A8902CLBA

更新时间： 2024-02-28 11:59:13

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器电动机控制电机控制器
页数	文件大小	规格书
12页	157K
描述
3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING

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数据手册

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A8902CLBA 数据手册

8902–A

3-PHASE BRUSHLESS DC

MOTOR CONTROLLER/DRIVER

ELECTRICAL CHARACTERISTICS at T_A= +25°C, V_DD= 5.0 V

Limits

Characteristic

Symbol

V_DD

Test Conditions

Min.

4.5

—

Typ.

Max.

5.5

Units

Logic Supply Voltage

Logic Supply Current

Operating

Sleep Mode

Operating

5.0

7.5

250

—

I_DD

µA

—

500

Load Supply Voltage

Thermal Shutdown

V_BB

T_J

4.0

—

165

—

°C

Thermal Shutdown Hysteresis

Output Drivers

∆T_J

—

°C

Output Leakage Current

I_DSX

V_BB= 14 V, V_OUT= 14 V

_BB= 14 V, V_OUT= 0 V

—

1.0

-1.0

1.0

300

-300

1.4

µA

Ω

Total Output ON Resistance

(Source + Sink + R_S)

r_DS(on)

I_OUT= 600 mA

Output Sustaining Voltage

Clamp Diode Forward Voltage

Control Logic

V_DS(sus)

V_F

V_BB= 14 V, I_OUT= I_OUT(MAX), L = 3 mH

I_F= 1.0 A

—

1.25

1.5

Logic Input Voltage

V_IN(0)

V_IN(1)

I_IN(0)

SECTOR DATA, RESET, CLK,

CHIP SELECT, OSC

V_IN= 0 V

-0.3

3.5

—

1.5

5.3

-0.5

1.0

1.5

—

Logic Input Current

—

µA

I_IN(1)

V_IN= 5.0 V

—

DATA Output Voltage

V_OUT(0)

V_OUT(1)

I_CST

I_OUT= 500 µA

—

I_OUT= -500 µA

Charging

3.5

-9.0

—

C_STCurrent

-10

500

2.5

1.0

-10

-11

—

µA

Discharging

C_STThreshold

V_CSTH

V_CSTL

I_FILTER

2.25

0.85

-9.0

9.0

—

2.75

1.15

-11

Filter Current

Charging

µA

Discharging

Leakage, V_FILTER= 2.5 V

—

5.0

2.13

-22

Filter Threshold

C_DCurrent

V_FILTERTH

I_CD

1.57

-18

1.85

-20

Charging

µA

—

(C_D1or C_D2

)

Discharging

C_DCurrent Matching

C_DThreshold

—

I_CD(DISCHRG)/I_CD(CHRG)

1.8

2.25

2.0

2.5

2.2

2.75

V_CDTH

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