MP6505-SINGLE-PHASE, BRUSHLESS-DC–MOTOR DRIVER

MP6505 Rev.1.0

www.MonolithicPower.com

3

3/14/2012

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© 2012 MPS. All Rights Reserved.

ELECTRICAL CHARACTERICS

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Circuit Current in Locked-Rotor

Protection Mode

1.0

1.4

2

mA

Reference Voltage

5.6

5.9

6.2

V

HB Voltage

1.1

1.15

1.2

V

COSC HIGH Voltage

3.45

3.6

3.75

V

COSC LOW Voltage

1.8

1.95

2.1

V

COSC Oscillator Frequency

CP=100pF

26.4

31

35.6

kHz

CT Pin HIGH Voltage

3.4

3.63

3.86

V

CT Pin LOW Voltage

1.63

1.73

1.83

V

1.1

1.95

2.85

μA

0.08

0.16

0.25

μA

7

12

18

High-Side Switch-On Resistance

370

420

mΩ

Low-Side Switch-On Resistance

230

260

mΩ

Current Limit Gain

9

A/V

Current Limit

IN+ – IN- =±50mV

0.45

0.8

A

IN+ – IN- =±100mV

0.9

1.3

Under-Voltage Lockout Threshold—

Rising

3.57

3.75

3.93

V

Under-Voltage Lockout Threshold—

Hysteresis

190

mV

RD/FG Output Pin Low-Level

Voltage

0.35

V

RD/FG Output Pin Leakage Current

0.1

1

μA

OVP Threshold Rising

19

20

21

V

OVP Threshold Hysteresis

1.7

V