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參數(shù)資料
| 型號： | 3940_03 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | FULL-BRIDGE POWER MOSFET CONTROLLER |
| 中文描述： | 全橋功率MOSFET控制器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 598K |
| 代理商： | 3940_03 |
Always order by complete part number
D
2
FULL-BRIDGE POWER MOSFET CONTROLLER
— For Automotive Applications
3940
The A3940KLP and A3940KLW are designed specifically for
automotive applications that require high-power motors. Each provides
four high-current gate drive outputs capable of driving a wide range of
n-channel power MOSFETs in a full-bridge configuration.
Bootstrap capacitors are utilized to provide the above-battery
supply voltage required for n-channel FETs. An internal charge pump
for the high side allows for dc (100% duty cycle) operation of the
bridge.
Protection features include supply under/overvoltage, thermal
shutdown, and motor lead short-to-battery and short-to-ground fault
notification, and a programmable dead-time adjustment for cross-
conduction prevention.
The
overvoltage trip point is user adjustable.
The A3940 is supplied in a choice of two power packages, a 28-pin
TSSOP with an exposed thermal pad (package type LP), and a 28-pin
wide-body SOIC (package type LW). Both package types are available
in lead (Pb) free versions, with 100 % matte-tin leadframe plating
(suffix –T).
FEATURES
Drives wide range of n-channel MOSFETs
Charge pump to boost gate drive at low-battery-input conditions
Bootstrapped gate drive with charge pump for 100% duty cycle
Synchronous rectification
Fault diagnostic output
Adjustable dead-time cross-conduction protection
Motor lead short-to-battery and short-to-ground protection
Undervoltage/overvoltage protection
-40°C to +150°C, T
J
operation
Thermal shutdown
ABSOLUTE MAXIMUM RATINGS
Load Supply Voltage Range, VBB,
VDRAIN, CP1 ..........
-0.6 V to +40 V
Output Voltage Ranges,
LSS..............................
-2 V to +6.5 V
GHA/GHB, V
GHX
........
-2 V to +55 V
SA/SB, V
SX
..................
-2 V to +45 V
GLA/GLB, V
GLX
..........
-2 V to +16 V
CA/CB, V
CX
..............
-0.6 V to +55 V
CP2,VCP, VIN..........
-0.6 V to +52 V
Logic Input/Output Voltage Range
V
IN
, V
OUT
...................
-0.3 V to +6.5 V
Operating Temperature Range,
T
A
...........................
-40°C to +135°C
Junction Temperature, T
J
.........
+150°C*
Storage Temperature Range,
T
S
...........................
-55°C to +150°C
* Fault conditions that produce excessive
junction temperature will activate device
thermal shutdown circuitry. These conditions
can be tolerated, but should be avoided.
A3940KLP
(TSSOP with exposed
thermal pad)
A3940KLW
(SOIC)
Approx. 2X actual size.
4
3
2
1
8
5
12
11
10
9
21
22
23
24
17
20
15
16
27
28
14
13
19
18
25
26
6
7
4
3
2
1
8
5
12
11
10
9
21
22
23
24
17
20
15
16
27
28
14
13
19
18
25
26
6
7
Part Number
Pb-free
Package
A3940KLP-T
Yes
28-pin TSSOP
A3940KLP
–
28-pin TSSOP
A3940KLW-T
Yes
28-pin SOICW
A3940KLW
–
28-pin SOICW
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| 39-401 BLK | 功能描述:SWITCH PUSH SPST-NO 0.15A 28V RoHS:是 類別:開關(guān) >> 按鈕 系列:39 標準包裝:1 系列:A16 類型:標準，發(fā)光式 電路:雙刀雙擲 開關(guān)功能:開-瞬時 額定電流:5A（AC） 額定電壓 - AC:125V 額定電壓 - DC:- 觸動器類型:方形，按鈕 顏色 - 致動器/蓋:黃 發(fā)光類型，顏色:LED，黃 發(fā)光電壓:12 VDC 安裝類型:前面板安裝 端接類型:焊接，快速連接 - 0.110"（2.8mm） 防護等級:IP65 - 防塵/防油/防水 特點:- 面板切口尺寸:圓形 - 直徑 16.00mm 包裝:散裝 工作溫度:-10°C ~ 55°C 機械壽命:2,000,000 次循環(huán) 電氣壽命:100,000 次循環(huán) 其它名稱:A165LAYM12D2 |
| 39-401 RED | 功能描述:SWITCH PUSH SPST-NO 0.15A 28V RoHS:是 類別:開關(guān) >> 按鈕 系列:39 標準包裝:1 系列:A16 類型:標準，發(fā)光式 電路:雙刀雙擲 開關(guān)功能:開-瞬時 額定電流:5A（AC） 額定電壓 - AC:125V 額定電壓 - DC:- 觸動器類型:方形，按鈕 顏色 - 致動器/蓋:黃 發(fā)光類型，顏色:LED，黃 發(fā)光電壓:12 VDC 安裝類型:前面板安裝 端接類型:焊接，快速連接 - 0.110"（2.8mm） 防護等級:IP65 - 防塵/防油/防水 特點:- 面板切口尺寸:圓形 - 直徑 16.00mm 包裝:散裝 工作溫度:-10°C ~ 55°C 機械壽命:2,000,000 次循環(huán) 電氣壽命:100,000 次循環(huán) 其它名稱:A165LAYM12D2 |
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