参数资料
型号: A4960KJPTR-T
厂商: Allegro Microsystems Inc
文件页数: 9/35页
文件大小: 0K
描述: IC BLDC CTLR BRUSHLESS 32LQFP
标准包装: 1
系列: *
应用: *
输出数: *
电流 - 输出: *
电压 - 负载: *
电源电压: *
工作温度: *
安装类型: 表面贴装
封装/外壳: 32-LQFP 裸露焊盘
供应商设备封装: 32-LQFP(7x7)
包装: 标准包装
其它名称: 620-1452-6
A4960
Automotive, Sensorless BLDC Controller
ELECTRICAL CHARACTERISTICS (continued) Valid at T J = –40°C to 150°C, V DD = 5 V, V BB = 7 to 28 V;
unless otherwise specified
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Logic I/O – Dynamic Parameters (continued)
Data In Set-up Time to Clock Rising
Data In Hold Time from Clock Rising
Wake Up from Sleep Mode
t SDIS
t SDIH
t EN
J in figure 1
K in figure 1
RESETN rising to undervoltage faults cleared
15
10
2
ns
ns
ms
Motor Start-up Parameters
Hold Torque Internal Reference
Hold Torque Duty Cycle
Hold Time
Start Commutation Time
End Commutation Time
Ramp Torque Internal Reference
Ramp Torque Duty Cycle
Ramp Rate (Change in commutation
time)
V HQ
D HQ
t HOLD
t COMS
t COME
V RQ
D RQ
Δt COM
Default power–up level: I DS = 0
Default power–up level: I DS = 1
Default power–up level
Default power–up level
Default power–up level
Default power–up level: I DS = 0
Default power–up level: I DS = 1
RR[3:0] = 1001
33.7
33.7
28.9
34
2.72
50.6
50.6
1.7
37.5
37.5
34.0
40
3.20
56.25
56.25
2.0
41.3
41.3
39.1
46
3.68
61.9
61.9
2.3
%V REF
%
ms
ms
ms
%V REF
%
ms
Motor Run Parameters
Phase Advance
BEMF Hysteresis – High
BEMF Hysteresis – Low
BEMF Window Time
Commutation Blank Time
θ ADV
V BHYSH
V BHYSL
t BW
t CB
Denominated in electrical degrees,
PA[3:0] = 1000
Default power–up level
Default power–up level
12
5.4
42.5
15
240
60
6.4
50
18
7.4
57.5
deg
mV
mV
μs
μs
Protection
VREG Undervoltage Threshold
V REGUVON V REG rising
V REGUVOFF V REG falling
7.5
6.6
8
7.1
8.5
7.6
V
V
Bootstrap Undervoltage
Bootstrap Undervoltage Hysteresis
VDD Undervoltage Threshold
VDD Undervoltage Hysteresis
Drain-Source Threshold Voltage
VBRG Input Voltage
VBRG Input Current
Short-to-Ground Threshold Offset 4
Short-to-Battery Threshold Offset 5
V BOOTUV
V BOOTUVHys
V DDUV
V DDUVHys
V DSTH
V BRG
I VBRG
V STGO
V STBO
V BOOT falling, V Cx – V Sx
V DD falling
Default power–up level
When VDS monitor is active
V DSTH = default, V BB = 12 V, 0 V < V BRG < V BB
High side on, V DSTH ?≥??1?V
High side on, V DSTH < 1 V
Low side on, V DSTH ?≥??1?V
Low side on, V DSTH < 1 V
58
2.45
50
720
V BB – 1
–150
–150
13
2.7
100
800
V BB
±100
±50
±100
±50
71
2.85
150
880
V BB + 1
250
+150
+150
%V REG
%V REG
V
mV
mV
V
μA
mV
mV
mV
mV
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
8
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