AM5901ALF44-E1 datasheet(9/19 Pages) BCDSEMI

Nome de Peças	AM5901ALF44-E1

Descrição Electrónicos	4-CHANNEL MOTOR DRIVER WITH POWER CONTROLLER

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Fabricante Electrônico	BCDSEMI [BCD Semiconductor Manufacturing Limited]

Página de início	http://www.bcdsemi.com

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Data Sheet

9

Mar. 2007 Rev. 1. 3

BCD Semiconductor Manufacturing Limited

4-CHANNEL MOTOR DRIVER WITH POWER CONTROLLER

AM5901A

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

MUTE34 ON Threshold Voltage

VM34ON

IN3=IN4=1.8V

0.8

V

MUTE34 OFF Threshold Voltage

VM34OFF IN3=IN4=1.8V

2.0

V

VREF ON Threshold Voltage

VREFON

IN1=IN2=IN3=IN4=1.8V

1.2

V

VREF OFF Threshold Voltage

VREFOFF IN1=IN2=IN3=IN4=1.8V

0.8

V

BRAKE 1 Brake Current

IBRAKE1

Current difference between BRAKE1

pin "H" and "L"

47

10

mA

PWM Power Supply Driving Section

PWM Sink Current

IPSW

IN1=2.1V

7.9

13

17.5

mA

HVCC Level Shift Voltage

VSHIF

IN1=1.8V, HVCC-OUT1F

0.25

0.45

0.55

V

HVCC Leak Current

IHLK

HVCC=9V,

VSYS1=VSYS2=BATT=0V

011

µA

PWM Amplifier Transfer Gain

GPWM

IN1=1.8V, HVcc=1.2 to 1.4V

1/60

1/50

1/40

1/k

Ω

DC/DC Converter Section

(Error Amplifier Section)

VSYS1 Pin Threshold Voltage

VSITH

3.05

3.2

3.35

V

EO Pin Output Voltage H

VEOH

EI=0.7V, IO=-80µA1.4

1.6

V

EO Pin Output Voltage L

VEOL

EI=1.3V, IO=80µA0.3

V

(Short-circuit Protection)

SPRT Pin Voltage (Normal)

VSPR

EI=1.3V

0

0.1

V

SPRT Pin Current 1 EO=H

ISPR1

EI=0.7V

6

10

16

µA

SPRT Pin Current 2 EO=L

ISPR2

EI=1.3V, OFF=0V

12

20

32

µA

SPRT Pin Current 3

(Over-voltage)

ISPR3

EI=1.3V, BATT=9.5V

12

20

32

µA

SPRT Pin Impedance

RSPR

175

220

265

k

Ω

SPRT Pin Threshold Voltage

VSPTH

EI=0.7, CT=0V

1.1

1.2

1.3

V

Over-voltage Protection Detect

VHVPR

BSEN Pin Voltage,

pin 7=1.3V, pin 12=3.2V

88.6

9

V

(Transistor Driving Section)

SW Pin Output Voltage 1 H

VSW1H

BATT=CT=1.5V, IO=-2mA,

VSYS1=VSYS2=0V, at start

0.78

0.98

1.13

V

SW Pin Output Voltage 2 H

VSW2H

CT=0V, IO=-10mA, EI=0.7V,

SPRT=0V

11.5

V

SW Pin Output Voltage 2 L

VSW2L

CT=2V, IO=10mA

0.3

0.45

V

SW Pin Oscillating Frequency 1

fSW1

CT=470pF, VSYS1=VSYS2=0, at start

65

80

95

kHz

SW Pin Oscillating Frequency 2

fSW2

CT=470pF, CLK=0V

60

70

82

kHz

Electrical Characteristics (Continued)

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