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PDF TPD4123AK Data sheet ( Hoja de datos )
| Número de pieza | TPD4123AK | |
| Descripción | Intelligent Power Device High Voltage Monolithic Silicon Power IC | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TPD4123AK (archivo pdf) en la parte inferior de esta página. Total 23 Páginas | ||
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TOSHIBA Intelligent Power Device
High Voltage Monolithic Silicon Power IC
TPD4123AK
TPD4123AK
www.DataSheet4U.com
The TPD4123AK is a DC brush less motor driver using high
voltage PWM control. It is fabricated by high voltage SOI process.
It is three-shunt resistor circuit for current sensing. It contains
level shift high-side driver, low-side driver, IGBT outputs, FRDs
and protective functions for under voltage protection circuits and
thermal shutdown circuit. It is easy to control a DC brush less
motor by just putting logic inputs from a MPU or motor controller
to the TPD4123AK.
Features
HDIP26-P-1332-2.00
Weight: 3.8 g (typ.)
• High voltage power side and low voltage signal side terminal are separated.
• It is the best for current sensing in three shunt resistance.
• Bootstrap circuit gives simple high-side supply.
• Bootstrap diodes are built in.
• A dead time can be set as a minimum of 1.4μs, and it is the best for a Sine-wave from drive.
• 3-phase bridge output using IGBTs.
• FRDs are built in.
• Included under voltage protection and thermal shutdown.
• The regulator of 7V (typ.) is built in.
• Package: 26-pin DIP.
This product has a MOS structure and is sensitive to electrostatic discharge. When handling this product, ensure that
the environment is protected against electrostatic discharge.
1 2008-05-14
1 page  
Equivalent Circuit of Input Pins
Internal circuit diagram of HU, HV, HW, LU, LV, LW input pins
HU/HV/HW
LU/LV/LW
2 kΩ
2 kΩ 2 kΩ
6.5 V
6.5 V
6.5 V
6.5 V
To internal circuit
Internal circuit diagram of SD pin
VREG
SD 2 kΩ
2 kΩ
6.5 V
6.5 V
2 kΩ
6.5 V
6.5 V
To internal circuit
Internal circuit diagram of DIAG pin
DIAG
To internal circuit
26 V
TPD4123AK
www.DataSheet4U.com
5 2008-05-14
5 Page 
External Parts
Typical external parts are shown in the following table.
TPD4123AK
www.DataSheet4U.com
Part
C1, C2, C3
C4
C5
C6
C7
R1
R2
Typical
25 V/2.2 μF
25 V/10 μF
25 V/0.1 μF
25 V/1 μF
25 V/1000 pF
5.1 kΩ
10 kΩ
Purpose
Bootstrap capacitor
VCC power supply stability
VCC for surge absorber
VREG power supply stability
VREG for surge absorber
DIAG pin pull-up resistor
SD pin pull-up resistor
Remarks
(Note 1)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 3)
⎯
Note 1: The required bootstrap capacitance value varies according to the motor drive conditions. The capacitor is
biased by VCC and must be sufficiently derated for it.
Note 2: When using this product, adjustment is required in accordance with the use environment. When mounting,
place as close to the base of this product leads as possible to improve the ripple and noise elimination.
Note 3: The DIAG pin is open drain. If not using the DIAG pin, connect to the GND.
Handling precautions
（１）
Please control the input signal in the state to which the VCC voltage is steady. Both of the order of the
VBB power supply and the VCC power supply are not cared about either.
Note that if the power supply is switched off as described above, this product may be destroyed if the
current regeneration route to the VBB power supply is blocked when the VBB line is disconnected by a
relay or similar while the motor is still running.
（２） The excess voltage such as the voltage surge which exceed the maximum rating is added, for example,
may destroy the circuit. Accordingly, be careful of handling this product or of surge voltage in its
application environment.
11 2008-05-14
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet TPD4123AK.PDF ] | |
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