參數(shù)資料
型號(hào)： L6229Q
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, QCC32
封裝： 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32
文件頁數(shù)： 15/28頁
文件大?。?/td> 521K
代理商： L6229Q
Application information
L6229Q
22/28
Doc ID 15209 Rev 3
6
Application information
A typical application using L6229Q is shown in Figure 23. Typical component values for the
application are shown in Table 9. A high quality ceramic capacitor (C2) in the range of
100 nF to 200 nF should be placed between the power pins VSA and VSB and ground near
the L6229Q to improve the high frequency filtering on the power supply and reduce high
frequency transients generated by the switching. The capacitor (CEN) connected from the
EN input to ground sets the shut down time when an over current is detected (see
overcurrent protection). The two current sensing inputs (SENSEA and SENSEB) should be
connected to the sensing resistor RSENSE with a trace length as short as possible in the
layout. The sense resistor should be non-inductive resistor to minimize the dI/dt transients
across the resistor. To increase noise immunity, unused logic pins are best connected to 5 V
(high logic level) or GND (low logic level) (see pin description). It is recommended to keep
power ground and signal ground separated on PCB.
Table 9.
Component values for typical application
Component
Value
C1
100 F
C2
100 nF
C3
220 nF
CBOOT
220 nF
COFF
1 nF
CPUL
10 nF
CREF1
33 nF
CREF2
100 nF
CEN
5.6 nF
CP
10 nF
D1
1N4148
D2
1N4148
R1
5 k6
Ω
R2
1 k8
Ω
R3
4 k7
Ω
R4
1 M
Ω
RDD
1 k
Ω
REN
100 k
Ω
RSENSE
0.6
Ω
ROFF
33 k
Ω
RPUL
47 k
Ω
RH1, RH2, RH3
10 k
Ω
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L622C 制造商:未知廠家 制造商全稱:未知廠家 功能描述:THYRISTOR MODULE|BRIDGE|HALF-CNTLD|CA|240V V(RRM)|46A I(T)
L622-DBC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:L series PRTDs, type L 622 DBC are designed for large volume applications where longterm stability
L622DY 制造商:VCC 功能描述:LED CIRCUIT BOARD INDICATOR
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