- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄375136 > A3938SLD (Allegro MicroSystems, Inc.) Three-Phase Power MOSFET Controller PDF資料下載
參數(shù)資料
| 型號(hào)： | A3938SLD |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Three-Phase Power MOSFET Controller |
| 中文描述： | 三相功率MOSFET控制器 |
| 文件頁(yè)數(shù)： | 6/11頁(yè) |
| 文件大?。?/td> | 399K |
| 代理商： | A3938SLD |
6
Worcester, Massachusetts 01615-0036 (508) 853-5000
115 Northeast Cutoff, Box 15036
www.allegromicro.com
D
2
A3938
Three-Phase Power MOSFET Controller
VBB.
Motor power
supply connection for the A3938 and
for power MOSFETs. It is good practice to connect a decou-
pling capacitor from this pin to AGND, as close to the device
pins as possible.
REF
.
Analog input to current limit comparator. Voltage
applied here sets the peak load current according to the fol-
lowing equation:
I
TRIP
= V
REF
/ R
SENSE
LCAP
.
5 V reference to power internal logic and provide
low current for DEAD pin and FAULT pin. Connection for
0.1 μF external capacitor for decoupling.
DEAD.
Analog input. A resistor between DEAD and LCAP
is selected to adjust turn-off time to turn-on time. This
delay is needed to prevent cross-conduction in the external
power MOSFETs. See the section Application Information
for details on setting dead time.
SENSE.
Analog input to the current limit comparator.
Voltage representing load current appears on this pin. Voltage
transients that are seen at this pin when the drivers turn on
are ignored for period of time, t
BLANK
.
AGND.
Analog reference ground.
PGND.
Return for low-side gate drivers. This should be
connected to the PCB power ground.
H1
1
1
1
0
0
0
1
1
1
0
0
0
H2
0
0
1
1
1
0
0
0
1
1
1
0
H3
1
0
0
0
1
1
1
0
0
0
1
1
DIR
1
1
1
1
1
1
0
0
0
0
0
0
GLA
0
0
1
1
0
0
1
0
0
0
0
1
GLB
0
0
0
0
1
1
0
1
1
0
0
0
GLC
1
1
0
0
0
0
0
0
0
1
1
0
GHA
1
0
0
0
0
1
0
0
1
1
0
0
GHB
0
1
1
0
0
0
0
0
0
0
1
1
GHC
0
0
0
1
1
0
1
1
0
0
0
0
SA
HI
Z
LO
LO
Z
HI
LO
Z
HI
HI
Z
LO
SB
Z
HI
HI
Z
LO
LO
Z
LO
LO
Z
HI
HI
SC
LO
LO
Z
HI
HI
Z
HI
HI
Z
LO
LO
Z
Commutation Truth Table
MODE
PWM
RESET
Quadrant
Mode of Operation**
0*
0
0
Fast decay
PWM chop – current decay with opposite of selected low-
side drivers ON.
Selected drivers ON. If current limiting, opposite of selected
low-side drivers ON.
PWM chop – current decay with both low-side drivers ON.
Selected drivers ON. If current limiting, both low-side drivers ON.
All high-side drivers OFF, low-sides see BRKSEL stored.
Clears storable faults.
0*
1
0
Fast Decay
1
1
0
1
0
0
Slow decay
Slow Decay
X
X
1
X
* Low-side, only, Synchronous Recti
fi
cation mode.
**See Commutation Truth Table for meaning of “both” and "selected."
Input Logic
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| A3938SLD-T | Three-Phase Power MOSFET Controller |
| A3938SLQ | Three-Phase Power MOSFET Controller |
| A3940KLP | FULL-BRIDGE POWER MOSFET CONTROLLER |
| A3940KLW | FULL-BRIDGE POWER MOSFET CONTROLLER |
| A3946KLB | Half-Bridge Power MOSFET Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A3938SLD-T | 功能描述:IC CTRLR MOSFET 3PH 38-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電機(jī)和風(fēng)扇控制器，驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:直流電機(jī)驅(qū)動(dòng)器，步進(jìn)電機(jī)驅(qū)動(dòng)器 評(píng)估套件:- 輸出數(shù):1 或 2 電流 - 輸出:750mA 電壓 - 負(fù)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(yīng)商設(shè)備封裝:24-SOP 包裝:Digi-Reel® 其它名稱:MTS62C19A-HS105DKR |
| A3938SLDTR | 功能描述:IC CTRLR MOSFET 3PH 38-TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電機(jī)和風(fēng)扇控制器，驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:直流電機(jī)驅(qū)動(dòng)器，步進(jìn)電機(jī)驅(qū)動(dòng)器 評(píng)估套件:- 輸出數(shù):1 或 2 電流 - 輸出:750mA 電壓 - 負(fù)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(yīng)商設(shè)備封裝:24-SOP 包裝:Digi-Reel® 其它名稱:MTS62C19A-HS105DKR |
| A3938SLDTR-T | 功能描述:IC CTRLR MOSFET 3PH 38-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電機(jī)和風(fēng)扇控制器，驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:步進(jìn)電機(jī)驅(qū)動(dòng)器，1-2 相，2 相 評(píng)估套件:- 輸出數(shù):1 電流 - 輸出:800mA 電壓 - 負(fù)載:10 V ~ 28 V 電源電壓:4.75 V ~ 5.25 V 工作溫度:-20°C ~ 90°C 安裝類型:表面貼裝 封裝/外殼:28-SOP + 2 翼片裸露焊盤 供應(yīng)商設(shè)備封裝:28-HSOPHC（15.2x7.9） 包裝:剪切帶 (CT) 其它名稱:869-1268-1 |
| A3938SLQ | 功能描述:IC CTRLR MOSFET 3PH 36-QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電機(jī)和風(fēng)扇控制器，驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:直流電機(jī)驅(qū)動(dòng)器，步進(jìn)電機(jī)驅(qū)動(dòng)器 評(píng)估套件:- 輸出數(shù):1 或 2 電流 - 輸出:750mA 電壓 - 負(fù)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(yīng)商設(shè)備封裝:24-SOP 包裝:Digi-Reel® 其它名稱:MTS62C19A-HS105DKR |
| A3938SLQTR | 功能描述:IC CTRLR MOSFET 3PH 36-QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電機(jī)和風(fēng)扇控制器，驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:直流電機(jī)驅(qū)動(dòng)器，步進(jìn)電機(jī)驅(qū)動(dòng)器 評(píng)估套件:- 輸出數(shù):1 或 2 電流 - 輸出:750mA 電壓 - 負(fù)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(yīng)商設(shè)備封裝:24-SOP 包裝:Digi-Reel® 其它名稱:MTS62C19A-HS105DKR |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。