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A4954

更新时间: 2024-01-14 16:56:36
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器
页数 文件大小 规格书
9页 248K
描述
Dual Full-Bridge DMOS PWM Motor Driver

A4954 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:LEAD FREE, MO-153ABT, TSSOP-16针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:0.78
模拟集成电路 - 其他类型:BRUSH DC MOTOR CONTROLLERJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:5 mm
湿度敏感等级:2功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:2 A
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装等效代码:TSSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:8/40 V认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Motion Control Electronics
最大供电电流 (Isup):0.01 mA最大供电电压 (Vsup):40 V
最小供电电压 (Vsup):8 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:4.4 mmBase Number Matches:1

A4954 数据手册

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Dual Full-Bridge DMOS  
PWM Motor Driver  
A4954  
ELECTRICAL CHARACTERISTICS Valid at TJ = 25°C, unless otherwise specified  
Characteristics  
Symbol  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
General  
Load Supply Voltage Range  
VBB  
8
0.8  
1.28  
10  
40  
1.12  
1.8  
V
Ω
IOUT = |1.5 A|, TJ = 25°C  
RDS(on) Sink + Source Total  
RDS(on)  
IOUT = |1.5 A|, TJ = 125°C  
fPWM < 30 kHz  
Ω
mA  
μA  
V
Load Supply Current  
IBB  
Low Power Standby mode  
Source diode, If = –1.5 A  
Sink diode, If = 1.5 A  
10  
1.5  
1.5  
Body Diode Forward Voltage  
Vf  
V
Logic Inputs  
VIN(1)  
VIN(0)  
2.0  
V
V
Logic Input Voltage Range  
0.8  
0.4  
100  
40  
VIN(STANDBY)  
Low Power Standby mode  
VIN = 2.0 V  
V
IIN(1)  
IIN(0  
40  
16  
50  
250  
μA  
μA  
kΩ  
mV  
Logic Input Current  
)
VIN = 0.8 V  
Logic Input Pull-Down Resistance  
Input Hysteresis  
RRRLOGIC(PD) VIN = 0 V = IN1 = IN2 = IN3 = IN4  
VHYS  
550  
Timing  
Crossover Delay  
tCOD  
50  
0
500  
5
ns  
V
V
REF Input Voltage Range  
VREF  
VREF / ISS, VREF = 5 V  
9.5  
9.0  
8.0  
2
10.5  
10.0  
10.0  
4
V/V  
V/V  
V/V  
μs  
Current Gain  
AV  
VREF / ISS, VREF = 2.5 V  
VREF / ISS, VREF = 1 V  
Blank Time  
tBLANK  
toff  
3
Constant Off-time  
16  
25  
1
34  
μs  
Standby Timer  
tst  
IN1 = IN2 = IN3 = IN4 < VIN(STANDBY)  
1.5  
30  
ms  
μs  
Power-Up Delay  
tpu  
Protection Circuits  
UVLO Enable Threshold  
UVLO Hysteresis  
VBBUVLO VBB increasing  
VBBUVLOhys  
7
7.5  
500  
160  
15  
7.95  
V
mV  
°C  
°C  
Thermal Shutdown Temperature  
Thermal Shutdown Hysteresis  
TJTSD  
Temperature increasing  
Recovery = TJTSD – TTSDhys  
TTSDhys  
Allegro MicroSystems, Inc.  
115 Northeast Cutoff  
3
Worcester, Massachusetts 01615-0036 U.S.A.  
1.508.853.5000; www.allegromicro.com  

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