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A3958SLBTR PDF预览

A3958SLBTR

更新时间: 2024-02-23 15:25:03
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器电机
页数 文件大小 规格书
10页 380K
描述
DMOS Full-Bridge PWM Motor Driver

A3958SLBTR 数据手册

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A3958  
DMOS Full-Bridge PWM Motor Driver  
A3958SB  
A3958SLB  
CP  
2
CP  
1
2
24  
23  
22  
21  
CP  
CP  
CP  
24  
VREG  
1
2
3
4
CHARGE PUMP  
CP  
1
VREG  
2
23 RANGE  
θ
RANGE  
OUT  
PHASE  
OSC  
3
4
NO  
22  
1
NC  
BB  
CONNECTION  
B
Q
PHASE  
OSC  
21  
OUT  
B
LOAD  
SUPPLY  
V
GROUND  
GROUND  
5
6
7
8
20  
19  
18  
BB  
V
20  
19  
18  
5
6
7
8
LOAD SUPPLY  
GROUND  
GROUND  
SENSE  
GROUND  
GROUND  
SENSE  
GROUND  
GROUND  
GROUND  
GROUND  
17  
16  
15  
14  
13  
LOGIC SUPPLY  
V
DD  
17  
LOGIC  
SUPPLY  
9
V
OUTA  
DD  
9
ENABLE  
DATA  
16 OUTA  
MODE  
REF  
ENABLE  
DATA  
10  
11  
NO  
NC  
15  
14  
13  
10  
CONNECTION  
÷
MODE  
REF  
CLOCK 11  
STROBE 12  
SERIAL PORT  
STROBE  
CLOCK 12  
÷
Dwg. PP-069-1A  
Dwg. PP-069A  
Terminal List  
A3958SB  
A3958SLB  
(SOIC)  
Terminal Name  
Terminal Description  
(DIP)  
24  
CP  
Reservoir capacitor (typically 0.22 μF)  
1
CP1 & CP2  
PHASE  
The charge pump capacitor (typically 0.22 μF)  
Logic input for direction control (see also D15)  
Logic-level oscillator (square wave) input  
Grounds  
1 & 2  
3
2 & 3  
4
OSC  
4
5
GROUND  
LOGIC SUPPLY  
ENABLE  
DATA  
5, 6, 7, 8*  
9
6, 7  
8
VDD, the low voltage (typically 5 V) supply  
Logic input for enable control (see also D14)  
Logic-level input for serial interface  
10  
9
11  
10  
11  
12  
13  
14  
15  
16  
17  
18, 19  
20  
21  
22  
23  
24  
CLOCK  
Logic input for serial port (data is entered on rising edge)  
Logic input for serial port (active on rising edge)  
12  
STROBE  
REF  
13  
V
REF, the load current reference input volt. (see also D16)  
14  
MODE  
Logic input for PWM mode control (see also D17)  
No (Internal) Connection  
15  
NO CONNECT  
OUTA  
One of two DMOS bridge outputs to the motor  
Sense resistor  
16  
SENSE  
17  
GROUND  
LOAD SUPPLY  
OUTB  
Grounds  
18, 19*  
20  
VBB, the high-current, 20 V to 50 V, motor supply  
One of two DMOS bridge outputs to the motor  
No (Internal) connection  
21  
NO CONNECT  
RANGE  
VREG  
Logic Input for VREF range control (see also D16)  
Regulator decoupling capacitor (typically 0.22 μF)  
22  
23  
* For the A3958SB DIP only, there is an indeterminate resistance between the substrate grounds (pins 6, 7, 18,  
and 19) and the grounds at pins 5 and 8. Pins 5 and 8, and 6, 7, 18, or 19 must be connected together externally.  
Allegro MicroSystems, Inc.  
115 Northeast Cutoff  
9
Worcester, Massachusetts 01615-0036 U.S.A.  
1.508.853.5000; www.allegromicro.com  

A3958SLBTR 替代型号

型号 品牌 替代类型 描述 数据表
A3958SLBTR-T ALLEGRO

完全替代

DMOS FULL-BRIDGE PWM MOTOR DRIVER
A3958SLB-T ALLEGRO

完全替代

DMOS FULL-BRIDGE PWM MOTOR DRIVER
A3958SLB ALLEGRO

完全替代

DMOS FULL-BRIDGE PWM MOTOR DRIVER

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