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參數(shù)資料
| 型號： | FAN8037 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 光電元器件 |
| 英文描述： | 7-CH Motor Driver |
| 中文描述： | CD MOTOR DRIVER, PQFP48 |
| 封裝： | 14 X 14 MM, HEAT SINK, QFP-48 |
| 文件頁數(shù)： | 12/23頁 |
| 文件大?。?/td> | 385K |
| 代理商： | FAN8037 |
FAN8037 (KA3037)
12
Application Information
1. THERMAL SHUTDOWN
When the chip temperature reaches to 175
°
C, then the TSD circuit is
activated.
This shuts down the bias current of the output drivers, and all the
output drivers are in cut-off state. Thus the chip temperature begins to
decrease.
when the chip temperature falls to 150
°
C, the TSD circuit is
deactivated and the output drivers are normally operated.
The TSD circuit has the hysteresis temperature of 25
°
C.
2. ALL MUTE FUNCTION
When the pin22 is high, the TR Q1 is turned on and Q2 is off, so the
bias circuit is enabled. On the other hand, when the pin22 is Low
(GND) , the TR Q1 is turned off and Q2 is on, so the bias circuit is
disabled.
This function will cause all the output drivers to be in mute state.
Truth table is as follows;
Pin#22
FAN8037
HIGH
MUTE-OFF
LOW
MUTE-ON
3. POWER SAVE FUNCTION
When the pin21 is high, the TR Q3 is turned on and Q4 is off, so the
bias circuit is enabled. On the other hand, when the pin21 is Low
(GND) , the TR Q3 is turned off and Q4 is on, so the bias circuit is
disabled.
That is, this function will cause all the circuit blocks of the chip except
for the variable regulator to be in the off state. thus the low power
quiescent state is established
Truth table is as follows;
Pin#21
FAN8037
HIGH
POWER SAVE OFF
LOW
POWER SAVE ON
SVCC
R2
R3
Q0
Output driver
bias
Hysteresis
R1
Ihys
I
REF
22
Q1
Bias blocks
(4-Ch BTL
and 3-Ch logic
loading)
Q2
SVCC
21
Q3
Main Bias
(except for
variable reg.)
SVCC
Q4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FAN8038C | 4-Channel Motor Drive IC |
| FAN8038 | 4-Channel Motor Drive IC |
| FAN8038B | 4-Channel Motor Drive IC |
| FAN8039BD3TF | MOTOR CONTROLLER |
| FAN8039BD3 | 5-CH Motor Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FAN8038 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Drive IC |
| FAN8038B | 功能描述:馬達/運動/點火控制器和驅(qū)動器 Motor Driver 5Ch BTL+3Ch DC RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| FAN8038C | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Drive IC |
| FAN8039BD3 | 功能描述:馬達/運動/點火控制器和驅(qū)動器 4Ch BTL Driver 1Ch DC Motor Driver RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| FAN8039BD3TF | 功能描述:馬達/運動/點火控制器和驅(qū)動器 4Ch BTL Driver 1Ch DC Motor Driver RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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