MP6531A – 5V - 60V, THREE-PHASE BLDC MOTOR PRE-DRIVER

MP6531A Rev. 1.02

www.MonolithicPower.com

5

6/20/2017

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2017 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Condition

Min

Typ

Max

Units

Power Supply

Input supply voltage

5

60

V

Quiescent current

I

Q

nSLEEP = 1, gate not switching

1.8

2.3

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

-20

20

µA

-20

20

µA

nSLEEP pull-down current

1

µA

Internal pull-down resistance

R

PD

800

k

Ω

Fault Outputs (Open-Drain Outputs)

Output low voltage

0.5

V

Output high leakage current

1

µA

Protection Circuit

UVLO rising threshold

V

IN_RISE

3.3

3.9

4.5

V

UVLO hysteresis

V

IN_HYS

250

mV

VREG rising threshold

V

REG_RISE

6.8

7.8

8.5

V

VREG hysteresis

V

REG_HYS

0.6

1

V

VREG start-up delay

850

µs

OC_REF threshold

0.8

1

1.2

V

2.18

2.4

2.62

V

OCP deglitch time

3

µs

nSLEEP wake-up time

1

ms

LSS OCP threshold

0.4

0.5

0.6

V

Thermal shutdown

190

°C

Gate Drive

Bootstrap diode forward

voltage

0.9

V

1.4

V

VREG output voltage

VIN = 5.5V - 60V

10

11.5

13

VIN = 5V

V

Maximum source current

(5)

0.8

A

Maximum sink current

(5)

HS gate drive

1

A

LS gate drive

2

A

Gate drive pull-up resistance

8

Ω

HS gate drive pull-down

resistance

1

5.5

Ω

LS gate drive pull-down

resistance

1

5.8

Ω

LS passive pull-down

resistance

590

kΩ

LS automatic turn-on time

At power-up

0.5

µs

Charge pump frequency

110

kHz

Dead time

5.7

µs

0.7

µs

DT tied to GND

130

ns

NOTE:

5) Guarantee by design.