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参数资料
| 型号： | TPD4104KLBF |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 3 A, PZFM23 |
| 封装： | 1.27 MM PITCH, PLASTIC, HZIP-23 |
| 文件页数： | 2/24页 |
| 文件大小： | 375K |
| 代理商： | TPD4104KLBF |
TPD4104K
2005-01-27
10
External Parts
Standard external parts are shown in the following table.
Part
Recommended Value
Purpose
Remarks
C1, C2, C3
25 V/2.2
F
Bootstrap capacitor
(Note 1)
R1
0.62
± 1% (1 W)
Current detection
(Note 2)
C4
25 V/10 μF
VCC power supply stability
(Note 3)
C５
25 V
/0.1F
VCC for surge absorber
(Note 3)
C6
16 V/1
F
VREG power supply stability
(Note 3)
C7
16 V/1000 pF
VREG for surge absorber
(Note 3)
R3
5.1 k
FG pin pull-up resistor
(Note 4)
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: The following formula shows the detection current: IO = VR ÷ RIS (For VR = 0.5 V )
Do not exceed a detection current of 2 A when using this product.
Note 3: When using this product, some 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 4: The DIAG pin is open drain. Note that when the DIAG pin is connected to a power supply with a voltage
higher than or equal to the VCC, a protection circuit is triggered so that the current flows continuously. If not
using the DIAG pin, connect to the GND.
Handling precautions
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.
The IS pin connecting the current detection resistor is connected to a comparator in the IC and also
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.
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