tpd4113k TOSHIBA Semiconductor CORPORATION, tpd4113k Datasheet - Page 10

• Manufacturer Part Number: tpd4113k
• 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
(1)
(2)
C
1
, C
Part
C
R
C
C
C
R
biased by V
Do not exceed a detection current of 1 A when using this product.
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
DIAG pin is not used, connect to the GND.
５
2
1
4
6
7
2
the VBB power supply and the V
functions as a sensor pin for detecting over current. As a result, over voltage caused by a surge
voltage, for example, may destroy the circuit. Accordingly, be careful of handling the IC 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
Please control the input signal in the state to which the V
The RS pin connecting the current detection resistor is connected to a comparator in the IC and also
3
CC
and must be sufficiently derated for it.
Recommended Value
0.62 Ω ± 1% (1 W)
16 V/1000 pF
25 V/10 μF
25 V/2.2 μF
25 V /0.1μF
16 V/1 μF
5.1 kΩ
CC
, a protection circuit is triggered so that the current flows continuously. If the
CC
BB
power supply are not cared about either.
V
power supply is blocked when the V
V
REG
V
CC
V
FG pin pull-up resistor
REG
CC
Bootstrap capacitor
10
Current detection
power supply stability
power supply stability
for surge absorber
for surge absorber
Purpose
O
= V
R
÷ R
CC
1
(For V
voltage is steady. Both of the order of
Remarks
(Note 1)
(Note 2)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 4)
R
= 0.5 V )
BB
TPD4113K
line is disconnected by
2006-11-01