BD6380EFV-E2 datasheet, PDF - EEWORLD Datasheet

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BD6380EFV-E2: DescriptionMotor / Motion / Ignition Controllers & Drivers STEP MOTOR DRIVER 2.5-5.5V 0.8A; CategoryOther integrated circuit (IC) The signal circuit; File Size380KB，12 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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Motor / Motion / Ignition Controllers & Drivers STEP MOTOR DRIVER 2.5-5.5V 0.8A

BD6380EFV-E2 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	ROHM Semiconductor
Parts packaging code	TSSOP
package instruction	HVSSOP, TSSOP24,.3
Contacts	24
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	9 weeks
Analog Integrated Circuits - Other Types	STEPPER MOTOR CONTROLLER
JESD-30 code	R-PDSO-G24
JESD-609 code	e3
length	7.8 mm
Humidity sensitivity level	3
Number of functions	1
Number of terminals	24
Maximum operating temperature	75 °C
Minimum operating temperature	-25 °C
Maximum output current	0.8 A
Package body material	PLASTIC/EPOXY
encapsulated code	HVSSOP
Encapsulate equivalent code	TSSOP24,.3
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	3.3 V
Certification status	Not Qualified
Maximum seat height	1 mm
Maximum supply current (Isup)	3 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.5 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
technology	BIPOLAR
Temperature level	COMMERCIAL EXTENDED
Terminal surface	Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	5.6 mm

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Stepping Motor Drivers

Low Voltage

Stepping Motor Drivers

BD6380EFV, BD6381EFV

No.12009EAT01

●Description

This series can drive the bipolar stepping motor used for paper feed carriages. It is a low power consumption bipolar PWM

constant current-drive driver. It is suitable for the mobile devices of a battery drive by power save function. It contributes

also to reduction of mounting area by ultra-thin and high heat-radiation (exposed metal type) HTSSOP package.

●Feature

10)

11)

12)

13)

Low ON resistance DMOS output

PWM constant current control (self oscillation)

Built-in spike noise cancel function (external noise filter is unnecessary)

Power save function

Built-in logic input pull-down resistor

Power-on reset function

Thermal shutdown circuit (TSD)

Over current protection circuit (OCP)

Under voltage lock out circuit (UVLO)

Malfunction prevention at the time of no applied power supply (Ghost Supply Prevention)

Electrostatic discharge: 4kV (HBM specification)

Adjacent pins short protection

Microminiature, ultra-thin and high heat-radiation (exposed metal type) HTSSOP package

●Application

Mini printer, Handy printer, Monitoring camera, WEB camera, Scanner, Toy, and Robot etc.

●Absolute

maximum ratings(Ta=25℃)

Item

Supply voltage VCC

Supply voltage VM

Power dissipation

Input voltage for control pin

RNF maximum voltage

Maximum output current

Operating temperature range

Storage temperature range

Junction temperature

Symbol

RNF

OUT

opr

stg

jmax

BD6380EFV

-0.2½+7.0

-0.2½+15.0

1.1

※

4.0

※

-0.2½(V

+0.3)

0.5

0.8

※

-25½+75

-55½+150

150

BD6381EFV

-0.2½+7.0

-0.2½+15.0

1.1

※

4.0

※

-0.2½(V

+0.3)

0.5

1.2

※

-25½+75

-55½+150

150

Unit

A/ch

℃

※1

70mm×70mm×1.6mm glass epoxy board. Derating in done at 8.8mW/℃ for operating above Ta=25℃.

※2

4-layer recommended board. Derating in done at 32.0mW/℃ for operating above Ta=25℃.

※3

Do not exceed Pd, ASO and Tjmax=150℃.

www.rohm.com

1/8

2012.02 - Rev.A

BD6380EFV/BD6381EFV

●Points

to notice for terminal description

Technical Note

○PS／Power

save terminal

PS can make circuit standby state and make motor output OPEN. Please be careful because there is a delay of 40μ

s(max.) before it is returned from standby state to normal state and the motor output becomes ACTIVE at PS=L→H.

If you don't use power save mode, you may short PS terminal to VCC.

State

Standby state (RESET)

ACTIVE

○IN1A,IN1B,IN2A,IN2B／Logic

input terminal

These pins decide output state.

Input

Output

IN1A

IN1B

OUT1A

OUT1B

IN2A

IN2B

OUT2A

OUT2B

OPEN

Standby state (RESET)

Standby

Forward

Reverse

Brake

X: H or L

●Protection

Circuits

○Thermal

Shutdown (TSD)

This IC has a built-in thermal shutdown circuit for thermal protection. When the IC’s chip temperature rises above

175℃ (typ.), the motor output becomes OPEN. Also, when the temperature returns to under 150℃ (typ.), it

automatically returns to normal operation. However, even when TSD is in operation, if heat is continued to be added

externally, heat overdrive can lead to destruction.

○Over

current Protection (OCP)

This IC has a built in over current protection circuit as a provision against destruction when the motor outputs are

shorted each other or VCC-output or motor output-GND is shorted. This circuit latches the motor output to OPEN

condition when the regulated threshold current flows for 4μs (typ.). It returns with VCC power reactivation or a reset of

the PS terminal. The over current protection circuit’s only aim is to prevent the destruction of the IC from irregular

situations such as motor output shorts, and is not meant to be used as protection or security for the set. Therefore, sets

should not be designed to take into account this circuit’s functions. After OCP operating, if irregular situations continues

and the return by power reactivation or a reset of the PS terminal is carried out repeatly, then OCP operates repeatly

and the IC may generate heat or otherwise deteriorate. When the L value of the wiring is great due to the wiring being

long, after the over current has flowed and the output terminal voltage jumps up and the absolute maximum values

may be exceeded and as a result, there is a possibility of destruction. Also, when current which is over the output

current rating and under the OCP detection current flows, the IC can heat up to over Tjmax=150℃ and can deteriorate,

so current which exceeds the output rating should not be applied.

○Under

voltage lock out (UVLO)

This IC has a built-in under voltage lock out function to prevent false operation such as IC output during power supply

under voltage. When the applied voltage to the VCC terminal goes under 1.95V (typ.), the motor output is set to OPEN.

This switching voltage has a 0.25V (typ.) hysteresis to prevent false operation by noise etc. Please be aware that this

circuit does not operate during power save mode.

○False

operation prevention function in no power supply (Ghost Supply Prevention)

If a logic control signal is input when there is no power supplied to this IC, there is a function which prevents the false

operation by voltage supplied via the electrostatic destruction prevention diode from the logic control input terminal to

the VCC, to this IC or to another IC’s power supply. Therefore, there is no chance of malfunction of the circuit even

when voltage is supplied to the logic control input terminal while there is no power supply.

www.rohm.com

4/8

2012.02 - Rev.A

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