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參數資料
型號: FAN8039BD3
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 光電元器件
英文描述: 5-CH Motor Driver
中文描述: 5 CHANNEL CD MOTOR DRIVER, PDSO30
封裝: 0.375 INCH, SSOPH-28
文件頁數: 9/16頁
文件大小: 291K
代理商: FAN8039BD3
5-CH MOTOR DRIVER
9
2. Thermal Shutdown
The TSD circuit turns activated when the junction temperature becomes
over 175
°
C.
It cuts off the bias current on the output driver and keeps all the output
drivers off. Meanwhile, the junction temperature begins to decrease.
The TSD circuit can be deactivated when the unction temperature falls
under 150
°
C, so the output driver begins operating in normal condition
The TSD circuit has the hysteresis temperature of 25
°
C
.
3. Power Save Function
When the pin22 is high, the TR Q3 is turned on and Q4 is off, so the bias
circuit is enabled. On the other hand, when the pin22 is Low (GND) ,
the TR Q3 is turned off and Q4 is on, so the bias circuit is disabled.
that is, it will make all the circuit blocks except for variable regulator off,
so low power quiescent state can be established.
Truth table is as follows.
4. Variable Regulator
A 33uF capacitor is used as a ripple eliminator in the external cir-
cuit. Therefore, output voltage, Vout can be calculated as follows.
In order to reduce the heating problem on regulator output
TR,Q1, a resistor R3 can be used and calculated as follows
.
Pin#22
High
Low
FAN8039BD3
Power Save Off
Power Save On
VCC
R2
R3
Q0
Output driver
bias
Hysteresis
R1
Ihys
I
REF
22
Q3
Main Bias
(except for
variable reg.)
VCC
Q4
REGVCC
V
REF
2.5V
V
OUT
R1
R2
33uF
5
6
4
7
RESX
R3
Q1
I
MAX
V
OUT
V
REF
1
R
1
R
2
------
+
2.5
2
×
5V R1
R2
=
)
=
=
=
R3
------------------------------–
)
(
)
IMAX
=
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相關代理商/技術參數
參數描述
FAN8039BD3TF 功能描述:馬達/運動/點火控制器和驅動器 4Ch BTL Driver 1Ch DC Motor Driver RoHS:否 制造商:STMicroelectronics 產品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
FAN8039D3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Servo/Spindle Motor Controller/Driver
FAN8040 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Driver
FAN8040G3 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Driver
FAN8040G3X 功能描述:IC MOTOR DRIVER 4CH 28SSOPH-375 RoHS:是 類別:集成電路 (IC) >> PMIC - 電機和風扇控制器,驅動器 系列:- 標準包裝:1 系列:- 應用:直流電機驅動器,步進電機驅動器 評估套件:- 輸出數:1 或 2 電流 - 輸出:750mA 電壓 - 負載:10 V ~ 40 V 電源電壓:4.5 V ~ 5.5 V 工作溫度:-20°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-BFSOP(0.295",7.50mm 寬) 供應商設備封裝:24-SOP 包裝:Digi-Reel® 其它名稱:MTS62C19A-HS105DKR
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