MP6538 – 100V, THREE-PHASE, BLDC MOTOR PRE-DRIVER WITH HALL SIGNAL INTERFACE

MP6538 Rev. 1.01

www.MonolithicPower.com

4

4/20/2018

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© 2018 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Condition

Min

Typ

Max

Units

Power Supply

Input supply voltage

8

100

V

LDO output voltage

10.8

12

13.2

V

Gate driver supply voltage

8.5

14

V

Quiescent current

I

Q

nSLEEP = 1, not switching

0.7

mA

I

SLEEP

nSLEEP = 0

1

µA

Control Logic

Input logic low threshold

0.8

V

Input logic high threshold

2

V

Logic input current

-2.4

2.4

µA

-14

14

µA

nSLEEP pull-down resistance

450

k

Ω

Internal pull-down resistance

R

PD

450

k

Ω

Fault Output (Open-Drain Output)

Output low voltage

0.1

V

Output high leakage current

1

µA

Protection Circuit

VREG UVLO rising threshold

V

REG_RUVLO

6.5

7.5

8.5

V

VREG UVLO falling threshold

V

REG_FUVLO

6

6.8

7.6

V

VREG UVLO hysteresis

V

REG_HYS

610

mV

VIN UVLO rising threshold

V

VIN_RUVLO

3.6

4

4.4

V

VIN UVLO falling threshold

V

VIN_FUVLO

3.4

3.8

4.3

V

VIN UVLO hysteresis

V

VIN_HYS

100

mV

VBST UVLO threshold

V

BST_UVLO

Voltage between SHx and BSTx

4

V

OCREF threshold

0.8

1

1.2

V

2.18

2.4

2.62

V

OCP deglitch time

2.7

µs

Sleep wake-up time

2

ms

Thermal shutdown

(5)

175

°C

Thermal shutdown hysteresis

(5)

20

°C

Gate Drive

Bootstrap diode forward

voltage

1.2

V

2.3

V

Maximum source current

(5)

0.8

A

Maximum sink current

(5)

1

A

Gate drive pull-up resistance

7

Ω

HS gate drive pull-down

resistance

0.6

4.5

Ω

LS gate drive pull-down

resistance

0.6

4.5

Ω

LS automatic turn-on time

4.6

µs

Dead time

560

ns

4.5

µs

DT tied to GND

77

ns

NOTES:

5) Guaranteed by design.