參數(shù)資料
型號(hào)： TB6581HG
元件分類(lèi)： 運(yùn)動(dòng)控制電子
英文描述： BRUSHLESS DC MOTOR CONTROLLER, PZIP25
封裝： PLASTIC, HZIP-25
文件頁(yè)數(shù)： 3/15頁(yè)
文件大?。?/td> 410K
代理商： TB6581HG
TB6581HG
2008-09-12
11
External Parts
Symbol
Purpose
Recommended value
Note
X1
Internal clock generation
4.19 MHz
(Note 1)
C1, C2, C3
10 V/1000 pF
R1, R2, R3
Noise absorber
10 k
(Note 2)
C4
Vrefout oscillation protection
10 V/0.1
F to 1.0 F
(Note 3)
C5
10 V/1000pF
R4
Noise absorber
5.1 k
(Note 2)
R5
Overcurrent detection
0.62
± 1% (1 W)
(Note 4)
C6
16 V/1.0
F to 10 F
C7
VREG power supply stability
10 V/1000 pF
(Note 3)
C8
25 V/0.1
F
C9
VCC15 power supply stability
25 V/10
F
(Note 3)
C10, C11, C12
Bootstrap capacitor
25 V/2.2
F
(Note 5)
Note 1: For carrier frequency and dead time, connect a 4.19 MHz ceramic resonator.
Note 2: These parts are used as a low-pass filter for noise absorption. Test to confirm noise filtering, then set the
filter time-constant.
Note 3: This part is used as a capacitor for power supply stability. Adjust the part to the application environment as
required. When mounting, place it as close as possible to the base of the leads of this product to improve
the noise elimination.
Note 4: This part is used to set the value for overcurrent detection. Iout (max) = Vdc ÷ R5 (Vdc = 0.5 V (typ.))
Note 5: The required bootstrap capacitance value varies according to the motor drive conditions. The voltage stress
for the capacitor is the value of VCC15.
Other Precautions
Utmost care is necessary in the design of the output, VCC, VM, and GND lines since the IC may be destroyed by
short-circuiting between outputs, air contamination faults, or faults due to improper grounding, or by
short-circuiting between contiguous pins.
In turning on the power, first supply VCC15 and confirm its stability; then apply VCC7 and the driving input
signal. VCC15 and VB may be turned on in either order. In turning off the power, take care not to cut off the VB
line by relay while the motor is spinning. Doing so may cause the IC to break down by cutting the
current-producing route for VB.
The TB6581H is sensitive to electrostatic discharge. Handle with care.
The product should be mounted by the solder-flow method. The preheating time is from 60 to 120 seconds at
150C. The maximum heat is 260C, to be applied within 10 seconds and as far as the lead stopper.
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