参数资料
型号: A3932SLD-T
厂商: Allegro Microsystems Inc
文件页数: 6/12页
文件大小: 0K
描述: IC CTLR MOSFET 3PH 38-TSSOP
标准包装: 50
应用: DC 电机控制器,无刷(BLDC),3 相
输出数: 1
电源电压: 18 V ~ 50 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 38-TFSOP(0.173",4.40mm 宽)
供应商设备封装: 38-TSSOP
包装: 管件
其它名称: 620-1220-5
A3932
Three-Phase Power MOSFET Controller
ELECTRICAL CHARACTERISTICS: unless otherwise noted at T A = 25°C; V BB = 18 V to 50 V; C LCAP ,
C boot = 0.1 μ F; C REG = 10 μ F; C load = 3300 pF ; f PWM = 22.5 kHz Square Wave; Two Phases Active.
Parameter
Symbol
Conditions
Min
Limits
Typ Max
Units
Bootstrap Capacitor
Bootstrap Charge Current
I Cx
100
mA
Bootstrap Output Voltage
Bootstrap Resistance
V Cx
r Cx
V Sx = 0, I Cx = 0, V REG = 13 V
I Cx = -50 mA
10.4
11.6
9.0
12.8
12
V
Ω
Current Limit Circuitry
Input Offset Voltage
SENSE Input Current
REFERENCE Input Current
Blank Time
RC Charge Current
RC Voltage Threshold
V io
I SENSE
I REF
t blank
I RC
V RCL
V RCH
0 V ≤ V IC ≤ 1.5 V
V IC ≥ 0 V, V ID ≤ 1.5 V
V IC ≥ 0 V, V ID ≤ 1.5 V
R T = 56 k Ω , C T = 470 pF
-0.9
1.0
2.7
-25
0
0.91
-1.0
1.1
3.0
±5.0
-1.1
1.2
3.3
mV
μ A
μ A
μ s
mA
V
V
Protection Circuitry
Bootstrap Charge Threshold
I Cx
-9.0
mA
Motor Short-to-Ground Monitor
Undervoltage Threshold
FAULT Output Voltage
TACH Output Voltage
TACH Output Pulse Width
Thermal Shutdown Temp.
Thermal Shutdown Hyster-
esis
Thermal Resistance
V DSH
UVLO
V FAULT
V TACH
t TACH
T J
? T J
R θ JA
V BB - V SX , high side on
Increasing V REG
Decreasing V REG
I O = 1 mA
I O = 1 mA
I O = 1 mA, C TACH = 50 pF
Package EQ Four-layer PCB
Package LD Four-layer PCB
1.3
9.2
8.6
2.0
9.7
9.1
0.75
165
10
37
51
2.7
10.2
9.6
0.5
0.5
V
V
V
V
V
μ s
°C
°C
°C/W
°C/W
NOTES:
1. Typical Data is for design information only.
2. Negative current is defined as coming out of (sourcing) the specified device terminal.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
6
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