MP6522

– 35V, 3.2A, H-BRIDGE MOTOR DRIVER

1.0MP6522 Rev. 1.01

www.MonolithicPower.com

4

4/17/2018

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© 2018 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Condition

Min

Typ

Max

Units

Power Supply

Input supply voltage

5.4

24

35

V

Quiescent current

I

Q

VIN = 24V, nSLEEP = 1,

no load current

1.5

2

mA

I

SLEEP

VIN = 24V, nSLEEP = 0

1

µA

Charge pump frequency

660

kHz

Internal MOSFETs

Output on resistance

R

HS

0.3

0.45

Ω

0.35

Ω

R

LS

0.3

0.45

Ω

0.35

Ω

Body diode forward voltage

1.1

V

Control Logic

Input logic low threshold

0.8

V

Input logic high threshold

2

V

Logic input current

-12

12

µA

-2

2

µA

Internal pull-down resistance

R

PD

530

k

Ω

nFault Output (Open-Drain Output)

Output low voltage

0.5

V

Output high leakage current

1

µA

Protection Circuits

UVLO rising threshold

V

IN_RISE

5.1

5.3

V

UVLO hysteresis

V

HYS

310

mV

Input OVP threshold

36

38

40

V

Input OVP hysteresis

∆V

OVP

2000

mV

Over-current trip level

Sinking

3.2

4

5.2

A

Sourcing

3.2

4

5.2

A

Over-current deglitch time

500

ns

Over-current retry time

0.9

ms

Thermal shutdown

165

°C

Thermal shutdown hysteresis

∆T

TSD

30

°C

Current Control

Off time

t

ITRIP

After ITRIP

17

µs

ISET current

90

100

110

µA/A

Current trip voltage (rising)

V

ITRIP-R

At VISEN

1.44

1.5

1.56

V

Current trip voltage (falling)

V

ITRIP-F

At VISEN

1.15

1.2

1.25

V

VISEN Output

Output voltage accuracy

∆V

VISEN

-5

5

%