2998 datasheet(3/6 Pages) ALLEGRO

3 / 6 page

2998

DUAL FULL-BRIDGE

MOTOR DRIVER

www.allegromicro.com

ELECTRICAL CHARACTERISTICS at TA = +25

°C, T

≤ +150°C, V

BB = 50 V

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Output Drivers

Operating Voltage Range

VBB

—50

Output Leakage Current

ICEX

VOUT = 50 V, VENABLE = 2.0 V, Note 2

—<5.0

µA

VOUT = 0, VENABLE = 2.0 V, Note 2

—<-5.0

-50

µA

Output Saturation Voltage

VCE(SAT)

IOUT = 1 A, Sink Driver

—1.2

1.4

IOUT = 2 A, Sink Driver

—1.7

1.9

IOUT = -1 A, Source Driver

—1.7

1.9

IOUT = -2 A, Source Driver

—2.0

2.2

Output Sustaining Voltage

VCE(sus)

IOUT =

±2 A, L = 3.5 mH, Note 2

—— V

Source Driver Rise Time

IOUT = -2 A

—500

—

Source Driver Fall Time

IOUT = -2 A

—750

—

Deadtime

IOUT =

±2 A

—2.5

—

µs

Clamp Diode Leakage Current

VR = 50 V

—<5.0

µA

Clamp Diode Forward Voltage

IF = 2 A

—1.5

2.0

Supply Current

IBB

VENABLE(1) = VENABLE(2) = 0.8 V

—30

Control Logic (PHASE or ENABLE)

Logic lnput Voltage

VIN(0)

—— 0.8

VIN(1)

2.0

—— V

Logic Input Current

IIN(0)

VPHASE or VENABLE = 0.8 V

—-5.0

-25

µA

IIN(1)

VPHASE or VENABLE = 2.0 V

—<1.0

µA

Turn-On Delay Time

tpd0

ENABLE Input to Source Drivers

—0.4

1.0

µs

Turn-Off Delay Time

tpd1

ENABLE Input to Source Drivers

—2.0

4.0

µs

NOTES: 1. Each driver is tested separately.

2. Test is performed with V

PHASE = 0.8 V and then repeated for VPHASE = 2.0 V.

3. Negative current is defined as coming out of (sourcing) the specified device pin.

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