参数资料
型号: A3944KLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 7/31页
文件大小: 0K
描述: IC PREDRIVER MOSFET 6CH TSSOP
标准包装: 8,000
配置: 低端
输入类型: 并行/串行
延迟时间: 200ns
电流 - 峰: 50mA
配置数: 6
输出数: 6
电源电压: 6 V ~ 40 V
工作温度: -40°C ~ 150°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 带卷 (TR)
A3944
Automotive, Low Side FET Pre-Driver
ELECTRICAL CHARACTERISTICS (continued) Valid at T J = –40°C to 150°C, V DD = 3.3 V, V DR = 5 V, V BB = 6 to 40 V; unless
otherwise specified
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Fault Detection (On-State)
Drain Clamp Voltage
Drain Clamp Leakage
Short to Battery Threshold
Retry Timer
Fault Filter Time
Fault Blank Timer
V DCL
I DC
V STB
t RE
t FF(on)
t BL(on)
I DRNx = 10 μ A
I DRNx = 10 mA
V DRNx < 32 V
GATx driven high, SB[2:0] = 111
GATx driven high, SB[2:0] = 110
GATx driven high, SB[2:0] = 101
GATx driven high, SB[2:0] = 100
GATx driven high, SB[2:0] = 011
GATx driven high, SB[2:0] = 010
GATx driven high, SB[2:0] = 001
GATx driven high, SB[2:0] = 000
RT0 = 1
RT0 = 0
GATx driven high, TON[1:0] = 11
GATx driven high, TON[1:0] = 10
GATx driven high, TON[1:0] = 01
GATx driven high, TON[1:0] = 00
45
30
17
15
13
11
9
7
5
40
7
1.25
40
20
10
4
54
31
18
16
14
12
10
8
6
55
10
2
56
28
14
5
1
32
19
17
15
13
11
9
7
72
13
2.75
72
36
18
7
V
V
μ A
%V REG
%V REG
%V REG
%V REG
%V REG
%V REG
%V REG
%V REG
ms
ms
μ s
μ s
μ s
μ s
μ s
Fault Detection (Off-State)
DRNx Pull-Up Diagnostic Current*
DRNx Pull-Down Diagnostic Current
Short to Ground Threshold
Open Load Threshold
Open Load Clamp Voltage
Fault Filter Time
Fault Blank Timer
I DPU
I DPD
V STG
V OL
V OCL
t FF(off)
t BL(off)
GATx low, V DRNx < (V OCL – 200 mV)
GATx low, NPD = 0, V DRNx >(V OCL + 200 mV)
GATx driven low, SG = 1
GATx driven low, SG = 0
GATx driven low
GATx driven low, TOF[1:0] = 11
GATx driven low, TOF[1:0] = 10
GATx driven low, TOF[1:0] = 01
GATx driven low, TOF[1:0] = 00
–80
50
65
44
75
70
1.25
3000
200
100
60
–65
65
66
45
76
71
2
4000
280
140
80
–50
80
67
46
77
72
2.75
5000
360
180
100
μ A
μ A
%V REG
%V REG
%V REG
%V REG
μ s
μ s
μ s
μ s
μ s
Continued on the next page…
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
7
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