A8904SLP 查看數據表（PDF） - Allegro MicroSystems

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A8904SLP

3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING

Allegro MicroSystems 

8904

3-PHASE BRUSHLESS DC

MOTOR CONTROLLER/DRIVER

ELECTRICAL CHARACTERISTICS at TA = +25°C, VDD = 5.0 V

Characteristic

Logic Supply Voltage

Logic Supply Current

Undervoltage Threshold

Load Supply Voltage

Load Supply Current

Thermal Shutdown

Thermal Shutdown Hysteresis

Output Drivers

Output Leakage Current

Total Output ON Resistance

(source + sink + RS)

Output Sustaining Voltage

Clamp Diode Forward Voltage

Control Logic

Logic Input Voltage

Logic Input Current

BRAKE Threshold

BRAKE Hysteresis Current

BRAKE Current

DATA Output Voltage

CST Current

CST Threshold

Filter Current

Filter Threshold

CD Current

(CD1 or CD2)

CD Current Matching

CD Threshold

CD Input Leakage

Symbol

VDD

IDD

UVLO

VBB

IBB

TJ

∆TJ

IDSX

rDS(on)

VDS(sus)

VF

VIN(0)

VIN(1)

IIN(0)

IIN(1)

VBRK

IBRKL

IBRK

VOUT(0)

VOUT(1)

ICST

VCSTH

VCSTL

IFILTER

VFILTERTH

ICD

—

VCDTH

ICDIL

Test Conditions

Operating

Operating

Sleep mode

Decreasing VDD

Increasing VDD

Operating

Operating

Sleep mode

VBB = 14 V, VOUT = 14 V, sleep mode

VBB = 14 V, VOUT = 0 V

IOUT = 600 mA

VBB = 14 V, IOUT = IOUT(MAX), L = 3 mH

IF = 1.0 A

SECTOR DATA, RESET, CLK,

CHIP SELECT, OSC

VIN = 0 V

VIN = 5.0 V

VBRK = 750 mV

Brake set, D2 = 1, IBRK = 750 mV

IOUT = 500 µA

IOUT = -500 µA

Charging

Discharging, VCST = 2.5 V

High

Low

Charging

Discharging

Leakage, VFILTER = 2.5 V

Charging

Discharging

ICD(DISCHRG)/ICD(CHRG)

Min.

4.5

—

—

—

—

4.0

—

—

—

—

Limits

Typ. Max.

5.0

5.5

7.5

10

250 500

3.6

—

3.9

—

—

14

4.0

8.0

20

30

165

—

20

—

Units

V

mA

µA

V

V

V

mA

µA

°C

°C

—

200 300

µA

—

-2.0 -15

µA

—

1.0

1.4

Ω

14

—

—

V

— 1.25 1.5

V

—

—

0.8

V

2.0

—

—

V

—

—

-0.5

µA

—

— ±1.0 µA

1.5 1.75 2.0

V

—

4.0

—

µA

—

20

—

µA

—

—

1.5

V

3.5

—

—

V

-9.0 -10

-11

µA

—

500

—

µA

2.25 2.5 2.75

V

0.85 1.0 1.15

V

-9.0 -10

-11

µA

9.0

10

11

µA

—

— ±5.0 nA

1.57 1.85 2.13

V

-18

-20

-22

µA

32

40

48

µA

1.8

2.0

2.2

—

2.25 2.5 2.75

V

—

—

1.0

µA

Continued next page …

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4

Worcester, Massachusetts 01615-0036 (508) 853-5000

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