is required in accordance with the use environment. When
Note 4: The DIAG pin is open drain. Note that when the DIAG pin is connected to a power supply with a voltage
Please control the input signal in the state to which the V
The excess voltage such as the voltage serge which exceed the maximum rating is added, for example, may
C
1
, C
Part
C
R
C
C
C
R
biased by V
Do not exceed a detection current of 2 A when using this product.
(Please go from the outside in the over current protection.)
mounting, place as close to the base of this product leads as possible to improve the ripple and noise
elimination.
higher than or equal to the V
using the DIAG pin, connect to the GND.
５
2
1
4
6
7
3
power supply and the V
destroy the circuit. Accordingly, be careful of handling this product or of surge voltage in its
application environment.
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
a relay or similar while the motor is still running.
, C
3
CC
and must be sufficiently derated for it.
Recommended Value
0.62 Ω ± 1% (1 W)
16 V/1000 pF
25 V/2.2 μF
25 V/0.1 μF
25 V/10 μF
16 V/1 μF
5.1 kΩ
CC
CC
power supply are not cared about either.
, a protection circuit is triggered so that the current flows continuously. If not
BB
V
power supply is blocked when the V
V
REG
V
DIAG pin pull-up resistor
CC
V
REG
CC
Bootstrap capacitor
10
Current detection
power supply stability
power supply stability
for surge absorber
for surge absorber
Purpose
O
= V
CC
R
÷ RIS (For V
voltage is steady. Both of the order of the VBB
Remarks
(Note 1)
(Note 2)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 4)
R
= 0.5 V)
BB
line is disconnected by
TPD4104AK
2005-01-31